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
| unit md5Hash;
// Optimized version MD5 by Shade & Arigato, 2005.
// repack by Alex_pac 2012
interface
uses Windows, SysUtils;
function md5UTF8 (buf: UTF8String): AnsiString;
function md5 (buf: AnsiString): AnsiString;
implementation
type
tdata = array [0..15] of DWORD;
tcur = array[0..3] of DWord;
var HEX: array[Word] of AnsiString;
function LRot32 (a, b: LongWord): LongWord;
asm
mov ecx, edx
rol eax, cl
end; {func LRot32}
procedure md5calculate(var A, B, C, D: DWord; var data: tdata; var CurrentHash: tcur);
begin
CurrentHash[0] := $67452301;
CurrentHash[1] := $efcdab89;
CurrentHash[2] := $98badcfe;
CurrentHash[3] := $10325476;
A := CurrentHash[0];
B := CurrentHash[1];
C := CurrentHash[2];
D := CurrentHash[3];
A := B + LRot32 (A + (D xor (B and (C xor D))) + data[ 0] + $d76aa478, 7);
D := A + LRot32 (D + (C xor (A and (B xor C))) + data[ 1] + $e8c7b756, 12);
C := D + LRot32 (C + (B xor (D and (A xor B))) + data[ 2] + $242070db, 17);
B := C + LRot32 (B + (A xor (C and (D xor A))) + data[ 3] + $c1bdceee, 22);
A := B + LRot32 (A + (D xor (B and (C xor D))) + data[ 4] + $f57c0faf, 7);
D := A + LRot32 (D + (C xor (A and (B xor C))) + data[ 5] + $4787c62a, 12);
C := D + LRot32 (C + (B xor (D and (A xor B))) + data[ 6] + $a8304613, 17);
B := C + LRot32 (B + (A xor (C and (D xor A))) + data[ 7] + $fd469501, 22);
A := B + LRot32 (A + (D xor (B and (C xor D))) + data[ 8] + $698098d8, 7);
D := A + LRot32 (D + (C xor (A and (B xor C))) + data[ 9] + $8b44f7af, 12);
C := D + LRot32 (C + (B xor (D and (A xor B))) + data[10] + $ffff5bb1, 17);
B := C + LRot32 (B + (A xor (C and (D xor A))) + data[11] + $895cd7be, 22);
A := B + LRot32 (A + (D xor (B and (C xor D))) + data[12] + $6b901122, 7);
D := A + LRot32 (D + (C xor (A and (B xor C))) + data[13] + $fd987193, 12);
C := D + LRot32 (C + (B xor (D and (A xor B))) + data[14] + $a679438e, 17);
B := C + LRot32 (B + (A xor (C and (D xor A))) + data[15] + $49b40821, 22);
A := B + LRot32 (A + (C xor (D and (B xor C))) + data[ 1] + $f61e2562, 5);
D := A + LRot32 (D + (B xor (C and (A xor B))) + data[ 6] + $c040b340, 9);
C := D + LRot32 (C + (A xor (B and (D xor A))) + data[11] + $265e5a51, 14);
B := C + LRot32 (B + (D xor (A and (C xor D))) + data[ 0] + $e9b6c7aa, 20);
A := B + LRot32 (A + (C xor (D and (B xor C))) + data[ 5] + $d62f105d, 5);
D := A + LRot32 (D + (B xor (C and (A xor B))) + data[10] + $02441453, 9);
C := D + LRot32 (C + (A xor (B and (D xor A))) + data[15] + $d8a1e681, 14);
B := C + LRot32 (B + (D xor (A and (C xor D))) + data[ 4] + $e7d3fbc8, 20);
A := B + LRot32 (A + (C xor (D and (B xor C))) + data[ 9] + $21e1cde6, 5);
D := A + LRot32 (D + (B xor (C and (A xor B))) + data[14] + $c33707d6, 9);
C := D + LRot32 (C + (A xor (B and (D xor A))) + data[ 3] + $f4d50d87, 14);
B := C + LRot32 (B + (D xor (A and (C xor D))) + data[ 8] + $455a14ed, 20);
A := B + LRot32 (A + (C xor (D and (B xor C))) + data[13] + $a9e3e905, 5);
D := A + LRot32 (D + (B xor (C and (A xor B))) + data[ 2] + $fcefa3f8, 9);
C := D + LRot32 (C + (A xor (B and (D xor A))) + data[ 7] + $676f02d9, 14);
B := C + LRot32 (B + (D xor (A and (C xor D))) + data[12] + $8d2a4c8a, 20);
A := B + LRot32 (A + (B xor C xor D) + data[ 5] + $fffa3942, 4);
D := A + LRot32 (D + (A xor B xor C) + data[ 8] + $8771f681, 11);
C := D + LRot32 (C + (D xor A xor B) + data[11] + $6d9d6122, 16);
B := C + LRot32 (B + (C xor D xor A) + data[14] + $fde5380c, 23);
