| Line 1... |
Line 1... |
| 1 |
; libcrash -- cryptographic hash functions |
1 |
; libcrash -- cryptographic hash functions |
| 2 |
; |
2 |
; |
| 3 |
; Copyright (C) 2012-2013 Ivan Baravy (dunkaist) |
3 |
; Copyright (C) 2012-2013,2016 Ivan Baravy (dunkaist) |
| 4 |
; |
4 |
; |
| 5 |
; This program is free software: you can redistribute it and/or modify |
5 |
; This program is free software: you can redistribute it and/or modify |
| 6 |
; it under the terms of the GNU General Public License as published by |
6 |
; it under the terms of the GNU General Public License as published by |
| 7 |
; the Free Software Foundation, either version 3 of the License, or |
7 |
; the Free Software Foundation, either version 3 of the License, or |
| 8 |
; (at your option) any later version. |
8 |
; (at your option) any later version. |
| Line 13... |
Line 13... |
| 13 |
; GNU General Public License for more details. |
13 |
; GNU General Public License for more details. |
| 14 |
; |
14 |
; |
| 15 |
; You should have received a copy of the GNU General Public License |
15 |
; You should have received a copy of the GNU General Public License |
| 16 |
; along with this program. If not, see . |
16 |
; along with this program. If not, see . |
| Line -... |
Line 17... |
| - |
|
17 |
|
| - |
|
18 |
|
| - |
|
19 |
MD5_BLOCK_SIZE = 64 |
| - |
|
20 |
MD5_HASH_SIZE = 16 |
| - |
|
21 |
MD5_ALIGN = 4 |
| - |
|
22 |
MD5_ALIGN_MASK = MD5_ALIGN - 1 |
| - |
|
23 |
|
| - |
|
24 |
struct ctx_md5 |
| - |
|
25 |
hash rb MD5_HASH_SIZE |
| - |
|
26 |
block rb MD5_BLOCK_SIZE |
| - |
|
27 |
index rd 1 |
| - |
|
28 |
msglen_0 rd 1 |
| - |
|
29 |
msglen_1 rd 1 |
| - |
|
30 |
ends |
| - |
|
31 |
|
| 17 |
|
32 |
|
| 18 |
macro crash.md5.f b, c, d |
33 |
macro md5._.f b, c, d |
| 19 |
{ |
34 |
{ |
| 20 |
push c |
35 |
push c |
| 21 |
xor c, d |
36 |
xor c, d |
| 22 |
and b, c |
37 |
and b, c |
| 23 |
xor b, d |
38 |
xor b, d |
| 24 |
pop c |
39 |
pop c |
| Line 25... |
Line 40... |
| 25 |
} |
40 |
} |
| 26 |
|
41 |
|
| 27 |
macro crash.md5.g b, c, d |
42 |
macro md5._.g b, c, d |
| 28 |
{ |
43 |
{ |
| 29 |
push c d |
44 |
push c d |
| 30 |
and b, d |
45 |
and b, d |
| 31 |
not d |
46 |
not d |
| 32 |
and c, d |
47 |
and c, d |
| 33 |
or b, c |
48 |
or b, c |
| Line 34... |
Line 49... |
| 34 |
pop d c |
49 |
pop d c |
| 35 |
} |
50 |
} |
| 36 |
|
51 |
|
| 37 |
macro crash.md5.h b, c, d |
52 |
macro md5._.h b, c, d |
| 38 |
{ |
53 |
{ |
| Line 39... |
Line 54... |
| 39 |
xor b, c |
54 |
xor b, c |
| 40 |
xor b, d |
55 |
xor b, d |
| 41 |
} |
56 |
} |
| 42 |
|
57 |
|
| 43 |
macro crash.md5.i b, c, d |
58 |
macro md5._.i b, c, d |
| 44 |
{ |
59 |
{ |
| 45 |
push d |
60 |
push d |
| 46 |
not d |
61 |
not d |
| Line 47... |
Line 62... |
| 47 |
or b, d |
62 |
or b, d |
| 48 |
xor b, c |
63 |
xor b, c |
| 49 |
pop d |
64 |
pop d |
| 50 |
} |
65 |
} |
| 51 |
|
66 |
