1 /* SPDX-License-Identifier: GPL-2.0 */
3 * sha512-ce-core.S - core SHA-384/SHA-512 transform using v8 Crypto Extensions
5 * Copyright (C) 2018 Linaro Ltd <ard.biesheuvel@linaro.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/linkage.h>
13 #include <asm/assembler.h>
15 .irp b,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
20 .macro sha512h, rd, rn, rm
21 .inst 0xce608000 | .L\rd | (.L\rn << 5) | (.L\rm << 16)
24 .macro sha512h2, rd, rn, rm
25 .inst 0xce608400 | .L\rd | (.L\rn << 5) | (.L\rm << 16)
28 .macro sha512su0, rd, rn
29 .inst 0xcec08000 | .L\rd | (.L\rn << 5)
32 .macro sha512su1, rd, rn, rm
33 .inst 0xce608800 | .L\rd | (.L\rn << 5) | (.L\rm << 16)
37 * The SHA-512 round constants
39 .section ".rodata", "a"
42 .quad 0x428a2f98d728ae22, 0x7137449123ef65cd
43 .quad 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc
44 .quad 0x3956c25bf348b538, 0x59f111f1b605d019
45 .quad 0x923f82a4af194f9b, 0xab1c5ed5da6d8118
46 .quad 0xd807aa98a3030242, 0x12835b0145706fbe
47 .quad 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2
48 .quad 0x72be5d74f27b896f, 0x80deb1fe3b1696b1
49 .quad 0x9bdc06a725c71235, 0xc19bf174cf692694
50 .quad 0xe49b69c19ef14ad2, 0xefbe4786384f25e3
51 .quad 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65
52 .quad 0x2de92c6f592b0275, 0x4a7484aa6ea6e483
53 .quad 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5
54 .quad 0x983e5152ee66dfab, 0xa831c66d2db43210
55 .quad 0xb00327c898fb213f, 0xbf597fc7beef0ee4
56 .quad 0xc6e00bf33da88fc2, 0xd5a79147930aa725
57 .quad 0x06ca6351e003826f, 0x142929670a0e6e70
58 .quad 0x27b70a8546d22ffc, 0x2e1b21385c26c926
59 .quad 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df
60 .quad 0x650a73548baf63de, 0x766a0abb3c77b2a8
61 .quad 0x81c2c92e47edaee6, 0x92722c851482353b
62 .quad 0xa2bfe8a14cf10364, 0xa81a664bbc423001
63 .quad 0xc24b8b70d0f89791, 0xc76c51a30654be30
64 .quad 0xd192e819d6ef5218, 0xd69906245565a910
65 .quad 0xf40e35855771202a, 0x106aa07032bbd1b8
66 .quad 0x19a4c116b8d2d0c8, 0x1e376c085141ab53
67 .quad 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8
68 .quad 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb
69 .quad 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3
70 .quad 0x748f82ee5defb2fc, 0x78a5636f43172f60
71 .quad 0x84c87814a1f0ab72, 0x8cc702081a6439ec
72 .quad 0x90befffa23631e28, 0xa4506cebde82bde9
73 .quad 0xbef9a3f7b2c67915, 0xc67178f2e372532b
74 .quad 0xca273eceea26619c, 0xd186b8c721c0c207
75 .quad 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178
76 .quad 0x06f067aa72176fba, 0x0a637dc5a2c898a6
77 .quad 0x113f9804bef90dae, 0x1b710b35131c471b
78 .quad 0x28db77f523047d84, 0x32caab7b40c72493
79 .quad 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c
80 .quad 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a
81 .quad 0x5fcb6fab3ad6faec, 0x6c44198c4a475817
83 .macro dround, i0, i1, i2, i3, i4, rc0, rc1, in0, in1, in2, in3, in4
85 ld1 {v\rc1\().2d}, [x4], #16
87 add v5.2d, v\rc0\().2d, v\in0\().2d
88 ext v6.16b, v\i2\().16b, v\i3\().16b, #8
89 ext v5.16b, v5.16b, v5.16b, #8
90 ext v7.16b, v\i1\().16b, v\i2\().16b, #8
91 add v\i3\().2d, v\i3\().2d, v5.2d
93 ext v5.16b, v\in3\().16b, v\in4\().16b, #8
94 sha512su0 v\in0\().2d, v\in1\().2d
