1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/*
* SHA-160 Source File
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/asm_macr.h>
START_LISTING(sha1_amd64.S)
START_FUNCTION(botan_sha160_amd64_compress)
#define DIGEST_ARR %rdi
#define INPUT %rsi
#define W %rdx
#define LOOP_CTR %eax
#define A %r8d
#define B %r9d
#define C %r10d
#define D %r11d
#define E %ecx
ZEROIZE(LOOP_CTR)
ALIGN;
.LOOP_LOAD_INPUT:
addl $8, %eax
movq ARRAY8(INPUT, 0), %r8
movq ARRAY8(INPUT, 1), %r9
movq ARRAY8(INPUT, 2), %r10
movq ARRAY8(INPUT, 3), %r11
bswap %r8
bswap %r9
bswap %r10
bswap %r11
rolq $32, %r8
rolq $32, %r9
rolq $32, %r10
rolq $32, %r11
movq %r8, ARRAY8(W, 0)
movq %r9, ARRAY8(W, 1)
movq %r10, ARRAY8(W, 2)
movq %r11, ARRAY8(W, 3)
addq $32, W
addq $32, INPUT
cmp IMM(16), LOOP_CTR
jne .LOOP_LOAD_INPUT
/*
#define A %r8d
#define B %r9d
#define C %r10d
#define D %r11d
#define E %ecx
*/
ALIGN;
.LOOP_EXPANSION:
addl $4, LOOP_CTR
ZEROIZE(A)
ASSIGN(B, ARRAY4(W, -1))
ASSIGN(C, ARRAY4(W, -2))
ASSIGN(D, ARRAY4(W, -3))
XOR(A, ARRAY4(W, -5))
XOR(B, ARRAY4(W, -6))
XOR(C, ARRAY4(W, -7))
XOR(D, ARRAY4(W, -8))
XOR(A, ARRAY4(W, -11))
XOR(B, ARRAY4(W, -12))
XOR(C, ARRAY4(W, -13))
XOR(D, ARRAY4(W, -14))
XOR(A, ARRAY4(W, -13))
XOR(B, ARRAY4(W, -14))
XOR(C, ARRAY4(W, -15))
XOR(D, ARRAY4(W, -16))
ROTL_IMM(D, 1)
ROTL_IMM(C, 1)
ROTL_IMM(B, 1)
XOR(A, D)
ROTL_IMM(A, 1)
ASSIGN(ARRAY4(W, 0), D)
ASSIGN(ARRAY4(W, 1), C)
ASSIGN(ARRAY4(W, 2), B)
ASSIGN(ARRAY4(W, 3), A)
addq $16, W
cmp IMM(80), LOOP_CTR
jne .LOOP_EXPANSION
subq $320, W
#define MAGIC1 0x5A827999
#define MAGIC2 0x6ED9EBA1
#define MAGIC3 0x8F1BBCDC
#define MAGIC4 0xCA62C1D6
#define T %esi
#define T2 %eax
#define F1(A, B, C, D, E, F, N) \
ASSIGN(T2, ARRAY4(W, N)) ; \
ASSIGN(A, F) ; \
ROTL_IMM(F, 5) ; \
ADD(F, E) ; \
ASSIGN(E, C) ; \
XOR(E, D) ; \
ADD3_IMM(F, T2, MAGIC1) ; \
AND(E, B) ; \
XOR(E, D) ; \
ROTR_IMM(B, 2) ; \
ADD(E, F) ;
#define F2_4(A, B, C, D, E, F, N, MAGIC) \
ASSIGN(T2, ARRAY4(W, N)) ; \
ASSIGN(A, F) ; \
ROTL_IMM(F, 5) ; \
ADD(F, E) ; \
ASSIGN(E, B) ; \
XOR(E, C) ; \
ADD3_IMM(F, T2, MAGIC) ; \
XOR(E, D) ; \
ROTR_IMM(B, 2) ; \
ADD(E, F) ;
#define F3(A, B, C, D, E, F, N) \
ASSIGN(T2, ARRAY4(W, N)) ; \
ASSIGN(A, F) ; \
ROTL_IMM(F, 5) ; \
ADD(F, E) ; \
ASSIGN(E, B) ; \
OR(E, C) ; \
AND(E, D) ; \
ADD3_IMM(F, T2, MAGIC3) ; \
ASSIGN(T2, B) ; \
AND(T2, C) ; \
OR(E, T2) ; \
ROTR_IMM(B, 2) ; \
ADD(E, F) ;
#define F2(A, B, C, D, E, F, W) \
F2_4(A, B, C, D, E, F, W, MAGIC2)
#define F4(A, B, C, D, E, F, W) \
