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Diffstat (limited to 'test/ecdhtest.c')
-rw-r--r-- | test/ecdhtest.c | 537 |
1 files changed, 537 insertions, 0 deletions
diff --git a/test/ecdhtest.c b/test/ecdhtest.c new file mode 100644 index 0000000000..a89177e435 --- /dev/null +++ b/test/ecdhtest.c @@ -0,0 +1,537 @@ +/* crypto/ecdh/ecdhtest.c */ +/* ==================================================================== + * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. + * + * The Elliptic Curve Public-Key Crypto Library (ECC Code) included + * herein is developed by SUN MICROSYSTEMS, INC., and is contributed + * to the OpenSSL project. + * + * The ECC Code is licensed pursuant to the OpenSSL open source + * license provided below. + * + * The ECDH software is originally written by Douglas Stebila of + * Sun Microsystems Laboratories. + * + */ +/* ==================================================================== + * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../e_os.h" + +#include <openssl/opensslconf.h> /* for OPENSSL_NO_EC */ +#include <openssl/crypto.h> +#include <openssl/bio.h> +#include <openssl/bn.h> +#include <openssl/objects.h> +#include <openssl/rand.h> +#include <openssl/sha.h> +#include <openssl/err.h> + +#ifdef OPENSSL_NO_EC +int main(int argc, char *argv[]) +{ + printf("No ECDH support\n"); + return (0); +} +#else +# include <openssl/ec.h> +# include <openssl/ecdh.h> + +static const char rnd_seed[] = + "string to make the random number generator think it has entropy"; + +static const int KDF1_SHA1_len = 20; +static void *KDF1_SHA1(const void *in, size_t inlen, void *out, + size_t *outlen) +{ + if (*outlen < SHA_DIGEST_LENGTH) + return NULL; + *outlen = SHA_DIGEST_LENGTH; + return SHA1(in, inlen, out); +} + +static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) +{ + EC_KEY *a = NULL; + EC_KEY *b = NULL; + BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL; + char buf[12]; + unsigned char *abuf = NULL, *bbuf = NULL; + int i, alen, blen, aout, bout, ret = 0; + const EC_GROUP *group; + + a = EC_KEY_new_by_curve_name(nid); + b = EC_KEY_new_by_curve_name(nid); + if (a == NULL || b == NULL) + goto err; + + group = EC_KEY_get0_group(a); + + if ((x_a = BN_new()) == NULL) + goto err; + if ((y_a = BN_new()) == NULL) + goto err; + if ((x_b = BN_new()) == NULL) + goto err; + if ((y_b = BN_new()) == NULL) + goto err; + + BIO_puts(out, "Testing key generation with "); + BIO_puts(out, text); +# ifdef NOISY + BIO_puts(out, "\n"); +# else + (void)BIO_flush(out); +# endif + + if (!EC_KEY_generate_key(a)) + goto err; + + if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == + NID_X9_62_prime_field) { + if (!EC_POINT_get_affine_coordinates_GFp + (group, EC_KEY_get0_public_key(a), x_a, y_a, ctx)) + goto err; + } +# ifndef OPENSSL_NO_EC2M + else { + if (!EC_POINT_get_affine_coordinates_GF2m(group, + EC_KEY_get0_public_key(a), + x_a, y_a, ctx)) + goto err; + } +# endif +# ifdef NOISY + BIO_puts(out, " pri 1="); + BN_print(out, a->priv_key); + BIO_puts(out, "\n pub 1="); + BN_print(out, x_a); + BIO_puts(out, ","); + BN_print(out, y_a); + BIO_puts(out, "\n"); +# else + BIO_printf(out, " ."); + (void)BIO_flush(out); +# endif + + if (!EC_KEY_generate_key(b)) + goto err; + + if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == + NID_X9_62_prime_field) { + if (!EC_POINT_get_affine_coordinates_GFp + (group, EC_KEY_get0_public_key(b), x_b, y_b, ctx)) + goto err; + } +# ifndef OPENSSL_NO_EC2M + else { + if (!EC_POINT_get_affine_coordinates_GF2m(group, + EC_KEY_get0_public_key(b), + x_b, y_b, ctx)) + goto err; + } +# endif + +# ifdef NOISY + BIO_puts(out, " pri 2="); + BN_print(out, b->priv_key); + BIO_puts(out, "\n pub 2="); + BN_print(out, x_b); + BIO_puts(out, ","); + BN_print(out, y_b); + BIO_puts(out, "\n"); +# else + BIO_printf(out, "."); + (void)BIO_flush(out); +# endif + + alen = KDF1_SHA1_len; + abuf = (unsigned char *)OPENSSL_malloc(alen); + aout = + ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1); + +# ifdef NOISY + BIO_puts(out, " key1 ="); + for (i = 0; i < aout; i++) { + sprintf(buf, "%02X", abuf[i]); + BIO_puts(out, buf); + } + BIO_puts(out, "\n"); +# else + BIO_printf(out, "."); + (void)BIO_flush(out); +# endif + + blen = KDF1_SHA1_len; + bbuf = (unsigned char *)OPENSSL_malloc(blen); + bout = + ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1); + +# ifdef NOISY + BIO_puts(out, " key2 ="); + for (i = 0; i < bout; i++) { + sprintf(buf, "%02X", bbuf[i]); + BIO_puts(out, buf); + } + BIO_puts(out, "\n"); +# else + BIO_printf(out, "."); + (void)BIO_flush(out); +# endif + + if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) { +# ifndef NOISY + BIO_printf(out, " failed\n\n"); + BIO_printf(out, "key a:\n"); + BIO_printf(out, "private key: "); + BN_print(out, EC_KEY_get0_private_key(a)); + BIO_printf(out, "\n"); + BIO_printf(out, "public key (x,y): "); + BN_print(out, x_a); + BIO_printf(out, ","); + BN_print(out, y_a); + BIO_printf(out, "\nkey b:\n"); + BIO_printf(out, "private key: "); + BN_print(out, EC_KEY_get0_private_key(b)); + BIO_printf(out, "\n"); + BIO_printf(out, "public key (x,y): "); + BN_print(out, x_b); + BIO_printf(out, ","); + BN_print(out, y_b); + BIO_printf(out, "\n"); + BIO_printf(out, "generated key a: "); + for (i = 0; i < bout; i++) { + sprintf(buf, "%02X", bbuf[i]); + BIO_puts(out, buf); + } + BIO_printf(out, "\n"); + BIO_printf(out, "generated key b: "); + for (i = 0; i < aout; i++) { + sprintf(buf, "%02X", abuf[i]); + BIO_puts(out, buf); + } + BIO_printf(out, "\n"); +# endif + fprintf(stderr, "Error in ECDH routines\n"); + ret = 0; + } else { +# ifndef NOISY + BIO_printf(out, " ok\n"); +# endif + ret = 1; + } + err: + ERR_print_errors_fp(stderr); + + if (abuf != NULL) + OPENSSL_free(abuf); + if (bbuf != NULL) + OPENSSL_free(bbuf); + if (x_a) + BN_free(x_a); + if (y_a) + BN_free(y_a); + if (x_b) + BN_free(x_b); + if (y_b) + BN_free(y_b); + EC_KEY_free(b); + EC_KEY_free(a); + return (ret); +} + +/* Keys and shared secrets from RFC 7027 */ + +static const unsigned char bp256_da[] = { + 0x81, 0xDB, 0x1E, 0xE1, 0x00, 0x15, 0x0F, 0xF2, 0xEA, 0x33, 0x8D, 0x70, + 0x82, 0x71, 0xBE, 0x38, 0x30, 0x0C, 0xB5, 0x42, 0x41, 0xD7, 0x99, 0x50, + 0xF7, 0x7B, 0x06, 0x30, 0x39, 0x80, 0x4F, 0x1D +}; + +static const unsigned char bp256_db[] = { + 0x55, 0xE4, 0x0B, 0xC4, 0x1E, 0x37, 