fips/ecdsa/fips_ecdsa_selftest.c

   1 /* fips/ecdsa/fips_ecdsa_selftest.c */
   2
   3 #define OPENSSL_FIPSAPI
   4
   5 #include <string.h>
   6 #include <openssl/crypto.h>
   7 #include <openssl/ec.h>
   8 #include <openssl/ecdsa.h>
   9 #include <openssl/fips.h>
  10 #include <openssl/err.h>
  11 #include <openssl/evp.h>
  12 #include <openssl/bn.h>
  13
  14 #ifdef OPENSSL_FIPS
  15
  16 static const unsigned char str1[]="12345678901234567890";
  17
  18 static int corrupt_ecdsa = 0;
  19
  20 void FIPS_corrupt_ecdsa()
  21     {
  22     corrupt_ecdsa = 1;
  23     }
  24
  25 static const unsigned char P_384_d[] = {
  26         0x1d,0x84,0x42,0xde,0xa2,0x35,0x29,0xbd,0x9f,0xe2,0x6e,0x6d,
  27         0x01,0x26,0x30,0x79,0x33,0x57,0x01,0xf3,0x97,0x88,0x41,0xb3,
  28         0x82,0x07,0x08,0x5e,0x63,0x8e,0x1a,0xa6,0x9b,0x08,0xb6,0xe2,
  29         0xa2,0x98,0xac,0x1c,0x9b,0x25,0xb3,0xf1,0x5c,0x20,0xe9,0x85
  30 };
  31 static const unsigned char P_384_qx[] = {
  32         0x6b,0x7e,0x9c,0xbb,0x3d,0xc5,0x4d,0x53,0xf7,0x6c,0x8d,0xcc,
  33         0xf8,0xc3,0xa8,0x26,0xba,0xeb,0xa6,0x56,0x6a,0x41,0x98,0xb1,
  34         0x90,0x90,0xcc,0xe7,0x48,0x74,0x3d,0xe6,0xd7,0x65,0x90,0x3b,
  35         0x13,0x69,0xdc,0x8f,0x48,0xc1,0xb4,0xf4,0xb1,0x91,0x36,0x3f
  36 };
  37 static const unsigned char P_384_qy[] = {
  38         0x40,0xc2,0x62,0x2a,0xea,0xfb,0x47,0x75,0xb5,0xdc,0x2e,0x1e,
  39         0xa0,0xa9,0x1f,0x6a,0xb7,0x54,0xac,0xce,0x91,0xe8,0x5b,0x8c,
  40         0xe3,0xf5,0xb8,0x0e,0xcb,0x82,0xb0,0xd9,0x57,0x1d,0xeb,0x25,
  41         0xfc,0x03,0xe5,0x12,0x50,0x17,0x98,0x7f,0x14,0x7e,0x95,0x17
  42 };
  43
  44 #ifndef OPENSSL_NO_EC2M
  45
  46 static const unsigned char K_409_d[] = {
  47         0x68,0xe1,0x64,0x0a,0xe6,0x80,0x57,0x53,0x8d,0x35,0xd1,0xec,
  48         0x69,0xea,0x82,0x05,0x47,0x48,0x4d,0xda,0x9f,0x8c,0xa0,0xf3,
  49         0x06,0xc7,0x77,0xcb,0x14,0x05,0x9f,0x5d,0xdd,0xe0,0x5d,0x68,
  50         0x4e,0x1a,0xe4,0x9c,0xe0,0x4d,0x4a,0x74,0x47,0x54,0x4e,0x55,
  51         0xae,0x70,0x8c
  52 };
  53 static const unsigned char K_409_qx[] = {
  54         0x01,0x07,0xd6,0x6f,0xa8,0xf8,0x0e,0xbb,0xb8,0xa7,0x83,0x04,
  55         0xc3,0x19,0x67,0x9e,0x73,0x7b,0xeb,0xf4,0x6c,0xf3,0xeb,0xda,
  56         0x0d,0xe7,0x60,0xaf,0x29,0x37,0x13,0x32,0x51,0xac,0xb6,0x35,
  57         0x00,0x60,0xfa,0xd5,0x8b,0x6d,0xae,0xb0,0xe9,0x46,0x7f,0xe2,
  58         0x2d,0x50,0x04,0x40
  59 };
  60 static const unsigned char K_409_qy[] = {
  61         0x0a,0x53,0xf1,0x4f,0x2a,0xa5,0x5a,0xfb,0x37,0xb4,0x76,0x47,
  62         0x1b,0x14,0xd1,0x8d,0x86,0x94,0x75,0x26,0xc3,0x0b,0x09,0x57,
  63         0x1d,0x26,0x38,0x33,0x84,0x97,0x9d,0x56,0xe1,0x0d,0x51,0x9b,
  64         0x2c,0xbb,0x3d,0x92,0x48,0xaa,0x2a,0x39,0x4f,0x07,0x92,0xbd,
  65         0xb0,0x4d,0x2e
  66 };
  67
  68 #endif
  69
  70 typedef struct
  71         {
  72         int curve;
  73         const unsigned char *x;
  74         size_t xlen;
  75         const unsigned char *y;
  76         size_t ylen;
