diff options
Diffstat (limited to 'core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S')
-rw-r--r-- | core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S b/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S deleted file mode 100644 index 21bcadcb..00000000 --- a/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S +++ /dev/null @@ -1,144 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ -/* - * Copyright (c) 2015, Linaro Limited - */ - -/* - * Core SHA-224/SHA-256 transform using v8 Crypto Extensions - * - * Copyright (C) 2014 Linaro Ltd <ard.biesheuvel@linaro.org> - */ - - -#define ENTRY(func) \ - .global func ; \ - .type func , %function ; \ - func : - -#define ENDPROC(func) \ - .size func , .-func - - .text - .arch armv8-a+crypto - - dga .req q20 - dgav .req v20 - dgb .req q21 - dgbv .req v21 - - t0 .req v22 - t1 .req v23 - - dg0q .req q24 - dg0v .req v24 - dg1q .req q25 - dg1v .req v25 - dg2q .req q26 - dg2v .req v26 - - .macro add_only, ev, rc, s0 - mov dg2v.16b, dg0v.16b - .ifeq \ev - add t1.4s, v\s0\().4s, \rc\().4s - sha256h dg0q, dg1q, t0.4s - sha256h2 dg1q, dg2q, t0.4s - .else - .ifnb \s0 - add t0.4s, v\s0\().4s, \rc\().4s - .endif - sha256h dg0q, dg1q, t1.4s - sha256h2 dg1q, dg2q, t1.4s - .endif - .endm - - .macro add_update, ev, rc, s0, s1, s2, s3 - sha256su0 v\s0\().4s, v\s1\().4s - add_only \ev, \rc, \s1 - sha256su1 v\s0\().4s, v\s2\().4s, v\s3\().4s - .endm - - /* - * The SHA-256 round constants - */ - .align 4 -.Lsha2_rcon: - .word 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5 - .word 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5 - .word 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3 - .word 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174 - .word 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc - .word 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da - .word 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7 - .word 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967 - .word 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13 - .word 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85 - .word 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3 - .word 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070 - .word 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5 - .word 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3 - .word 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208 - .word 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 - - /* - * void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src, - * int blocks) - */ -ENTRY(sha256_ce_transform) - /* load round constants */ - adr x8, .Lsha2_rcon - ld1 { v0.4s- v3.4s}, [x8], #64 - ld1 { v4.4s- v7.4s}, [x8], #64 - ld1 { v8.4s-v11.4s}, [x8], #64 - ld1 {v12.4s-v15.4s}, [x8] - - /* load state */ - mov x9, x0 - ld1 {dgav.4s}, [x9], #16 - ld1 {dgbv.4s}, [x9] - - /* load input */ -0: ld1 {v16.16b-v19.16b}, [x1], #64 - sub w2, w2, #1 - - rev32 v16.16b, v16.16b - rev32 v17.16b, v17.16b - rev32 v18.16b, v18.16b - rev32 v19.16b, v19.16b - -1: add t0.4s, v16.4s, v0.4s - mov dg0v.16b, dgav.16b - mov dg1v.16b, dgbv.16b - - add_update 0, v1, 16, 17, 18, 19 - add_update 1, v2, 17, 18, 19, 16 - add_update 0, v3, 18, 19, 16, 17 - add_update 1, v4, 19, 16, 17, 18 - - add_update 0, v5, 16, 17, 18, 19 - add_update 1, v6, 17, 18, 19, 16 - add_update 0, v7, 18, 19, 16, 17 - add_update 1, v8, 19, 16, 17, 18 - - add_update 0, v9, 16, 17, 18, 19 - add_update 1, v10, 17, 18, 19, 16 - add_update 0, v11, 18, 19, 16, 17 - add_update 1, v12, 19, 16, 17, 18 - - add_only 0, v13, 17 - add_only 1, v14, 18 - add_only 0, v15, 19 - add_only 1 - - /* update state */ - add dgav.4s, dgav.4s, dg0v.4s - add dgbv.4s, dgbv.4s, dg1v.4s - - /* handled all input blocks? */ - cbnz w2, 0b - - /* store new state */ -3: mov x9, x0 - st1 {dgav.16b}, [x9], #16 - st1 {dgbv.16b}, [x9] - ret -ENDPROC(sha256_ce_transform) |