#include <openssl/objects.h>
#include <openssl/rand.h>
#include <openssl/bn.h>
+#include <openssl/opensslconf.h>
#if defined(_MSC_VER) && defined(_MIPS_) && (_MSC_VER/100==12)
/* suppress "too big too optimize" warning */
EC_POINT *P = EC_POINT_new(group);
EC_POINT *Q = EC_POINT_new(group);
BN_CTX *ctx = BN_CTX_new();
+ int i;
n1 = BN_new(); n2 = BN_new(); order = BN_new();
fprintf(stdout, "verify group order ...");
if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx)) ABORT;
if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
fprintf(stdout, " ok\n");
- fprintf(stdout, "long/negative scalar tests ... ");
- if (!BN_one(n1)) ABORT;
- /* n1 = 1 - order */
- if (!BN_sub(n1, n1, order)) ABORT;
- if(!EC_POINT_mul(group, Q, NULL, P, n1, ctx)) ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
- /* n2 = 1 + order */
- if (!BN_add(n2, order, BN_value_one())) ABORT;
- if(!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
- /* n2 = (1 - order) * (1 + order) */
- if (!BN_mul(n2, n1, n2, ctx)) ABORT;
- if(!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
+ fprintf(stdout, "long/negative scalar tests ");
+ for (i = 1; i <= 2; i++)
+ {
+ const BIGNUM *scalars[6];
+ const EC_POINT *points[6];
+
+ fprintf(stdout, i == 1 ?
+ "allowing precomputation ... " :
+ "without precomputation ... ");
+ if (!BN_set_word(n1, i)) ABORT;
+ /* If i == 1, P will be the predefined generator for which
+ * EC_GROUP_precompute_mult has set up precomputation. */
+ if (!EC_POINT_mul(group, P, n1, NULL, NULL, ctx)) ABORT;
+
+ if (!BN_one(n1)) ABORT;
+ /* n1 = 1 - order */
+ if (!BN_sub(n1, n1, order)) ABORT;
+ if (!EC_POINT_mul(group, Q, NULL, P, n1, ctx)) ABORT;
+ if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
+
+ /* n2 = 1 + order */
+ if (!BN_add(n2, order, BN_value_one())) ABORT;
+ if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
+ if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
+
+ /* n2 = (1 - order) * (1 + order) = 1 - order^2 */
+ if (!BN_mul(n2, n1, n2, ctx)) ABORT;
+ if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
+ if (0 != EC_POINT_cmp(group, Q, P, ctx)) ABORT;
+
+ /* n2 = order^2 - 1 */
+ BN_set_negative(n2, 0);
+ if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx)) ABORT;
+ /* Add P to verify the result. */
+ if (!EC_POINT_add(group, Q, Q, P, ctx)) ABORT;
+ if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+
+ /* Exercise EC_POINTs_mul, including corner cases. */
+ if (EC_POINT_is_at_infinity(group, P)) ABORT;
+ 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 (!EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx)) ABORT;
+ if (!EC_POINT_is_at_infinity(group, P)) ABORT;
+ }
fprintf(stdout, "ok\n");
+
EC_POINT_free(P);
EC_POINT_free(Q);
BN_free(n1);
BN_CTX_free(ctx);
}
-static void prime_field_tests()
- {
+static void prime_field_tests(void)
+ {
BN_CTX *ctx = NULL;
BIGNUM *p, *a, *b;
EC_GROUP *group;
if (!(_variable = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT; \
if (!EC_GROUP_copy(_variable, group)) ABORT; \
+#ifndef OPENSSL_NO_EC2M
-static void char2_field_tests()
- {
+static void char2_field_tests(void)
+ {
BN_CTX *ctx = NULL;
BIGNUM *p, *a, *b;
EC_GROUP *group;
if (C2_B571) EC_GROUP_free(C2_B571);
}
+#endif
static void internal_curve_test(void)
{
if (ok)
fprintf(stdout, " ok\n\n");
else
+ {
fprintf(stdout, " failed\n\n");
+ ABORT;
+ }
OPENSSL_free(curves);
return;
}
-#ifdef EC_NISTP224_64_GCC_128
-void nistp224_test()
+#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)
{