0xE3, 0xE2, 0xAD, 0x25, 0xC3, 0xC6, + 0x65, 0x45, 0x11, 0xFF, 0xA8, 0x47, 0x4A, 0x91, 0xA0, 0x03, 0x20, 0x87, + 0x59, 0x38, 0x52, 0xD3, 0xE7, 0xD7, 0x6B, 0xD3 +}; + +static const unsigned char bp256_Z[] = { + 0x89, 0xAF, 0xC3, 0x9D, 0x41, 0xD3, 0xB3, 0x27, 0x81, 0x4B, 0x80, 0x94, + 0x0B, 0x04, 0x25, 0x90, 0xF9, 0x65, 0x56, 0xEC, 0x91, 0xE6, 0xAE, 0x79, + 0x39, 0xBC, 0xE3, 0x1F, 0x3A, 0x18, 0xBF, 0x2B +}; + +static const unsigned char bp384_da[] = { + 0x1E, 0x20, 0xF5, 0xE0, 0x48, 0xA5, 0x88, 0x6F, 0x1F, 0x15, 0x7C, 0x74, + 0xE9, 0x1B, 0xDE, 0x2B, 0x98, 0xC8, 0xB5, 0x2D, 0x58, 0xE5, 0x00, 0x3D, + 0x57, 0x05, 0x3F, 0xC4, 0xB0, 0xBD, 0x65, 0xD6, 0xF1, 0x5E, 0xB5, 0xD1, + 0xEE, 0x16, 0x10, 0xDF, 0x87, 0x07, 0x95, 0x14, 0x36, 0x27, 0xD0, 0x42 +}; + +static const unsigned char bp384_db[] = { + 0x03, 0x26, 0x40, 0xBC, 0x60, 0x03, 0xC5, 0x92, 0x60, 0xF7, 0x25, 0x0C, + 0x3D, 0xB5, 0x8C, 0xE6, 0x47, 0xF9, 0x8E, 0x12, 0x60, 0xAC, 0xCE, 0x4A, + 0xCD, 0xA3, 0xDD, 0x86, 0x9F, 0x74, 0xE0, 0x1F, 0x8B, 0xA5, 0xE0, 0x32, + 0x43, 0x09, 0xDB, 0x6A, 0x98, 0x31, 0x49, 0x7A, 0xBA, 0xC9, 0x66, 0x70 +}; + +static const unsigned char bp384_Z[] = { + 0x0B, 0xD9, 0xD3, 0xA7, 0xEA, 0x0B, 0x3D, 0x51, 0x9D, 0x09, 0xD8, 0xE4, + 0x8D, 0x07, 0x85, 0xFB, 0x74, 0x4A, 0x6B, 0x35, 0x5E, 0x63, 0x04, 0xBC, + 0x51, 0xC2, 0x29, 0xFB, 0xBC, 0xE2, 0x39, 0xBB, 0xAD, 0xF6, 0x40, 0x37, + 0x15, 0xC3, 0x5D, 0x4F, 0xB2, 0xA5, 0x44, 0x4F, 0x57, 0x5D, 0x4F, 0x42 +}; + +static const unsigned char bp512_da[] = { + 0x16, 0x30, 0x2F, 0xF0, 0xDB, 0xBB, 0x5A, 0x8D, 0x73, 0x3D, 0xAB, 0x71, + 0x41, 0xC1, 0xB4, 0x5A, 0xCB, 0xC8, 0x71, 0x59, 0x39, 0x67, 0x7F, 0x6A, + 0x56, 0x85, 0x0A, 0x38, 0xBD, 0x87, 0xBD, 0x59, 0xB0, 0x9E, 0x80, 0x27, + 0x96, 0x09, 0xFF, 0x33, 0x3E, 0xB9, 0xD4, 0xC0, 0x61, 0x23, 0x1F, 0xB2, + 0x6F, 0x92, 0xEE, 0xB0, 0x49, 0x82, 0xA5, 0xF1, 0xD1, 0x76, 0x4C, 0xAD, + 0x57, 0x66, 0x54, 0x22 +}; + +static const unsigned char bp512_db[] = { + 0x23, 0x0E, 0x18, 0xE1, 0xBC, 0xC8, 0x8A, 0x36, 0x2F, 0xA5, 0x4E, 0x4E, + 0xA3, 0x90, 0x20, 0x09, 0x29, 0x2F, 0x7F, 0x80, 0x33, 0x62, 0x4F, 0xD4, + 0x71, 0xB5, 0xD8, 0xAC, 0xE4, 0x9D, 0x12, 0xCF, 0xAB, 0xBC, 0x19, 0x96, + 0x3D, 0xAB, 0x8E, 0x2F, 0x1E, 0xBA, 0x00, 0xBF, 0xFB, 0x29, 0xE4, 0xD7, + 0x2D, 0x13, 0xF2, 0x22, 0x45, 0x62, 0xF4, 0x05, 0xCB, 0x80, 0x50, 0x36, + 0x66, 0xB2, 0x54, 0x29 +}; + +static const unsigned char bp512_Z[] = { + 0xA7, 0x92, 0x70, 0x98, 0x65, 0x5F, 0x1F, 0x99, 0x76, 0xFA, 0x50, 0xA9, + 0xD5, 0x66, 0x86, 0x5D, 0xC5, 0x30, 0x33, 0x18, 0x46, 0x38, 0x1C, 0x87, + 0x25, 0x6B, 0xAF, 0x32, 0x26, 0x24, 0x4B, 0x76, 0xD3, 0x64, 0x03, 0xC0, + 0x24, 0xD7, 0xBB, 0xF0, 0xAA, 0x08, 0x03, 0xEA, 0xFF, 0x40, 0x5D, 0x3D, + 0x24, 0xF1, 0x1A, 0x9B, 0x5C, 0x0B, 0xEF, 0x67, 0x9F, 0xE1, 0x45, 0x4B, + 0x21, 0xC4, 0xCD, 0x1F +}; + +/* Given private value and NID, create EC_KEY structure */ + +static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen) +{ + int ok = 0; + EC_KEY *k = NULL; + BIGNUM *priv = NULL; + EC_POINT *pub = NULL; + const EC_GROUP *grp; + k = EC_KEY_new_by_curve_name(nid); + if (!k) + goto err; + priv = BN_bin2bn(p, plen, NULL); + if (!priv) + goto err; + if (!EC_KEY_set_private_key(k, priv)) + goto