|
| 52 |
macro crash.md5.round func, a, b, c, d, index, shift, ac |
67 |
macro md5._.round func, a, b, c, d, index, shift, ac |
| Line 59... |
Line 74... |
| 59 |
pop b |
74 |
pop b |
| 60 |
add a, b |
75 |
add a, b |
| 61 |
} |
76 |
} |
| Line -... |
Line 77... |
| - |
|
77 |
|
| - |
|
78 |
|
| - |
|
79 |
proc md5.init _ctx |
| - |
|
80 |
mov ebx, [_ctx] |
| - |
|
81 |
lea edi, [ebx + ctx_md5.hash] |
| - |
|
82 |
mov esi, md5._.hash_init |
| - |
|
83 |
mov ecx, MD5_HASH_SIZE/4 |
| - |
|
84 |
rep movsd |
| - |
|
85 |
xor eax, eax |
| - |
|
86 |
mov [ebx + ctx_md5.index], eax |
| - |
|
87 |
mov [ebx + ctx_md5.msglen_0], eax |
| - |
|
88 |
mov [ebx + ctx_md5.msglen_1], eax |
| - |
|
89 |
ret |
| - |
|
90 |
endp |
| 62 |
|
91 |
|
| - |
|
92 |
|
| 63 |
|
93 |
proc md5._.block _hash |
| 64 |
proc crash.md5 _md5, _data |
94 |
|
| 65 |
mov edi, [_md5] |
95 |
mov edi, [_hash] |
| 66 |
mov eax, [edi + 0x0] |
96 |
mov eax, [edi + 0x0] |
| 67 |
mov ebx, [edi + 0x4] |
97 |
mov ebx, [edi + 0x4] |
| Line 68... |
Line 98... |
| 68 |
mov ecx, [edi + 0x8] |
98 |
mov ecx, [edi + 0x8] |
| 69 |
mov edx, [edi + 0xc] |
99 |
mov edx, [edi + 0xc] |
| 70 |
|
100 |
|
| 71 |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 0, 7, 0xd76aa478 |
101 |
md5._.round md5._.f, eax, ebx, ecx, edx, 0, 7, 0xd76aa478 |
| 72 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 1, 12, 0xe8c7b756 |
102 |
md5._.round md5._.f, edx, eax, ebx, ecx, 1, 12, 0xe8c7b756 |
| 73 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 2, 17, 0x242070db |
103 |
md5._.round md5._.f, ecx, edx, eax, ebx, 2, 17, 0x242070db |
| 74 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 3, 22, 0xc1bdceee |
104 |
md5._.round md5._.f, ebx, ecx, edx, eax, 3, 22, 0xc1bdceee |
| 75 |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 4, 7, 0xf57c0faf |
105 |
md5._.round md5._.f, eax, ebx, ecx, edx, 4, 7, 0xf57c0faf |
| 76 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 5, 12, 0x4787c62a |
106 |
md5._.round md5._.f, edx, eax, ebx, ecx, 5, 12, 0x4787c62a |
| 77 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 6, 17, 0xa8304613 |
107 |
md5._.round md5._.f, ecx, edx, eax, ebx, 6, 17, 0xa8304613 |
| 78 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 7, 22, 0xfd469501 |
108 |
md5._.round md5._.f, ebx, ecx, edx, eax, 7, 22, 0xfd469501 |
| 79 |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 8, 7, 0x698098d8 |
109 |
md5._.round md5._.f, eax, ebx, ecx, edx, 8, 7, 0x698098d8 |
| 80 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 9, 12, 0x8b44f7af |
110 |
md5._.round md5._.f, edx, eax, ebx, ecx, 9, 12, 0x8b44f7af |
| 81 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 10, 17, 0xffff5bb1 |
111 |
md5._.round md5._.f, ecx, edx, eax, ebx, 10, 17, 0xffff5bb1 |
| 82 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 11, 22, 0x895cd7be |
112 |
