zfs-builds-mm/zfs-2.0.0-rc6/module/icp/algs/aes/aes_impl_x86-64.c
2020-11-15 11:35:49 +01:00

63 lines
1.8 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#if defined(__x86_64)
#include <sys/simd.h>
#include <aes/aes_impl.h>
/*
* Expand the 32-bit AES cipher key array into the encryption and decryption
* key schedules.
*
* Parameters:
* key AES key schedule to be initialized
* keyarr32 User key
* keyBits AES key size (128, 192, or 256 bits)
*/
static void
aes_x86_64_generate(aes_key_t *key, const uint32_t *keyarr32, int keybits)
{
key->nr = rijndael_key_setup_enc_amd64(&(key->encr_ks.ks32[0]),
keyarr32, keybits);
key->nr = rijndael_key_setup_dec_amd64(&(key->decr_ks.ks32[0]),
keyarr32, keybits);
}
static boolean_t
aes_x86_64_will_work(void)
{
return (B_TRUE);
}
const aes_impl_ops_t aes_x86_64_impl = {
.generate = &aes_x86_64_generate,
.encrypt = &aes_encrypt_amd64,
.decrypt = &aes_decrypt_amd64,
.is_supported = &aes_x86_64_will_work,
.needs_byteswap = B_FALSE,
.name = "x86_64"
};
#endif /* defined(__x86_64) */