F2_4(A, B, C, D, E, F, W, MAGIC4)
ASSIGN(T, ARRAY4(DIGEST_ARR, 0))
ASSIGN(B, ARRAY4(DIGEST_ARR, 1))
ASSIGN(C, ARRAY4(DIGEST_ARR, 2))
ASSIGN(D, ARRAY4(DIGEST_ARR, 3))
ASSIGN(E, ARRAY4(DIGEST_ARR, 4))
/* First Round */
F1(A, B, C, D, E, T, 0)
F1(T, A, B, C, D, E, 1)
F1(E, T, A, B, C, D, 2)
F1(D, E, T, A, B, C, 3)
F1(C, D, E, T, A, B, 4)
F1(B, C, D, E, T, A, 5)
F1(A, B, C, D, E, T, 6)
F1(T, A, B, C, D, E, 7)
F1(E, T, A, B, C, D, 8)
F1(D, E, T, A, B, C, 9)
F1(C, D, E, T, A, B, 10)
F1(B, C, D, E, T, A, 11)
F1(A, B, C, D, E, T, 12)
F1(T, A, B, C, D, E, 13)
F1(E, T, A, B, C, D, 14)
F1(D, E, T, A, B, C, 15)
F1(C, D, E, T, A, B, 16)
F1(B, C, D, E, T, A, 17)
F1(A, B, C, D, E, T, 18)
F1(T, A, B, C, D, E, 19)
/* Second Round */
F2(E, T, A, B, C, D, 20)
F2(D, E, T, A, B, C, 21)
F2(C, D, E, T, A, B, 22)
F2(B, C, D, E, T, A, 23)
F2(A, B, C, D, E, T, 24)
F2(T, A, B, C, D, E, 25)
F2(E, T, A, B, C, D, 26)
F2(D, E, T, A, B, C, 27)
F2(C, D, E, T, A, B, 28)
F2(B, C, D, E, T, A, 29)
F2(A, B, C, D, E, T, 30)
F2(T, A, B, C, D, E, 31)
F2(E, T, A, B, C, D, 32)
F2(D, E, T, A, B, C, 33)
F2(C, D, E, T, A, B, 34)
F2(B, C, D, E, T, A, 35)
F2(A, B, C, D, E, T, 36)
F2(T, A, B, C, D, E, 37)
F2(E, T, A, B, C, D, 38)
F2(D, E, T, A, B, C, 39)
/* Third Round */
F3(C, D, E, T, A, B, 40)
F3(B, C, D, E, T, A, 41)
F3(A, B, C, D, E, T, 42)
F3(T, A, B, C, D, E, 43)
F3(E, T, A, B, C, D, 44)
F3(D, E, T, A, B, C, 45)
F3(C, D, E, T, A, B, 46)
F3(B, C, D, E, T, A, 47)
F3(A, B, C, D, E, T, 48)
F3(T, A, B, C, D, E, 49)
F3(E, T, A, B, C, D, 50)
F3(D, E, T, A, B, C, 51)
F3(C, D, E, T, A, B, 52)
F3(B, C, D, E, T, A, 53)
F3(A, B, C, D, E, T, 54)
F3(T, A, B, C, D, E, 55)
F3(E, T, A, B, C, D, 56)
F3(D, E, T, A, B, C, 57)
F3(C, D, E, T, A, B, 58)
F3(B, C, D, E, T, A, 59)
/* Fourth Round */
F4(A, B, C, D, E, T, 60)
F4(T, A, B, C, D, E, 61)
F4(E, T, A, B, C, D, 62)
F4(D, E, T, A, B, C, 63)
F4(C, D, E, T, A, B, 64)
F4(B, C, D, E, T, A, 65)
F4(A, B, C, D, E, T, 66)
F4(T, A, B, C, D, E, 67)
F4(E, T, A, B, C, D, 68)
F4(D, E, T, A, B, C, 69)
F4(C, D, E, T, A, B, 70)
F4(B, C, D, E, T, A, 71)
F4(A, B, C, D, E, T, 72)
F4(T, A, B, C, D, E, 73)
F4(E, T, A, B, C, D, 74)
F4(D, E, T, A, B, C, 75)
F4(C, D, E, T, A, B, 76)
F4(B, C, D, E, T, A, 77)
F4(A, B, C, D, E, T, 78)
F4(T, A, B, C, D, E, 79)
ADD(ARRAY4(DIGEST_ARR, 0), D)
ADD(ARRAY4(DIGEST_ARR, 1), T)
ADD(ARRAY4(DIGEST_ARR, 2), A)
ADD(ARRAY4(DIGEST_ARR, 3), B)
ADD(ARRAY4(DIGEST_ARR, 4), C)
END_FUNCTION(botan_sha160_amd64_compress)
|