md5._.round md5._.f, ebx, ecx, edx, eax, 11, 22, 0x895cd7be |
| 83 |
crash.md5.round crash.md5.f, eax, ebx, ecx, edx, 12, 7, 0x6b901122 |
113 |
md5._.round md5._.f, eax, ebx, ecx, edx, 12, 7, 0x6b901122 |
| 84 |
crash.md5.round crash.md5.f, edx, eax, ebx, ecx, 13, 12, 0xfd987193 |
114 |
md5._.round md5._.f, edx, eax, ebx, ecx, 13, 12, 0xfd987193 |
| 85 |
crash.md5.round crash.md5.f, ecx, edx, eax, ebx, 14, 17, 0xa679438e |
115 |
md5._.round md5._.f, ecx, edx, eax, ebx, 14, 17, 0xa679438e |
| 86 |
crash.md5.round crash.md5.f, ebx, ecx, edx, eax, 15, 22, 0x49b40821 |
116 |
md5._.round md5._.f, ebx, ecx, edx, eax, 15, 22, 0x49b40821 |
| 87 |
|
117 |
|
| 88 |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 1, 5, 0xf61e2562 |
118 |
md5._.round md5._.g, eax, ebx, ecx, edx, 1, 5, 0xf61e2562 |
| 89 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 6, 9, 0xc040b340 |
119 |
md5._.round md5._.g, edx, eax, ebx, ecx, 6, 9, 0xc040b340 |
| 90 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 11, 14, 0x265e5a51 |
120 |
md5._.round md5._.g, ecx, edx, eax, ebx, 11, 14, 0x265e5a51 |
| 91 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 0, 20, 0xe9b6c7aa |
121 |
md5._.round md5._.g, ebx, ecx, edx, eax, 0, 20, 0xe9b6c7aa |
| 92 |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 5, 5, 0xd62f105d |
122 |
md5._.round md5._.g, eax, ebx, ecx, edx, 5, 5, 0xd62f105d |
| 93 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 10, 9, 0x02441453 |
123 |
md5._.round md5._.g, edx, eax, ebx, ecx, 10, 9, 0x02441453 |
| 94 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 15, 14, 0xd8a1e681 |
124 |
md5._.round md5._.g, ecx, edx, eax, ebx, 15, 14, 0xd8a1e681 |
| 95 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 4, 20, 0xe7d3fbc8 |
125 |
md5._.round md5._.g, ebx, ecx, edx, eax, 4, 20, 0xe7d3fbc8 |
| 96 |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 9, 5, 0x21e1cde6 |
126 |
md5._.round md5._.g, eax, ebx, ecx, edx, 9, 5, 0x21e1cde6 |
| 97 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 14, 9, 0xc33707d6 |
127 |
md5._.round md5._.g, edx, eax, ebx, ecx, 14, 9, 0xc33707d6 |
| 98 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 3, 14, 0xf4d50d87 |
128 |
md5._.round md5._.g, ecx, edx, eax, ebx, 3, 14, 0xf4d50d87 |
| 99 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 8, 20, 0x455a14ed |
129 |
md5._.round md5._.g, ebx, ecx, edx, eax, 8, 20, 0x455a14ed |
| 100 |
crash.md5.round crash.md5.g, eax, ebx, ecx, edx, 13, 5, 0xa9e3e905 |
130 |
md5._.round md5._.g, eax, ebx, ecx, edx, 13, 5, 0xa9e3e905 |
| 101 |
crash.md5.round crash.md5.g, edx, eax, ebx, ecx, 2, 9, 0xfcefa3f8 |
131 |
md5._.round md5._.g, edx, eax, ebx, ecx, 2, 9, 0xfcefa3f8 |
| 102 |
crash.md5.round crash.md5.g, ecx, edx, eax, ebx, 7, 14, 0x676f02d9 |
132 |
md5._.round md5._.g, ecx, edx, eax, ebx, 7, 14, 0x676f02d9 |
| 103 |
