diff --git a/Makefile.certificate b/Makefile.certificate new file mode 100644 index 0000000000000000000000000000000000000000..cc88c52ea92720c52479a97fa0320f0e00febdfd --- /dev/null +++ b/Makefile.certificate @@ -0,0 +1,82 @@ +UTF8 := $(shell locale -c LC_CTYPE -k | grep -q charmap.*UTF-8 && echo -utf8) +DAYS=365 +KEYLEN=2048 +TYPE=rsa:$(KEYLEN) +EXTRA_FLAGS= +ifdef SERIAL + EXTRA_FLAGS+=-set_serial $(SERIAL) +endif + +.PHONY: usage +.SUFFIXES: .key .csr .crt .pem +.PRECIOUS: %.key %.csr %.crt %.pem + +usage: + @echo "This makefile allows you to create:" + @echo " o public/private key pairs" + @echo " o SSL certificate signing requests (CSRs)" + @echo " o self-signed SSL test certificates" + @echo + @echo "To create a key pair, run \"make SOMETHING.key\"." + @echo "To create a CSR, run \"make SOMETHING.csr\"." + @echo "To create a test certificate, run \"make SOMETHING.crt\"." + @echo "To create a key and a test certificate in one file, run \"make SOMETHING.pem\"." + @echo + @echo "To create a key for use with Apache, run \"make genkey\"." + @echo "To create a CSR for use with Apache, run \"make certreq\"." + @echo "To create a test certificate for use with Apache, run \"make testcert\"." + @echo + @echo "To create a test certificate with serial number other than random, add SERIAL=num" + @echo "You can also specify key length with KEYLEN=n and expiration in days with DAYS=n" + @echo "Any additional options can be passed to openssl req via EXTRA_FLAGS" + @echo + @echo Examples: + @echo " make server.key" + @echo " make server.csr" + @echo " make server.crt" + @echo " make stunnel.pem" + @echo " make genkey" + @echo " make certreq" + @echo " make testcert" + @echo " make server.crt SERIAL=1" + @echo " make stunnel.pem EXTRA_FLAGS=-sha384" + @echo " make testcert DAYS=600" + +%.pem: + umask 77 ; \ + PEM1=`/bin/mktemp /tmp/openssl.XXXXXX` ; \ + PEM2=`/bin/mktemp /tmp/openssl.XXXXXX` ; \ + /usr/bin/openssl req $(UTF8) -newkey $(TYPE) -keyout $$PEM1 -nodes -x509 -days $(DAYS) -out $$PEM2 $(EXTRA_FLAGS) ; \ + cat $$PEM1 > $@ ; \ + echo "" >> $@ ; \ + cat $$PEM2 >> $@ ; \ + $(RM) $$PEM1 $$PEM2 + +%.key: + umask 77 ; \ + /usr/bin/openssl genrsa -aes128 $(KEYLEN) > $@ + +%.csr: %.key + umask 77 ; \ + /usr/bin/openssl req $(UTF8) -new -key $^ -out $@ + +%.crt: %.key + umask 77 ; \ + /usr/bin/openssl req $(UTF8) -new -key $^ -x509 -days $(DAYS) -out $@ $(EXTRA_FLAGS) + +TLSROOT=/etc/pki/tls +KEY=$(TLSROOT)/private/localhost.key +CSR=$(TLSROOT)/certs/localhost.csr +CRT=$(TLSROOT)/certs/localhost.crt + +genkey: $(KEY) +certreq: $(CSR) +testcert: $(CRT) + +$(CSR): $(KEY) + umask 77 ; \ + /usr/bin/openssl req $(UTF8) -new -key $(KEY) -out $(CSR) + +$(CRT): $(KEY) + umask 77 ; \ + /usr/bin/openssl req $(UTF8) -new -key $(KEY) -x509 -days $(DAYS) -out $(CRT) $(EXTRA_FLAGS) diff --git a/configuration-prefix.h b/configuration-prefix.h new file mode 100644 index 0000000000000000000000000000000000000000..13b6e231d888d80a7b5625aa90beb68e1f172a78 --- /dev/null +++ b/configuration-prefix.h @@ -0,0 +1,7 @@ +/* Prepended at openssl package build-time. Don't include this file directly, + * use instead. */ + +#ifndef openssl_conf_multilib_redirection_h +#error "Don't include this file directly, use instead!" +#endif + diff --git a/configuration-switch.h b/configuration-switch.h new file mode 100644 index 0000000000000000000000000000000000000000..f3d855769858f58e945bdc0acceefaffd9784167 --- /dev/null +++ b/configuration-switch.h @@ -0,0 +1,18 @@ +/* This file is here to prevent a file conflict on multiarch systems. A + * conflict will frequently occur because arch-specific build-time + * configuration options are stored (and used, so they can't just be stripped + * out) in configuration.h. The original configuration.h has been renamed. + * DO NOT INCLUDE THE NEW FILE DIRECTLY -- ALWAYS INCLUDE THIS ONE INSTEAD. */ + +#ifdef openssl_conf_multilib_redirection_h +#error "Do not define openssl_conf_multilib_redirection_h!" +#endif +#define openssl_conf_multilib_redirection_h + +#if defined(__x86_64__) +#include "configuration-x86_64.h" +#else +#error "The openssl-devel package does not work your architecture?" +#endif + +#undef openssl_conf_multilib_redirection_h diff --git a/ec_curve.c b/ec_curve.c new file mode 100644 index 0000000000000000000000000000000000000000..64ac40bed40ce2e843fcc285fb0b6998b85d30fd --- /dev/null +++ b/ec_curve.c @@ -0,0 +1,628 @@ +/* + * Copyright 2002-2021 The OpenSSL Project Authors. All Rights Reserved. + * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* + * ECDSA low level APIs are deprecated for public use, but still ok for + * internal use. + */ +#include "internal/deprecated.h" + +#include +#include "ec_local.h" +#include +#include +#include +#include +#include "internal/nelem.h" + +typedef struct { + int field_type, /* either NID_X9_62_prime_field or + * NID_X9_62_characteristic_two_field */ + seed_len, param_len; + unsigned int cofactor; /* promoted to BN_ULONG */ +} EC_CURVE_DATA; + +/* the nist prime curves */ +static const struct { + EC_CURVE_DATA h; + unsigned char data[20 + 28 * 6]; +} _EC_NIST_PRIME_224 = { + { + NID_X9_62_prime_field, 20, 28, 1 + }, + { + /* seed */ + 0xBD, 0x71, 0x34, 0x47, 0x99, 0xD5, 0xC7, 0xFC, 0xDC, 0x45, 0xB5, 0x9F, + 0xA3, 0xB9, 0xAB, 0x8F, 0x6A, 0x94, 0x8B, 0xC5, + /* p */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x01, + /* a */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFE, + /* b */ + 0xB4, 0x05, 0x0A, 0x85, 0x0C, 0x04, 0xB3, 0xAB, 0xF5, 0x41, 0x32, 0x56, + 0x50, 0x44, 0xB0, 0xB7, 0xD7, 0xBF, 0xD8, 0xBA, 0x27, 0x0B, 0x39, 0x43, + 0x23, 0x55, 0xFF, 0xB4, + /* x */ + 0xB7, 0x0E, 0x0C, 0xBD, 0x6B, 0xB4, 0xBF, 0x7F, 0x32, 0x13, 0x90, 0xB9, + 0x4A, 0x03, 0xC1, 0xD3, 0x56, 0xC2, 0x11, 0x22, 0x34, 0x32, 0x80, 0xD6, + 0x11, 0x5C, 0x1D, 0x21, + /* y */ + 0xbd, 0x37, 0x63, 0x88, 0xb5, 0xf7, 0x23, 0xfb, 0x4c, 0x22, 0xdf, 0xe6, + 0xcd, 0x43, 0x75, 0xa0, 0x5a, 0x07, 0x47, 0x64, 0x44, 0xd5, 0x81, 0x99, + 0x85, 0x00, 0x7e, 0x34, + /* order */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0x16, 0xA2, 0xE0, 0xB8, 0xF0, 0x3E, 0x13, 0xDD, 0x29, 0x45, + 0x5C, 0x5C, 0x2A, 0x3D + } +}; + +static const struct { + EC_CURVE_DATA h; + unsigned char data[20 + 48 * 6]; +} _EC_NIST_PRIME_384 = { + { + NID_X9_62_prime_field, 20, 48, 1 + }, + { + /* seed */ + 0xA3, 0x35, 0x92, 0x6A, 0xA3, 0x19, 0xA2, 0x7A, 0x1D, 0x00, 0x89, 0x6A, + 0x67, 0x73, 0xA4, 0x82, 0x7A, 0xCD, 0xAC, 0x73, + /* p */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + /* a */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFC, + /* b */ + 0xB3, 0x31, 0x2F, 0xA7, 0xE2, 0x3E, 0xE7, 0xE4, 0x98, 0x8E, 0x05, 0x6B, + 0xE3, 0xF8, 0x2D, 0x19, 0x18, 0x1D, 0x9C, 0x6E, 0xFE, 0x81, 0x41, 0x12, + 0x03, 0x14, 0x08, 0x8F, 0x50, 0x13, 0x87, 0x5A, 0xC6, 0x56, 0x39, 0x8D, + 0x8A, 0x2E, 0xD1, 0x9D, 0x2A, 0x85, 0xC8, 0xED, 0xD3, 0xEC, 0x2A, 0xEF, + /* x */ + 0xAA, 0x87, 0xCA, 0x22, 0xBE, 0x8B, 0x05, 0x37, 0x8E, 0xB1, 0xC7, 0x1E, + 0xF3, 0x20, 0xAD, 0x74, 0x6E, 0x1D, 0x3B, 0x62, 0x8B, 0xA7, 0x9B, 0x98, + 0x59, 0xF7, 0x41, 0xE0, 0x82, 0x54, 0x2A, 0x38, 0x55, 0x02, 0xF2, 0x5D, + 0xBF, 0x55, 0x29, 0x6C, 0x3A, 0x54, 0x5E, 0x38, 0x72, 0x76, 0x0A, 0xB7, + /* y */ + 0x36, 0x17, 0xde, 0x4a, 0x96, 0x26, 0x2c, 0x6f, 0x5d, 0x9e, 0x98, 0xbf, + 0x92, 0x92, 0xdc, 0x29, 0xf8, 0xf4, 0x1d, 0xbd, 0x28, 0x9a, 0x14, 0x7c, + 0xe9, 0xda, 0x31, 0x13, 0xb5, 0xf0, 0xb8, 0xc0, 0x0a, 0x60, 0xb1, 0xce, + 0x1d, 0x7e, 0x81, 0x9d, 0x7a, 0x43, 0x1d, 0x7c, 0x90, 0xea, 0x0e, 0x5f, + /* order */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xC7, 0x63, 0x4D, 0x81, 0xF4, 0x37, 0x2D, 0xDF, 0x58, 0x1A, 0x0D, 0xB2, + 0x48, 0xB0, 0xA7, 0x7A, 0xEC, 0xEC, 0x19, 0x6A, 0xCC, 0xC5, 0x29, 0x73 + } +}; + +static const struct { + EC_CURVE_DATA h; + unsigned char data[20 + 66 * 6]; +} _EC_NIST_PRIME_521 = { + { + NID_X9_62_prime_field, 20, 66, 1 + }, + { + /* seed */ + 0xD0, 0x9E, 0x88, 0x00, 0x29, 0x1C, 0xB8, 0x53, 0x96, 0xCC, 0x67, 0x17, + 0x39, 0x32, 0x84, 0xAA, 0xA0, 0xDA, 0x64, 0xBA, + /* p */ + 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + /* a */ + 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, + /* b */ + 0x00, 0x51, 0x95, 0x3E, 0xB9, 0x61, 0x8E, 0x1C, 0x9A, 0x1F, 0x92, 0x9A, + 0x21, 0xA0, 0xB6, 0x85, 0x40, 0xEE, 0xA2, 0xDA, 0x72, 0x5B, 0x99, 0xB3, + 0x15, 0xF3, 0xB8, 0xB4, 0x89, 0x91, 0x8E, 0xF1, 0x09, 0xE1, 0x56, 0x19, + 0x39, 0x51, 0xEC, 0x7E, 0x93, 0x7B, 0x16, 0x52, 0xC0, 0xBD, 0x3B, 0xB1, + 0xBF, 0x07, 0x35, 0x73, 0xDF, 0x88, 0x3D, 0x2C, 0x34, 0xF1, 0xEF, 0x45, + 0x1F, 0xD4, 0x6B, 0x50, 0x3F, 0x00, + /* x */ + 0x00, 0xC6, 0x85, 0x8E, 0x06, 0xB7, 0x04, 0x04, 0xE9, 0xCD, 0x9E, 0x3E, + 0xCB, 0x66, 0x23, 0x95, 0xB4, 0x42, 0x9C, 0x64, 0x81, 0x39, 0x05, 0x3F, + 0xB5, 0x21, 0xF8, 0x28, 0xAF, 0x60, 0x6B, 0x4D, 0x3D, 0xBA, 0xA1, 0x4B, + 0x5E, 0x77, 0xEF, 0xE7, 0x59, 0x28, 0xFE, 0x1D, 0xC1, 0x27, 0xA2, 0xFF, + 0xA8, 0xDE, 0x33, 0x48, 0xB3, 0xC1, 0x85, 0x6A, 0x42, 0x9B, 0xF9, 0x7E, + 0x7E, 0x31, 0xC2, 0xE5, 0xBD, 0x66, + /* y */ + 0x01, 0x18, 0x39, 0x29, 0x6a, 0x78, 0x9a, 0x3b, 0xc0, 0x04, 0x5c, 0x8a, + 0x5f, 0xb4, 0x2c, 0x7d, 0x1b, 0xd9, 0x98, 0xf5, 0x44, 0x49, 0x57, 0x9b, + 0x44, 0x68, 0x17, 0xaf, 0xbd, 0x17, 0x27, 0x3e, 0x66, 0x2c, 0x97, 0xee, + 0x72, 0x99, 0x5e, 0xf4, 0x26, 0x40, 0xc5, 0x50, 0xb9, 0x01, 0x3f, 0xad, + 0x07, 0x61, 0x35, 0x3c, 0x70, 0x86, 0xa2, 0x72, 0xc2, 0x40, 0x88, 0xbe, + 0x94, 0x76, 0x9f, 0xd1, 0x66, 0x50, + /* order */ + 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFA, 0x51, 0x86, + 0x87, 0x83, 0xBF, 0x2F, 0x96, 0x6B, 0x7F, 0xCC, 0x01, 0x48, 0xF7, 0x09, + 0xA5, 0xD0, 0x3B, 0xB5, 0xC9, 0xB8, 0x89, 0x9C, 0x47, 0xAE, 0xBB, 0x6F, + 0xB7, 0x1E, 0x91, 0x38, 0x64, 0x09 + } +}; + +static const struct { + EC_CURVE_DATA h; + unsigned char data[20 + 32 * 6]; +} _EC_X9_62_PRIME_256V1 = { + { + NID_X9_62_prime_field, 20, 32, 1 + }, + { + /* seed */ + 0xC4, 0x9D, 0x36, 0x08, 0x86, 0xE7, 0x04, 0x93, 0x6A, 0x66, 0x78, 0xE1, + 0x13, 0x9D, 0x26, 0xB7, 0x81, 0x9F, 0x7E, 0x90, + /* p */ + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + /* a */ + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, + /* b */ + 0x5A, 0xC6, 0x35, 0xD8, 0xAA, 0x3A, 0x93, 0xE7, 0xB3, 0xEB, 0xBD, 0x55, + 0x76, 0x98, 0x86, 0xBC, 0x65, 0x1D, 0x06, 0xB0, 0xCC, 0x53, 0xB0, 0xF6, + 0x3B, 0xCE, 0x3C, 0x3E, 0x27, 0xD2, 0x60, 0x4B, + /* x */ + 0x6B, 0x17, 0xD1, 0xF2, 0xE1, 0x2C, 0x42, 0x47, 0xF8, 0xBC, 0xE6, 0xE5, + 0x63, 0xA4, 0x40, 0xF2, 0x77, 0x03, 0x7D, 0x81, 0x2D, 0xEB, 0x33, 0xA0, + 0xF4, 0xA1, 0x39, 0x45, 0xD8, 0x98, 0xC2, 0x96, + /* y */ + 0x4f, 0xe3, 0x42, 0xe2, 0xfe, 0x1a, 0x7f, 0x9b, 0x8e, 0xe7, 0xeb, 0x4a, + 0x7c, 0x0f, 0x9e, 0x16, 0x2b, 0xce, 0x33, 0x57, 0x6b, 0x31, 0x5e, 0xce, + 0xcb, 0xb6, 0x40, 0x68, 0x37, 0xbf, 0x51, 0xf5, + /* order */ + 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xBC, 0xE6, 0xFA, 0xAD, 0xA7, 0x17, 0x9E, 0x84, + 0xF3, 0xB9, 0xCA, 0xC2, 0xFC, 0x63, 0x25, 0x51 + } +}; + +static const struct { + EC_CURVE_DATA h; + unsigned char data[0 + 32 * 6]; +} _EC_SECG_PRIME_256K1 = { + { + NID_X9_62_prime_field, 0, 32, 1 + }, + { + /* no seed */ + /* p */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFC, 0x2F, + /* a */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* b */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, + /* x */ + 0x79, 0xBE, 0x66, 0x7E, 0xF9, 0xDC, 0xBB, 0xAC, 0x55, 0xA0, 0x62, 0x95, + 0xCE, 0x87, 0x0B, 0x07, 0x02, 0x9B, 0xFC, 0xDB, 0x2D, 0xCE, 0x28, 0xD9, + 0x59, 0xF2, 0x81, 0x5B, 0x16, 0xF8, 0x17, 0x98, + /* y */ + 0x48, 0x3a, 0xda, 0x77, 0x26, 0xa3, 0xc4, 0x65, 0x5d, 0xa4, 0xfb, 0xfc, + 0x0e, 0x11, 0x08, 0xa8, 0xfd, 0x17, 0xb4, 0x48, 0xa6, 0x85, 0x54, 0x19, + 0x9c, 0x47, 0xd0, 0x8f, 0xfb, 0x10, 0xd4, 0xb8, + /* order */ + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFE, 0xBA, 0xAE, 0xDC, 0xE6, 0xAF, 0x48, 0xA0, 0x3B, + 0xBF, 0xD2, 0x5E, 0x8C, 0xD0, 0x36, 0x41, 0x41 + } +}; + +typedef struct _ec_list_element_st { + int nid; + const EC_CURVE_DATA *data; + const EC_METHOD *(*meth) (void); + const char *comment; +} ec_list_element; + +#ifdef FIPS_MODULE +static const ec_list_element curve_list[] = { + /* prime field curves */ + /* secg curves */ + {NID_secp224r1, &_EC_NIST_PRIME_224.h, +# if !defined(OPENSSL_NO_EC_NISTP_64_GCC_128) + EC_GFp_nistp224_method, +# else + 0, +# endif + "NIST/SECG curve over a 224 bit prime field"}, + /* SECG secp256r1 is the same as X9.62 prime256v1 and hence omitted */ + {NID_secp384r1, &_EC_NIST_PRIME_384.h, +# if defined(S390X_EC_ASM) + EC_GFp_s390x_nistp384_method, +# else + 0, +# endif + "NIST/SECG curve over a 384 bit prime field"}, + + {NID_secp521r1, &_EC_NIST_PRIME_521.h, +# if defined(S390X_EC_ASM) + EC_GFp_s390x_nistp521_method, +# elif !defined(OPENSSL_NO_EC_NISTP_64_GCC_128) + EC_GFp_nistp521_method, +# else + 0, +# endif + "NIST/SECG curve over a 521 bit prime field"}, + + /* X9.62 curves */ + {NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h, +# if defined(ECP_NISTZ256_ASM) + EC_GFp_nistz256_method, +# elif defined(S390X_EC_ASM) + EC_GFp_s390x_nistp256_method, +# elif !defined(OPENSSL_NO_EC_NISTP_64_GCC_128) + EC_GFp_nistp256_method, +# else + 0, +# endif + "X9.62/SECG curve over a 256 bit prime field"}, +}; + +#else + +static const ec_list_element curve_list[] = { + /* prime field curves */ + /* secg curves */ +# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 + {NID_secp224r1, &_EC_NIST_PRIME_224.h, EC_GFp_nistp224_method, + "NIST/SECG curve over a 224 bit prime field"}, +# else + {NID_secp224r1, &_EC_NIST_PRIME_224.h, 0, + "NIST/SECG curve over a 224 bit prime field"}, +# endif + {NID_secp256k1, &_EC_SECG_PRIME_256K1.h, 0, + "SECG curve over a 256 bit prime field"}, + /* SECG secp256r1 is the same as X9.62 prime256v1 and hence omitted */ + {NID_secp384r1, &_EC_NIST_PRIME_384.h, +# if defined(S390X_EC_ASM) + EC_GFp_s390x_nistp384_method, +# else + 0, +# endif + "NIST/SECG curve over a 384 bit prime field"}, + {NID_secp521r1, &_EC_NIST_PRIME_521.h, +# if defined(S390X_EC_ASM) + EC_GFp_s390x_nistp521_method, +# elif !defined(OPENSSL_NO_EC_NISTP_64_GCC_128) + EC_GFp_nistp521_method, +# else + 0, +# endif + "NIST/SECG curve over a 521 bit prime field"}, + /* X9.62 curves */ + {NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h, +# if defined(ECP_NISTZ256_ASM) + EC_GFp_nistz256_method, +# elif defined(S390X_EC_ASM) + EC_GFp_s390x_nistp256_method, +# elif !defined(OPENSSL_NO_EC_NISTP_64_GCC_128) + EC_GFp_nistp256_method, +# else + 0, +# endif + "X9.62/SECG curve over a 256 bit prime field"}, +}; +#endif /* FIPS_MODULE */ + +#define curve_list_length OSSL_NELEM(curve_list) + +static const ec_list_element *ec_curve_nid2curve(int nid) +{ + size_t i; + + if (nid <= 0) + return NULL; + + for (i = 0; i < curve_list_length; i++) { + if (curve_list[i].nid == nid) + return &curve_list[i]; + } + return NULL; +} + +static EC_GROUP *ec_group_new_from_data(OSSL_LIB_CTX *libctx, + const char *propq, + const ec_list_element curve) +{ + EC_GROUP *group = NULL; + EC_POINT *P = NULL; + BN_CTX *ctx = NULL; + BIGNUM *p = NULL, *a = NULL, *b = NULL, *x = NULL, *y = NULL, *order = + NULL; + int ok = 0; + int seed_len, param_len; + const EC_METHOD *meth; + const EC_CURVE_DATA *data; + const unsigned char *params; + + /* If no curve data curve method must handle everything */ + if (curve.data == NULL) + return ossl_ec_group_new_ex(libctx, propq, + curve.meth != NULL ? curve.meth() : NULL); + + if ((ctx = BN_CTX_new_ex(libctx)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_MALLOC_FAILURE); + goto err; + } + + data = curve.data; + seed_len = data->seed_len; + param_len = data->param_len; + params = (const unsigned char *)(data + 1); /* skip header */ + params += seed_len; /* skip seed */ + + if ((p = BN_bin2bn(params + 0 * param_len, param_len, NULL)) == NULL + || (a = BN_bin2bn(params + 1 * param_len, param_len, NULL)) == NULL + || (b = BN_bin2bn(params + 2 * param_len, param_len, NULL)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_BN_LIB); + goto err; + } + + if (curve.meth != 0) { + meth = curve.meth(); + if (((group = ossl_ec_group_new_ex(libctx, propq, meth)) == NULL) || + (!(group->meth->group_set_curve(group, p, a, b, ctx)))) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + } else if (data->field_type == NID_X9_62_prime_field) { + if ((group = EC_GROUP_new_curve_GFp(p, a, b, ctx)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + } +#ifndef OPENSSL_NO_EC2M + else { /* field_type == + * NID_X9_62_characteristic_two_field */ + + if ((group = EC_GROUP_new_curve_GF2m(p, a, b, ctx)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + } +#endif + + EC_GROUP_set_curve_name(group, curve.nid); + + if ((P = EC_POINT_new(group)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + + if ((x = BN_bin2bn(params + 3 * param_len, param_len, NULL)) == NULL + || (y = BN_bin2bn(params + 4 * param_len, param_len, NULL)) == NULL) { + ERR_raise(ERR_LIB_EC, ERR_R_BN_LIB); + goto err; + } + if (!EC_POINT_set_affine_coordinates(group, P, x, y, ctx)) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + if ((order = BN_bin2bn(params + 5 * param_len, param_len, NULL)) == NULL + || !BN_set_word(x, (BN_ULONG)data->cofactor)) { + ERR_raise(ERR_LIB_EC, ERR_R_BN_LIB); + goto err; + } + if (!EC_GROUP_set_generator(group, P, order, x)) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + if (seed_len) { + if (!EC_GROUP_set_seed(group, params - seed_len, seed_len)) { + ERR_raise(ERR_LIB_EC, ERR_R_EC_LIB); + goto err; + } + } + ok = 1; + err: + if (!ok) { + EC_GROUP_free(group); + group = NULL; + } + EC_POINT_free(P); + BN_CTX_free(ctx); + BN_free(p); + BN_free(a); + BN_free(b); + BN_free(order); + BN_free(x); + BN_free(y); + return group; +} + +EC_GROUP *EC_GROUP_new_by_curve_name_ex(OSSL_LIB_CTX *libctx, const char *propq, + int nid) +{ + EC_GROUP *ret = NULL; + const ec_list_element *curve; + + if ((curve = ec_curve_nid2curve(nid)) == NULL + || (ret = ec_group_new_from_data(libctx, propq, *curve)) == NULL) { +#ifndef FIPS_MODULE + ERR_raise_data(ERR_LIB_EC, EC_R_UNKNOWN_GROUP, + "name=%s", OBJ_nid2sn(nid)); +#else + ERR_raise(ERR_LIB_EC, EC_R_UNKNOWN_GROUP); +#endif + return NULL; + } + + return ret; +} + +#ifndef FIPS_MODULE +EC_GROUP *EC_GROUP_new_by_curve_name(int nid) +{ + return EC_GROUP_new_by_curve_name_ex(NULL, NULL, nid); +} +#endif + +size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems) +{ + size_t i, min; + + if (r == NULL || nitems == 0) + return curve_list_length; + + min = nitems < curve_list_length ? nitems : curve_list_length; + + for (i = 0; i < min; i++) { + r[i].nid = curve_list[i].nid; + r[i].comment = curve_list[i].comment; + } + + return curve_list_length; +} + +const char *EC_curve_nid2nist(int nid) +{ + return ossl_ec_curve_nid2nist_int(nid); +} + +int EC_curve_nist2nid(const char *name) +{ + return ossl_ec_curve_nist2nid_int(name); +} + +#define NUM_BN_FIELDS 6 +/* + * Validates EC domain parameter data for known named curves. + * This can be used when a curve is loaded explicitly (without a curve + * name) or to validate that domain parameters have not been modified. + * + * Returns: The nid associated with the found named curve, or NID_undef + * if not found. If there was an error it returns -1. + */ +int ossl_ec_curve_nid_from_params(const EC_GROUP *group, BN_CTX *ctx) +{ + int ret = -1, nid, len, field_type, param_len; + size_t i, seed_len; + const unsigned char *seed, *params_seed, *params; + unsigned char *param_bytes = NULL; + const EC_CURVE_DATA *data; + const EC_POINT *generator = NULL; + const BIGNUM *cofactor = NULL; + /* An array of BIGNUMs for (p, a, b, x, y, order) */ + BIGNUM *bn[NUM_BN_FIELDS] = {NULL, NULL, NULL, NULL, NULL, NULL}; + + /* Use the optional named curve nid as a search field */ + nid = EC_GROUP_get_curve_name(group); + field_type = EC_GROUP_get_field_type(group); + seed_len = EC_GROUP_get_seed_len(group); + seed = EC_GROUP_get0_seed(group); + cofactor = EC_GROUP_get0_cofactor(group); + + BN_CTX_start(ctx); + + /* + * The built-in curves contains data fields (p, a, b, x, y, order) that are + * all zero-padded to be the same size. The size of the padding is + * determined by either the number of bytes in the field modulus (p) or the + * EC group order, whichever is larger. + */ + param_len = BN_num_bytes(group->order); + len = BN_num_bytes(group->field); + if (len > param_len) + param_len = len; + + /* Allocate space to store the padded data for (p, a, b, x, y, order) */ + param_bytes = OPENSSL_malloc(param_len * NUM_BN_FIELDS); + if (param_bytes == NULL) + goto end; + + /* Create the bignums */ + for (i = 0; i < NUM_BN_FIELDS; ++i) { + if ((bn[i] = BN_CTX_get(ctx)) == NULL) + goto end; + } + /* + * Fill in the bn array with the same values as the internal curves + * i.e. the values are p, a, b, x, y, order. + */ + /* Get p, a & b */ + if (!(EC_GROUP_get_curve(group, bn[0], bn[1], bn[2], ctx) + && ((generator = EC_GROUP_get0_generator(group)) != NULL) + /* Get x & y */ + && EC_POINT_get_affine_coordinates(group, generator, bn[3], bn[4], ctx) + /* Get order */ + && EC_GROUP_get_order(group, bn[5], ctx))) + goto end; + + /* + * Convert the bignum array to bytes that are joined together to form + * a single buffer that contains data for all fields. + * (p, a, b, x, y, order) are all zero padded to be the same size. + */ + for (i = 0; i < NUM_BN_FIELDS; ++i) { + if (BN_bn2binpad(bn[i], ¶m_bytes[i*param_len], param_len) <= 0) + goto end; + } + + for (i = 0; i < curve_list_length; i++) { + const ec_list_element curve = curve_list[i]; + + data = curve.data; + /* Get the raw order byte data */ + params_seed = (const unsigned char *)(data + 1); /* skip header */ + params = params_seed + data->seed_len; + + /* Look for unique fields in the fixed curve data */ + if (data->field_type == field_type + && param_len == data->param_len + && (nid <= 0 || nid == curve.nid) + /* check the optional cofactor (ignore if its zero) */ + && (BN_is_zero(cofactor) + || BN_is_word(cofactor, (const BN_ULONG)curve.data->cofactor)) + /* Check the optional seed (ignore if its not set) */ + && (data->seed_len == 0 || seed_len == 0 + || ((size_t)data->seed_len == seed_len + && memcmp(params_seed, seed, seed_len) == 0)) + /* Check that the groups params match the built-in curve params */ + && memcmp(param_bytes, params, param_len * NUM_BN_FIELDS) + == 0) { + ret = curve.nid; + goto end; + } + } + /* Gets here if the group was not found */ + ret = NID_undef; +end: + OPENSSL_free(param_bytes); + BN_CTX_end(ctx); + return ret; +} diff --git a/ectest.c b/ectest.c new file mode 100644 index 0000000000000000000000000000000000000000..2ba662fdc8197a64023137f62a72e8d258a5f1cc --- /dev/null +++ b/ectest.c @@ -0,0 +1,2311 @@ +/* + * Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved. + * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* + * EC_KEY low level APIs are deprecated for public use, but still ok for + * internal use. + */ +#include "internal/deprecated.h" + +#include +#include "internal/nelem.h" +#include "testutil.h" + +#include +#ifndef OPENSSL_NO_ENGINE +# include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static size_t crv_len = 0; +static EC_builtin_curve *curves = NULL; + +/* test multiplication with group order, long and negative scalars */ +static int group_order_tests(EC_GROUP *group) +{ + BIGNUM *n1 = NULL, *n2 = NULL, *order = NULL; + EC_POINT *P = NULL, *Q = NULL, *R = NULL, *S = NULL; + const EC_POINT *G = NULL; + BN_CTX *ctx = NULL; + int i = 0, r = 0; + + if (!TEST_ptr(n1 = BN_new()) + || !TEST_ptr(n2 = BN_new()) + || !TEST_ptr(order = BN_new()) + || !TEST_ptr(ctx = BN_CTX_new()) + || !TEST_ptr(G = EC_GROUP_get0_generator(group)) + || !TEST_ptr(P = EC_POINT_new(group)) + || !TEST_ptr(Q = EC_POINT_new(group)) + || !TEST_ptr(R = EC_POINT_new(group)) + || !TEST_ptr(S = EC_POINT_new(group))) + goto err; + + if (!TEST_true(EC_GROUP_get_order(group, order, ctx)) + || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, Q)) +#ifndef OPENSSL_NO_DEPRECATED_3_0 + || !TEST_true(EC_GROUP_precompute_mult(group, ctx)) +#endif + || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, Q)) + || !TEST_true(EC_POINT_copy(P, G)) + || !TEST_true(BN_one(n1)) + || !TEST_true(EC_POINT_mul(group, Q, n1, NULL, NULL, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)) + || !TEST_true(BN_sub(n1, order, n1)) + || !TEST_true(EC_POINT_mul(group, Q, n1, NULL, NULL, ctx)) + || !TEST_true(EC_POINT_invert(group, Q, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))) + goto err; + + for (i = 1; i <= 2; i++) { +#ifndef OPENSSL_NO_DEPRECATED_3_0 + const BIGNUM *scalars[6]; + const EC_POINT *points[6]; +#endif + + if (!TEST_true(BN_set_word(n1, i)) + /* + * If i == 1, P will be the predefined generator for which + * EC_GROUP_precompute_mult has set up precomputation. + */ + || !TEST_true(EC_POINT_mul(group, P, n1, NULL, NULL, ctx)) + || (i == 1 && !TEST_int_eq(0, EC_POINT_cmp(group, P, G, ctx))) + || !TEST_true(BN_one(n1)) + /* n1 = 1 - order */ + || !TEST_true(BN_sub(n1, n1, order)) + || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n1, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)) + + /* n2 = 1 + order */ + || !TEST_true(BN_add(n2, order, BN_value_one())) + || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)) + + /* n2 = (1 - order) * (1 + order) = 1 - order^2 */ + || !TEST_true(BN_mul(n2, n1, n2, ctx)) + || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))) + goto