mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
e1178600cc
The aes code has been refactored into generic and algorithn specific parts, so that most of the code can be shared. The cipher related files have been broken up into smaller parts. Add chunked variant of mode ciphers - aria uses this (many other ciphers will use this new code instead of the generic code used by aes). Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9451)
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*
|
|
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
/*-
|
|
* Generic support for ARIA GCM.
|
|
* This file is included by cipher_gcm_hw.c
|
|
*/
|
|
|
|
#if !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE)
|
|
|
|
static int aria_gcm_initkey(PROV_GCM_CTX *ctx, const unsigned char *key,
|
|
size_t keylen)
|
|
{
|
|
PROV_ARIA_GCM_CTX *actx = (PROV_ARIA_GCM_CTX *)ctx;
|
|
ARIA_KEY *ks = &actx->ks.ks;
|
|
|
|
SET_KEY_CTR_FN(ks, aria_set_encrypt_key, aria_encrypt, NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int aria_cipher_update(PROV_GCM_CTX *ctx, const unsigned char *in,
|
|
size_t len, unsigned char *out)
|
|
{
|
|
if (ctx->enc) {
|
|
if (CRYPTO_gcm128_encrypt(&ctx->gcm, in, out, len))
|
|
return 0;
|
|
} else {
|
|
if (CRYPTO_gcm128_decrypt(&ctx->gcm, in, out, len))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static const PROV_GCM_HW aria_gcm = {
|
|
aria_gcm_initkey,
|
|
gcm_setiv,
|
|
gcm_aad_update,
|
|
aria_cipher_update,
|
|
gcm_cipher_final,
|
|
gcm_one_shot
|
|
};
|
|
const PROV_GCM_HW *PROV_ARIA_HW_gcm(size_t keybits)
|
|
{
|
|
return &aria_gcm;
|
|
}
|
|
|
|
#endif /* !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE) */
|