Mercurial > pmdwin

annotate lfg.c @ 6:da588a3fb3cc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make pmdwin a dynamically linked executable.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Mon, 08 Sep 2014 17:15:41 +0200
parents c55ea9478c80
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 /*! \file
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 * This code implements the MD5 message-digest algorithm.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 * The algorithm is due to Ron Rivest. This code was
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 * written by Colin Plumb in 1993, no copyright is claimed.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 * This code is in the public domain; do with it what you wish.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 *
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7 * Equivalent code is available from RSA Data Security, Inc.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 * This code has been tested against that, and is equivalent,
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9 * except that you don't need to include two pages of legalese
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 * with every copy.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11 *
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
12 * To compute the message digest of a chunk of bytes, declare an
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 * MD5Context structure, pass it to MD5Init, call MD5Update as
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14 * needed on buffers full of bytes, and then call MD5Final, which
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15 * will fill a supplied 16-byte array with the digest.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
16 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
17 #include <stdint.h>
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
18 #include <string.h>
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
19
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
20 typedef struct {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
21 uint32_t buf[4];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
22 uint32_t bytes[2];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23 uint32_t in[16];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
24 } MD5_CTX;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 #define ROTATE(a,n) ({ register unsigned int ret; \
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26 __asm__ volatile("roll %%cl,%0" \
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27 : "=r"(ret) \
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 : "c"(n), "0"((unsigned int)(a)) \
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
29 : "cc"); ret; })
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
31 /*!
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
32 * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 * initialization constants.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
35 void
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 MD5Init(MD5_CTX *ctx) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37 ctx->buf[0] = 0x67452301;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38 ctx->buf[1] = 0xefcdab89;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 ctx->buf[2] = 0x98badcfe;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
40 ctx->buf[3] = 0x10325476;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
42 ctx->bytes[0] = 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
43 ctx->bytes[1] = 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 /*@{*/
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47 /*! The four core functions - F1 is optimized somewhat */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
49 /* #define F1(x, y, z) (x & y | ~x & z) */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50 #define F1(x, y, z) (z ^ (x & (y ^ z)))
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
51 #define F2(x, y, z) F1(z, x, y)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
52 #define F3(x, y, z) (x ^ y ^ z)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
53 #define F4(x, y, z) (y ^ (x | ~z))
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54 /*@}*/
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
55
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
56 /*! This is the central step in the MD5 algorithm. */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57 #define MD5STEP(f,w,x,y,z,in,s) \
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
58 (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
59
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
60 /*!
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
61 * The core of the MD5 algorithm, this alters an existing MD5 hash to
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
62 * reflect the addition of 16 longwords of new data. MD5Update blocks
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
63 * the data and converts bytes into longwords for this routine.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
64 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
65 static void
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
66 transform(uint32_t buf[4], uint32_t const in[16]) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
67 register uint32_t a, b, c, d;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
68
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
69 a = buf[0];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
70 b = buf[1];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
71 c = buf[2];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
72 d = buf[3];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
73
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
75 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
80 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
81 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
82 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
83 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
84 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
85 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
86 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
87 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
88 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
89 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
90
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
91 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
92 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
93 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
94 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
95 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
96 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
97 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
98 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
99 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
100 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
101 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
102 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
103 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
104 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
105 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
106 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
107
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
108 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
109 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
110 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
111 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
112 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
113 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
114 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
115 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
116 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
117 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
118 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
119 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
120 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
121 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
122 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
123 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
124
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
125 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
126 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
127 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
128 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
129 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
130 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
131 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
132 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
133 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
134 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
135 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
136 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
137 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
138 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
139 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
140 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
141
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
142 buf[0] += a;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
143 buf[1] += b;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
144 buf[2] += c;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
145 buf[3] += d;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
146 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
147
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
148 /*!