crash.md5.round crash.md5.g, ebx, ecx, edx, eax, 12, 20, 0x8d2a4c8a |
133 |
md5._.round md5._.g, ebx, ecx, edx, eax, 12, 20, 0x8d2a4c8a |
| 104 |
|
134 |
|
| 105 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 5, 4, 0xfffa3942 |
135 |
md5._.round md5._.h, eax, ebx, ecx, edx, 5, 4, 0xfffa3942 |
| 106 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 8, 11, 0x8771f681 |
136 |
md5._.round md5._.h, edx, eax, ebx, ecx, 8, 11, 0x8771f681 |
| 107 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 11, 16, 0x6d9d6122 |
137 |
md5._.round md5._.h, ecx, edx, eax, ebx, 11, 16, 0x6d9d6122 |
| 108 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 14, 23, 0xfde5380c |
138 |
md5._.round md5._.h, ebx, ecx, edx, eax, 14, 23, 0xfde5380c |
| 109 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 1, 4, 0xa4beea44 |
139 |
md5._.round md5._.h, eax, ebx, ecx, edx, 1, 4, 0xa4beea44 |
| 110 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 4, 11, 0x4bdecfa9 |
140 |
md5._.round md5._.h, edx, eax, ebx, ecx, 4, 11, 0x4bdecfa9 |
| 111 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 7, 16, 0xf6bb4b60 |
141 |
md5._.round md5._.h, ecx, edx, eax, ebx, 7, 16, 0xf6bb4b60 |
| 112 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 10, 23, 0xbebfbc70 |
142 |
md5._.round md5._.h, ebx, ecx, edx, eax, 10, 23, 0xbebfbc70 |
| 113 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 13, 4, 0x289b7ec6 |
143 |
md5._.round md5._.h, eax, ebx, ecx, edx, 13, 4, 0x289b7ec6 |
| 114 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 0, 11, 0xeaa127fa |
144 |
md5._.round md5._.h, edx, eax, ebx, ecx, 0, 11, 0xeaa127fa |
| 115 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 3, 16, 0xd4ef3085 |
145 |
md5._.round md5._.h, ecx, edx, eax, ebx, 3, 16, 0xd4ef3085 |
| 116 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 6, 23, 0x04881d05 |
146 |
md5._.round md5._.h, ebx, ecx, edx, eax, 6, 23, 0x04881d05 |
| 117 |
crash.md5.round crash.md5.h, eax, ebx, ecx, edx, 9, 4, 0xd9d4d039 |
147 |
md5._.round md5._.h, eax, ebx, ecx, edx, 9, 4, 0xd9d4d039 |
| 118 |
crash.md5.round crash.md5.h, edx, eax, ebx, ecx, 12, 11, 0xe6db99e5 |
148 |
md5._.round md5._.h, edx, eax, ebx, ecx, 12, 11, 0xe6db99e5 |
| 119 |
crash.md5.round crash.md5.h, ecx, edx, eax, ebx, 15, 16, 0x1fa27cf8 |
149 |
md5._.round md5._.h, ecx, edx, eax, ebx, 15, 16, 0x1fa27cf8 |
| 120 |
crash.md5.round crash.md5.h, ebx, ecx, edx, eax, 2, 23, 0xc4ac5665 |
150 |
md5._.round md5._.h, ebx, ecx, edx, eax, 2, 23, 0xc4ac5665 |
| 121 |
|
151 |
|
| 122 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 0, 6, 0xf4292244 |
152 |
md5._.round md5._.i, eax, ebx, ecx, edx, 0, 6, 0xf4292244 |
| 123 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 7, 10, 0x432aff97 |
153 |
md5._.round md5._.i, edx, eax, ebx, ecx, 7, 10, 0x432aff97 |
| 124 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 14, 15, 0xab9423a7 |
