Add test vectors from RFC7027
(cherry picked from commit 8ba2d4ed7f128e400693562efd35985068c45e4d)
This commit is contained in:
Dr. Stephen Henson
parent
469bcb0c24
commit
a9d0c56de1
@ -300,6 +300,171 @@ err:
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return(ret);
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}
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/* Keys and shared secrets from RFC 7027 */
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static const unsigned char bp256_da[] = {
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0x81,0xDB,0x1E,0xE1,0x00,0x15,0x0F,0xF2,0xEA,0x33,0x8D,0x70,
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0x82,0x71,0xBE,0x38,0x30,0x0C,0xB5,0x42,0x41,0xD7,0x99,0x50,
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0xF7,0x7B,0x06,0x30,0x39,0x80,0x4F,0x1D
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};
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static const unsigned char bp256_db[] = {
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0x55,0xE4,0x0B,0xC4,0x1E,0x37,0xE3,0xE2,0xAD,0x25,0xC3,0xC6,
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0x65,0x45,0x11,0xFF,0xA8,0x47,0x4A,0x91,0xA0,0x03,0x20,0x87,
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0x59,0x38,0x52,0xD3,0xE7,0xD7,0x6B,0xD3
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};
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static const unsigned char bp256_Z[] = {
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0x89,0xAF,0xC3,0x9D,0x41,0xD3,0xB3,0x27,0x81,0x4B,0x80,0x94,
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0x0B,0x04,0x25,0x90,0xF9,0x65,0x56,0xEC,0x91,0xE6,0xAE,0x79,
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0x39,0xBC,0xE3,0x1F,0x3A,0x18,0xBF,0x2B
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};
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static const unsigned char bp384_da[] = {
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0x1E,0x20,0xF5,0xE0,0x48,0xA5,0x88,0x6F,0x1F,0x15,0x7C,0x74,
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0xE9,0x1B,0xDE,0x2B,0x98,0xC8,0xB5,0x2D,0x58,0xE5,0x00,0x3D,
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0x57,0x05,0x3F,0xC4,0xB0,0xBD,0x65,0xD6,0xF1,0x5E,0xB5,0xD1,
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0xEE,0x16,0x10,0xDF,0x87,0x07,0x95,0x14,0x36,0x27,0xD0,0x42
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};
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static const unsigned char bp384_db[] = {
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0x03,0x26,0x40,0xBC,0x60,0x03,0xC5,0x92,0x60,0xF7,0x25,0x0C,
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0x3D,0xB5,0x8C,0xE6,0x47,0xF9,0x8E,0x12,0x60,0xAC,0xCE,0x4A,
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0xCD,0xA3,0xDD,0x86,0x9F,0x74,0xE0,0x1F,0x8B,0xA5,0xE0,0x32,
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0x43,0x09,0xDB,0x6A,0x98,0x31,0x49,0x7A,0xBA,0xC9,0x66,0x70
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};
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static const unsigned char bp384_Z[] = {
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0x0B,0xD9,0xD3,0xA7,0xEA,0x0B,0x3D,0x51,0x9D,0x09,0xD8,0xE4,
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0x8D,0x07,0x85,0xFB,0x74,0x4A,0x6B,0x35,0x5E,0x63,0x04,0xBC,
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0x51,0xC2,0x29,0xFB,0xBC,0xE2,0x39,0xBB,0xAD,0xF6,0x40,0x37,
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0x15,0xC3,0x5D,0x4F,0xB2,0xA5,0x44,0x4F,0x57,0x5D,0x4F,0x42
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};
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static const unsigned char bp512_da[] = {
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0x16,0x30,0x2F,0xF0,0xDB,0xBB,0x5A,0x8D,0x73,0x3D,0xAB,0x71,
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0x41,0xC1,0xB4,0x5A,0xCB,0xC8,0x71,0x59,0x39,0x67,0x7F,0x6A,
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0x56,0x85,0x0A,0x38,0xBD,0x87,0xBD,0x59,0xB0,0x9E,0x80,0x27,
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0x96,0x09,0xFF,0x33,0x3E,0xB9,0xD4,0xC0,0x61,0x23,0x1F,0xB2,
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0x6F,0x92,0xEE,0xB0,0x49,0x82,0xA5,0xF1,0xD1,0x76,0x4C,0xAD,
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0x57,0x66,0x54,0x22
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};
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static const unsigned char bp512_db[] = {
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0x23,0x0E,0x18,0xE1,0xBC,0xC8,0x8A,0x36,0x2F,0xA5,0x4E,0x4E,
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0xA3,0x90,0x20,0x09,0x29,0x2F,0x7F,0x80,0x33,0x62,0x4F,0xD4,
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0x71,0xB5,0xD8,0xAC,0xE4,0x9D,0x12,0xCF,0xAB,0xBC,0x19,0x96,
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0x3D,0xAB,0x8E,0x2F,0x1E,0xBA,0x00,0xBF,0xFB,0x29,0xE4,0xD7,
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0x2D,0x13,0xF2,0x22,0x45,0x62,0xF4,0x05,0xCB,0x80,0x50,0x36,
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0x66,0xB2,0x54,0x29
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};
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static const unsigned char bp512_Z[] = {
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0xA7,0x92,0x70,0x98,0x65,0x5F,0x1F,0x99,0x76,0xFA,0x50,0xA9,
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0xD5,0x66,0x86,0x5D,0xC5,0x30,0x33,0x18,0x46,0x38,0x1C,0x87,
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0x25,0x6B,0xAF,0x32,0x26,0x24,0x4B,0x76,0xD3,0x64,0x03,0xC0,
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0x24,0xD7,0xBB,0xF0,0xAA,0x08,0x03,0xEA,0xFF,0x40,0x5D,0x3D,
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0x24,0xF1,0x1A,0x9B,0x5C,0x0B,0xEF,0x67,0x9F,0xE1,0x45,0x4B,
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0x21,0xC4,0xCD,0x1F
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};
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/* Given private value and NID, create EC_KEY structure */
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static EC_KEY *mk_eckey(int nid, const unsigned char *p, size_t plen)
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{
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int ok = 0;
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EC_KEY *k = NULL;
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BIGNUM *priv = NULL;
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EC_POINT *pub = NULL;
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const EC_GROUP *grp;
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k = EC_KEY_new_by_curve_name(nid);
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if (!k)
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goto err;
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priv = BN_bin2bn(p, plen, NULL);
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if (!priv)
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goto err;
