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#include "global.h" $ k& r/ d& \3 H& @; E: ]
#include "md5.h"
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1 V" h: ^( e8 n/ _$ Y/* Constants for MD5Transform routine. */ ^, {6 s7 e% V/ d- Y5 n, d" K5 _
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#define S11 7 2 }* F, n2 p6 }4 U# n, ^' O
#define S12 12 * ^* _6 r1 D0 h: z7 a( F, ~0 x
#define S13 17 ( P6 d$ [, E' @( i( w
#define S14 22
% e1 q5 }5 \/ [+ M# |#define S21 5
- x& p1 o& }( K#define S22 9
! R; @$ b, F7 O#define S23 14
" q8 _( x$ j( G# Q1 \1 a#define S24 20 ! t; W% C) q1 G% j. e- {
#define S31 4
: J! e8 e2 C* P1 L- o+ a- {#define S32 11
7 X& k- X( I+ j$ Y: T) x#define S33 16
. i) a! T3 x6 A& |8 ?9 k. d#define S34 23 3 s" ~4 Y. i0 C7 K. m- X# @4 ^
#define S41 6 . { Y" j O a0 t7 Y8 f3 s n
#define S42 10 " d4 N( ?3 u- N& P; y& v
#define S43 15
7 \+ o# X$ C3 l/ L4 R' s% j#define S44 21 9 l& l! x9 G; T% G# L* H( p* b
* H+ w( o9 A7 ~static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64])); ! M- j1 Q# V& O5 g4 M7 q
static void Encode PROTO_LIST ((unsigned char *, UINT4 *, unsigned int));
; s- q' w& p) N0 b9 fstatic void Decode PROTO_LIST ((UINT4 *, unsigned char *, unsigned int));
' i' t5 ^$ W/ I% \static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int)); ! q6 E' |- L/ g
static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int)); : }' W( y t- x
4 a* r* S% D# O0 s/ [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
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/* F, G, H and I are basic MD5 functions. */ 0 {' f# H) V- L, ]
#define F(x, y, z) (((x) & (y)) | ((~x) & (z))) + I6 n7 r6 g9 n7 q& K
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
8 A4 N/ N8 r: E: D" v4 N- Z& g3 e/ G#define H(x, y, z) ((x) ^ (y) ^ (z))
9 C' G, g! v% a( c* ^#define I(x, y, z) ((y) ^ ((x) | (~z))) 9 Q8 E& ?* g9 T f8 B- s
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/* ROTATE_LEFT rotates x left n bits. */
" d8 L Q& h0 K0 Y. m, v#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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0 e$ Q, m2 ^/ ?: Q5 n8 u, ?/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
" _2 g* @ {! D4 r& uRotation is separate from addition to prevent recomputation. */
; I9 ?( M8 O6 _) [- p$ ~#define FF(a, b, c, d, x, s, ac) { \ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
( s2 d6 |8 y8 A [" i#define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } 3 E; r! J7 S2 [7 a0 o3 y5 e
#define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } ( _8 I8 t8 J' f' ]
#define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } ' g3 v5 j u! t/ p" a! _& h
) E+ u, G E5 X2 c! r; w, e/* MD5 initialization. Begins an MD5 operation, writing a new context. */
) s2 T) \/ [# d) w3 s/ Gvoid MD5Init (context) 4 f$ P! r5 I$ F: c4 D
MD5_CTX *context; /* context */
+ F" I3 Y6 e4 j5 u7 d{ context->count[0] = context->count[1] = 0; /* Load magic initialization constants. " W: \8 }- o' h; \
*/ context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; + h$ Q2 M( K2 k+ f$ B. C. y1 ~* f
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/* MD5 block update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */ 8 h" t& G2 k) y; F( I
void MD5Update (context, input, inputLen)
/ |8 ~+ j3 B2 b" Y6 c0 XMD5_CTX *context; /* context */ + T; @7 N& Y- S( {& K
unsigned char *input; /* input block */
' N2 P: d! v7 M \3 |unsigned int inputLen; /* length of input block */ ) X+ K* ^; G" T
{ unsigned int i, index, partLen; . m3 {8 y8 c& V. v K( z) {
/* Compute number of bytes mod 64 */ index = (unsigned int)((context->count[0] >> 3) & 0x3F); * ?$ {9 q0 a& G$ H
/* Update number of bits */ if ((context->count[0] += ((UINT4)inputLen << 3)) & |
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