96 sha512h q\i3, q6, v7.2d
98 sha512su1 v\in0\().2d, v\in2\().2d, v5.2d
100 add v\i4\().2d, v\i1\().2d, v\i3\().2d
101 sha512h2 q\i3, q\i1, v\i0\().2d
105 * void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
109 SYM_FUNC_START(sha512_ce_transform)
117 0: ld1 {v8.2d-v11.2d}, [x19]
119 /* load first 4 round constants */
120 adr_l x3, .Lsha512_rcon
121 ld1 {v20.2d-v23.2d}, [x3], #64
124 1: ld1 {v12.2d-v15.2d}, [x20], #64
125 ld1 {v16.2d-v19.2d}, [x20], #64
128 CPU_LE( rev64 v12.16b, v12.16b )
129 CPU_LE( rev64 v13.16b, v13.16b )
130 CPU_LE( rev64 v14.16b, v14.16b )
131 CPU_LE( rev64 v15.16b, v15.16b )
132 CPU_LE( rev64 v16.16b, v16.16b )
133 CPU_LE( rev64 v17.16b, v17.16b )
134 CPU_LE( rev64 v18.16b, v18.16b )
135 CPU_LE( rev64 v19.16b, v19.16b )
137 mov x4, x3 // rc pointer
144 // v0 ab cd -- ef gh ab
145 // v1 cd -- ef gh ab cd
146 // v2 ef gh ab cd -- ef
147 // v3 gh ab cd -- ef gh
148 // v4 -- ef gh ab cd --
150 dround 0, 1, 2, 3, 4, 20, 24, 12, 13, 19, 16, 17
151 dround 3, 0, 4, 2, 1, 21, 25, 13, 14, 12, 17, 18
152 dround 2, 3, 1, 4, 0, 22, 26, 14, 15, 13, 18, 19
153 dround 4, 2, 0, 1, 3, 23, 27, 15, 16, 14, 19, 12
154 dround 1, 4, 3, 0, 2, 24, 28, 16, 17, 15, 12, 13
156 dround 0, 1, 2, 3, 4, 25, 29, 17, 18, 16, 13, 14
157 dround 3, 0, 4, 2, 1, 26, 30, 18, 19, 17, 14, 15
158 dround 2, 3, 1, 4, 0, 27, 31, 19, 12, 18, 15, 16
159 dround 4, 2, 0, 1, 3, 28, 24, 12, 13, 19, 16, 17
160 dround 1, 4, 3, 0, 2, 29, 25, 13, 14, 12, 17, 18
162 dround 0, 1, 2, 3, 4, 30, 26, 14, 15, 13, 18, 19
163 dround 3, 0, 4, 2, 1, 31, 27, 15, 16, 14, 19, 12
164 dround 2, 3, 1, 4, 0, 24, 28, 16, 17, 15, 12, 13
165 dround 4, 2, 0, 1, 3, 25, 29, 17, 18, 16, 13, 14
166 dround 1, 4, 3, 0, 2, 26, 30, 18, 19, 17, 14, 15
168 dround 0, 1, 2, 3, 4, 27, 31, 19, 12, 18, 15, 16
169 dround 3, 0, 4, 2, 1, 28, 24, 12, 13, 19, 16, 17
170 dround 2, 3, 1, 4, 0, 29, 25, 13, 14, 12, 17, 18
171 dround 4, 2, 0, 1, 3, 30, 26, 14, 15, 13, 18, 19
172 dround 1, 4, 3, 0, 2, 31, 27, 15, 16, 14, 19, 12
174 dround 0, 1, 2, 3, 4, 24, 28, 16, 17, 15, 12, 13
175 dround 3, 0, 4, 2, 1, 25, 29, 17, 18, 16, 13, 14
176 dround 2, 3, 1, 4, 0, 26, 30, 18, 19, 17, 14, 15
177 dround 4, 2, 0, 1, 3, 27, 31, 19, 12, 18, 15, 16
178 dround 1, 4, 3, 0, 2, 28, 24, 12, 13, 19, 16, 17
180 dround 0, 1, 2, 3, 4, 29, 25, 13, 14, 12, 17, 18
181 dround 3, 0, 4, 2, 1, 30, 26, 14, 15, 13, 18, 19
182 dround 2, 3, 1, 4, 0, 31, 27, 15, 16, 14, 19, 12
183 dround 4, 2, 0, 1, 3, 24, 28, 16, 17, 15, 12, 13
184 dround 1, 4, 3, 0, 2, 25, 29, 17, 18, 16, 13, 14
186 dround 0, 1, 2, 3, 4, 26, 30, 18, 19, 17, 14, 15
187 dround 3, 0, 4, 2, 1, 27, 31, 19, 12, 18, 15, 16
188 dround 2, 3, 1, 4, 0, 28, 24, 12
189 dround 4, 2, 0, 1, 3, 29, 25, 13
190 dround 1, 4, 3, 0, 2, 30, 26, 14
192 dround 0, 1, 2, 3, 4, 31, 27, 15
193 dround 3, 0, 4, 2, 1, 24, , 16
194 dround 2, 3, 1, 4, 0, 25, , 17
195 dround 4, 2, 0, 1, 3, 26, , 18
196 dround 1, 4, 3, 0, 2, 27, , 19
199 add v8.2d, v8.2d, v0.2d
200 add v9.2d, v9.2d, v1.2d
201 add v10.2d, v10.2d, v2.2d
202 add v11.2d, v11.2d, v3.2d
204 /* handled all input blocks? */
207 if_will_cond_yield_neon
208 st1 {v8.2d-v11.2d}, [x19]
215 /* store new state */
216 3: st1 {v8.2d-v11.2d}, [x19]
219 SYM_FUNC_END(sha512_ce_transform)