4 test_ecdsa (const struct ecc_curve *ecc,
6 const char *xs, const char *ys,
10 const char *r, const char *s)
13 struct dsa_signature signature;
16 ecc_point_init (&pub, ecc);
17 dsa_signature_init (&signature);
19 mpz_init_set_str (x, xs, 16);
20 mpz_init_set_str (y, ys, 16);
22 if (!ecc_point_set (&pub, x, y))
23 die ("ecc_point_set failed.\n");
25 mpz_set_str (signature.r, r, 16);
26 mpz_set_str (signature.s, s, 16);
28 if (!ecdsa_verify (&pub, h->length, h->data, &signature))
30 fprintf (stderr, "ecdsa_verify failed with valid signature.\n");
32 fprintf (stderr, "bit_size = %u\nx = ", ecc->p.bit_size);
33 mpz_out_str (stderr, 16, x);
34 fprintf (stderr, "\ny = ");
35 mpz_out_str (stderr, 16, y);
36 fprintf (stderr, "\ndigest ");
37 print_hex (h->length, h->data);
38 fprintf (stderr, "r = ");
39 mpz_out_str (stderr, 16, signature.r);
40 fprintf (stderr, "\ns = ");
41 mpz_out_str (stderr, 16, signature.s);
42 fprintf (stderr, "\n");
46 mpz_combit (signature.r, ecc->p.bit_size / 3);
47 if (ecdsa_verify (&pub, h->length, h->data, &signature))
49 fprintf (stderr, "ecdsa_verify unexpectedly succeeded with invalid signature.\n");
52 mpz_combit (signature.r, ecc->p.bit_size / 3);
54 mpz_combit (signature.s, 4*ecc->p.bit_size / 5);
55 if (ecdsa_verify (&pub, h->length, h->data, &signature))
57 fprintf (stderr, "ecdsa_verify unexpectedly succeeded with invalid signature.\n");
60 mpz_combit (signature.s, 4*ecc->p.bit_size / 5);
62 h->data[2*h->length / 3] ^= 0x40;
63 if (ecdsa_verify (&pub, h->length, h->data, &signature))
65 fprintf (stderr, "ecdsa_verify unexpectedly succeeded with invalid signature.\n");
68 h->data[2*h->length / 3] ^= 0x40;
69 if (!ecdsa_verify (&pub, h->length, h->data, &signature))
71 fprintf (stderr, "ecdsa_verify failed, internal testsuite error.\n");
75 ecc_point_clear (&pub);
76 dsa_signature_clear (&signature);
85 test_ecdsa (&nettle_secp_256r1,
86 "2442A5CC 0ECD015F A3CA31DC 8E2BBC70"
87 "BF42D60C BCA20085 E0822CB0 4235E970", /* x */
89 "6FC98BD7 E50211A4 A27102FA 3549DF79"
90 "EBCB4BF2 46B80945 CDDFE7D5 09BBFD7D", /* y */
92 SHEX("BA7816BF 8F01CFEA 414140DE 5DAE2223"
93 "B00361A3 96177A9C B410FF61 F20015AD"), /* h */
95 "CB28E099 9B9C7715 FD0A80D8 E47A7707"
96 "9716CBBF 917DD72E 97566EA1 C066957C", /* r */
97 "86FA3BB4 E26CAD5B F90B7F81 899256CE"
98 "7594BB1E A0C89212 748BFF3B 3D5B0315"); /* s */
100 test_ecdsa (&nettle_secp_384r1,
101 "96281BF8 DD5E0525 CA049C04 8D345D30"
102 "82968D10 FEDF5C5A CA0C64E6 465A97EA"
103 "5CE10C9D FEC21797 41571072 1F437922", /* x */
105 "447688BA 94708EB6 E2E4D59F 6AB6D7ED"
106 "FF9301D2 49FE49C3 3096655F 5D502FAD"
107 "3D383B91 C5E7EDAA 2B714CC9 9D5743CA", /* y */
109 SHEX("CB00753F 45A35E8B B5A03D69 9AC65007"
110 "272C32AB 0EDED163 1A8B605A 43FF5BED"
111 "8086072B A1E7CC23 58BAECA1 34C825A7"), /* h */
113 "FB017B91 4E291494 32D8BAC2 9A514640"
114 "B46F53DD AB2C6994 8084E293 0F1C8F7E"
115 "08E07C9C 63F2D21A 07DCB56A 6AF56EB3", /* r */
116 "B263A130 5E057F98 4D38726A 1B468741"
117 "09F417BC A112674C 528262A4 0A629AF1"
118 "CBB9F516 CE0FA7D2 FF630863 A00E8B9F"); /* s*/
120 test_ecdsa (&nettle_secp_521r1,
121 "0151518F 1AF0F563 517EDD54 85190DF9"
122 "5A4BF57B 5CBA4CF2 A9A3F647 4725A35F"
123 "7AFE0A6D DEB8BEDB CD6A197E 592D4018"
124 "8901CECD 650699C9 B5E456AE A5ADD190"
127 "006F3B14 2EA1BFFF 7E2837AD 44C9E4FF"
128 "6D2D34C7 3184BBAD 90026DD5 E6E85317"
129 "D9DF45CA D7803C6C 20035B2F 3FF63AFF"
130 "4E1BA64D 1C077577 DA3F4286 C58F0AEA"
133 SHEX("DDAF35A1 93617ABA CC417349 AE204131"
134 "12E6FA4E 89A97EA2 0A9EEEE6 4B55D39A"
135 "2192992A 274FC1A8 36BA3C23 A3FEEBBD"
136 "454D4423 643CE80E 2A9AC94F A54CA49F"), /* h */
138 "0154FD38 36AF92D0 DCA57DD5 341D3053"
139 "988534FD E8318FC6 AAAAB68E 2E6F4339"
140 "B19F2F28 1A7E0B22 C269D93C F8794A92"
141 "78880ED7 DBB8D936 2CAEACEE 54432055"
143 "017705A7 030290D1 CEB605A9 A1BB03FF"
144 "9CDD521E 87A696EC 926C8C10 C8362DF4"
145 "97536710 1F67D1CF 9BCCBF2F 3D239534"
146 "FA509E70 AAC851AE 01AAC68D 62F86647"
149 test_ecdsa (&_nettle_curve25519,
150 /* Public key corresponding to the key in ecdsa-sign-test */
151 "59f8f317fd5f4e82 c02f8d4dec665fe1"
152 "230f83b8572638e1 b2ac34a30028e24d", /* x */
153 "1902a72dc1a6525a 811b9c1845978d56"
154 "fd97dce5e278ebdd ec695349d7e41498", /* y */
155 SHEX("e99df2a098c3c590 ea1e1db6d9547339"
156 "ae760d5331496119 5d967fd881e3b0f5"), /* h */
157 " 515c3a485f57432 0daf3353a0d08110"
158 "64157c556296de09 4132f74865961b37", /* r */
159 " 78f23367291b01 3fc430fb09322d95"
160 "4384723649868d8e 88effc7ac8b141d7"); /* s */