-/* $OpenBSD: ectest.c,v 1.17 2023/04/18 08:17:49 tb Exp $ */
+/* $OpenBSD: ectest.c,v 1.18 2023/04/18 15:20:34 tb Exp $ */
/* crypto/ec/ectest.c */
/*
* Originally written by Bodo Moeller for the OpenSSL project.
return;
}
-#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
-/* nistp_test_params contains magic numbers for testing our optimized
- * implementations of several NIST curves with characteristic > 3. */
-struct nistp_test_params {
- const EC_METHOD* (*meth) ();
- 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 */
- EC_GFp_nistp224_method,
- 224,
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001", /* p */
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE", /* a */
- "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4", /* b */
- "E84FB0B8E7000CB657D7973CF6B42ED78B301674276DF744AF130B3E", /* Qx */
- "4376675C6FC5612C21A0FF2D2A89D2987DF7A2BC52183B5982298555", /* Qy */
- "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21", /* Gx */
- "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34", /* Gy */
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D", /* order */
- "3F0C488E987C80BE0FEE521F8D90BE6034EC69AE11CA72AA777481E8", /* d */
- },
- {
- /* P-256 */
- EC_GFp_nistp256_method,
- 256,
- "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", /* p */
- "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", /* a */
- "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", /* b */
- "b7e08afdfe94bad3f1dc8c734798ba1c62b3a0ad1e9ea2a38201cd0889bc7a19", /* Qx */
- "3603f747959dbf7a4bb226e41928729063adc7ae43529e61b563bbc606cc5e09", /* Qy */
- "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", /* Gx */
- "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", /* Gy */
- "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", /* order */
- "c477f9f65c22cce20657faa5b2d1d8122336f851a508a1ed04e479c34985bf96", /* d */
- },
- {
- /* P-521 */
- EC_GFp_nistp521_method,
- 521,
- "1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", /* p */
- "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", /* a */
- "051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", /* b */
- "0098e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4", /* Qx */
- "0164350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e", /* Qy */
- "c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", /* Gx */
- "11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", /* Gy */
- "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", /* order */
- "0100085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eeedf09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722", /* d */
- },
-};
-
-void
-nistp_single_test(const struct nistp_test_params *test)
-{
- BN_CTX *ctx;
- BIGNUM *p, *a, *b, *x, *y, *n, *m, *order;
- EC_GROUP *NISTP;
- EC_POINT *G, *P, *Q, *Q_CHECK;
-
- fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n", test->degree);
- ctx = BN_CTX_new();
- p = BN_new();
- a = BN_new();
- b = BN_new();
- x = BN_new();
- y = BN_new();
- m = BN_new();
- n = BN_new();
- order = BN_new();
-
- NISTP = EC_GROUP_new(test->meth());
- if (!NISTP)
- ABORT;
- if (!BN_hex2bn(&p, test->p))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, test->a))
- ABORT;
- if (!BN_hex2bn(&b, test->b))
- ABORT;
- if (!EC_GROUP_set_curve(NISTP, p, a, b, ctx))
- ABORT;
- G = EC_POINT_new(NISTP);
- P = EC_POINT_new(NISTP);
- Q = EC_POINT_new(NISTP);
- Q_CHECK = EC_POINT_new(NISTP);
- if (!BN_hex2bn(&x, test->Qx))
- ABORT;
- if (!BN_hex2bn(&y, test->Qy))
- ABORT;
- if (!EC_POINT_set_affine_coordinates(NISTP, Q_CHECK, x, y, ctx))
- ABORT;
- if (!BN_hex2bn(&x, test->Gx))
- ABORT;
- if (!BN_hex2bn(&y, test->Gy))
- ABORT;
- if (!EC_POINT_set_affine_coordinates(NISTP, G, x, y, ctx))
- ABORT;
- if (!BN_hex2bn(&order, test->order))
- ABORT;
- if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
- ABORT;
-
- fprintf(stdout, "verify degree ... ");
- if (EC_GROUP_get_degree(NISTP) != test->degree)
- ABORT;
- fprintf(stdout, "ok\n");
-
- fprintf(stdout, "NIST test vectors ... ");
- if (!BN_hex2bn(&n, test->d))
- ABORT;
- /* fixed point multiplication */
- EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
- /* random point multiplication */
- EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- /* set generator to P = 2*G, where G is the standard generator */
- if (!EC_POINT_dbl(NISTP, P, G, ctx))
- ABORT;
- if (!EC_GROUP_set_generator(NISTP, P, order, BN_value_one()))
- ABORT;
- /* set the scalar to m=n/2, where n is the NIST test scalar */
- if (!BN_rshift(m, n, 1))
- ABORT;
-
- /* test the non-standard generator */
- /* fixed point multiplication */
- EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
- /* random point multiplication */
- EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- /* now repeat all tests with precomputation */
- if (!EC_GROUP_precompute_mult(NISTP, ctx))
- ABORT;
-
- /* fixed point multiplication */
- EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
- /* random point multiplication */
- EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- /* reset generator */
- if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
- ABORT;
- /* fixed point multiplication */
- EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
- /* random point multiplication */
- EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- fprintf(stdout, "ok\n");
- group_order_tests(NISTP);
- 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_CTX_free(ctx);
-}
-
-void
-nistp_tests()
-{
- unsigned i;
-
- for (i = 0; i < sizeof(nistp_tests_params) / sizeof(struct nistp_test_params); i++) {
- nistp_single_test(&nistp_tests_params[i]);
- }
-}
-#endif
-
int
main(int argc, char *argv[])
{
prime_field_tests();
puts("");
-#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
- nistp_tests();
-#endif
/* test the internal curves */
internal_curve_test();
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