154 |
md5._.round md5._.i, ecx, edx, eax, ebx, 14, 15, 0xab9423a7 |
| 125 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 5, 21, 0xfc93a039 |
155 |
md5._.round md5._.i, ebx, ecx, edx, eax, 5, 21, 0xfc93a039 |
| 126 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 12, 6, 0x655b59c3 |
156 |
md5._.round md5._.i, eax, ebx, ecx, edx, 12, 6, 0x655b59c3 |
| 127 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 3, 10, 0x8f0ccc92 |
157 |
md5._.round md5._.i, edx, eax, ebx, ecx, 3, 10, 0x8f0ccc92 |
| 128 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 10, 15, 0xffeff47d |
158 |
md5._.round md5._.i, ecx, edx, eax, ebx, 10, 15, 0xffeff47d |
| 129 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 1, 21, 0x85845dd1 |
159 |
md5._.round md5._.i, ebx, ecx, edx, eax, 1, 21, 0x85845dd1 |
| 130 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 8, 6, 0x6fa87e4f |
160 |
md5._.round md5._.i, eax, ebx, ecx, edx, 8, 6, 0x6fa87e4f |
| 131 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 15, 10, 0xfe2ce6e0 |
161 |
md5._.round md5._.i, edx, eax, ebx, ecx, 15, 10, 0xfe2ce6e0 |
| 132 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 6, 15, 0xa3014314 |
162 |
md5._.round md5._.i, ecx, edx, eax, ebx, 6, 15, 0xa3014314 |
| 133 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 13, 21, 0x4e0811a1 |
163 |
md5._.round md5._.i, ebx, ecx, edx, eax, 13, 21, 0x4e0811a1 |
| 134 |
crash.md5.round crash.md5.i, eax, ebx, ecx, edx, 4, 6, 0xf7537e82 |
164 |
md5._.round md5._.i, eax, ebx, ecx, edx, 4, 6, 0xf7537e82 |
| Line 135... |
Line 165... |
| 135 |
crash.md5.round crash.md5.i, edx, eax, ebx, ecx, 11, 10, 0xbd3af235 |
165 |
md5._.round md5._.i, edx, eax, ebx, ecx, 11, 10, 0xbd3af235 |
| 136 |
crash.md5.round crash.md5.i, ecx, edx, eax, ebx, 2, 15, 0x2ad7d2bb |
166 |
md5._.round md5._.i, ecx, edx, eax, ebx, 2, 15, 0x2ad7d2bb |
| 137 |
crash.md5.round crash.md5.i, ebx, ecx, edx, eax, 9, 21, 0xeb86d391 |
167 |
md5._.round md5._.i, ebx, ecx, edx, eax, 9, 21, 0xeb86d391 |
| 138 |
|
168 |
|
| 139 |
mov edi, [_md5] |
169 |
mov edi, [_hash] |
| 140 |
add [edi + 0x0], eax |
- |
|
| Line 141... |
Line 170... |
| 141 |
add [edi + 0x4], ebx |
170 |
add [edi + 0x0], eax |
| 142 |
add [edi + 0x8], ecx |
171 |
add [edi + 0x4], ebx |
| Line -... |
Line 172... |
| - |
|
172 |
add [edi + 0x8], ecx |
| - |
|
173 |
add [edi + 0xc], edx |
| - |
|
174 |
|
| - |
|
175 |
ret |
| - |
|
176 |
endp |
| - |
|
177 |
|
| - |
|
178 |
|
| - |
|
179 |
proc md5.update _ctx, _msg, _size |
| - |
|
180 |
mov ebx, [_ctx] |
| - |
|
181 |
mov ecx, [_size] |
| - |
|
182 |
add [ebx + ctx_md5.msglen_0], ecx |
| - |
|
183 |
adc [ebx + ctx_md5.msglen_1], 0 |
| - |
|
184 |
|
| - |
|
185 |
.next_block: |
| - |
|
186 |
mov ebx, [_ctx] |
| - |
|
187 |
mov esi, [_msg] |
| - |
|
188 |
mov eax, [ebx + ctx_md5.index] |
| - |
|
189 |