err; + grp = EC_KEY_get0_group(k); + pub = EC_POINT_new(grp); + if (!pub) + goto err; + if (!EC_POINT_mul(grp, pub, priv, NULL, NULL, NULL)) + goto err; + if (!EC_KEY_set_public_key(k, pub)) + goto err; + ok = 1; + err: + if (priv) + BN_clear_free(priv); + EC_POINT_free(pub); + if (ok) + return k; + EC_KEY_free(k); + return NULL; +} + +/* + * Known answer test: compute shared secret and check it matches expected + * value. + */ + +static int ecdh_kat(BIO *out, const char *cname, int nid, + const unsigned char *k1, size_t k1_len, + const unsigned char *k2, size_t k2_len, + const unsigned char *Z, size_t Zlen) +{ + int rv = 0; + EC_KEY *key1 = NULL, *key2 = NULL; + unsigned char *Ztmp = NULL; + size_t Ztmplen; + BIO_puts(out, "Testing ECDH shared secret with "); + BIO_puts(out, cname); + key1 = mk_eckey(nid, k1, k1_len); + key2 = mk_eckey(nid, k2, k2_len); + if (!key1 || !key2) + goto err; + Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8; + if (Ztmplen != Zlen) + goto err; + Ztmp = OPENSSL_malloc(Ztmplen); + if (!ECDH_compute_key(Ztmp, Ztmplen, + EC_KEY_get0_public_key(key2), key1, 0)) + goto err; + if (memcmp(Ztmp, Z, Zlen)) + goto err; + memset(Ztmp, 0, Zlen); + if (!ECDH_compute_key(Ztmp, Ztmplen, + EC_KEY_get0_public_key(key1), key2, 0)) + goto err; + if (memcmp(Ztmp, Z, Zlen)) + goto err; + rv = 1; + err: + EC_KEY_free(key1); + EC_KEY_free(key2); + if (Ztmp) + OPENSSL_free(Ztmp); + if (rv) + BIO_puts(out, " ok\n"); + else { + fprintf(stderr, "Error in ECDH routines\n"); + ERR_print_errors_fp(stderr); + } + return rv; +} + +# define test_ecdh_kat(bio, curve, bits) \ + ecdh_kat(bio, curve, NID_brainpoolP##bits##r1, \ + bp##bits##_da, sizeof(bp##bits##_da), \ + bp##bits##_db, sizeof(bp##bits##_db), \ + bp##bits##_Z, sizeof(bp##bits##_Z)) + +int main(int argc, char *argv[]) +{ + BN_CTX *ctx = NULL; + int ret = 1; + BIO *out; + + CRYPTO_malloc_debug_init(); + CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); + CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); + +# ifdef OPENSSL_SYS_WIN32 + CRYPTO_malloc_init(); +# endif + + RAND_seed(rnd_seed, sizeof rnd_seed); + + out = BIO_new(BIO_s_file()); + if (out == NULL) + EXIT(1); + BIO_set_fp(out, stdout, BIO_NOCLOSE); + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + + /* NIST PRIME CURVES TESTS */ + if (!test_ecdh_curve + (NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) + goto err; + if (!test_ecdh_curve + (NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) + goto err; +# ifndef OPENSSL_NO_EC2M + /* NIST BINARY CURVES TESTS */ + if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) + goto err; + if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) + goto err; +# endif + if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP256r1", 256)) + goto err; + if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP384r1", 384)) + goto err; + if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP512r1", 512)) + goto err; + + ret = 0; + + err: + ERR_print_errors_fp(stderr); + if (ctx) + BN_CTX_free(ctx); + BIO_free(out); + CRYPTO_cleanup_all_ex_data(); + ERR_remove_thread_state(NULL); + CRYPTO_mem_leaks_fp(stderr); + EXIT(ret); +} +#endif |