A := B + LRot32 (A + (B xor C xor D) + data[ 1] + $a4beea44, 4);
D := A + LRot32 (D + (A xor B xor C) + data[ 4] + $4bdecfa9, 11);
C := D + LRot32 (C + (D xor A xor B) + data[ 7] + $f6bb4b60, 16);
B := C + LRot32 (B + (C xor D xor A) + data[10] + $bebfbc70, 23);
A := B + LRot32 (A + (B xor C xor D) + data[13] + $289b7ec6, 4);
D := A + LRot32 (D + (A xor B xor C) + data[ 0] + $eaa127fa, 11);
C := D + LRot32 (C + (D xor A xor B) + data[ 3] + $d4ef3085, 16);
B := C + LRot32 (B + (C xor D xor A) + data[ 6] + $04881d05, 23);
A := B + LRot32 (A + (B xor C xor D) + data[ 9] + $d9d4d039, 4);
D := A + LRot32 (D + (A xor B xor C) + data[12] + $e6db99e5, 11);
C := D + LRot32 (C + (D xor A xor B) + data[15] + $1fa27cf8, 16);
B := C + LRot32 (B + (C xor D xor A) + data[ 2] + $c4ac5665, 23);
A := B + LRot32 (A + (C xor (B or (not D))) + data[ 0] + $f4292244, 6);
D := A + LRot32 (D + (B xor (A or (not C))) + data[ 7] + $432aff97, 10);
C := D + LRot32 (C + (A xor (D or (not B))) + data[14] + $ab9423a7, 15);
B := C + LRot32 (B + (D xor (C or (not A))) + data[ 5] + $fc93a039, 21);
A := B + LRot32 (A + (C xor (B or (not D))) + data[12] + $655b59c3, 6);
D := A + LRot32 (D + (B xor (A or (not C))) + data[ 3] + $8f0ccc92, 10);
C := D + LRot32 (C + (A xor (D or (not B))) + data[10] + $ffeff47d, 15);
B := C + LRot32 (B + (D xor (C or (not A))) + data[ 1] + $85845dd1, 21);
A := B + LRot32 (A + (C xor (B or (not D))) + data[ 8] + $6fa87e4f, 6);
D := A + LRot32 (D + (B xor (A or (not C))) + data[15] + $fe2ce6e0, 10);
C := D + LRot32 (C + (A xor (D or (not B))) + data[ 6] + $a3014314, 15);
B := C + LRot32 (B + (D xor (C or (not A))) + data[13] + $4e0811a1, 21);
A := B + LRot32 (A + (C xor (B or (not D))) + data[ 4] + $f7537e82, 6);
D := A + LRot32 (D + (B xor (A or (not C))) + data[11] + $bd3af235, 10);
C := D + LRot32 (C + (A xor (D or (not B))) + data[ 2] + $2ad7d2bb, 15);
B := C + LRot32 (B + (D xor (C or (not A))) + data[ 9] + $eb86d391, 21);
Inc (CurrentHash[0], A);
Inc (CurrentHash[1], B);
Inc (CurrentHash[2], C);
Inc (CurrentHash[3], D);
end;
function md5 (buf: AnsiString): AnsiString;
type
pint = ^Integer;
tbyte = array [0..15] of byte;
//tdata = array [0..15] of DWORD;
pdata = ^tdata;
pbyte = ^tbyte;
var
i, Len: Integer;
data: pdata;
CurrentHash: tcur;
P: array[0..7] of Word absolute CurrentHash;
A, B, C, D: DWord;
begin
Len := Length (buf);
SetLength (buf, 64);
buf[Len+1] := #$80;
FillChar (buf[Len+2], 63 - Len, 0);
pint (@buf[57])^ := Len * 8;
data := addr (buf[1]);
md5calculate(a,b,c,d,data^,CurrentHash);
Result := HEX[P[0]];
for i := 1 to 7 do
Result := Concat (Result, HEX[P[i]]);
end; {func md5}
function md5UTF8 (buf: UTF8String): AnsiString;
type
pint = ^Integer;
tbyte = array [0..15] of byte;
//tdata = array [0..15] of DWORD;
pdata = ^tdata;
pbyte = ^tbyte;
var
i, Len: Integer;
data: pdata;
CurrentHash: tcur;
P: array[0..7] of Word absolute CurrentHash;
A, B, C, D: DWord;
begin
{$IFDEF UNICODE}{$ELSE}
buf:= UTF8ToAnsi(buf);
{$EndIf}
Len := Length (buf);
SetLength (buf, 64);
buf[Len+1] := #$80;
FillChar (buf[Len+2], 63 - Len, 0);
pint (@buf[57])^ := Len * 8;
data := addr (buf[1]);
md5calculate(a,b,c,d,data^,CurrentHash);
Result := HEX[P[0]];
for i := 1 to 7 do
Result := Concat (Result, HEX[P[i]]);
end; {func md5}
var DEC, Tmp: Integer;
LH: string;
initialization
for DEC := 0 to $ffff do
begin
Tmp := DEC and $ff;
LH := IntToHex (Tmp, 2);
Tmp := DEC shr 8;
HEX[DEC] := Concat (LH, IntToHex (Tmp, 2));
end; {for}
end. |