From 130683715e3e06a91f83ed088cd921b8a54c1e52 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niels=20M=C3=B6ller?= Date: Wed, 12 Feb 2014 21:34:01 +0100 Subject: Generalized nettle_aead abstraction, and moved to nettle-meta.h. --- gcm-aes128-meta.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 gcm-aes128-meta.c (limited to 'gcm-aes128-meta.c') diff --git a/gcm-aes128-meta.c b/gcm-aes128-meta.c new file mode 100644 index 00000000..d6d75764 --- /dev/null +++ b/gcm-aes128-meta.c @@ -0,0 +1,51 @@ +/* gcm-aes128-meta.c */ + +/* nettle, low-level cryptographics library + * + * Copyright (C) 2014 Niels Möller + * + * The nettle library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. + * + * The nettle library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with the nettle library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02111-1301, USA. + */ + +#if HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include "nettle-meta.h" + +#include "gcm.h" + +static nettle_set_key_func gcm_aes128_set_nonce_wrapper; +static void +gcm_aes128_set_nonce_wrapper (void *ctx, const uint8_t *nonce) +{ + gcm_aes128_set_iv (ctx, GCM_IV_SIZE, nonce); +} + +const struct nettle_aead nettle_gcm_aes128 = + { "gcm_aes128", sizeof(struct gcm_aes128_ctx), + GCM_BLOCK_SIZE, AES128_KEY_SIZE, + GCM_IV_SIZE, GCM_DIGEST_SIZE, + (nettle_set_key_func *) gcm_aes128_set_key, + (nettle_set_key_func *) gcm_aes128_set_key, + gcm_aes128_set_nonce_wrapper, + (nettle_hash_update_func *) gcm_aes128_update, + (nettle_crypt_func *) gcm_aes128_encrypt, + (nettle_crypt_func *) gcm_aes128_decrypt, + (nettle_hash_digest_func *) gcm_aes128_digest, + }; -- cgit v1.2.1