diff options
Diffstat (limited to '')
-rw-r--r-- | src/crypto/isa-l/isa-l_crypto/aes/aarch64/xts_keyexp_aes_256_dec.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/aes/aarch64/xts_keyexp_aes_256_dec.S b/src/crypto/isa-l/isa-l_crypto/aes/aarch64/xts_keyexp_aes_256_dec.S new file mode 100644 index 000000000..95c8bf63d --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/aes/aarch64/xts_keyexp_aes_256_dec.S @@ -0,0 +1,49 @@ +/********************************************************************** + Copyright(c) 2021 Arm Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Arm Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ + .arch armv8-a+crypto + .text + +#include "xts_aes_256_common.S" +#include "xts_aes_common.S" + +/* + * void XTS_AES_256_dec_expanded_key_ce( + * uint8_t *k2, //!< expanded key used for tweaking, 16*15 bytes - encryption key is used + * uint8_t *k1, //!< expanded decryption key used for decryption of tweaked ciphertext, 16*15 bytes + * uint8_t *TW_initial, //!< initial tweak value, 16 bytes + * uint64_t N, //!< sector size, in bytes + * const uint8_t *ct, //!< ciphertext sector input data + * uint8_t *pt //!< plaintext sector output data + * ); +*/ + .global XTS_AES_256_dec_expanded_key_ce + .type XTS_AES_256_dec_expanded_key_ce, %function +XTS_AES_256_dec_expanded_key_ce: + xts_aes_crypt 1,keyload_and_encrypt_tweak,vIV0,key2,key1 + .size XTS_AES_256_dec_expanded_key_ce, .-XTS_AES_256_dec_expanded_key_ce |