diff options
Diffstat (limited to 'src/crypto/isa-l/isa-l_crypto/aes/cbc_enc_128_x8_sb.asm')
| -rw-r--r-- | src/crypto/isa-l/isa-l_crypto/aes/cbc_enc_128_x8_sb.asm | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/aes/cbc_enc_128_x8_sb.asm b/src/crypto/isa-l/isa-l_crypto/aes/cbc_enc_128_x8_sb.asm new file mode 100644 index 000000000..24ab33fe5 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/aes/cbc_enc_128_x8_sb.asm @@ -0,0 +1,151 @@ +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright(c) 2011-2016 Intel 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 Intel 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. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +;;; routine to do a 128 bit CBC AES encrypt +;; clobbers all registers except for ARG1 and rbp + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;;; Updates In and Out pointers at end +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;;void aes_cbc_enc_256_x8(void *in, +;; uint8_t *IV, +;; uint8_t keys, +;; void *out, +;; uint64_t len_bytes); +; arg 1: IN: pointer to input (cipher text) +; arg 2: IV: pointer to IV +; arg 3: KEYS: pointer to keys +; arg 4: OUT: pointer to output (plain text) +; arg 5: LEN: length in bytes (multiple of 16) +;; clobbers all registers except for ARG1 and rbp + +%include "reg_sizes.asm" + +%ifidn __OUTPUT_FORMAT__, elf64 +%define IN0 rdi +%define IN rdi +%define IV rsi +%define KEYS rdx +%define OUT rcx +%define LEN r8 +%define KEYS0 rdx +%define OUT0 rcx +%define func(x) x: +%define FUNC_SAVE +%define FUNC_RESTORE +%endif + +%ifidn __OUTPUT_FORMAT__, win64 +%define IN0 rcx +%define IN rcx +%define IV rdx +%define KEYS0 r8 +%define OUT0 r9 +%define KEYS r8 +%define OUT r9 +%define LEN r10 +%define PS 8 +%define stack_size 10*16 + 1*8 ; must be an odd multiple of 8 +%define arg(x) [rsp + stack_size + PS + PS*x] + +%define func(x) proc_frame x +%macro FUNC_SAVE 0 + alloc_stack stack_size + vmovdqa [rsp + 0*16], xmm6 + vmovdqa [rsp + 1*16], xmm7 + vmovdqa [rsp + 2*16], xmm8 + vmovdqa [rsp + 3*16], xmm9 + vmovdqa [rsp + 4*16], xmm10 + vmovdqa [rsp + 5*16], xmm11 + vmovdqa [rsp + 6*16], xmm12 + vmovdqa [rsp + 7*16], xmm13 + vmovdqa [rsp + 8*16], xmm14 + vmovdqa [rsp + 9*16], xmm15 + end_prolog + mov LEN, arg(4) +%endmacro + +%macro FUNC_RESTORE 0 + vmovdqa xmm6, [rsp + 0*16] + vmovdqa xmm7, [rsp + 1*16] + vmovdqa xmm8, [rsp + 2*16] + vmovdqa xmm9, [rsp + 3*16] + vmovdqa xmm10, [rsp + 4*16] + vmovdqa xmm11, [rsp + 5*16] + vmovdqa xmm12, [rsp + 6*16] + vmovdqa xmm13, [rsp + 7*16] + vmovdqa xmm14, [rsp + 8*16] + vmovdqa xmm15, [rsp + 9*16] + add rsp, stack_size +%endmacro +%endif + +%define KEY_ROUNDS 11 +%define XMM_USAGE (16) +%DEFINE UNROLLED_LOOPS (3) +%define PARALLEL_BLOCKS (UNROLLED_LOOPS) +%define IV_CNT (1) + +; instruction set specific operation definitions +%define MOVDQ vmovdqu +%macro PXOR 2 + vpxor %1, %1, %2 +%endm + +%macro AES_ENC 2 + vaesenc %1, %1, %2 +%endm + +%macro AES_ENC_LAST 2 + vaesenclast %1, %1, %2 +%endm + +%include "cbc_common.asm" + + +mk_global aes_cbc_enc_128_x8, function +func(aes_cbc_enc_128_x8) + endbranch + FUNC_SAVE + + mov IDX, 0 + + FILL_KEY_CACHE CKEY_CNT, FIRST_CKEY, KEYS, MOVDQ + CBC_ENC_INIT FIRST_XDATA, TMP, MOVDQ, PXOR, IV, IN, IDX + +main_loop: + CBC_ENC_SUBLOOP KEY_ROUNDS, UNROLLED_LOOPS, FIRST_XDATA, MOVDQ, PXOR, AES_ENC, AES_ENC_LAST, TMP, TMP_CNT, FIRST_CKEY, CKEY_CNT, KEYS, CACHED_KEYS, IN, OUT, IDX, LEN + jne main_loop + +done: + + FUNC_RESTORE + ret + +endproc_frame |