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#include "global.h" , B+ r) q0 e9 f. m
#include "md5.h" - K' f' R* G+ K/ h/ M6 L9 M# Z
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/* Constants for MD5Transform routine. */ ; z- E( X5 s: n+ f; M
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# C6 r3 z( S2 B8 n* e#define S11 7
- w; n h, o% N0 G9 N6 z. R#define S12 12 ' N) A! @% l3 B) {
#define S13 17
! e( u" ]$ k" g7 y#define S14 22 $ x+ _# Q G: Y1 S
#define S21 5 + W8 ^' c8 l @0 \
#define S22 9 ; O& @ M* E$ i; q5 N$ S! |
#define S23 14
% x K! t5 T& `2 Y#define S24 20
# l3 L, e8 ?3 X# r) K#define S31 4
s, o+ q2 n: R6 B& c; T; G#define S32 11 3 q# }- y n9 b5 c$ b
#define S33 16 $ ^+ ~& f& ?5 ]9 _! ~2 S& v
#define S34 23
( l- Z9 V# P. \: a% b; L#define S41 6
3 r& P3 U) z* j2 I% x#define S42 10
3 o% j3 ]* P" p+ l. ?#define S43 15 ! O) ^% K! ]- n# ?" H9 i! r
#define S44 21
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static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64])); ; e" w; _' A; F
static void Encode PROTO_LIST ((unsigned char *, UINT4 *, unsigned int));
+ j0 m1 d0 ], V7 ^static void Decode PROTO_LIST ((UINT4 *, unsigned char *, unsigned int));
& f0 F# k9 \+ w6 Q ?static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
* G/ B, ^- H- t4 \9 r+ zstatic void MD5_memset PROTO_LIST ((POINTER, int, unsigned int)); 0 _. N3 I! }! p& |- g& ~, l8 m
, l, o& U4 l8 y9 L/ lstatic 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 ' Y1 D* t, n2 W0 i; r
};
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( A$ @/ d) z" \0 U, z, j6 z/* F, G, H and I are basic MD5 functions. */
' m; S1 y* o% I3 N1 Y#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
; v* n) H2 D( `# r8 r; S#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
7 Z5 w( h3 u, |: i#define H(x, y, z) ((x) ^ (y) ^ (z))
# |% E1 ^, ?! c( P" {& J7 V. s2 F! O#define I(x, y, z) ((y) ^ ((x) | (~z)))
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7 p3 I/ ?% r8 n5 X* l, G/* ROTATE_LEFT rotates x left n bits. */
* T; _" O' p- o5 E#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/ c6 C* a N d8 Z! L+ C8 }# M/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. : }: ~' b0 F& y* `
Rotation is separate from addition to prevent recomputation. */
% f7 h% p2 _7 W R3 V2 P: b3 J#define FF(a, b, c, d, x, s, ac) { \ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } & n, E8 C! e2 g7 U7 q
#define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
. f% {( w5 h2 ]$ u#define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ }
# |1 B' a- U! B0 p#define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } / Q, R3 z* ], d7 z7 J, B( l
u" n) h+ Y$ x7 D/* MD5 initialization. Begins an MD5 operation, writing a new context. */
% r, k: i0 D2 _void MD5Init (context) m q( v1 d4 B
MD5_CTX *context; /* context */
4 ^& x6 G* j4 I{ context->count[0] = context->count[1] = 0; /* Load magic initialization constants. 2 n, t Q9 K' C
*/ context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; ! T: i$ v# t, a" J) L
}
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/* MD5 block update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */
, Y) o6 z. j$ S* a5 Mvoid MD5Update (context, input, inputLen)
1 L/ e- d# F* {* VMD5_CTX *context; /* context */ 7 W# N# i) i/ `5 h' J0 K9 t
unsigned char *input; /* input block */ $ [# \' B; Q- ?6 G
unsigned int inputLen; /* length of input block */
) N2 B: k; u. i) f2 N{ unsigned int i, index, partLen;
# \3 ^# o& O& Z# [. K" t /* Compute number of bytes mod 64 */ index = (unsigned int)((context->count[0] >> 3) & 0x3F); & r0 K5 e; K( h
/* Update number of bits */ if ((context->count[0] += ((UINT4)inputLen << 3)) & |
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