Home | History | Annotate | Line # | Download | only in default 
      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 
     11 static const unsigned char bobsk[crypto_scalarmult_BYTES] = {
     12     0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b, 0x79, 0xe1, 0x7f,
     13     0x8b, 0x83, 0x80, 0x0e, 0xe6, 0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18,
     14     0xb6, 0xfd, 0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb
     15 };
     16 
     17 static const unsigned char small_order_p[crypto_scalarmult_BYTES] = {
     18     0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae, 0x16, 0x56, 0xe3,
     19     0xfa, 0xf1, 0x9f, 0xc4, 0x6a, 0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32,
     20     0xb1, 0xfd, 0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00
     21 };
     22 
     23 static char hex[crypto_scalarmult_BYTES * 2 + 1];
     24 
     25 int
     26 main(void)
     27 {
     28     unsigned char *alicepk =
     29         (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
     30     unsigned char *bobpk =
     31         (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
     32     unsigned char *k = (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES);
     33     int            ret;
     34 
     35     assert(alicepk != NULL && bobpk != NULL && k != NULL);
     36 
     37     crypto_scalarmult_base(alicepk, alicesk);
     38     sodium_bin2hex(hex, sizeof hex, alicepk, crypto_scalarmult_BYTES);
     39     printf("%s\n", hex);
     40 
     41     crypto_scalarmult_base(bobpk, bobsk);
     42     sodium_bin2hex(hex, sizeof hex, bobpk, crypto_scalarmult_BYTES);
     43     printf("%s\n", hex);
     44 
     45     ret = crypto_scalarmult(k, alicesk, bobpk);
     46     assert(ret == 0);
     47     sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES);
     48     printf("%s\n", hex);
     49 
     50     ret = crypto_scalarmult(k, bobsk, alicepk);
     51     assert(ret == 0);
     52     sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES);
     53     printf("%s\n", hex);
     54 
     55     ret = crypto_scalarmult(k, bobsk, small_order_p);
     56     assert(ret == -1);
     57 
     58     sodium_free(bobpk);
     59     sodium_free(alicepk);
     60     sodium_free(k);
     61 
     62     assert(crypto_scalarmult_bytes() > 0U);
     63     assert(crypto_scalarmult_scalarbytes() > 0U);
     64     assert(strcmp(crypto_scalarmult_primitive(), "curve25519") == 0);
     65     assert(crypto_scalarmult_bytes() == crypto_scalarmult_curve25519_bytes());
     66     assert(crypto_scalarmult_scalarbytes() ==
     67            crypto_scalarmult_curve25519_scalarbytes());
     68     assert(crypto_scalarmult_bytes() == crypto_scalarmult_scalarbytes());
     69 
     70     return 0;
     71 }
     72