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

   1
   2 #define TEST_NAME "scalarmult"
   3 #include "cmptest.h"
   4
   5 static const unsigned char alicesk[crypto_scalarmult_BYTES]
   6     = { 0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d, 0x3c, 0x16, 0xc1,
   7         0x72, 0x51, 0xb2, 0x66, 0x45, 0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0,
   8         0x99, 0x2a, 0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a };
   9
  10 static const unsigned char bobsk[crypto_scalarmult_BYTES]
  11     = { 0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b, 0x79, 0xe1, 0x7f,
  12         0x8b, 0x83, 0x80, 0x0e, 0xe6, 0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18,
  13         0xb6, 0xfd, 0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb };
  14
  15 static const unsigned char small_order_p[crypto_scalarmult_BYTES]
  16     = { 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae, 0x16, 0x56, 0xe3,
  17         0xfa, 0xf1, 0x9f, 0xc4, 0x6a, 0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32,
  18         0xb1, 0xfd, 0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00 };
  19
  20 static char hex[crypto_scalarmult_BYTES * 2 + 1];
  21
  22 int main(void)
  23 {
  24     unsigned char *alicepk =
  25         (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
  26     unsigned char *bobpk =
  27         (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
  28     unsigned char *k =
  29         (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
  30     int ret;
  31
  32     assert(alicepk != NULL && bobpk != NULL && k != NULL);
  33
  34     crypto_scalarmult_base(alicepk, alicesk);
  35     sodium_bin2hex(hex, sizeof hex, alicepk, crypto_scalarmult_BYTES);
  36     printf("%s\n", hex);
  37
  38     crypto_scalarmult_base(bobpk, bobsk);
  39     sodium_bin2hex(hex, sizeof hex, bobpk, crypto_scalarmult_BYTES);
  40     printf("%s\n", hex);
  41
  42     ret = crypto_scalarmult(k, alicesk, bobpk);
  43     assert(ret == 0);
  44     sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES);
  45     printf("%s\n", hex);
  46
  47     ret = crypto_scalarmult(k, bobsk, alicepk);
  48     assert(ret == 0);
  49     sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES);
  50     printf("%s\n", hex);
  51
  52     ret = crypto_scalarmult(k, bobsk, small_order_p);
  53     assert(ret == -1);
  54     sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES);
  55     printf("%s\n", hex);
  56
  57     sodium_free(bobpk);
  58     sodium_free(alicepk);
  59     sodium_free(k);
  60
  61     assert(crypto_scalarmult_bytes() > 0U);
  62     assert(crypto_scalarmult_scalarbytes() > 0U);
  63     assert(strcmp(crypto_scalarmult_primitive(), "curve25519") == 0);
  64     assert(crypto_scalarmult_bytes() == crypto_scalarmult_curve25519_bytes());
  65     assert(crypto_scalarmult_scalarbytes()
  66            == crypto_scalarmult_curve25519_scalarbytes());
  67     assert(crypto_scalarmult_bytes() == crypto_scalarmult_scalarbytes());
  68
  69     return 0;
  70 }