summaryrefslogtreecommitdiff
path: root/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce_a64.S
diff options
context:
space:
mode:
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.S144
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)