libsodium/test/default/scalarmult_ed25519.c
2017-11-15 16:57:29 +01:00

49 lines
1.6 KiB
C

#define TEST_NAME "scalarmult_ed25519"
#include "cmptest.h"
int
main(void)
{
static const unsigned char B[32] = {
0x58, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
};
unsigned char *n, *p, *q, *q2;
n = (unsigned char *) sodium_malloc(crypto_scalarmult_ed25519_SCALARBYTES);
p = (unsigned char *) sodium_malloc(crypto_scalarmult_ed25519_BYTES);
q = (unsigned char *) sodium_malloc(crypto_scalarmult_ed25519_BYTES);
q2 = (unsigned char *) sodium_malloc(crypto_scalarmult_ed25519_BYTES);
randombytes_buf(n, crypto_scalarmult_ed25519_SCALARBYTES);
if (crypto_scalarmult_ed25519_base(q, n) != 0) {
printf("crypto_scalarmult_ed25519_base() failed\n");
}
memcpy(p, B, crypto_scalarmult_ed25519_BYTES);
if (crypto_scalarmult_ed25519(q2, n, p) != 0) {
printf("crypto_scalarmult_ed25519() failed\n");
}
if (memcmp(q, q2, crypto_scalarmult_ed25519_BYTES) != 0) {
printf("crypto_scalarmult_ed25519_base(n) != crypto_scalarmult_ed25519(n, 9)\n");
}
memset(n, 0, crypto_scalarmult_ed25519_BYTES);
if (crypto_scalarmult_ed25519_base(q, n) != 0) {
printf("crypto_scalarmult_ed25519_base() didn't fail\n");
}
if (crypto_scalarmult_ed25519(q2, n, p) != 0) {
printf("crypto_scalarmult_ed25519() didn't fail\n");
}
sodium_free(q2);
sodium_free(q);
sodium_free(p);
sodium_free(n);
printf("OK\n");
return 0;
}