module/icp/algs/aes/aes_impl_x86-64.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or https://opensource.org/licenses/CDDL-1.0.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 #if defined(__x86_64)
  26
  27 #include <sys/simd.h>
  28 #include <aes/aes_impl.h>
  29
  30 /*
  31  * Expand the 32-bit AES cipher key array into the encryption and decryption
  32  * key schedules.
  33  *
  34  * Parameters:
  35  * key          AES key schedule to be initialized
  36  * keyarr32     User key
  37  * keyBits      AES key size (128, 192, or 256 bits)
  38  */
  39 static void
  40 aes_x86_64_generate(aes_key_t *key, const uint32_t *keyarr32, int keybits)
  41 {
  42         key->nr = rijndael_key_setup_enc_amd64(&(key->encr_ks.ks32[0]),
  43             keyarr32, keybits);
  44         key->nr = rijndael_key_setup_dec_amd64(&(key->decr_ks.ks32[0]),
  45             keyarr32, keybits);
  46 }
  47
  48 static boolean_t
  49 aes_x86_64_will_work(void)
  50 {
  51         return (B_TRUE);
  52 }
  53
  54 const aes_impl_ops_t aes_x86_64_impl = {
  55         .generate = &aes_x86_64_generate,
  56         .encrypt = &aes_encrypt_amd64,
  57         .decrypt = &aes_decrypt_amd64,
  58         .is_supported = &aes_x86_64_will_work,
  59         .needs_byteswap = B_FALSE,
  60         .name = "x86_64"
  61 };
  62
  63 #endif /* defined(__x86_64) */