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Extend AES-SIV implementation to support different key lengths

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The previous implementation was hardcoded to use 128-bit AES key
(AEAD_AES_SIV_CMAC_256). Extend this by allowing AEAD_AES_SIV_CMAC_384
and AEAD_AES_SIV_CMAC_512 with 192-bit and 256-bit AES keys.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2016-10-10 19:27:57 +03:00 • committed by Jouni Malinen
parent e2991ee580
commit 325a85be36
6 changed files with 80 additions and 36 deletions
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10
src/crypto/aes_siv.h
View file

@ -9,10 +9,12 @@
#ifndef AES_SIV_H
#define AES_SIV_H
int aes_siv_encrypt(const u8 *key, const u8 *pw,
size_t pwlen, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *out);
int aes_siv_decrypt(const u8 *key, const u8 *iv_crypt, size_t iv_c_len,
int aes_siv_encrypt(const u8 *key, size_t key_len,
const u8 *pw, size_t pwlen,
size_t num_elem, const u8 *addr[], const size_t *len,
u8 *out);
int aes_siv_decrypt(const u8 *key, size_t key_len,
const u8 *iv_crypt, size_t iv_c_len,
size_t num_elem, const u8 *addr[], const size_t *len,
u8 *out);