scalarmult_ed25519_base(): return -1 if the scalar (not the result) is all zero

This commit is contained in:
Frank Denis 2017-12-03 20:53:54 +01:00
parent b6262d982f
commit 3e588a48e3

View File

@ -67,7 +67,7 @@ crypto_scalarmult_ed25519_base(unsigned char *q,
_crypto_scalarmult_ed25519_clamp(t);
ge25519_scalarmult_base(&Q, t);
ge25519_p3_tobytes(q, &Q);
if (sodium_is_zero(t, 32) != 0) {
if (sodium_is_zero(n, 32) != 0) {
return -1;
}
return 0;