Fix GHASH comment.

This commit is contained in:
Michael Scire 2018-02-20 09:41:16 -08:00
parent 77c93221e9
commit 25e6317272

View file

@ -148,7 +148,9 @@ int gcm_decrypt_key(unsigned int keyslot, void *dst, size_t dst_size, const void
uint8_t j_block[0x10];
ghash(j_block, src, 0x10, NULL, 0);
/* MAC = GHASH(CTR) ^ ENCRYPT(J) */
/* MAC = GHASH(PLAINTEXT) ^ ENCRYPT(J) */
/* Note: That MAC is calculated over plaintext is non-standard. */
/* It is supposed to be over the ciphertext. */
uint8_t calc_mac[0x10];
ghash(calc_mac, dst, src_size - 0x20, j_block, 1);