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if (!EC_KEY_set_private_key(k, priv))
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goto err;
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grp = EC_KEY_get0_group(k);
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pub = EC_POINT_new(grp);
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if (!pub)
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goto err;
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if (!EC_POINT_mul(grp, pub, priv, NULL, NULL, NULL))
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goto err;
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if (!EC_KEY_set_public_key(k, pub))
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goto err;
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ok = 1;
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err:
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if (priv)
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BN_clear_free(priv);
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if (pub)
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EC_POINT_free(pub);
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if (ok)
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return k;
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else if (k)
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EC_KEY_free(k);
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return NULL;
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}
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/* Known answer test: compute shared secret and check it matches
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* expected value.
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*/
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static int ecdh_kat(BIO *out, const char *cname, int nid,
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const unsigned char *k1, size_t k1_len,
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const unsigned char *k2, size_t k2_len,
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const unsigned char *Z, size_t Zlen)
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{
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int rv = 0;
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EC_KEY *key1 = NULL, *key2 = NULL;
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unsigned char *Ztmp = NULL;
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size_t Ztmplen;
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BIO_puts(out, "Testing ECDH shared secret with ");
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BIO_puts(out, cname);
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key1 = mk_eckey(nid, k1, k1_len);
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key2 = mk_eckey(nid, k2, k2_len);
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if (!key1 || !key2)
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goto err;
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Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7)/8;
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if (Ztmplen != Zlen)
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goto err;
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Ztmp = OPENSSL_malloc(Ztmplen);
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if (!ECDH_compute_key(Ztmp, Ztmplen,
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EC_KEY_get0_public_key(key2), key1, 0))
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goto err;
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if (memcmp(Ztmp, Z, Zlen))
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goto err;
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memset(Ztmp, 0, Zlen);
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if (!ECDH_compute_key(Ztmp, Ztmplen,
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EC_KEY_get0_public_key(key1), key2, 0))
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goto err;
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if (memcmp(Ztmp, Z, Zlen))
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goto err;
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rv = 1;
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err:
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if (key1)
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EC_KEY_free(key1);
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if (key2)
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EC_KEY_free(key2);
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if (Ztmp)
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OPENSSL_free(Ztmp);
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if (rv)
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BIO_puts(out, " ok\n");
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else
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{
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fprintf(stderr, "Error in ECDH routines\n");
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ERR_print_errors_fp(stderr);
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}
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return rv;
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}
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#define test_ecdh_kat(bio, curve, bits) \
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ecdh_kat(bio, curve, NID_brainpoolP##bits##r1, \
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bp##bits##_da, sizeof(bp##bits##_da), \
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bp##bits##_db, sizeof(bp##bits##_db), \
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bp##bits##_Z, sizeof(bp##bits##_Z))
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int main(int argc, char *argv[])
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{
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BN_CTX *ctx=NULL;
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@ -341,6 +506,12 @@ int main(int argc, char *argv[])
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if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err;
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if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err;
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#endif
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if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP256r1", 256))
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goto err;
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if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP384r1", 384))
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goto err;
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if (!test_ecdh_kat(out, "Brainpool Prime-Curve brainpoolP512r1", 512))
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goto err;
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ret = 0;
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