err; + + /* n2 = order^2 - 1 */ + BN_set_negative(n2, 0); + if (!TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx)) + /* Add P to verify the result. */ + || !TEST_true(EC_POINT_add(group, Q, Q, P, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, Q)) + || !TEST_false(EC_POINT_is_at_infinity(group, P))) + goto err; + +#ifndef OPENSSL_NO_DEPRECATED_3_0 + /* Exercise EC_POINTs_mul, including corner cases. */ + scalars[0] = scalars[1] = BN_value_one(); + points[0] = points[1] = P; + + if (!TEST_true(EC_POINTs_mul(group, R, NULL, 2, points, scalars, ctx)) + || !TEST_true(EC_POINT_dbl(group, S, points[0], ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, R, S, ctx))) + goto err; + + scalars[0] = n1; + points[0] = Q; /* => infinity */ + scalars[1] = n2; + points[1] = P; /* => -P */ + scalars[2] = n1; + points[2] = Q; /* => infinity */ + scalars[3] = n2; + points[3] = Q; /* => infinity */ + scalars[4] = n1; + points[4] = P; /* => P */ + scalars[5] = n2; + points[5] = Q; /* => infinity */ + if (!TEST_true(EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, P))) + goto err; +#endif + } + + r = 1; +err: + if (r == 0 && i != 0) + TEST_info(i == 1 ? "allowing precomputation" : + "without precomputation"); + EC_POINT_free(P); + EC_POINT_free(Q); + EC_POINT_free(R); + EC_POINT_free(S); + BN_free(n1); + BN_free(n2); + BN_free(order); + BN_CTX_free(ctx); + return r; +} + +static int prime_field_tests(void) +{ + BN_CTX *ctx = NULL; + BIGNUM *p = NULL, *a = NULL, *b = NULL, *scalar3 = NULL; + EC_GROUP *group = NULL; + EC_POINT *P = NULL, *Q = NULL, *R = NULL; + BIGNUM *x = NULL, *y = NULL, *z = NULL, *yplusone = NULL; +#ifndef OPENSSL_NO_DEPRECATED_3_0 + const EC_POINT *points[4]; + const BIGNUM *scalars[4]; +#endif + unsigned char buf[100]; + size_t len, r = 0; + int k; + + if (!TEST_ptr(ctx = BN_CTX_new()) + || !TEST_ptr(p = BN_new()) + || !TEST_ptr(a = BN_new()) + || !TEST_ptr(b = BN_new()) + /* + * applications should use EC_GROUP_new_curve_GFp so + * that the library gets to choose the EC_METHOD + */ + || !TEST_ptr(group = EC_GROUP_new(EC_GFp_mont_method()))) + goto err; + + buf[0] = 0; + if (!TEST_ptr(P = EC_POINT_new(group)) + || !TEST_ptr(Q = EC_POINT_new(group)) + || !TEST_ptr(R = EC_POINT_new(group)) + || !TEST_ptr(x = BN_new()) + || !TEST_ptr(y = BN_new()) + || !TEST_ptr(z = BN_new()) + || !TEST_ptr(yplusone = BN_new())) + goto err; + + /* Curve P-224 (FIPS PUB 186-2, App. 6) */ + + if (!TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFF000000000000000000000001")) + || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL)) + || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE")) + || !TEST_true(BN_hex2bn(&b, "B4050A850C04B3ABF5413256" + "5044B0B7D7BFD8BA270B39432355FFB4")) + || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx)) + || !TEST_true(BN_hex2bn(&x, "B70E0CBD6BB4BF7F321390B9" + "4A03C1D356C21122343280D6115C1D21")) + || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 0, ctx)) + || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0) + || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF" + "FFFF16A2E0B8F03E13DD29455C5C2A3D")) + || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one())) + || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx))) + goto err; + + TEST_info("NIST curve P-224 -- Generator"); + test_output_bignum("x", x); + test_output_bignum("y", y); + /* G_y value taken from the standard: */ + if (!TEST_true(BN_hex2bn(&z, "BD376388B5F723FB4C22DFE6" + "CD4375A05A07476444D5819985007E34")) + || !TEST_BN_eq(y, z) + || !TEST_true(BN_add(yplusone, y, BN_value_one())) + /* + * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, + * and therefore setting the coordinates should fail. + */ + || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, + ctx)) + || !TEST_int_eq(EC_GROUP_get_degree(group), 224) + || !group_order_tests(group) + + /* Curve P-256 (FIPS PUB 186-2, App. 6) */ + + || !TEST_true(BN_hex2bn(&p, "FFFFFFFF000000010000000000000000" + "00000000FFFFFFFFFFFFFFFFFFFFFFFF")) + || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL)) + || !TEST_true(BN_hex2bn(&a, "FFFFFFFF000000010000000000000000" + "00000000FFFFFFFFFFFFFFFFFFFFFFFC")) + || !TEST_true(BN_hex2bn(&b, "5AC635D8AA3A93E7B3EBBD55769886BC" + "651D06B0CC53B0F63BCE3C3E27D2604B")) + || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx)) + + || !TEST_true(BN_hex2bn(&x, "6B17D1F2E12C4247F8BCE6E563A440F2" + "77037D812DEB33A0F4A13945D898C296")) + || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 1, ctx)) + || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0) + || !TEST_true(BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFF" + "BCE6FAADA7179E84F3B9CAC2FC632551")) + || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one())) + || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx))) + goto err; + + TEST_info("NIST curve P-256 -- Generator"); + test_output_bignum("x", x); + test_output_bignum("y", y); + /* G_y value taken from the standard: */ + if (!TEST_true(BN_hex2bn(&z, "4FE342E2FE1A7F9B8EE7EB4A7C0F9E16" + "2BCE33576B315ECECBB6406837BF51F5")) + || !TEST_BN_eq(y, z) + || !TEST_true(BN_add(yplusone, y, BN_value_one())) + /* + * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, + * and therefore setting the coordinates should fail. + */ + || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, + ctx)) + || !TEST_int_eq(EC_GROUP_get_degree(group), 256) + || !group_order_tests(group) + + /* Curve P-384 (FIPS PUB 186-2, App. 6) */ + + || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" + "FFFFFFFF0000000000000000FFFFFFFF")) + || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL)) + || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE" + "FFFFFFFF0000000000000000FFFFFFFC")) + || !TEST_true(BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19" + "181D9C6EFE8141120314088F5013875A" + "C656398D8A2ED19D2A85C8EDD3EC2AEF")) + || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx)) + + || !TEST_true(BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD74" + "6E1D3B628BA79B9859F741E082542A38" + "5502F25DBF55296C3A545E3872760AB7")) + || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 1, ctx)) + || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0) + || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFC7634D81F4372DDF" + "581A0DB248B0A77AECEC196ACCC52973")) + || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one())) + || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx))) + goto err; + + TEST_info("NIST curve P-384 -- Generator"); + test_output_bignum("x", x); + test_output_bignum("y", y); + /* G_y value taken from the standard: */ + if (!TEST_true(BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29" + "F8F41DBD289A147CE9DA3113B5F0B8C0" + "0A60B1CE1D7E819D7A431D7C90EA0E5F")) + || !TEST_BN_eq(y, z) + || !TEST_true(BN_add(yplusone, y, BN_value_one())) + /* + * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, + * and therefore setting the coordinates should fail. + */ + || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, + ctx)) + || !TEST_int_eq(EC_GROUP_get_degree(group), 384) + || !group_order_tests(group) + + /* Curve P-521 (FIPS PUB 186-2, App. 6) */ + || !TEST_true(BN_hex2bn(&p, "1FF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF")) + || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL)) + || !TEST_true(BN_hex2bn(&a, "1FF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC")) + || !TEST_true(BN_hex2bn(&b, "051" + "953EB9618E1C9A1F929A21A0B68540EE" + "A2DA725B99B315F3B8B489918EF109E1" + "56193951EC7E937B1652C0BD3BB1BF07" + "3573DF883D2C34F1EF451FD46B503F00")) + || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx)) + || !TEST_true(BN_hex2bn(&x, "C6" + "858E06B70404E9CD9E3ECB662395B442" + "9C648139053FB521F828AF606B4D3DBA" + "A14B5E77EFE75928FE1DC127A2FFA8DE" + "3348B3C1856A429BF97E7E31C2E5BD66")) + || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 0, ctx)) + || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0) + || !TEST_true(BN_hex2bn(&z, "1FF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA" + "51868783BF2F966B7FCC0148F709A5D0" + "3BB5C9B8899C47AEBB6FB71E91386409")) + || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one())) + || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx))) + goto err; + + TEST_info("NIST curve P-521 -- Generator"); + test_output_bignum("x", x); + test_output_bignum("y", y); + /* G_y value taken from the standard: */ + if (!TEST_true(BN_hex2bn(&z, "118" + "39296A789A3BC0045C8A5FB42C7D1BD9" + "98F54449579B446817AFBD17273E662C" + "97EE72995EF42640C550B9013FAD0761" + "353C7086A272C24088BE94769FD16650")) + || !TEST_BN_eq(y, z) + || !TEST_true(BN_add(yplusone, y, BN_value_one())) + /* + * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, + * and therefore setting the coordinates should fail. + */ + || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, + ctx)) + || !TEST_int_eq(EC_GROUP_get_degree(group), 521) + || !group_order_tests(group) + + /* more tests using the last curve */ + + /* Restore the point that got mangled in the (x, y + 1) test. */ + || !TEST_true(EC_POINT_set_affine_coordinates(group, P, x, y, ctx)) + || !TEST_true(EC_POINT_copy(Q, P)) + || !TEST_false(EC_POINT_is_at_infinity(group, Q)) + || !TEST_true(EC_POINT_dbl(group, P, P, ctx)) + || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0) + || !TEST_true(EC_POINT_invert(group, Q, ctx)) /* P = -2Q */ + || !TEST_true(EC_POINT_add(group, R, P, Q, ctx)) + || !TEST_true(EC_POINT_add(group, R, R, Q, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, R)) /* R = P + 2Q */ + || !TEST_false(EC_POINT_is_at_infinity(group, Q))) + goto err; + +#ifndef OPENSSL_NO_DEPRECATED_3_0 + TEST_note("combined multiplication ..."); + points[0] = Q; + points[1] = Q; + points[2] = Q; + points[3] = Q; + + if (!TEST_true(EC_GROUP_get_order(group, z, ctx)) + || !TEST_true(BN_add(y, z, BN_value_one())) + || !TEST_BN_even(y) + || !TEST_true(BN_rshift1(y, y))) + goto err; + + scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */ + scalars[1] = y; + + /* z is still the group order */ + if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) + || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx)) + || !TEST_true(BN_rand(y, BN_num_bits(y), 0, 0)) + || !TEST_true(BN_add(z, z, y))) + goto err; + BN_set_negative(z, 1); + scalars[0] = y; + scalars[1] = z; /* z = -(order + y) */ + + if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, P)) + || !TEST_true(BN_rand(x, BN_num_bits(y) - 1, 0, 0)) + || !TEST_true(BN_add(z, x, y))) + goto err; + BN_set_negative(z, 1); + scalars[0] = x; + scalars[1] = y; + scalars[2] = z; /* z = -(x+y) */ + + if (!TEST_ptr(scalar3 = BN_new())) + goto err; + BN_zero(scalar3); + scalars[3] = scalar3; + + if (!TEST_true(EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx)) + || !TEST_true(EC_POINT_is_at_infinity(group, P))) + goto err; +#endif + TEST_note(" ok\n"); + r = 1; +err: + BN_CTX_free(ctx); + BN_free(p); + BN_free(a); + BN_free(b); + EC_GROUP_free(group); + EC_POINT_free(P); + EC_POINT_free(Q); + EC_POINT_free(R); + BN_free(x); + BN_free(y); + BN_free(z); + BN_free(yplusone); + BN_free(scalar3); + return r; +} + +static int internal_curve_test(int n) +{ + EC_GROUP *group = NULL; + int nid = curves[n].nid; + + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) { + TEST_info("EC_GROUP_new_curve_name() failed with curve %s\n", + OBJ_nid2sn(nid)); + return 0; + } + if (!TEST_true(EC_GROUP_check(group, NULL))) { + TEST_info("EC_GROUP_check() failed with curve %s\n", OBJ_nid2sn(nid)); + EC_GROUP_free(group); + return 0; + } + EC_GROUP_free(group); + return 1; +} + +static int internal_curve_test_method(int n) +{ + int r, nid = curves[n].nid; + EC_GROUP *group; + + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) { + TEST_info("Curve %s failed\n", OBJ_nid2sn(nid)); + return 0; + } + r = group_order_tests(group); + EC_GROUP_free(group); + return r; +} + +static int group_field_test(void) +{ + int r = 1; + BIGNUM *secp521r1_field = NULL; + BIGNUM *sect163r2_field = NULL; + EC_GROUP *secp521r1_group = NULL; + EC_GROUP *sect163r2_group = NULL; + + BN_hex2bn(&secp521r1_field, + "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF" + "FFFF"); + + + BN_hex2bn(§163r2_field, + "08000000000000000000000000000000" + "00000000C9"); + + secp521r1_group = EC_GROUP_new_by_curve_name(NID_secp521r1); + if (BN_cmp(secp521r1_field, EC_GROUP_get0_field(secp521r1_group))) + r = 0; + + # ifndef OPENSSL_NO_EC2M + sect163r2_group = EC_GROUP_new_by_curve_name(NID_sect163r2); + if (BN_cmp(sect163r2_field, EC_GROUP_get0_field(sect163r2_group))) + r = 0; + # endif + + EC_GROUP_free(secp521r1_group); + EC_GROUP_free(sect163r2_group); + BN_free(secp521r1_field); + BN_free(sect163r2_field); + return r; +} +/* + * nistp_test_params contains magic numbers for testing + * several NIST curves with characteristic > 3. + */ +struct nistp_test_params { + const int nid; + int degree; + /* + * Qx, Qy and D are taken from + * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/ECDSA_Prime.pdf + * Otherwise, values are standard curve parameters from FIPS 180-3 + */ + const char *p, *a, *b, *Qx, *Qy, *Gx, *Gy, *order, *d; +}; + +static const struct nistp_test_params nistp_tests_params[] = { + { + /* P-224 */ + NID_secp224r1, + 224, + /* p */ + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", + /* a */ + "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", + /* b */ + "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", + /* Qx */ + "E84FB0B8E7000CB657D7973CF6B42ED78B301674276DF744AF130B3E", + /* Qy */ + "4376675C6FC5612C21A0FF2D2A89D2987DF7A2BC52183B5982298555", + /* Gx */ + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21", + /* Gy */ + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", + /* order */ + "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", + /* d */ + "3F0C488E987C80BE0FEE521F8D90BE6034EC69AE11CA72AA777481E8", + }, + { + /* P-256 */ + NID_X9_62_prime256v1, + 256, + /* p */ + "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", + /* a */ + "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", + /* b */ + "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", + /* Qx */ + "b7e08afdfe94bad3f1dc8c734798ba1c62b3a0ad1e9ea2a38201cd0889bc7a19", + /* Qy */ + "3603f747959dbf7a4bb226e41928729063adc7ae43529e61b563bbc606cc5e09", + /* Gx */ + "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", + /* Gy */ + "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", + /* order */ + "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", + /* d */ + "c477f9f65c22cce20657faa5b2d1d8122336f851a508a1ed04e479c34985bf96", + }, + { + /* P-521 */ + NID_secp521r1, + 521, + /* p */ + "1ff" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", + /* a */ + "1ff" + "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" + "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", + /* b */ + "051" + "953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e1" + "56193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", + /* Qx */ + "0098" + "e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e" + "59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4", + /* Qy */ + "0164" + "350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8" + "554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e", + /* Gx */ + "c6" + "858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dba" + "a14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", + /* Gy */ + "118" + "39296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c" + "97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", + /* order */ + "1ff" + "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa" + "51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", + /* d */ + "0100" + "085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eee" + "df09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722", + }, +}; + +static int nistp_single_test(int idx) +{ + const struct nistp_test_params *test = nistp_tests_params + idx; + BN_CTX *ctx = NULL; + BIGNUM *p = NULL, *a = NULL, *b = NULL, *x = NULL, *y = NULL; + BIGNUM *n = NULL, *m = NULL, *order = NULL, *yplusone = NULL; + EC_GROUP *NISTP = NULL; + EC_POINT *G = NULL, *P = NULL, *Q = NULL, *Q_CHECK = NULL; + int r = 0; + + TEST_note("NIST curve P-%d (optimised implementation):", + test->degree); + if (!TEST_ptr(ctx = BN_CTX_new()) + || !TEST_ptr(p = BN_new()) + || !TEST_ptr(a = BN_new()) + || !TEST_ptr(b = BN_new()) + || !TEST_ptr(x = BN_new()) + || !TEST_ptr(y = BN_new()) + || !TEST_ptr(m = BN_new()) + || !TEST_ptr(n = BN_new()) + || !TEST_ptr(order = BN_new()) + || !TEST_ptr(yplusone = BN_new()) + + || !TEST_ptr(NISTP = EC_GROUP_new_by_curve_name(test->nid)) + || !TEST_true(BN_hex2bn(&p, test->p)) + || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL)) + || !TEST_true(BN_hex2bn(&a, test->a)) + || !TEST_true(BN_hex2bn(&b, test->b)) + || !TEST_true(EC_GROUP_set_curve(NISTP, p, a, b, ctx)) + || !TEST_ptr(G = EC_POINT_new(NISTP)) + || !TEST_ptr(P = EC_POINT_new(NISTP)) + || !TEST_ptr(Q = EC_POINT_new(NISTP)) + || !TEST_ptr(Q_CHECK = EC_POINT_new(NISTP)) + || !TEST_true(BN_hex2bn(&x, test->Qx)) + || !TEST_true(BN_hex2bn(&y, test->Qy)) + || !TEST_true(BN_add(yplusone, y, BN_value_one())) + /* + * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, + * and therefore setting the coordinates should fail. + */ + || !TEST_false(EC_POINT_set_affine_coordinates(NISTP, Q_CHECK, x, + yplusone, ctx)) + || !TEST_true(EC_POINT_set_affine_coordinates(NISTP, Q_CHECK, x, y, + ctx)) + || !TEST_true(BN_hex2bn(&x, test->Gx)) + || !TEST_true(BN_hex2bn(&y, test->Gy)) + || !TEST_true(EC_POINT_set_affine_coordinates(NISTP, G, x, y, ctx)) + || !TEST_true(BN_hex2bn(&order, test->order)) + || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) + || !TEST_int_eq(EC_GROUP_get_degree(NISTP), test->degree)) + goto err; + + TEST_note("NIST test vectors ... "); + if (!TEST_true(BN_hex2bn(&n, test->d))) + goto err; + /* fixed point multiplication */ + EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))) + goto err; + /* random point multiplication */ + EC_POINT_mul(NISTP, Q, NULL, G, n, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) + + /* set generator to P = 2*G, where G is the standard generator */ + || !TEST_true(EC_POINT_dbl(NISTP, P, G, ctx)) + || !TEST_true(EC_GROUP_set_generator(NISTP, P, order, BN_value_one())) + /* set the scalar to m=n/2, where n is the NIST test scalar */ + || !TEST_true(BN_rshift(m, n, 1))) + goto err; + + /* test the non-standard generator */ + /* fixed point multiplication */ + EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))) + goto err; + /* random point multiplication */ + EC_POINT_mul(NISTP, Q, NULL, P, m, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) +#ifndef OPENSSL_NO_DEPRECATED_3_0 + /* We have not performed precomp so this should be false */ + || !TEST_false(EC_GROUP_have_precompute_mult(NISTP)) + /* now repeat all tests with precomputation */ + || !TEST_true(EC_GROUP_precompute_mult(NISTP, ctx)) +#endif + ) + goto err; + + /* fixed point multiplication */ + EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))) + goto err; + /* random point multiplication */ + EC_POINT_mul(NISTP, Q, NULL, P, m, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)) + + /* reset generator */ + || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))) + goto err; + /* fixed point multiplication */ + EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))) + goto err; + /* random point multiplication */ + EC_POINT_mul(NISTP, Q, NULL, G, n, ctx); + if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))) + goto err; + + /* regression test for felem_neg bug */ + if (!TEST_true(BN_set_word(m, 32)) + || !TEST_true(BN_set_word(n, 31)) + || !TEST_true(EC_POINT_copy(P, G)) + || !TEST_true(EC_POINT_invert(NISTP, P, ctx)) + || !TEST_true(EC_POINT_mul(NISTP, Q, m, P, n, ctx)) + || !TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, G, ctx))) + goto err; + + r = 1; +err: + EC_GROUP_free(NISTP); + EC_POINT_free(G); + EC_POINT_free(P); + EC_POINT_free(Q); + EC_POINT_free(Q_CHECK); + BN_free(n); + BN_free(m); + BN_free(p); + BN_free(a); + BN_free(b); + BN_free(x); + BN_free(y); + BN_free(order); + BN_free(yplusone); + BN_CTX_free(ctx); + return r; +} + +static const unsigned char p521_named[] = { + 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x23, +}; + +static const unsigned char p521_explicit[] = { + 0x30, 0x82, 0x01, 0xc3, 0x02, 0x01, 0x01, 0x30, 0x4d, 0x06, 0x07, 0x2a, + 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x42, 0x01, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0x30, 0x81, 0x9f, 0x04, 0x42, 0x01, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xfc, 0x04, 0x42, 0x00, 0x51, 0x95, 0x3e, 0xb9, 0x61, 0x8e, 0x1c, 0x9a, + 0x1f, 0x92, 0x9a, 0x21, 0xa0, 0xb6, 0x85, 0x40, 0xee, 0xa2, 0xda, 0x72, + 0x5b, 0x99, 0xb3, 0x15, 0xf3, 0xb8, 0xb4, 0x89, 0x91, 0x8e, 0xf1, 0x09, + 0xe1, 0x56, 0x19, 0x39, 0x51, 0xec, 0x7e, 0x93, 0x7b, 0x16, 0x52, 0xc0, + 0xbd, 0x3b, 0xb1, 0xbf, 0x07, 0x35, 0x73, 0xdf, 0x88, 0x3d, 0x2c, 0x34, + 0xf1, 0xef, 0x45, 0x1f, 0xd4, 0x6b, 0x50, 0x3f, 0x00, 0x03, 0x15, 0x00, + 0xd0, 0x9e, 0x88, 0x00, 0x29, 0x1c, 0xb8, 0x53, 0x96, 0xcc, 0x67, 0x17, + 0x39, 0x32, 0x84, 0xaa, 0xa0, 0xda, 0x64, 0xba, 0x04, 0x81, 0x85, 0x04, + 0x00, 0xc6, 0x85, 0x8e, 0x06, 0xb7, 0x04, 0x04, 0xe9, 0xcd, 0x9e, 0x3e, + 0xcb, 0x66, 0x23, 0x95, 0xb4, 0x42, 0x9c, 0x64, 0x81, 0x39, 0x05, 0x3f, + 0xb5, 0x21, 0xf8, 0x28, 0xaf, 0x60, 0x6b, 0x4d, 0x3d, 0xba, 0xa1, 0x4b, + 0x5e, 0x77, 0xef, 0xe7, 0x59, 0x28, 0xfe, 0x1d, 0xc1, 0x27, 0xa2, 0xff, + 0xa8, 0xde, 0x33, 0x48, 0xb3, 0xc1, 0x85, 0x6a, 0x42, 0x9b, 0xf9, 0x7e, + 0x7e, 0x31, 0xc2, 0xe5, 0xbd, 0x66, 0x01, 0x18, 0x39, 0x29, 0x6a, 0x78, + 0x9a, 0x3b, 0xc0, 0x04, 0x5c, 0x8a, 0x5f, 0xb4, 0x2c, 0x7d, 0x1b, 0xd9, + 0x98, 0xf5, 0x44, 0x49, 0x57, 0x9b, 0x44, 0x68, 0x17, 0xaf, 0xbd, 0x17, + 0x27, 0x3e, 0x66, 0x2c, 0x97, 0xee, 0x72, 0x99, 0x5e, 0xf4, 0x26, 0x40, + 0xc5, 0x50, 0xb9, 0x01, 0x3f, 0xad, 0x07, 0x61, 0x35, 0x3c, 0x70, 0x86, + 0xa2, 0x72, 0xc2, 0x40, 0x88, 0xbe, 0x94, 0x76, 0x9f, 0xd1, 0x66, 0x50, + 0x02, 0x42, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfa, + 0x51, 0x86, 0x87, 0x83, 0xbf, 0x2f, 0x96, 0x6b, 0x7f, 0xcc, 0x01, 0x48, + 0xf7, 0x09, 0xa5, 0xd0, 0x3b, 0xb5, 0xc9, 0xb8, 0x89, 0x9c, 0x47, 0xae, + 0xbb, 0x6f, 0xb7, 0x1e, 0x91, 0x38, 0x64, 0x09, 0x02, 0x01, 0x01, +}; + +/* + * This test validates a named curve's group parameters using + * EC_GROUP_check_named_curve(). It also checks that modifying any of the + * group parameters results in the curve not being valid. + */ +static int check_named_curve_test(int id) +{ + int ret = 0, nid, field_nid, has_seed; + EC_GROUP *group = NULL, *gtest = NULL; + const EC_POINT *group_gen = NULL; + EC_POINT *other_gen = NULL; + BIGNUM *group_p = NULL, *group_a = NULL, *group_b = NULL; + BIGNUM *other_p = NULL, *other_a = NULL, *other_b = NULL; + BIGNUM *group_cofactor = NULL, *other_cofactor = NULL; + BIGNUM *other_order = NULL; + const BIGNUM *group_order = NULL; + BN_CTX *bn_ctx = NULL; + static const unsigned char invalid_seed[] = "THIS IS NOT A VALID SEED"; + static size_t invalid_seed_len = sizeof(invalid_seed); + + /* Do some setup */ + nid = curves[id].nid; + if (!TEST_ptr(bn_ctx = BN_CTX_new()) + || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid)) + || !TEST_ptr(gtest = EC_GROUP_dup(group)) + || !TEST_ptr(group_p = BN_new()) + || !TEST_ptr(group_a = BN_new()) + || !TEST_ptr(group_b = BN_new()) + || !TEST_ptr(group_cofactor = BN_new()) + || !TEST_ptr(group_gen = EC_GROUP_get0_generator(group)) + || !TEST_ptr(group_order = EC_GROUP_get0_order(group)) + || !TEST_true(EC_GROUP_get_cofactor(group, group_cofactor, NULL)) + || !TEST_true(EC_GROUP_get_curve(group, group_p, group_a, group_b, NULL)) + || !TEST_ptr(other_gen = EC_POINT_dup(group_gen, group)) + || !TEST_true(EC_POINT_add(group, other_gen, group_gen, group_gen, NULL)) + || !TEST_ptr(other_order = BN_dup(group_order)) + || !TEST_true(BN_add_word(other_order, 1)) + || !TEST_ptr(other_a = BN_dup(group_a)) + || !TEST_true(BN_add_word(other_a, 1)) + || !TEST_ptr(other_b = BN_dup(group_b)) + || !TEST_true(BN_add_word(other_b, 1)) + || !TEST_ptr(other_cofactor = BN_dup(group_cofactor)) + || !TEST_true(BN_add_word(other_cofactor, 1))) + goto err; + + /* Determine if the built-in curve has a seed field set */ + has_seed = (EC_GROUP_get_seed_len(group) > 0); + field_nid = EC_GROUP_get_field_type(group); + if (field_nid == NID_X9_62_characteristic_two_field) { + if (!TEST_ptr(other_p = BN_dup(group_p)) + || !TEST_true(BN_lshift1(other_p, other_p))) + goto err; + } else { + if (!TEST_ptr(other_p = BN_dup(group_p))) + goto err; + /* + * Just choosing any arbitrary prime does not work.. + * Setting p via ec_GFp_nist_group_set_curve() needs the prime to be a + * nist prime. So only select one of these as an alternate prime. + */ + if (!TEST_ptr(BN_copy(other_p, + BN_ucmp(BN_get0_nist_prime_192(), other_p) == 0 ? + BN_get0_nist_prime_256() : + BN_get0_nist_prime_192()))) + goto err; + } + + /* Passes because this is a valid curve */ + if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid) + /* Only NIST curves pass */ + || !TEST_int_eq(EC_GROUP_check_named_curve(group, 