and eax, MD5_BLOCK_SIZE-1 |
| - |
|
190 |
jnz .copy_to_buf |
| - |
|
191 |
test esi, MD5_ALIGN_MASK |
| - |
|
192 |
jnz .copy_to_buf |
| - |
|
193 |
.no_copy: |
| - |
|
194 |
; data is aligned, hash it in place without copying |
| - |
|
195 |
mov ebx, [_ctx] |
| - |
|
196 |
cmp [_size], MD5_BLOCK_SIZE |
| - |
|
197 |
jb .copy_quit |
| - |
|
198 |
lea eax, [ebx + ctx_md5.hash] |
| - |
|
199 |
stdcall md5._.block, eax |
| - |
|
200 |
sub [_size], MD5_BLOCK_SIZE |
| - |
|
201 |
add esi, MD5_BLOCK_SIZE |
| - |
|
202 |
jmp .no_copy |
| - |
|
203 |
|
| - |
|
204 |
.copy_to_buf: |
| - |
|
205 |
lea edi, [ebx + ctx_md5.block] |
| - |
|
206 |
add edi, eax |
| - |
|
207 |
mov ecx, MD5_BLOCK_SIZE |
| - |
|
208 |
sub ecx, eax |
| - |
|
209 |
cmp [_size], ecx |
| - |
|
210 |
jb .copy_quit |
| - |
|
211 |
sub [_size], ecx |
| - |
|
212 |
add [_msg], ecx |
| - |
|
213 |
add [ebx + ctx_md5.index], ecx |
| - |
|
214 |
rep movsb |
| - |
|
215 |
lea eax, [ebx + ctx_md5.hash] |
| - |
|
216 |
lea esi, [ebx + ctx_md5.block] |
| - |
|
217 |
stdcall md5._.block, eax |
| - |
|
218 |
jmp .next_block |
| - |
|
219 |
|
| - |
|
220 |
.copy_quit: |
| - |
|
221 |
mov ebx, [_ctx] |
| - |
|
222 |
lea edi, [ebx + ctx_md5.block] |
| - |
|
223 |
mov eax, [ebx + ctx_md5.index] |
| - |
|
224 |
and eax, MD5_BLOCK_SIZE-1 |
| - |
|
225 |
add edi, eax |
| - |
|
226 |
mov ecx, [_size] |
| - |
|
227 |
add [ebx + ctx_md5.index], ecx |
| - |
|
228 |
rep movsb |
| - |
|
229 |
.quit: |
| - |
|
230 |
|
| - |
|
231 |
ret |
| - |
|
232 |
endp |
| - |
|
233 |
|
| - |
|
234 |
|
| - |
|
235 |
proc md5.final _ctx |
| - |
|
236 |
mov ebx, [_ctx] |
| - |
|
237 |
lea edi, [ebx + ctx_md5.block] |
| - |
|
238 |
mov ecx, [ebx + ctx_md5.msglen_0] |
| - |
|
239 |
and ecx, MD5_BLOCK_SIZE-1 |
| - |
|
240 |
add edi, ecx |
| - |
|
241 |
mov byte[edi], 0x80 |
| - |
|
242 |
inc edi |
| - |
|
243 |
neg ecx |
| - |
|
244 |
add ecx, MD5_BLOCK_SIZE |
| - |
|
245 |
cmp ecx, 8 |
| - |
|
246 |
ja .last |
| - |
|
247 |
|
| - |
|
248 |
dec ecx |
| - |
|
249 |
xor eax, eax |
| - |
|
250 |
rep stosb |
| - |
|
251 |
lea esi, [ebx + ctx_md5.block] |
| - |
|
252 |
lea eax, [ebx + ctx_md5.hash] |
| - |
|
253 |
stdcall md5._.block, eax |
| - |
|
254 |
mov ebx, [_ctx] |
| - |
|
255 |
lea edi, [ebx + ctx_md5.block] |
| - |
|
256 |
mov ecx, MD5_BLOCK_SIZE+1 |
| - |
|
257 |
.last: |
| - |
|
258 |
dec ecx |
| - |
|
259 |
sub ecx, 8 |
| - |
|
260 |
xor eax, eax |
| - |
|
261 |
rep stosb |
| - |
|
262 |
mov eax, [ebx + ctx_md5.msglen_0] |
| - |
|
263 |
mov edx, [ebx + ctx_md5.msglen_1] |
| - |
|
264 |
shld edx, eax, 3 |
| - |
|
265 |
shl eax, 3 |
| - |
|
266 |
mov dword[edi], eax |
| - |
|
267 |
mov dword[edi+4], edx |
| - |
|
268 |
lea esi, [ebx + ctx_md5.block] |
| - |
|
269 |
lea eax, [ebx + ctx_md5.hash] |
| - |
|
270 |
stdcall md5._.block, eax |
| - |
|
271 |
|
| - |
|
272 |
ret |
| - |
|
273 |
endp |