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Diffstat (limited to '')
| -rw-r--r-- | src/crypto/isa-l/isa-l_crypto/mh_sha1/aarch64/mh_sha1_block_asimd.S | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/mh_sha1/aarch64/mh_sha1_block_asimd.S b/src/crypto/isa-l/isa-l_crypto/mh_sha1/aarch64/mh_sha1_block_asimd.S new file mode 100644 index 000000000..22f716f27 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/mh_sha1/aarch64/mh_sha1_block_asimd.S @@ -0,0 +1,124 @@ +/********************************************************************** + 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 + +#include "sha1_asimd_common.S" + +.macro load_x4_word idx:req + ld1 {WORD\idx\().16b},[segs_ptr] + add segs_ptr,segs_ptr,#64 +.endm + +/* + * void mh_sha1_block_asimd (const uint8_t * input_data, + * uint32_t mh_sha1_digests[SHA1_DIGEST_WORDS][HASH_SEGS], + * uint8_t frame_buffer[MH_SHA1_BLOCK_SIZE], + * uint32_t num_blocks); + * arg 0 pointer to input data + * arg 1 pointer to digests, include segments digests(uint32_t digests[16][5]) + * arg 2 pointer to aligned_frame_buffer which is used to save the big_endian data. + * arg 3 number of 1KB blocks + */ + + input_data .req x0 + sha1_digest .req x1 + data_buf .req x2 + num_blocks .req w3 + src .req x4 + dst .req x5 + offs .req x6 + mh_segs .req x7 + tmp .req x8 + segs_ptr .req x9 + block_ctr .req w10 + + .global mh_sha1_block_asimd + .type mh_sha1_block_asimd, %function +mh_sha1_block_asimd: + cmp num_blocks, #0 + beq .return + sha1_asimd_save_stack + + mov mh_segs, #0 +.seg_loops: + add segs_ptr,input_data,mh_segs + mov offs, #64 + add src, sha1_digest, mh_segs + ld1 {VA.4S}, [src], offs + ld1 {VB.4S}, [src], offs + ld1 {VC.4S}, [src], offs + ld1 {VD.4S}, [src], offs + ld1 {VE.4S}, [src], offs + mov block_ctr,num_blocks + +.block_loop: + sha1_single + subs block_ctr, block_ctr, 1 + bne .block_loop + + mov offs, #64 + add dst, sha1_digest, mh_segs + st1 {VA.4S}, [dst], offs + st1 {VB.4S}, [dst], offs + st1 {VC.4S}, [dst], offs + st1 {VD.4S}, [dst], offs + st1 {VE.4S}, [dst], offs + + add mh_segs, mh_segs, #16 + cmp mh_segs, #64 + bne .seg_loops + + sha1_asimd_restore_stack +.return: + ret + + .size mh_sha1_block_asimd, .-mh_sha1_block_asimd + .section .rodata.cst16,"aM",@progbits,16 + .align 16 +KEY_0: + .word 0x5a827999 + .word 0x5a827999 + .word 0x5a827999 + .word 0x5a827999 +KEY_1: + .word 0x6ed9eba1 + .word 0x6ed9eba1 + .word 0x6ed9eba1 + .word 0x6ed9eba1 +KEY_2: + .word 0x8f1bbcdc + .word 0x8f1bbcdc + .word 0x8f1bbcdc + .word 0x8f1bbcdc +KEY_3: + .word 0xca62c1d6 + .word 0xca62c1d6 + .word 0xca62c1d6 + .word 0xca62c1d6 |