release/src/router/libsodium/test/default/ed25519_convert.c

   1
   2 #define TEST_NAME "ed25519_convert"
   3 #include "cmptest.h"
   4
   5 static const unsigned char keypair_seed[crypto_sign_ed25519_SEEDBYTES]
   6     = { 0x42, 0x11, 0x51, 0xa4, 0x59, 0xfa, 0xea, 0xde, 0x3d, 0x24, 0x71,
   7         0x15, 0xf9, 0x4a, 0xed, 0xae, 0x42, 0x31, 0x81, 0x24, 0x09, 0x5a,
   8         0xfa, 0xbe, 0x4d, 0x14, 0x51, 0xa5, 0x59, 0xfa, 0xed, 0xee };
   9
  10 int main(void)
  11 {
  12     unsigned char ed25519_pk[crypto_sign_ed25519_PUBLICKEYBYTES];
  13     unsigned char ed25519_skpk[crypto_sign_ed25519_SECRETKEYBYTES];
  14     unsigned char curve25519_pk[crypto_scalarmult_curve25519_BYTES];
  15     unsigned char curve25519_pk2[crypto_scalarmult_curve25519_BYTES];
  16     unsigned char curve25519_sk[crypto_scalarmult_curve25519_BYTES];
  17     char curve25519_pk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
  18     char curve25519_sk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
  19     unsigned int i;
  20
  21     crypto_sign_ed25519_seed_keypair(ed25519_pk, ed25519_skpk, keypair_seed);
  22     if (crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) != 0) {
  23         printf("conversion failed\n");
  24     }
  25     crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
  26     sodium_bin2hex(curve25519_pk_hex, sizeof curve25519_pk_hex, curve25519_pk,
  27                    sizeof curve25519_pk);
  28     sodium_bin2hex(curve25519_sk_hex, sizeof curve25519_sk_hex, curve25519_sk,
  29                    sizeof curve25519_sk);
  30
  31     printf("curve25519 pk: [%s]\n", curve25519_pk_hex);
  32     printf("curve25519 sk: [%s]\n", curve25519_sk_hex);
  33
  34     for (i = 0U; i < 500U; i++) {
  35         crypto_sign_ed25519_keypair(ed25519_pk, ed25519_skpk);
  36         if (crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) != 0) {
  37             printf("conversion failed\n");
  38         }
  39         crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
  40         crypto_scalarmult_curve25519_base(curve25519_pk2, curve25519_sk);
  41         if (memcmp(curve25519_pk, curve25519_pk2, sizeof curve25519_pk) != 0) {
  42             printf("conversion failed\n");
  43         }
  44     }
  45     printf("ok\n");
  46
  47     return 0;
  48 }