scalarmult.c

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    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 }

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FreeBSD/Linux Kernel Cross Reference sys/contrib/libsodium/test/default/scalarmult.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/libsodium/test/default/scalarmult.c