diff options
Diffstat (limited to 'module/icp/algs/aes/aes_impl_x86-64.c')
| -rw-r--r-- | module/icp/algs/aes/aes_impl_x86-64.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/module/icp/algs/aes/aes_impl_x86-64.c b/module/icp/algs/aes/aes_impl_x86-64.c new file mode 100644 index 000000000..b4515fa22 --- /dev/null +++ b/module/icp/algs/aes/aes_impl_x86-64.c @@ -0,0 +1,75 @@ +/* + * 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 <linux/simd_x86.h> + +/* These functions are used to execute amd64 instructions for AMD or Intel: */ +extern int rijndael_key_setup_enc_amd64(uint32_t rk[], + const uint32_t cipherKey[], int keyBits); +extern int rijndael_key_setup_dec_amd64(uint32_t rk[], + const uint32_t cipherKey[], int keyBits); +extern void aes_encrypt_amd64(const uint32_t rk[], int Nr, + const uint32_t pt[4], uint32_t ct[4]); +extern void aes_decrypt_amd64(const uint32_t rk[], int Nr, + const uint32_t ct[4], uint32_t pt[4]); + + +#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) */ |