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#include "global.h" 2 h) L3 h3 t: H
#include "md5.h" ! d' s6 Z5 K; ~' z
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/* Constants for MD5Transform routine. */
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2 n+ E* } o+ r4 C2 i2 l1 ~+ h#define S11 7
9 x' Z% P1 W9 D4 i# d#define S12 12 ! w: e6 i0 F0 R. N
#define S13 17 ! l0 S$ V" A7 ~7 H" f5 `$ @
#define S14 22
2 ]. }5 T" ]% R2 b* k9 V9 i. l#define S21 5 , K# r+ s+ l# y
#define S22 9
4 M% P9 u$ ~, @/ N0 Z* `#define S23 14 , J% k; s/ k* a ^
#define S24 20 - B/ R9 K/ C- E; {! J8 ~/ d
#define S31 4 8 ~) q2 h; N6 a. ~2 g' a# P
#define S32 11
+ J9 ?6 Y4 Z, {* n#define S33 16 4 i, f7 z/ B/ J% r3 `
#define S34 23
+ u4 }& @6 O) p2 r6 W3 I#define S41 6 - q) Q# q* F0 j( N( g, y
#define S42 10
, h* \( D) c* @0 P% L1 u#define S43 15
|/ s3 m" v. x: |# I4 A' y#define S44 21
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6 h% `( k/ X, K6 estatic void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64])); 5 l7 B2 C2 M' H0 S" x
static void Encode PROTO_LIST ((unsigned char *, UINT4 *, unsigned int));
5 R# \6 r3 P! Y6 [static void Decode PROTO_LIST ((UINT4 *, unsigned char *, unsigned int));
* \) {7 \& w4 ?1 E3 A% gstatic void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
' c/ @5 ~0 y) e+ `static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
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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
4 F1 |7 J$ {, ^9 i};
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/* F, G, H and I are basic MD5 functions. */
% @ h8 S7 o6 u#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
/ V& M! ]( `! U& Q. z8 L/ A5 T, R#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+ k h, n7 o) _1 ~: L2 u1 V#define H(x, y, z) ((x) ^ (y) ^ (z)) 1 K) u' H( t7 m; F3 [
#define I(x, y, z) ((y) ^ ((x) | (~z)))
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( z( n* [- ^5 H% \5 d/* ROTATE_LEFT rotates x left n bits. */
4 W- A! {& n4 ~1 c#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) 3 P7 c1 h; G2 Y: D8 T, @7 O
, ]/ U/ Z$ P' T4 o/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
* j& c; K1 b# x# S2 M }Rotation is separate from addition to prevent recomputation. */
$ `9 i/ X6 r: I% Z#define FF(a, b, c, d, x, s, ac) { \ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
! x8 B `8 }) i! ~: n) e1 r#define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
& D( O; u+ D$ a& W* m/ u5 R#define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
/ N( S. r! |; z: g#define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
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/* MD5 initialization. Begins an MD5 operation, writing a new context. */
" v J9 g: l9 M/ T# `+ z4 D3 i+ Avoid MD5Init (context)
' f7 O P- M; _; J0 t4 e; `: U0 jMD5_CTX *context; /* context */ 3 n0 {' h9 F3 Y3 m
{ context->count[0] = context->count[1] = 0; /* Load magic initialization constants.
5 R+ J2 J7 W2 J9 K) }7 j*/ context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; 4 D0 v6 _: n8 M
} 8 \' s7 C, q, n' E2 t( [* |# [
6 L# C! _6 }$ u8 K1 f* ?/* MD5 block update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */ ' C" F% ]$ S i$ R9 X6 l
void MD5Update (context, input, inputLen)
' `, Y5 d/ e: E+ \8 q' bMD5_CTX *context; /* context */
* j0 s( L, `1 z4 z! A7 }unsigned char *input; /* input block */ 0 T5 }4 |, D, J
unsigned int inputLen; /* length of input block */ T/ B# T1 [( U9 B3 G& I
{ unsigned int i, index, partLen;
* H% I$ T6 }1 v& f% [7 r /* Compute number of bytes mod 64 */ index = (unsigned int)((context->count[0] >> 3) & 0x3F); \/ D2 i4 A$ E% S' z" k- _- b3 s$ q; g
/* Update number of bits */ if ((context->count[0] += ((UINT4)inputLen << 3)) & |
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