1, NULL), + EC_curve_nid2nist(nid) != NULL ? nid : NID_undef)) + goto err; + + /* Fail if the curve name doesn't match the parameters */ + EC_GROUP_set_curve_name(group, nid + 1); + ERR_set_mark(); + if (!TEST_int_le(EC_GROUP_check_named_curve(group, 0, NULL), 0)) + goto err; + ERR_pop_to_mark(); + + /* Restore curve name and ensure it's passing */ + EC_GROUP_set_curve_name(group, nid); + if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid)) + goto err; + + if (!TEST_int_eq(EC_GROUP_set_seed(group, invalid_seed, invalid_seed_len), + invalid_seed_len)) + goto err; + + if (has_seed) { + /* + * If the built-in curve has a seed and we set the seed to another value + * then it will fail the check. + */ + if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), 0)) + goto err; + } else { + /* + * If the built-in curve does not have a seed then setting the seed will + * pass the check (as the seed is optional). + */ + if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid)) + goto err; + } + /* Pass if the seed is unknown (as it is optional) */ + if (!TEST_int_eq(EC_GROUP_set_seed(group, NULL, 0), 1) + || !TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid)) + goto err; + + /* Check that a duped group passes */ + if (!TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid)) + goto err; + + /* check that changing any generator parameter fails */ + if (!TEST_true(EC_GROUP_set_generator(gtest, other_gen, group_order, + group_cofactor)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0) + || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, other_order, + group_cofactor)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0) + /* The order is not an optional field, so this should fail */ + || !TEST_false(EC_GROUP_set_generator(gtest, group_gen, NULL, + group_cofactor)) + || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order, + other_cofactor)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0) + /* Check that if the cofactor is not set then it still passes */ + || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order, + NULL)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid) + /* check that restoring the generator passes */ + || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order, + group_cofactor)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid)) + goto err; + + /* + * check that changing any curve parameter fails + * + * Setting arbitrary p, a or b might fail for some EC_GROUPs + * depending on the internal EC_METHOD implementation, hence run + * these tests conditionally to the success of EC_GROUP_set_curve(). + */ + ERR_set_mark(); + if (EC_GROUP_set_curve(gtest, other_p, group_a, group_b, NULL)) { + if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)) + goto err; + } else { + /* clear the error stack if EC_GROUP_set_curve() failed */ + ERR_pop_to_mark(); + ERR_set_mark(); + } + if (EC_GROUP_set_curve(gtest, group_p, other_a, group_b, NULL)) { + if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)) + goto err; + } else { + /* clear the error stack if EC_GROUP_set_curve() failed */ + ERR_pop_to_mark(); + ERR_set_mark(); + } + if (EC_GROUP_set_curve(gtest, group_p, group_a, other_b, NULL)) { + if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)) + goto err; + } else { + /* clear the error stack if EC_GROUP_set_curve() failed */ + ERR_pop_to_mark(); + ERR_set_mark(); + } + ERR_pop_to_mark(); + + /* Check that restoring the curve parameters passes */ + if (!TEST_true(EC_GROUP_set_curve(gtest, group_p, group_a, group_b, NULL)) + || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid)) + goto err; + + ret = 1; +err: + BN_free(group_p); + BN_free(other_p); + BN_free(group_a); + BN_free(other_a); + BN_free(group_b); + BN_free(other_b); + BN_free(group_cofactor); + BN_free(other_cofactor); + BN_free(other_order); + EC_POINT_free(other_gen); + EC_GROUP_free(gtest); + EC_GROUP_free(group); + BN_CTX_free(bn_ctx); + return ret; +} + +/* + * This checks the lookup capability of EC_GROUP_check_named_curve() + * when the given group was created with explicit parameters. + * + * It is possible to retrieve an alternative alias that does not match + * the original nid in this case. + */ +static int check_named_curve_lookup_test(int id) +{ + int ret = 0, nid, rv = 0; + EC_GROUP *g = NULL , *ga = NULL; + ECPARAMETERS *p = NULL, *pa = NULL; + BN_CTX *ctx = NULL; + + /* Do some setup */ + nid = curves[id].nid; + if (!TEST_ptr(ctx = BN_CTX_new()) + || !TEST_ptr(g = EC_GROUP_new_by_curve_name(nid)) + || !TEST_ptr(p = EC_GROUP_get_ecparameters(g, NULL))) + goto err; + + /* replace with group from explicit parameters */ + EC_GROUP_free(g); + if (!TEST_ptr(g = EC_GROUP_new_from_ecparameters(p))) + goto err; + + if (!TEST_int_gt(rv = EC_GROUP_check_named_curve(g, 0, NULL), 0)) + goto err; + if (rv != nid) { + /* + * Found an alias: + * fail if the returned nid is not an alias of the original group. + * + * The comparison here is done by comparing two explicit + * parameter EC_GROUPs with EC_GROUP_cmp(), to ensure the + * comparison happens with unnamed EC_GROUPs using the same + * EC_METHODs. + */ + if (!TEST_ptr(ga = EC_GROUP_new_by_curve_name(rv)) + || !TEST_ptr(pa = EC_GROUP_get_ecparameters(ga, NULL))) + goto err; + + /* replace with group from explicit parameters, then compare */ + EC_GROUP_free(ga); + if (!TEST_ptr(ga = EC_GROUP_new_from_ecparameters(pa)) + || !TEST_int_eq(EC_GROUP_cmp(g, ga, ctx), 0)) + goto err; + } + + ret = 1; + + err: + EC_GROUP_free(g); + EC_GROUP_free(ga); + ECPARAMETERS_free(p); + ECPARAMETERS_free(pa); + BN_CTX_free(ctx); + + return ret; +} + +/* + * Sometime we cannot compare nids for equality, as the built-in curve table + * includes aliases with different names for the same curve. + * + * This function returns TRUE (1) if the checked nids are identical, or if they + * alias to the same curve. FALSE (0) otherwise. + */ +static ossl_inline +int are_ec_nids_compatible(int n1d, int n2d) +{ + int ret = 0; + switch (n1d) { +#ifndef OPENSSL_NO_EC2M + case NID_sect113r1: + case NID_wap_wsg_idm_ecid_wtls4: + ret = (n2d == NID_sect113r1 || n2d == NID_wap_wsg_idm_ecid_wtls4); + break; + case NID_sect163k1: + case NID_wap_wsg_idm_ecid_wtls3: + ret = (n2d == NID_sect163k1 || n2d == NID_wap_wsg_idm_ecid_wtls3); + break; + case NID_sect233k1: + case NID_wap_wsg_idm_ecid_wtls10: + ret = (n2d == NID_sect233k1 || n2d == NID_wap_wsg_idm_ecid_wtls10); + break; + case NID_sect233r1: + case NID_wap_wsg_idm_ecid_wtls11: + ret = (n2d == NID_sect233r1 || n2d == NID_wap_wsg_idm_ecid_wtls11); + break; + case NID_X9_62_c2pnb163v1: + case NID_wap_wsg_idm_ecid_wtls5: + ret = (n2d == NID_X9_62_c2pnb163v1 + || n2d == NID_wap_wsg_idm_ecid_wtls5); + break; +#endif /* OPENSSL_NO_EC2M */ + case NID_secp112r1: + case NID_wap_wsg_idm_ecid_wtls6: + ret = (n2d == NID_secp112r1 || n2d == NID_wap_wsg_idm_ecid_wtls6); + break; + case NID_secp160r2: + case NID_wap_wsg_idm_ecid_wtls7: + ret = (n2d == NID_secp160r2 || n2d == NID_wap_wsg_idm_ecid_wtls7); + break; +#ifdef OPENSSL_NO_EC_NISTP_64_GCC_128 + case NID_secp224r1: + case NID_wap_wsg_idm_ecid_wtls12: + ret = (n2d == NID_secp224r1 || n2d == NID_wap_wsg_idm_ecid_wtls12); + break; +#else + /* + * For SEC P-224 we want to ensure that the SECP nid is returned, as + * that is associated with a specialized method. + */ + case NID_wap_wsg_idm_ecid_wtls12: + ret = (n2d == NID_secp224r1); + break; +#endif /* def(OPENSSL_NO_EC_NISTP_64_GCC_128) */ + + default: + ret = (n1d == n2d); + } + return ret; +} + +/* + * This checks that EC_GROUP_bew_from_ecparameters() returns a "named" + * EC_GROUP for built-in curves. + * + * Note that it is possible to retrieve an alternative alias that does not match + * the original nid. + * + * Ensure that the OPENSSL_EC_EXPLICIT_CURVE ASN1 flag is set. + */ +static int check_named_curve_from_ecparameters(int id) +{ + int ret = 0, nid, tnid; + EC_GROUP *group = NULL, *tgroup = NULL, *tmpg = NULL; + const EC_POINT *group_gen = NULL; + EC_POINT *other_gen = NULL; + BIGNUM *group_cofactor = NULL, *other_cofactor = NULL; + BIGNUM *other_gen_x = NULL, *other_gen_y = NULL; + const BIGNUM *group_order = NULL; + BIGNUM *other_order = NULL; + BN_CTX *bn_ctx = NULL; + static const unsigned char invalid_seed[] = "THIS IS NOT A VALID SEED"; + static size_t invalid_seed_len = sizeof(invalid_seed); + ECPARAMETERS *params = NULL, *other_params = NULL; + EC_GROUP *g_ary[8] = {NULL}; + EC_GROUP **g_next = &g_ary[0]; + ECPARAMETERS *p_ary[8] = {NULL}; + ECPARAMETERS **p_next = &p_ary[0]; + + /* Do some setup */ + nid = curves[id].nid; + TEST_note("Curve %s", OBJ_nid2sn(nid)); + if (!TEST_ptr(bn_ctx = BN_CTX_new())) + return ret; + BN_CTX_start(bn_ctx); + + if (/* Allocations */ + !TEST_ptr(group_cofactor = BN_CTX_get(bn_ctx)) + || !TEST_ptr(other_gen_x = BN_CTX_get(bn_ctx)) + || !TEST_ptr(other_gen_y = BN_CTX_get(bn_ctx)) + || !TEST_ptr(other_order = BN_CTX_get(bn_ctx)) + || !TEST_ptr(other_cofactor = BN_CTX_get(bn_ctx)) + /* Generate reference group and params */ + || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid)) + || !TEST_ptr(params = EC_GROUP_get_ecparameters(group, NULL)) + || !TEST_ptr(group_gen = EC_GROUP_get0_generator(group)) + || !TEST_ptr(group_order = EC_GROUP_get0_order(group)) + || !TEST_true(EC_GROUP_get_cofactor(group, group_cofactor, NULL)) + /* compute `other_*` values */ + || !TEST_ptr(tmpg = EC_GROUP_dup(group)) + || !TEST_ptr(other_gen = EC_POINT_dup(group_gen, group)) + || !TEST_true(EC_POINT_add(group, other_gen, group_gen, group_gen, NULL)) + || !TEST_true(EC_POINT_get_affine_coordinates(group, other_gen, + other_gen_x, other_gen_y, bn_ctx)) + || !TEST_true(BN_copy(other_order, group_order)) + || !TEST_true(BN_add_word(other_order, 1)) + || !TEST_true(BN_copy(other_cofactor, group_cofactor)) + || !TEST_true(BN_add_word(other_cofactor, 1))) + goto err; + + EC_POINT_free(other_gen); + other_gen = NULL; + + if (!TEST_ptr(other_gen = EC_POINT_new(tmpg)) + || !TEST_true(EC_POINT_set_affine_coordinates(tmpg, other_gen, + other_gen_x, other_gen_y, + bn_ctx))) + goto err; + + /* + * ########################### + * # Actual tests start here # + * ########################### + */ + + /* + * Creating a group from built-in explicit parameters returns a + * "named" EC_GROUP + */ + if (!TEST_ptr(tgroup = *g_next++ = EC_GROUP_new_from_ecparameters(params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)) + goto err; + /* + * We cannot always guarantee the names match, as the built-in table + * contains aliases for the same curve with different names. + */ + if (!TEST_true(are_ec_nids_compatible(nid, tnid))) { + TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid)); + goto err; + } + /* Ensure that the OPENSSL_EC_EXPLICIT_CURVE ASN1 flag is set. */ + if (!TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), OPENSSL_EC_EXPLICIT_CURVE)) + goto err; + + /* + * An invalid seed in the parameters should be ignored: expect a "named" + * group. + */ + if (!TEST_int_eq(EC_GROUP_set_seed(tmpg, invalid_seed, invalid_seed_len), + invalid_seed_len) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + || !TEST_true(are_ec_nids_compatible(nid, tnid)) + || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), + OPENSSL_EC_EXPLICIT_CURVE)) { + TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid)); + goto err; + } + + /* + * A null seed in the parameters should be ignored, as it is optional: + * expect a "named" group. + */ + if (!TEST_int_eq(EC_GROUP_set_seed(tmpg, NULL, 0), 1) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + || !TEST_true(are_ec_nids_compatible(nid, tnid)) + || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), + OPENSSL_EC_EXPLICIT_CURVE)) { + TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid)); + goto err; + } + + /* + * Check that changing any of the generator parameters does not yield a + * match with the built-in curves + */ + if (/* Other gen, same group order & cofactor */ + !TEST_true(EC_GROUP_set_generator(tmpg, other_gen, group_order, + group_cofactor)) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_eq((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + /* Same gen & cofactor, different order */ + || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, other_order, + group_cofactor)) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_eq((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + /* The order is not an optional field, so this should fail */ + || !TEST_false(EC_GROUP_set_generator(tmpg, group_gen, NULL, + group_cofactor)) + /* Check that a wrong cofactor is ignored, and we still match */ + || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order, + other_cofactor)) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + || !TEST_true(are_ec_nids_compatible(nid, tnid)) + || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), + OPENSSL_EC_EXPLICIT_CURVE) + /* Check that if the cofactor is not set then it still matches */ + || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order, + NULL)) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + || !TEST_true(are_ec_nids_compatible(nid, tnid)) + || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), + OPENSSL_EC_EXPLICIT_CURVE) + /* check that restoring the generator passes */ + || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order, + group_cofactor)) + || !TEST_ptr(other_params = *p_next++ = + EC_GROUP_get_ecparameters(tmpg, NULL)) + || !TEST_ptr(tgroup = *g_next++ = + EC_GROUP_new_from_ecparameters(other_params)) + || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef) + || !TEST_true(are_ec_nids_compatible(nid, tnid)) + || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), + OPENSSL_EC_EXPLICIT_CURVE)) + goto err; + + ret = 1; +err: + for (g_next = &g_ary[0]; g_next < g_ary + OSSL_NELEM(g_ary); g_next++) + EC_GROUP_free(*g_next); + for (p_next = &p_ary[0]; p_next < p_ary + OSSL_NELEM(g_ary); p_next++) + ECPARAMETERS_free(*p_next); + ECPARAMETERS_free(params); + EC_POINT_free(other_gen); + EC_GROUP_free(tmpg); + EC_GROUP_free(group); + BN_CTX_end(bn_ctx); + BN_CTX_free(bn_ctx); + return ret; +} + + +static int parameter_test(void) +{ + EC_GROUP *group = NULL, *group2 = NULL; + ECPARAMETERS *ecparameters = NULL; + unsigned char *buf = NULL; + int r = 0, len; + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_secp384r1)) + || !TEST_ptr(ecparameters = EC_GROUP_get_ecparameters(group, NULL)) + || !TEST_ptr(group2 = EC_GROUP_new_from_ecparameters(ecparameters)) + || !TEST_int_eq(EC_GROUP_cmp(group, group2, NULL), 0)) + goto err; + + EC_GROUP_free(group); + group = NULL; + + /* Test the named curve encoding, which should be default. */ + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_secp521r1)) + || !TEST_true((len = i2d_ECPKParameters(group, &buf)) >= 0) + || !TEST_mem_eq(buf, len, p521_named, sizeof(p521_named))) + goto err; + + OPENSSL_free(buf); + buf = NULL; + + /* + * Test the explicit encoding. P-521 requires correctly zero-padding the + * curve coefficients. + */ + EC_GROUP_set_asn1_flag(group, OPENSSL_EC_EXPLICIT_CURVE); + if (!TEST_true((len = i2d_ECPKParameters(group, &buf)) >= 0) + || !TEST_mem_eq(buf, len, p521_explicit, sizeof(p521_explicit))) + goto err; + + r = 1; +err: + EC_GROUP_free(group); + EC_GROUP_free(group2); + ECPARAMETERS_free(ecparameters); + OPENSSL_free(buf); + return r; +} + +/*- + * random 256-bit explicit parameters curve, cofactor absent + * order: 0x0c38d96a9f892b88772ec2e39614a82f4f (132 bit) + * cofactor: 0x12bc94785251297abfafddf1565100da (125 bit) + */ +static const unsigned char params_cf_pass[] = { + 0x30, 0x81, 0xcd, 0x02, 0x01, 0x01, 0x30, 0x2c, 0x06, 0x07, 0x2a, 0x86, + 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x21, 0x00, 0xe5, 0x00, 0x1f, 0xc5, + 0xca, 0x71, 0x9d, 0x8e, 0xf7, 0x07, 0x4b, 0x48, 0x37, 0xf9, 0x33, 0x2d, + 0x71, 0xbf, 0x79, 0xe7, 0xdc, 0x91, 0xc2, 0xff, 0xb6, 0x7b, 0xc3, 0x93, + 0x44, 0x88, 0xe6, 0x91, 0x30, 0x44, 0x04, 0x20, 0xe5, 0x00, 0x1f, 0xc5, + 0xca, 0x71, 0x9d, 0x8e, 0xf7, 0x07, 0x4b, 0x48, 0x37, 0xf9, 0x33, 0x2d, + 0x71, 0xbf, 0x79, 0xe7, 0xdc, 0x91, 0xc2, 0xff, 0xb6, 0x7b, 0xc3, 0x93, + 0x44, 0x88, 0xe6, 0x8e, 0x04, 0x20, 0x18, 0x8c, 0x59, 0x57, 0xc4, 0xbc, + 0x85, 0x57, 0xc3, 0x66, 0x9f, 0x89, 0xd5, 0x92, 0x0d, 0x7e, 0x42, 0x27, + 0x07, 0x64, 0xaa, 0x26, 0xed, 0x89, 0xc4, 0x09, 0x05, 0x4d, 0xc7, 0x23, + 0x47, 0xda, 0x04, 0x41, 0x04, 0x1b, 0x6b, 0x41, 0x0b, 0xf9, 0xfb, 0x77, + 0xfd, 0x50, 0xb7, 0x3e, 0x23, 0xa3, 0xec, 0x9a, 0x3b, 0x09, 0x31, 0x6b, + 0xfa, 0xf6, 0xce, 0x1f, 0xff, 0xeb, 0x57, 0x93, 0x24, 0x70, 0xf3, 0xf4, + 0xba, 0x7e, 0xfa, 0x86, 0x6e, 0x19, 0x89, 0xe3, 0x55, 0x6d, 0x5a, 0xe9, + 0xc0, 0x3d, 0xbc, 0xfb, 0xaf, 0xad, 0xd4, 0x7e, 0xa6, 0xe5, 0xfa, 0x1a, + 0x58, 0x07, 0x9e, 0x8f, 0x0d, 0x3b, 0xf7, 0x38, 0xca, 0x02, 0x11, 0x0c, + 0x38, 0xd9, 0x6a, 0x9f, 0x89, 0x2b, 0x88, 0x77, 0x2e, 0xc2, 0xe3, 0x96, + 0x14, 0xa8, 0x2f, 0x4f +}; + +/*- + * random 256-bit explicit parameters curve, cofactor absent + * order: 0x045a75c0c17228ebd9b169a10e34a22101 (131 bit) + * cofactor: 0x2e134b4ede82649f67a2e559d361e5fe (126 bit) + */ +static const unsigned char params_cf_fail[] = { + 0x30, 0x81, 0xcd, 0x02, 0x01, 0x01, 0x30, 0x2c, 0x06, 0x07, 0x2a, 0x86, + 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x21, 0x00, 0xc8, 0x95, 0x27, 0x37, + 0xe8, 0xe1, 0xfd, 0xcc, 0xf9, 0x6e, 0x0c, 0xa6, 0x21, 0xc1, 0x7d, 0x6b, + 0x9d, 0x44, 0x42, 0xea, 0x73, 0x4e, 0x04, 0xb6, 0xac, 0x62, 0x50, 0xd0, + 0x33, 0xc2, 0xea, 0x13, 0x30, 0x44, 0x04, 0x20, 0xc8, 0x95, 0x27, 0x37, + 0xe8, 0xe1, 0xfd, 0xcc, 0xf9, 0x6e, 0x0c, 0xa6, 0x21, 0xc1, 0x7d, 0x6b, + 0x9d, 0x44, 0x42, 0xea, 0x73, 0x4e, 0x04, 0xb6, 0xac, 0x62, 0x50, 0xd0, + 0x33, 0xc2, 0xea, 0x10, 0x04, 0x20, 0xbf, 0xa6, 0xa8, 0x05, 0x1d, 0x09, + 0xac, 0x70, 0x39, 0xbb, 0x4d, 0xb2, 0x90, 0x8a, 0x15, 0x41, 0x14, 0x1d, + 0x11, 0x86, 0x9f, 0x13, 0xa2, 0x63, 0x1a, 0xda, 0x95, 0x22, 0x4d, 0x02, + 0x15, 0x0a, 0x04, 0x41, 0x04, 0xaf, 0x16, 0x71, 0xf9, 0xc4, 0xc8, 0x59, + 0x1d, 0xa3, 0x6f, 0xe7, 0xc3, 0x57, 0xa1, 0xfa, 0x9f, 0x49, 0x7c, 0x11, + 0x27, 0x05, 0xa0, 0x7f, 0xff, 0xf9, 0xe0, 0xe7, 0x92, 0xdd, 0x9c, 0x24, + 0x8e, 0xc7, 0xb9, 0x52, 0x71, 0x3f, 0xbc, 0x7f, 0x6a, 0x9f, 0x35, 0x70, + 0xe1, 0x27, 0xd5, 0x35, 0x8a, 0x13, 0xfa, 0xa8, 0x33, 0x3e, 0xd4, 0x73, + 0x1c, 0x14, 0x58, 0x9e, 0xc7, 0x0a, 0x87, 0x65, 0x8d, 0x02, 0x11, 0x04, + 0x5a, 0x75, 0xc0, 0xc1, 0x72, 0x28, 0xeb, 0xd9, 0xb1, 0x69, 0xa1, 0x0e, + 0x34, 0xa2, 0x21, 0x01 +}; + +/*- + * Test two random 256-bit explicit parameters curves with absent cofactor. + * The two curves are chosen to roughly straddle the bounds at which the lib + * can compute the cofactor automatically, roughly 4*sqrt(p). So test that: + * + * - params_cf_pass: order is sufficiently close to p to compute cofactor + * - params_cf_fail: order is too far away from p to compute cofactor + * + * For standards-compliant curves, cofactor is chosen as small as possible. + * So you can see neither of these curves are fit for cryptographic use. + * + * Some standards even mandate an upper bound on the cofactor, e.g. SECG1 v2: + * h <= 2**(t/8) where t is the security level of the curve, for which the lib + * will always succeed in computing the cofactor. Neither of these curves + * conform to that -- this is just robustness testing. + */ +static int cofactor_range_test(void) +{ + EC_GROUP *group = NULL; + BIGNUM *cf = NULL; + int ret = 0; + const unsigned char *b1 = (const unsigned char *)params_cf_fail; + const unsigned char *b2 = (const unsigned char *)params_cf_pass; + + if (!TEST_ptr(group = d2i_ECPKParameters(NULL, &b1, sizeof(params_cf_fail))) + || !TEST_BN_eq_zero(EC_GROUP_get0_cofactor(group)) + || !TEST_ptr(group = d2i_ECPKParameters(&group, &b2, + sizeof(params_cf_pass))) + || !TEST_int_gt(BN_hex2bn(&cf, "12bc94785251297abfafddf1565100da"), 0) + || !TEST_BN_eq(cf, EC_GROUP_get0_cofactor(group))) + goto err; + ret = 1; + err: + BN_free(cf); + EC_GROUP_free(group); + return ret; +} + +/*- + * For named curves, test that: + * - the lib correctly computes the cofactor if passed a NULL or zero cofactor + * - a nonsensical cofactor throws an error (negative test) + * - nonsensical orders throw errors (negative tests) + */ +static int cardinality_test(int n) +{ + int ret = 0, is_binary = 0; + int nid = curves[n].nid; + BN_CTX *ctx = NULL; + EC_GROUP *g1 = NULL, *g2 = NULL; + EC_POINT *g2_gen = NULL; + BIGNUM *g1_p = NULL, *g1_a = NULL, *g1_b = NULL, *g1_x = NULL, *g1_y = NULL, + *g1_order = NULL, *g1_cf = NULL, *g2_cf = NULL; + + TEST_info("Curve %s cardinality test", OBJ_nid2sn(nid)); + + if (!TEST_ptr(ctx = BN_CTX_new()) + || !TEST_ptr(g1 = EC_GROUP_new_by_curve_name(nid))) { + BN_CTX_free(ctx); + return 0; + } + + is_binary = (EC_GROUP_get_field_type(g1) == NID_X9_62_characteristic_two_field); + + BN_CTX_start(ctx); + g1_p = BN_CTX_get(ctx); + g1_a = BN_CTX_get(ctx); + g1_b = BN_CTX_get(ctx); + g1_x = BN_CTX_get(ctx); + g1_y = BN_CTX_get(ctx); + g1_order = BN_CTX_get(ctx); + g1_cf = BN_CTX_get(ctx); + + if (!TEST_ptr(g2_cf = BN_CTX_get(ctx)) + /* pull out the explicit curve parameters */ + || !TEST_true(EC_GROUP_get_curve(g1, g1_p, g1_a, g1_b, ctx)) + || !TEST_true(EC_POINT_get_affine_coordinates(g1, + EC_GROUP_get0_generator(g1), g1_x, g1_y, ctx)) + || !TEST_true(BN_copy(g1_order, EC_GROUP_get0_order(g1))) + || !TEST_true(EC_GROUP_get_cofactor(g1, g1_cf, ctx)) + /* construct g2 manually with g1 parameters */ +#ifndef OPENSSL_NO_EC2M + || !TEST_ptr(g2 = (is_binary) ? + EC_GROUP_new_curve_GF2m(g1_p, g1_a, g1_b, ctx) : + EC_GROUP_new_curve_GFp(g1_p, g1_a, g1_b, ctx)) +#else + || !TEST_int_eq(0, is_binary) + || !TEST_ptr(g2 = EC_GROUP_new_curve_GFp(g1_p, g1_a, g1_b, ctx)) +#endif + || !TEST_ptr(g2_gen = EC_POINT_new(g2)) + || !TEST_true(EC_POINT_set_affine_coordinates(g2, g2_gen, g1_x, g1_y, ctx)) + /* pass NULL cofactor: lib should compute it */ + || !TEST_true(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL)) + || !TEST_true(EC_GROUP_get_cofactor(g2, g2_cf, ctx)) + || !TEST_BN_eq(g1_cf, g2_cf) + /* pass zero cofactor: lib should compute it */ + || !TEST_true(BN_set_word(g2_cf, 0)) + || !TEST_true(EC_GROUP_set_generator(g2, g2_gen, g1_order, g2_cf)) + || !TEST_true(EC_GROUP_get_cofactor(g2, g2_cf, ctx)) + || !TEST_BN_eq(g1_cf, g2_cf) + /* negative test for invalid cofactor */ + || !TEST_true(BN_set_word(g2_cf, 0)) + || !TEST_true(BN_sub(g2_cf, g2_cf, BN_value_one())) + || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, g2_cf)) + /* negative test for NULL order */ + || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, NULL, NULL)) + /* negative test for zero order */ + || !TEST_true(BN_set_word(g1_order, 0)) + || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL)) + /* negative test for negative order */ + || !TEST_true(BN_set_word(g2_cf, 0)) + || !TEST_true(BN_sub(g2_cf, g2_cf, BN_value_one())) + || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL)) + /* negative test for too large order */ + || !TEST_true(BN_lshift(g1_order, g1_p, 2)) + || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL))) + goto err; + ret = 1; + err: + EC_POINT_free(g2_gen); + EC_GROUP_free(g1); + EC_GROUP_free(g2); + BN_CTX_end(ctx); + BN_CTX_free(ctx); + return ret; +} + +static int check_ec_key_field_public_range_test(int id) +{ + int ret = 0, type = 0; + const EC_POINT *pub = NULL; + const EC_GROUP *group = NULL; + const BIGNUM *field = NULL; + BIGNUM *x = NULL, *y = NULL; + EC_KEY *key = NULL; + + if (!TEST_ptr(x = BN_new()) + || !TEST_ptr(y = BN_new()) + || !TEST_ptr(key = EC_KEY_new_by_curve_name(curves[id].nid)) + || !TEST_ptr(group = EC_KEY_get0_group(key)) + || !TEST_ptr(field = EC_GROUP_get0_field(group)) + || !TEST_int_gt(EC_KEY_generate_key(key), 0) + || !TEST_int_gt(EC_KEY_check_key(key), 0) + || !TEST_ptr(pub = EC_KEY_get0_public_key(key)) + || !TEST_int_gt(EC_POINT_get_affine_coordinates(group, pub, x, y, + NULL), 0)) + goto err; + + /* + * Make the public point out of range by adding the field (which will still + * be the same point on the curve). The add is different for char2 fields. + */ + type = EC_GROUP_get_field_type(group); +#ifndef OPENSSL_NO_EC2M + if (type == NID_X9_62_characteristic_two_field) { + /* test for binary curves */ + if (!TEST_true(BN_GF2m_add(x, x, field))) + goto err; + } else +#endif + if (type == NID_X9_62_prime_field) { + /* test for prime curves */ + if (!TEST_true(BN_add(x, x, field))) + goto err; + } else { + /* this should never happen */ + TEST_error("Unsupported EC_METHOD field_type"); + goto err; + } + if (!TEST_int_le(EC_KEY_set_public_key_affine_coordinates(key, x, y), 0)) + goto err; + + ret = 1; +err: + BN_free(x); + BN_free(y); + EC_KEY_free(key); + return ret; +} + +/* + * Helper for ec_point_hex2point_test + * + * Self-tests EC_POINT_point2hex() against EC_POINT_hex2point() for the given + * (group,P) pair. + * + * If P is NULL use point at infinity. + */ +static ossl_inline +int ec_point_hex2point_test_helper(const EC_GROUP *group, const EC_POINT *P, + point_conversion_form_t form, + BN_CTX *bnctx) +{ + int ret = 0; + EC_POINT *Q = NULL, *Pinf = NULL; + char *hex = NULL; + + if (P == NULL) { + /* If P is NULL use point at infinity. */ + if (!TEST_ptr(Pinf = EC_POINT_new(group)) + || !TEST_true(EC_POINT_set_to_infinity(group, Pinf))) + goto err; + P = Pinf; + } + + if (!TEST_ptr(hex = EC_POINT_point2hex(group, P, form, bnctx)) + || !TEST_ptr(Q = EC_POINT_hex2point(group, hex, NULL, bnctx)) + || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, bnctx))) + goto err; + + /* + * The next check is most likely superfluous, as EC_POINT_cmp should already + * cover this. + * Nonetheless it increases the test coverage for EC_POINT_is_at_infinity, + * so we include it anyway! + */ + if (Pinf != NULL + && !TEST_true(EC_POINT_is_at_infinity(group, Q))) + goto err; + + ret = 1; + + err: + EC_POINT_free(Pinf); + OPENSSL_free(hex); + EC_POINT_free(Q); + + return ret; +} + +/* + * This test self-validates EC_POINT_hex2point() and EC_POINT_point2hex() + */ +static int ec_point_hex2point_test(int id) +{ + int ret = 0, nid; + EC_GROUP *group = NULL; + const EC_POINT *G = NULL; + EC_POINT *P = NULL; + BN_CTX * bnctx = NULL; + + /* Do some setup */ + nid = curves[id].nid; + if (!TEST_ptr(bnctx = BN_CTX_new()) + || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid)) + || !TEST_ptr(G = EC_GROUP_get0_generator(group)) + || !TEST_ptr(P = EC_POINT_dup(G, group))) + goto err; + + if (!TEST_true(ec_point_hex2point_test_helper(group, P, + POINT_CONVERSION_COMPRESSED, + bnctx)) + || !TEST_true(ec_point_hex2point_test_helper(group, NULL, + POINT_CONVERSION_COMPRESSED, + bnctx)) + || !TEST_true(ec_point_hex2point_test_helper(group, P, + POINT_CONVERSION_UNCOMPRESSED, + bnctx)) + || !TEST_true(ec_point_hex2point_test_helper(group, NULL, + POINT_CONVERSION_UNCOMPRESSED, + bnctx)) + || !TEST_true(ec_point_hex2point_test_helper(group, P, + POINT_CONVERSION_HYBRID, + bnctx)) + || !TEST_true(ec_point_hex2point_test_helper(group, NULL, + POINT_CONVERSION_HYBRID, + bnctx))) + goto err; + + ret = 1; + + err: + EC_POINT_free(P); + EC_GROUP_free(group); + BN_CTX_free(bnctx); + + return ret; +} + +static int do_test_custom_explicit_fromdata(EC_GROUP *group, BN_CTX *ctx, + unsigned char *gen, int gen_size) +{ + int ret = 0, i_out; + EVP_PKEY_CTX *pctx = NULL; + EVP_PKEY *pkeyparam = NULL; + OSSL_PARAM_BLD *bld = NULL; + const char *field_name; + OSSL_PARAM *params = NULL; + const OSSL_PARAM *gettable; + BIGNUM *p, *a, *b; + BIGNUM *p_out = NULL, *a_out = NULL, *b_out = NULL; + BIGNUM *order_out = NULL, *cofactor_out = NULL; + char name[80]; + unsigned char buf[1024]; + size_t buf_len, name_len; +#ifndef OPENSSL_NO_EC2M + unsigned int k1 = 0, k2 = 0, k3 = 0; + const char *basis_name = NULL; +#endif + + p = BN_CTX_get(ctx); + a = BN_CTX_get(ctx); + b = BN_CTX_get(ctx); + + if (!TEST_ptr(b) + || !TEST_ptr(bld = OSSL_PARAM_BLD_new())) + goto err; + + if (EC_GROUP_get_field_type(group) == NID_X9_62_prime_field) { + field_name = SN_X9_62_prime_field; + } else { + field_name = SN_X9_62_characteristic_two_field; +#ifndef OPENSSL_NO_EC2M + if (EC_GROUP_get_basis_type(group) == NID_X9_62_tpBasis) { + basis_name = SN_X9_62_tpBasis; + if (!TEST_true(EC_GROUP_get_trinomial_basis(group, &k1))) + goto err; + } else { + basis_name = SN_X9_62_ppBasis; + if (!TEST_true(EC_GROUP_get_pentanomial_basis(group, &k1, &k2, &k3))) + goto err; + } +#endif /* OPENSSL_NO_EC2M */ + } + if (!TEST_true(EC_GROUP_get_curve(group, p, a, b, ctx)) + || !TEST_true(OSSL_PARAM_BLD_push_utf8_string(bld, + OSSL_PKEY_PARAM_EC_FIELD_TYPE, field_name, 0)) + || !TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_P, p)) + || !TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_A, a)) + || !TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_B, b))) + goto err; + + if (EC_GROUP_get0_seed(group) != NULL) { + if (!TEST_true(OSSL_PARAM_BLD_push_octet_string(bld, + OSSL_PKEY_PARAM_EC_SEED, EC_GROUP_get0_seed(group), + EC_GROUP_get_seed_len(group)))) + goto err; + } + if (EC_GROUP_get0_cofactor(group) != NULL) { + if (!TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_COFACTOR, + EC_GROUP_get0_cofactor(group)))) + goto err; + } + + if (!TEST_true(OSSL_PARAM_BLD_push_octet_string(bld, + OSSL_PKEY_PARAM_EC_GENERATOR, gen, gen_size)) + || !TEST_true(OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_ORDER, + EC_GROUP_get0_order(group)))) + goto err; + + if (!TEST_ptr(params = OSSL_PARAM_BLD_to_param(bld)) + || !TEST_ptr(pctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) + || !TEST_int_gt(EVP_PKEY_fromdata_init(pctx), 0) + || !TEST_int_gt(EVP_PKEY_fromdata(pctx, &pkeyparam, + EVP_PKEY_KEY_PARAMETERS, params), 0)) + goto err; + + /*- Check that all the set values are retrievable -*/ + + /* There should be no match to a group name since the generator changed */ + if (!TEST_false(EVP_PKEY_get_utf8_string_param(pkeyparam, + OSSL_PKEY_PARAM_GROUP_NAME, name, sizeof(name), + &name_len))) + goto err; + + /* The encoding should be explicit as it has no group */ + if (!TEST_true(EVP_PKEY_get_utf8_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_ENCODING, + name, sizeof(name), &name_len)) + || !TEST_str_eq(name, OSSL_PKEY_EC_ENCODING_EXPLICIT)) + goto err; + + if (!TEST_true(EVP_PKEY_get_utf8_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_FIELD_TYPE, name, sizeof(name), + &name_len)) + || !TEST_str_eq(name, field_name)) + goto err; + + if (!TEST_true(EVP_PKEY_get_octet_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_GENERATOR, buf, sizeof(buf), &buf_len)) + || !TEST_mem_eq(buf, (int)buf_len, gen, gen_size)) + goto err; + + if (!TEST_true(EVP_PKEY_get_bn_param(pkeyparam, OSSL_PKEY_PARAM_EC_P, &p_out)) + || !TEST_BN_eq(p_out, p) + || !TEST_true(EVP_PKEY_get_bn_param(pkeyparam, OSSL_PKEY_PARAM_EC_A, + &a_out)) + || !TEST_BN_eq(a_out, a) + || !TEST_true(EVP_PKEY_get_bn_param(pkeyparam, OSSL_PKEY_PARAM_EC_B, + &b_out)) + || !TEST_BN_eq(b_out, b) + || !TEST_true(EVP_PKEY_get_bn_param(pkeyparam, OSSL_PKEY_PARAM_EC_ORDER, + &order_out)) + || !TEST_BN_eq(order_out, EC_GROUP_get0_order(group))) + goto err; + + if (EC_GROUP_get0_cofactor(group) != NULL) { + if (!TEST_true(EVP_PKEY_get_bn_param(pkeyparam, + OSSL_PKEY_PARAM_EC_COFACTOR, &cofactor_out)) + || !TEST_BN_eq(cofactor_out, EC_GROUP_get0_cofactor(group))) + goto err; + } + if (EC_GROUP_get0_seed(group) != NULL) { + if (!TEST_true(EVP_PKEY_get_octet_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_SEED, buf, sizeof(buf), &buf_len)) + || !TEST_mem_eq(buf, buf_len, EC_GROUP_get0_seed(group), + EC_GROUP_get_seed_len(group))) + goto err; + } + + if (EC_GROUP_get_field_type(group) == NID_X9_62_prime_field) { + /* No extra fields should be set for a prime field */ + if (!TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_M, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, &i_out)) + || !TEST_false(EVP_PKEY_get_utf8_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_TYPE, name, sizeof(name), + &name_len))) + goto err; + } else { +#ifndef OPENSSL_NO_EC2M + if (!TEST_true(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_M, &i_out)) + || !TEST_int_eq(EC_GROUP_get_degree(group), i_out) + || !TEST_true(EVP_PKEY_get_utf8_string_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_TYPE, name, sizeof(name), + &name_len)) + || !TEST_str_eq(name, basis_name)) + goto err; + + if (EC_GROUP_get_basis_type(group) == NID_X9_62_tpBasis) { + if (!TEST_true(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, &i_out)) + || !TEST_int_eq(k1, i_out) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, &i_out)) + || !TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, &i_out))) + goto err; + } else { + if (!TEST_false(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS, &i_out)) + || !TEST_true(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K1, &i_out)) + || !TEST_int_eq(k1, i_out) + || !TEST_true(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K2, &i_out)) + || !TEST_int_eq(k2, i_out) + || !TEST_true(EVP_PKEY_get_int_param(pkeyparam, + OSSL_PKEY_PARAM_EC_CHAR2_PP_K3, &i_out)) + || !TEST_int_eq(k3, i_out)) + goto err; + } +#endif /* OPENSSL_NO_EC2M */ + } + if (!TEST_ptr(gettable = EVP_PKEY_gettable_params(pkeyparam)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_GROUP_NAME)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_ENCODING)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_FIELD_TYPE)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_P)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_A)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_B)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_GENERATOR)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_ORDER)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_COFACTOR)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_SEED)) +#ifndef OPENSSL_NO_EC2M + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_M)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_TYPE)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_TP_BASIS)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_PP_K1)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_PP_K2)) + || !TEST_ptr(OSSL_PARAM_locate_const(gettable, OSSL_PKEY_PARAM_EC_CHAR2_PP_K3)) +#endif + ) + goto err; + ret = 1; +err: + BN_free(order_out); + BN_free(cofactor_out); + BN_free(a_out); + BN_free(b_out); + BN_free(p_out); + OSSL_PARAM_free(params); + OSSL_PARAM_BLD_free(bld); + EVP_PKEY_free(pkeyparam); + EVP_PKEY_CTX_free(pctx); + return ret; +} + +/* + * check the EC_METHOD respects the supplied EC_GROUP_set_generator G + */ +static int custom_generator_test(int id) +{ + int ret = 0, nid, bsize; + EC_GROUP *group = NULL; + EC_POINT *G2 = NULL, *Q1 = NULL, *Q2 = NULL; + BN_CTX *ctx = NULL; + BIGNUM *k = NULL; + unsigned char *b1 = NULL, *b2 = NULL; + + /* Do some setup */ + nid = curves[id].nid; + TEST_note("Curve %s", OBJ_nid2sn(nid)); + if (!TEST_ptr(ctx = BN_CTX_new())) + return 0; + + BN_CTX_start(ctx); + + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) + goto err; + + /* expected byte length of encoded points */ + bsize = (EC_GROUP_get_degree(group) + 7) / 8; + bsize = 1 + 2 * bsize; /* UNCOMPRESSED_POINT format */ + + if (!TEST_ptr(k = BN_CTX_get(ctx)) + /* fetch a testing scalar k != 0,1 */ + || !TEST_true(BN_rand(k, EC_GROUP_order_bits(group) - 1, + BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY)) + /* make k even */ + || !TEST_true(BN_clear_bit(k, 0)) + || !TEST_ptr(G2 = EC_POINT_new(group)) + || !TEST_ptr(Q1 = EC_POINT_new(group)) + /* Q1 := kG */ + || !TEST_true(EC_POINT_mul(group, Q1, k, NULL, NULL, ctx)) + /* pull out the bytes of that */ + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, NULL, + 0, ctx), bsize) + || !TEST_ptr(b1 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, b1, + bsize, ctx), bsize) + /* new generator is G2 := 2G */ + || !TEST_true(EC_POINT_dbl(group, G2, EC_GROUP_get0_generator(group), + ctx)) + || !TEST_true(EC_GROUP_set_generator(group, G2, + EC_GROUP_get0_order(group), + EC_GROUP_get0_cofactor(group))) + || !TEST_ptr(Q2 = EC_POINT_new(group)) + || !TEST_true(BN_rshift1(k, k)) + /* Q2 := k/2 G2 */ + || !TEST_true(EC_POINT_mul(group, Q2, k, NULL, NULL, ctx)) + || !TEST_int_eq(EC_POINT_point2oct(group, Q2, + POINT_CONVERSION_UNCOMPRESSED, NULL, + 0, ctx), bsize) + || !TEST_ptr(b2 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(group, Q2, + POINT_CONVERSION_UNCOMPRESSED, b2, + bsize, ctx), bsize) + /* Q1 = kG = k/2 G2 = Q2 should hold */ + || !TEST_mem_eq(b1, bsize, b2, bsize)) + goto err; + + if (!do_test_custom_explicit_fromdata(group, ctx, b1, bsize)) + goto err; + + ret = 1; + + err: + EC_POINT_free(Q1); + EC_POINT_free(Q2); + EC_POINT_free(G2); + EC_GROUP_free(group); + BN_CTX_end(ctx); + BN_CTX_free(ctx); + OPENSSL_free(b1); + OPENSSL_free(b2); + + return ret; +} + +/* + * check creation of curves from explicit params through the public API + */ +static int custom_params_test(int id) +{ + int ret = 0, nid, bsize; + const char *curve_name = NULL; + EC_GROUP *group = NULL, *altgroup = NULL; + EC_POINT *G2 = NULL, *Q1 = NULL, *Q2 = NULL; + const EC_POINT *Q = NULL; + BN_CTX *ctx = NULL; + BIGNUM *k = NULL; + unsigned char *buf1 = NULL, *buf2 = NULL; + const BIGNUM *z = NULL, *cof = NULL, *priv1 = NULL; + BIGNUM *p = NULL, *a = NULL, *b = NULL; + int is_prime = 0; + EC_KEY *eckey1 = NULL, *eckey2 = NULL; + EVP_PKEY *pkey1 = NULL, *pkey2 = NULL; + EVP_PKEY_CTX *pctx1 = NULL, *pctx2 = NULL; + size_t sslen, t; + unsigned char *pub1 = NULL , *pub2 = NULL; + OSSL_PARAM_BLD *param_bld = NULL; + OSSL_PARAM *params1 = NULL, *params2 = NULL; + + /* Do some setup */ + nid = curves[id].nid; + curve_name = OBJ_nid2sn(nid); + TEST_note("Curve %s", curve_name); + + if (nid == NID_sm2) + return TEST_skip("custom params not supported with SM2"); + + if (!TEST_ptr(ctx = BN_CTX_new())) + return 0; + + if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) + goto err; + + is_prime = EC_GROUP_get_field_type(group) == NID_X9_62_prime_field; +#ifdef OPENSSL_NO_EC2M + if (!is_prime) { + ret = TEST_skip("binary curves not supported in this build"); + goto err; + } +#endif + + BN_CTX_start(ctx); + if (!TEST_ptr(p = BN_CTX_get(ctx)) + || !TEST_ptr(a = BN_CTX_get(ctx)) + || !TEST_ptr(b = BN_CTX_get(ctx)) + || !TEST_ptr(k = BN_CTX_get(ctx))) + goto err; + + /* expected byte length of encoded points */ + bsize = (EC_GROUP_get_degree(group) + 7) / 8; + bsize = 1 + 2 * bsize; /* UNCOMPRESSED_POINT format */ + + /* extract parameters from built-in curve */ + if (!TEST_true(EC_GROUP_get_curve(group, p, a, b, ctx)) + || !TEST_ptr(G2 = EC_POINT_new(group)) + /* new generator is G2 := 2G */ + || !TEST_true(EC_POINT_dbl(group, G2, + EC_GROUP_get0_generator(group), ctx)) + /* pull out the bytes of that */ + || !TEST_int_eq(EC_POINT_point2oct(group, G2, + POINT_CONVERSION_UNCOMPRESSED, + NULL, 0, ctx), bsize) + || !TEST_ptr(buf1 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(group, G2, + POINT_CONVERSION_UNCOMPRESSED, + buf1, bsize, ctx), bsize) + || !TEST_ptr(z = EC_GROUP_get0_order(group)) + || !TEST_ptr(cof = EC_GROUP_get0_cofactor(group)) + ) + goto err; + + /* create a new group using same params (but different generator) */ + if (is_prime) { + if (!TEST_ptr(altgroup = EC_GROUP_new_curve_GFp(p, a, b, ctx))) + goto err; + } +#ifndef OPENSSL_NO_EC2M + else { + if (!TEST_ptr(altgroup = EC_GROUP_new_curve_GF2m(p, a, b, ctx))) + goto err; + } +#endif + + /* set 2*G as the generator of altgroup */ + EC_POINT_free(G2); /* discard G2 as it refers to the original group */ + if (!TEST_ptr(G2 = EC_POINT_new(altgroup)) + || !TEST_true(EC_POINT_oct2point(altgroup, G2, buf1, bsize, ctx)) + || !TEST_int_eq(EC_POINT_is_on_curve(altgroup, G2, ctx), 1) + || !TEST_true(EC_GROUP_set_generator(altgroup, G2, z, cof)) + ) + goto err; + + /* verify math checks out */ + if (/* allocate temporary points on group and altgroup */ + !TEST_ptr(Q1 = EC_POINT_new(group)) + || !TEST_ptr(Q2 = EC_POINT_new(altgroup)) + /* fetch a testing scalar k != 0,1 */ + || !TEST_true(BN_rand(k, EC_GROUP_order_bits(group) - 1, + BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY)) + /* make k even */ + || !TEST_true(BN_clear_bit(k, 0)) + /* Q1 := kG on group */ + || !TEST_true(EC_POINT_mul(group, Q1, k, NULL, NULL, ctx)) + /* pull out the bytes of that */ + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, + NULL, 0, ctx), bsize) + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, + buf1, bsize, ctx), bsize) + /* k := k/2 */ + || !TEST_true(BN_rshift1(k, k)) + /* Q2 := k/2 G2 on altgroup */ + || !TEST_true(EC_POINT_mul(altgroup, Q2, k, NULL, NULL, ctx)) + /* pull out the bytes of that */ + || !TEST_int_eq(EC_POINT_point2oct(altgroup, Q2, + POINT_CONVERSION_UNCOMPRESSED, + NULL, 0, ctx), bsize) + || !TEST_ptr(buf2 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(altgroup, Q2, + POINT_CONVERSION_UNCOMPRESSED, + buf2, bsize, ctx), bsize) + /* Q1 = kG = k/2 G2 = Q2 should hold */ + || !TEST_mem_eq(buf1, bsize, buf2, bsize)) + goto err; + + /* create two `EC_KEY`s on altgroup */ + if (!TEST_ptr(eckey1 = EC_KEY_new()) + || !TEST_true(EC_KEY_set_group(eckey1, altgroup)) + || !TEST_true(EC_KEY_generate_key(eckey1)) + || !TEST_ptr(eckey2 = EC_KEY_new()) + || !TEST_true(EC_KEY_set_group(eckey2, altgroup)) + || !TEST_true(EC_KEY_generate_key(eckey2))) + goto err; + + /* retrieve priv1 for later */ + if (!TEST_ptr(priv1 = EC_KEY_get0_private_key(eckey1))) + goto err; + + /* + * retrieve bytes for pub1 for later + * + * We compute the pub key in the original group as we will later use it to + * define a provider key in the built-in group. + */ + if (!TEST_true(EC_POINT_mul(group, Q1, priv1, NULL, NULL, ctx)) + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, + NULL, 0, ctx), bsize) + || !TEST_ptr(pub1 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(group, Q1, + POINT_CONVERSION_UNCOMPRESSED, + pub1, bsize, ctx), bsize)) + goto err; + + /* retrieve bytes for pub2 for later */ + if (!TEST_ptr(Q = EC_KEY_get0_public_key(eckey2)) + || !TEST_int_eq(EC_POINT_point2oct(altgroup, Q, + POINT_CONVERSION_UNCOMPRESSED, + NULL, 0, ctx), bsize) + || !TEST_ptr(pub2 = OPENSSL_malloc(bsize)) + || !TEST_int_eq(EC_POINT_point2oct(altgroup, Q, + POINT_CONVERSION_UNCOMPRESSED, + pub2, bsize, ctx), bsize)) + goto err; + + /* create two `EVP_PKEY`s from the `EC_KEY`s */ + if(!TEST_ptr(pkey1 = EVP_PKEY_new()) + || !TEST_int_eq(EVP_PKEY_assign_EC_KEY(pkey1, eckey1), 1)) + goto err; + eckey1 = NULL; /* ownership passed to pkey1 */ + if(!TEST_ptr(pkey2 = EVP_PKEY_new()) + || !TEST_int_eq(EVP_PKEY_assign_EC_KEY(pkey2, eckey2), 1)) + goto err; + eckey2 = NULL; /* ownership passed to pkey2 */ + + /* Compute keyexchange in both directions */ + if (!TEST_ptr(pctx1 = EVP_PKEY_CTX_new(pkey1, NULL)) + || !TEST_int_eq(EVP_PKEY_derive_init(pctx1), 1) + || !TEST_int_eq(EVP_PKEY_derive_set_peer(pctx1, pkey2), 1) + || !TEST_int_eq(EVP_PKEY_derive(pctx1, NULL, &sslen), 1) + || !TEST_int_gt(bsize, sslen) + || !TEST_int_eq(EVP_PKEY_derive(pctx1, buf1, &sslen), 1)) + goto err; + if (!TEST_ptr(pctx2 = EVP_PKEY_CTX_new(pkey2, NULL)) + || !TEST_int_eq(EVP_PKEY_derive_init(pctx2), 1) + || !TEST_int_eq(EVP_PKEY_derive_set_peer(pctx2, pkey1), 1) + || !TEST_int_eq(EVP_PKEY_derive(pctx2, NULL, &t), 1) + || !TEST_int_gt(bsize, t) + || !TEST_int_le(sslen, t) + || !TEST_int_eq(EVP_PKEY_derive(pctx2, buf2, &t), 1)) + goto err; + + /* Both sides should expect the same shared secret */ + if (!TEST_mem_eq(buf1, sslen, buf2, t)) + goto err; + + /* Build parameters for provider-native keys */ + if (!TEST_ptr(param_bld = OSSL_PARAM_BLD_new()) + || !TEST_true(OSSL_PARAM_BLD_push_utf8_string(param_bld, + OSSL_PKEY_PARAM_GROUP_NAME, + curve_name, 0)) + || !TEST_true(OSSL_PARAM_BLD_push_octet_string(param_bld, + OSSL_PKEY_PARAM_PUB_KEY, + pub1, bsize)) + || !TEST_true(OSSL_PARAM_BLD_push_BN(param_bld, + OSSL_PKEY_PARAM_PRIV_KEY, + priv1)) + || !TEST_ptr(params1 = OSSL_PARAM_BLD_to_param(param_bld))) + goto err; + + OSSL_PARAM_BLD_free(param_bld); + if (!TEST_ptr(param_bld = OSSL_PARAM_BLD_new()) + || !TEST_true(OSSL_PARAM_BLD_push_utf8_string(param_bld, + OSSL_PKEY_PARAM_GROUP_NAME, + curve_name, 0)) + || !TEST_true(OSSL_PARAM_BLD_push_octet_string(param_bld, + OSSL_PKEY_PARAM_PUB_KEY, + pub2, bsize)) + || !TEST_ptr(params2 = OSSL_PARAM_BLD_to_param(param_bld))) + goto err; + + /* create two new provider-native `EVP_PKEY`s */ + EVP_PKEY_CTX_free(pctx2); + if (!TEST_ptr(pctx2 = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) + || !TEST_true(EVP_PKEY_fromdata_init(pctx2)) + || !TEST_true(EVP_PKEY_fromdata(pctx2, &pkey1, EVP_PKEY_KEYPAIR, + params1)) + || !TEST_true(EVP_PKEY_fromdata(pctx2, &pkey2, EVP_PKEY_PUBLIC_KEY, + params2))) + goto err; + + /* compute keyexchange once more using the provider keys */ + EVP_PKEY_CTX_free(pctx1); + if (!TEST_ptr(pctx1 = EVP_PKEY_CTX_new(pkey1, NULL)) + || !TEST_int_eq(EVP_PKEY_derive_init(pctx1), 1) + || !TEST_int_eq(EVP_PKEY_derive_set_peer(pctx1, pkey2), 1) + || !TEST_int_eq(EVP_PKEY_derive(pctx1, NULL, &t), 1) + || !TEST_int_gt(bsize, t) + || !TEST_int_le(sslen, t) + || !TEST_int_eq(EVP_PKEY_derive(pctx1, buf1, &t), 1) + /* compare with previous result */ + || !TEST_mem_eq(buf1, t, buf2, sslen)) + goto err; + + ret = 1; + + err: + BN_CTX_end(ctx); + BN_CTX_free(ctx); + OSSL_PARAM_BLD_free(param_bld); + OSSL_PARAM_free(params1); + OSSL_PARAM_free(params2); + EC_POINT_free(Q1); + EC_POINT_free(Q2); + EC_POINT_free(G2); + EC_GROUP_free(group); + EC_GROUP_free(altgroup); + OPENSSL_free(buf1); + OPENSSL_free(buf2); + OPENSSL_free(pub1); + OPENSSL_free(pub2); + EC_KEY_free(eckey1); + EC_KEY_free(eckey2); + EVP_PKEY_free(pkey1); + EVP_PKEY_free(pkey2); + EVP_PKEY_CTX_free(pctx1); + EVP_PKEY_CTX_free(pctx2); + + return ret; +} + +int setup_tests(void) +{ + crv_len = EC_get_builtin_curves(NULL, 0); + if (!TEST_ptr(curves = OPENSSL_malloc(sizeof(*curves) * crv_len)) + || !TEST_true(EC_get_builtin_curves(curves, crv_len))) + return 0; + + ADD_TEST(parameter_test); + ADD_TEST(cofactor_range_test); + ADD_ALL_TESTS(cardinality_test, crv_len); + ADD_TEST(prime_field_tests); +#ifndef OPENSSL_NO_EC2M + ADD_TEST(char2_field_tests); + ADD_ALL_TESTS(char2_curve_test, OSSL_NELEM(char2_curve_tests)); +#endif + ADD_ALL_TESTS(nistp_single_test, OSSL_NELEM(nistp_tests_params)); + ADD_ALL_TESTS(internal_curve_test, crv_len); + ADD_ALL_TESTS(internal_curve_test_method, crv_len); + ADD_TEST(group_field_test); + ADD_ALL_TESTS(check_named_curve_test, crv_len); + ADD_ALL_TESTS(check_named_curve_lookup_test, crv_len); + ADD_ALL_TESTS(check_ec_key_field_public_range_test, crv_len); + ADD_ALL_TESTS(check_named_curve_from_ecparameters, crv_len); + ADD_ALL_TESTS(ec_point_hex2point_test, crv_len); + /* ADD_ALL_TESTS(custom_generator_test, crv_len); + ADD_ALL_TESTS(custom_params_test, crv_len); */ + return 1; +} + +void cleanup_tests(void) +{ + OPENSSL_free(curves); +} diff --git a/genpatches b/genpatches new file mode 100755 index 0000000000000000000000000000000000000000..60c36a477d2542d00682a3fef7452c0a26a9ce4c --- /dev/null +++ b/genpatches @@ -0,0 +1,26 @@ +#!/bin/bash + +if [ $# -ne 2 ] ; then + echo "Usage:" + echo " $0 " + exit 1 +fi + +git_dir="$1" +base_tag="$2" + +target_dir="$(pwd)" + +pushd "$git_dir" >/dev/null +git format-patch -k -o "$target_dir" "$base_tag" >/dev/null +popd >/dev/null + +echo "# Patches exported from source git" + +i=1 +for p in *.patch ; do + printf "# " + sed '/^Subject:/{s/^Subject: //;p};d' "$p" + printf "Patch%s: %s\n" $i "$p" + i=$(($i + 1)) +done diff --git a/hobble-openssl b/hobble-openssl new file mode 100755 index 0000000000000000000000000000000000000000..9a23ca6f4cacb06025e0d398a5067a18056beff2 --- /dev/null +++ b/hobble-openssl @@ -0,0 +1,40 @@ +#!/bin/sh + +# Quit out if anything fails. +set -e + +# Clean out patent-or-otherwise-encumbered code. +# MDC-2: 4,908,861 13/03/2007 - expired, we do not remove it but do not enable it anyway +# IDEA: 5,214,703 07/01/2012 - expired, we do not remove it anymore +# RC5: 5,724,428 01/11/2015 - expired, we do not remove it anymore +# EC: ????????? ??/??/2020 +# SRP: ????????? ??/??/2017 - expired, we do not remove it anymore + +# Remove assembler portions of IDEA, MDC2, and RC5. +# (find crypto/rc5/asm -type f | xargs -r rm -fv) + +for c in `find crypto/bn -name "*gf2m.c"`; do + echo Destroying $c + > $c +done + +for c in `find crypto/ec -name "ec2*.c" -o -name "ec_curve.c"`; do + echo Destroying $c + > $c +done + +for c in `find test -name "ectest.c"`; do + echo Destroying $c + > $c +done + +for h in `find crypto ssl apps test -name "*.h"` ; do + echo Removing EC2M references from $h + cat $h | \ + awk 'BEGIN {ech=1;} \ + /^#[ \t]*ifndef.*NO_EC2M/ {ech--; next;} \ + /^#[ \t]*if/ {if(ech < 1) ech--;} \ + {if(ech>0) {;print $0};} \ + /^#[ \t]*endif/ {if(ech < 1) ech++;}' > $h.hobbled && \ + mv $h.hobbled $h +done diff --git a/make-dummy-cert b/make-dummy-cert new file mode 100755 index 0000000000000000000000000000000000000000..f5f04535794703a747c539ed22f11386e06ce0b7 --- /dev/null +++ b/make-dummy-cert @@ -0,0 +1,28 @@ +#!/bin/sh +umask 077 + +answers() { + echo -- + echo SomeState + echo SomeCity + echo SomeOrganization + echo SomeOrganizationalUnit + echo localhost.localdomain + echo root@localhost.localdomain +} + +if [ $# -eq 0 ] ; then + echo $"Usage: `basename $0` filename [...]" + exit 0 +fi + +for target in $@ ; do + PEM1=`/bin/mktemp /tmp/openssl.XXXXXX` + PEM2=`/bin/mktemp /tmp/openssl.XXXXXX` + trap "rm -f $PEM1 $PEM2" SIGINT + answers | /usr/bin/openssl req -newkey rsa:2048 -keyout $PEM1 -nodes -x509 -days 365 -out $PEM2 2> /dev/null + cat $PEM1 > ${target} + echo "" >> ${target} + cat $PEM2 >> ${target} + rm -f $PEM1 $PEM2 +done diff --git a/renew-dummy-cert b/renew-dummy-cert new file mode 100755 index 0000000000000000000000000000000000000000..92e271caea664c586a03d388ac03a25e82e8d768 --- /dev/null +++ b/renew-dummy-cert @@ -0,0 +1,39 @@ +#!/bin/bash + +if [ $# -eq 0 ]; then + echo $"Usage: `basename $0` filename" 1>&2 + exit 1 +fi + +PEM=$1 +REQ=`/bin/mktemp /tmp/openssl.XXXXXX` +KEY=`/bin/mktemp /tmp/openssl.XXXXXX` +CRT=`/bin/mktemp /tmp/openssl.XXXXXX` +NEW=${PEM}_ + +trap "rm -f $REQ $KEY $CRT $NEW" SIGINT + +if [ ! -f $PEM ]; then + echo "$PEM: file not found" 1>&2 + exit 1 +fi + +umask 077 + +OWNER=`ls -l $PEM | awk '{ printf "%s.%s", $3, $4; }'` + +openssl rsa -inform pem -in $PEM -out $KEY +openssl x509 -x509toreq -in $PEM -signkey $KEY -out $REQ +openssl x509 -req -in $REQ -signkey $KEY -days 365 \ + -extfile /etc/pki/tls/openssl.cnf -extensions v3_ca -out $CRT + +(cat $KEY ; echo "" ; cat $CRT) > $NEW + +chown $OWNER $NEW + +mv -f $NEW $PEM + +rm -f $REQ $KEY $CRT + +exit 0 +