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#include "global.h"
& N( j. E2 s+ I7 B/ G' u#include "md5.h"
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0 T# U Y8 {+ a. R% A2 ^- P* D3 z/* Constants for MD5Transform routine. */
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+ C3 t+ S! e+ q#define S11 7 ) i1 o4 b. E7 ~! U
#define S12 12 2 P4 c% A, {& g
#define S13 17
$ P* k! Q& \: N7 G( v- m#define S14 22
! r3 j$ z* q0 s( \) i% }2 j2 l#define S21 5
) ^9 G& P" L; p& Z#define S22 9 Q( D* o3 o: ~1 i. w
#define S23 14
$ i3 ?7 ~$ p9 j#define S24 20 7 U# G& t: p- v1 |1 x2 p
#define S31 4
1 B1 q1 E8 f8 ?+ V- z#define S32 11
. h" Y8 d, T1 [! s; Q* M- o) C z#define S33 16
A, t" g' u' V! [2 G0 Q2 e#define S34 23 9 z2 ^7 h6 K0 v6 E0 o0 l' `
#define S41 6
7 q1 Y a: e% a- o5 k#define S42 10
) s- ~1 q: {* x( _* o0 o6 A#define S43 15 4 f$ E; |' T, h$ V( w% |7 V
#define S44 21
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9 O. z3 m! G/ z. d9 A/ nstatic void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
1 {- v! q1 z8 N! q! bstatic void Encode PROTO_LIST ((unsigned char *, UINT4 *, unsigned int));
2 k! T, T# ^, S- P$ ?. _4 ]9 Wstatic void Decode PROTO_LIST ((UINT4 *, unsigned char *, unsigned int)); : e9 s$ {9 q! d1 u8 ^% r- M# S
static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
1 @) V( j2 g+ C* T. F; Xstatic void MD5_memset PROTO_LIST ((POINTER, int, unsigned int)); % Y& N: o; G% T+ R7 d! P" S- ?# z
! k9 a: d3 |* e- V* ~1 h3 ~static unsigned char PADDING[64] = { 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 " \: ^. |2 h$ f! U! n
};
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, u1 u# y+ g; L0 M/* F, G, H and I are basic MD5 functions. */ |" `" r4 j2 b% ?! n" t0 X
#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) 1 l9 q$ Q* [* Z7 R0 ^8 @( \
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
( r9 ~& p5 O, L& A& n#define H(x, y, z) ((x) ^ (y) ^ (z))
7 F/ g1 ]! O! D) l#define I(x, y, z) ((y) ^ ((x) | (~z)))
# j& C/ I8 O* [. {
' G& X6 G: O: y% \! E( [/* ROTATE_LEFT rotates x left n bits. */ 4 K) t" _5 l6 `7 c4 h8 {3 E ~' ]
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. b5 `7 s& c/ b% ^1 u# c: k8 V. c
Rotation is separate from addition to prevent recomputation. */
8 A% U0 f9 r% n$ ~* b! I' D#define FF(a, b, c, d, x, s, ac) { \ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
3 v1 D$ g/ I6 M, A#define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } 0 d9 Y( {' d- C" p4 K7 {
#define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
4 _5 h' V' g% Y& Y#define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } 2 w: v% T; F; N6 `( |3 N0 G
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/* MD5 initialization. Begins an MD5 operation, writing a new context. */
" T0 y( r; G0 Nvoid MD5Init (context) 4 N8 s- C" a& \1 G/ \" C
MD5_CTX *context; /* context */
8 E( p4 N, O7 d2 I- w{ context->count[0] = context->count[1] = 0; /* Load magic initialization constants.
0 g# j" }7 @; I*/ context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; * K* B* q0 s5 P7 z; J& F
}
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" H( a* T) \- L6 P) Q/* MD5 block update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */ - `+ s2 S" F9 V0 y
void MD5Update (context, input, inputLen) # |5 Q/ D- ^3 ~% z# s5 q5 G
MD5_CTX *context; /* context */
* D- d) s3 ^$ m& Aunsigned char *input; /* input block */ " O0 X8 M/ |. Y6 G
unsigned int inputLen; /* length of input block */
5 F: Q; ]8 D7 u{ unsigned int i, index, partLen;
4 w7 K0 P4 ? _( E3 L; L /* Compute number of bytes mod 64 */ index = (unsigned int)((context->count[0] >> 3) & 0x3F); ) G1 D& D' b; X7 x7 u
/* Update number of bits */ if ((context->count[0] += ((UINT4)inputLen << 3)) & |
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