  77         const unsigned char *d;
  78         size_t dlen;
  79         } EC_SELFTEST_PRIVKEY;
  80
  81 #define make_ec_key(nid, pr) { nid, \
  82                                 pr##_qx, sizeof(pr##_qx), \
  83                                 pr##_qy, sizeof(pr##_qy), \
  84                                 pr##_d, sizeof(pr##_d) }
  85
  86 static EC_SELFTEST_PRIVKEY test_ec_keys[] =
  87         {
  88         make_ec_key(NID_secp384r1, P_384),
  89 #ifndef OPENSSL_NO_EC2M
  90         make_ec_key(NID_sect409k1, K_409)
  91 #endif
  92         };
  93
  94 int FIPS_selftest_ecdsa()
  95         {
  96         EC_KEY *ec = NULL;
  97         BIGNUM *x = NULL, *y = NULL, *d = NULL;
  98         EVP_MD_CTX mctx;
  99         ECDSA_SIG *esig = NULL;
 100         int rv = 0;
 101         size_t i;
 102
 103         FIPS_md_ctx_init(&mctx);
 104
 105         for (i = 0; i < sizeof(test_ec_keys)/sizeof(EC_SELFTEST_PRIVKEY); i++)
 106                 {
 107                 EC_SELFTEST_PRIVKEY *key = test_ec_keys + i;
 108
 109                 x = BN_bin2bn(key->x, key->xlen, x);
 110                 y = BN_bin2bn(key->y, key->ylen, y);
 111                 d = BN_bin2bn(key->d, key->dlen, d);
 112
 113                 if (!x || !y || !d)
 114                         goto err;
 115
 116                 ec = EC_KEY_new_by_curve_name(key->curve);
 117                 if (!ec)
 118                         goto err;
 119
 120                 if (!EC_KEY_set_public_key_affine_coordinates(ec, x, y))
 121                         goto err;
 122
 123                 if (!EC_KEY_set_private_key(ec, d))
 124                         goto err;
 125
 126                 if (!FIPS_digestinit(&mctx, EVP_sha512()))
 127                         goto err;
 128                 if (!FIPS_digestupdate(&mctx, str1, 20))
 129                         goto err;
 130                 esig = FIPS_ecdsa_sign_ctx(ec, &mctx);
 131                 if (!esig)
 132                         goto err;
 133
 134                 if (corrupt_ecdsa)
 135                         BN_add_word(esig->r, 1);
 136
 137                 if (!FIPS_digestinit(&mctx, EVP_sha512()))
 138                         goto err;
 139                 if (!FIPS_digestupdate(&mctx, str1, 20))
 140                         goto err;
 141                 if (FIPS_ecdsa_verify_ctx(ec, &mctx, esig) != 1)
 142                         goto err;
 143
 144                 FIPS_ecdsa_sig_free(esig);
 145                 esig = NULL;
 146                 EC_KEY_free(ec);
 147                 ec = NULL;
 148                 }
 149
 150         rv = 1;
 151
 152         err:
 153
 154         if (x)
 155                 BN_clear_free(x);
 156         if (y)
 157                 BN_clear_free(y);
 158         if (d)
 159                 BN_clear_free(d);
 160         if (ec)
 161                 EC_KEY_free(ec);
 162         if (esig)
 163                 FIPS_ecdsa_sig_free(esig);
 164
 165         return rv;
 166
 167         }
 168
 169 #endif