Viewing file:  scalarmult_ristretto255.c (1.87 KB) -rw-r--r--
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#define TEST_NAME "scalarmult_ristretto255"
#include "cmptest.h"
#define B_HEX "e2f2ae0a6abc4e71a884a961c500515f58e30b6aa582dd8db6a65945e08d2d76"
int
main(void)
{
unsigned char *b =
(unsigned char *) sodium_malloc(crypto_scalarmult_ristretto255_BYTES);
unsigned char *n =
(unsigned char *) sodium_malloc(crypto_scalarmult_ristretto255_SCALARBYTES);
unsigned char *p =
(unsigned char *) sodium_malloc(crypto_scalarmult_ristretto255_BYTES);
unsigned char *p2 =
(unsigned char *) sodium_malloc(crypto_scalarmult_ristretto255_BYTES);
char *hex =
(char *) sodium_malloc(2 * crypto_scalarmult_ristretto255_BYTES + 1);
int i;
sodium_hex2bin(b, crypto_scalarmult_ristretto255_BYTES,
B_HEX, sizeof B_HEX - (size_t) 1U, NULL, NULL, NULL);
memset(n, 0, crypto_scalarmult_ristretto255_SCALARBYTES);
for (i = 0; i < 16; i++) {
crypto_scalarmult_ristretto255_base(p, n);
if (crypto_scalarmult_ristretto255(p2, n, b) != 0) {
printf("crypto_scalarmult_ristretto255(%d) != 0\n", i);
}
sodium_bin2hex(hex, 2 * crypto_scalarmult_ristretto255_BYTES + 1,
p, crypto_scalarmult_ristretto255_BYTES);
printf("%s\n", hex);
assert(memcmp(p, p2, crypto_scalarmult_ristretto255_BYTES) == 0);
sodium_increment(n, crypto_scalarmult_ristretto255_SCALARBYTES);
}
memset(p, 0xfe, crypto_scalarmult_ristretto255_BYTES);
assert(crypto_scalarmult_ristretto255(guard_page, n, p) == -1);
sodium_free(hex);
sodium_free(p2);
sodium_free(p);
sodium_free(n);
sodium_free(b);
assert(crypto_scalarmult_ristretto255_BYTES == crypto_scalarmult_ristretto255_bytes());
assert(crypto_scalarmult_ristretto255_SCALARBYTES == crypto_scalarmult_ristretto255_scalarbytes());
printf("OK\n");
return 0;
}
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