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
149 * Update context to reflect the concatenation of another buffer full
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
150 * of bytes.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
151 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
152 void
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
153 MD5Update(MD5_CTX *ctx, const unsigned char *buf, unsigned int len) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
154 uint32_t t;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
155
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
156 /* Update byte count */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
157
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
158 t = ctx->bytes[0];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
159 if ((ctx->bytes[0] = t + len) < t)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
160 ctx->bytes[1]++; /* Carry from low to high */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
161
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
162 t = 64 - (t & 0x3f); /* Space available in ctx->in (at least 1) */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
163 if (t > len) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
164 memcpy((unsigned char *)ctx->in + 64 - t, buf, len);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
165 return;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
166 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
167 /* First chunk is an odd size */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
168 memcpy((unsigned char *)ctx->in + 64 - t, buf, t);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
169 transform(ctx->buf, ctx->in);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
170 buf += t;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
171 len -= t;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
172
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
173 /* Process data in 64-byte chunks */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
174 while (len >= 64) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
175 memcpy(ctx->in, buf, 64);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
176 transform(ctx->buf, ctx->in);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
177 buf += 64;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
178 len -= 64;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
179 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
180
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
181 /* Handle any remaining bytes of data. */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
182 memcpy(ctx->in, buf, len);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
183 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
184
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
185 static inline void small_memset(void *addr, int c, size_t size) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
186 __asm__ volatile("xor %%al, %%al \t\n"
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
187 "rep; stosb \t\n"
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
188 :"+D"(addr) :"c"(size) :"%al");
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
189 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
190
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
191 /*!
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
192 * Final wrapup - pad to 64-byte boundary with the bit pattern
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
193 * 1 0* (64-bit count of bits processed, MSB-first)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
194 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
195 void
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
196 MD5Final(MD5_CTX *ctx, unsigned char *digest) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
197 int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
198 unsigned char *p = (unsigned char *)ctx->in + count;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
199
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
200 /* Set the first char of padding to 0x80. There is always room. */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
201 *p++ = 0x80;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
202
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
203 /* Bytes of padding needed to make 56 bytes (-8..55) */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
204 count = 56 - 1 - count;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
205
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
206 if (count < 0) { /* Padding forces an extra block */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
207 small_memset(p, 0, count + 8);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
208 transform(ctx->buf, ctx->in);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
209 p = (unsigned char *)ctx->in;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
210 count = 56;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
211 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
212 small_memset(p, 0, count);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
213
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
214 /* Append length in bits and transform */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
215 ctx->in[14] = ctx->bytes[0] << 3;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
216 ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
217 transform(ctx->buf, ctx->in);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
218 memcpy(digest, ctx->buf, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
219 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
220
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
221 typedef struct {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
222 unsigned int state[64];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
223 unsigned int index;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
224 } AVLFG;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
225 static AVLFG c;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
226
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
227 void lfg_srand(unsigned int seed){
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
228 uint32_t i, tmp[4]={0};
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
229 MD5_CTX ctx;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
230
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
231 for(i=0; i<64; i+=4){
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
232 tmp[0]=seed; tmp[3]=i;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
233 MD5Init(&ctx);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
234 MD5Update(&ctx, (uint8_t*)tmp, 16);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
235 MD5Final(&ctx, (uint8_t*)tmp);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
236 c.state[i ]= tmp[0];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
237 c.state[i+1]= tmp[1];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
238 c.state[i+2]= tmp[2];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
239 c.state[i+3]= tmp[3];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
240 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
241 c.index=0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
242 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
243
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
244 /**
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
245 * Get the next random unsigned 32-bit number using an ALFG.
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
246 */
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
247 unsigned int lfg_rand(void){
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
248 c.state[c.index & 63] = c.state[(c.index-24) & 63] + c.state[(c.index-55) & 63];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
249 return c.state[c.index++ & 63];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
250 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
251
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
252 #ifdef TEST
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
253 #include <stdio.h>
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
254 void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
255 {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
256 MD5_CTX ctx;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
257
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
258 MD5Init(&ctx);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
259 MD5Update(&ctx, src, len);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
260 MD5Final(&ctx, dst);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
261 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
262
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
263 static void print_md5(uint8_t *md5)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
264 {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
265 int i;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
266 for (i = 0; i < 16; i++)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
267 printf("%02x", md5[i]);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
268 printf("\n");
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
269 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
270
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
271 int main(void){
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
272 uint8_t md5val[16];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
273 int i;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
274 uint8_t in[1000];
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
275
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
276 for (i = 0; i < 1000; i++)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
277 in[i] = i * i;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
278 av_md5_sum(md5val, in, 1000); print_md5(md5val);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
279 av_md5_sum(md5val, in, 63); print_md5(md5val);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
280 av_md5_sum(md5val, in, 64); print_md5(md5val);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
281 av_md5_sum(md5val, in, 65); print_md5(md5val);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
282 for (i = 0; i < 1000; i++)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
283 in[i] = i % 127;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
284 av_md5_sum(md5val, in, 999); print_md5(md5val);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
285
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
286 return 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
287 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
288 #endif
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
289