No need for memmove() when no overlap is possible

This commit is contained in:
Frank Denis 2017-03-01 14:07:12 +01:00
parent 6349e75304
commit 6ac55a30be
2 changed files with 2 additions and 2 deletions

View File

@ -21,7 +21,7 @@ crypto_box_curve25519xchacha20poly1305_seed_keypair(unsigned char * pk,
unsigned char hash[64];
crypto_hash_sha512(hash, seed, 32);
memmove(sk, hash, 32);
memcpy(sk, hash, 32);
sodium_memzero(hash, sizeof hash);
return crypto_scalarmult_curve25519_base(pk, sk);

View File

@ -16,7 +16,7 @@ crypto_box_curve25519xsalsa20poly1305_seed_keypair(unsigned char * pk,
unsigned char hash[64];
crypto_hash_sha512(hash, seed, 32);
memmove(sk, hash, 32);
memcpy(sk, hash, 32);
sodium_memzero(hash, sizeof hash);
return crypto_scalarmult_curve25519_base(pk, sk);