- fprintf(stdout, "\nNIST curve P-224 (optimised implementation):\n");
+ 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();
- BN_CTX *ctx = BN_CTX_new();
- EC_GROUP *NISTP224;
- EC_POINT *G, *P, *Q, *Q_CHECK;
- NISTP224 = EC_GROUP_new(EC_GFp_nistp224_method());
- if(!NISTP224) ABORT;
- if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001")) ABORT;
+ 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, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE")) ABORT;
- if (!BN_hex2bn(&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4")) ABORT;
- if (!EC_GROUP_set_curve_GFp(NISTP224, p, a, b, ctx)) ABORT;
- G = EC_POINT_new(NISTP224);
- P = EC_POINT_new(NISTP224);
- Q = EC_POINT_new(NISTP224);
- Q_CHECK = EC_POINT_new(NISTP224);
- if(!BN_hex2bn(&x, "E84FB0B8E7000CB657D7973CF6B42ED78B301674276DF744AF130B3E")) ABORT;
- if(!BN_hex2bn(&y, "4376675C6FC5612C21A0FF2D2A89D2987DF7A2BC52183B5982298555")) ABORT;
- if(!EC_POINT_set_affine_coordinates_GFp(NISTP224, Q_CHECK, x, y, ctx)) ABORT;
- if (!BN_hex2bn(&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21")) ABORT;
- if (!BN_hex2bn(&y, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34")) ABORT;
- if (!EC_POINT_set_affine_coordinates_GFp(NISTP224, G, x, y, ctx)) ABORT;
- if (!BN_hex2bn(&order, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D")) ABORT;
- if (!EC_GROUP_set_generator(NISTP224, G, order, BN_value_one())) ABORT;
+ if (!BN_hex2bn(&a, test->a)) ABORT;
+ if (!BN_hex2bn(&b, test->b)) ABORT;
+ if (!EC_GROUP_set_curve_GFp(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_GFp(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_GFp(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(NISTP224) != 224) ABORT;
+ if (EC_GROUP_get_degree(NISTP) != test->degree) ABORT;
fprintf(stdout, "ok\n");
fprintf(stdout, "NIST test vectors ... ");
- if (!BN_hex2bn(&n, "3F0C488E987C80BE0FEE521F8D90BE6034EC69AE11CA72AA777481E8")) ABORT;
+ if (!BN_hex2bn(&n, test->d)) ABORT;
/* fixed point multiplication */
- EC_POINT_mul(NISTP224, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, P, G, ctx)) ABORT;
- if (!EC_GROUP_set_generator(NISTP224, P, order, BN_value_one())) ABORT;
+ 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(NISTP224, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, ctx)) ABORT;
+ if (!EC_GROUP_precompute_mult(NISTP, ctx)) ABORT;
/* fixed point multiplication */
- EC_POINT_mul(NISTP224, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, G, order, BN_value_one())) ABORT;
+ if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one())) ABORT;
/* fixed point multiplication */
- EC_POINT_mul(NISTP224, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP224, Q, Q_CHECK, ctx)) ABORT;
+ 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(NISTP224);
+ group_order_tests(NISTP);
#if 0
- timings(NISTP224, TIMING_BASE_PT, ctx);
- timings(NISTP224, TIMING_RAND_PT, ctx);
+ timings(NISTP, TIMING_BASE_PT, ctx);
+ timings(NISTP, TIMING_RAND_PT, ctx);
#endif
- EC_GROUP_free(NISTP224);
+ EC_GROUP_free(NISTP);
EC_POINT_free(G);
EC_POINT_free(P);
EC_POINT_free(Q);
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
static const char rnd_seed[] = "string to make the random number generator think it has entropy";
prime_field_tests();
puts("");
+#ifndef OPENSSL_NO_EC2M
char2_field_tests();
-#ifdef EC_NISTP224_64_GCC_128
- nistp224_test();
+#endif
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
+ nistp_tests();
#endif
/* test the internal curves */
internal_curve_test();