4 * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See README.devlib for information.
8 * \brief MD2 Message-Digest algorithm.
11 * \author Daniele Basile <asterix@develer.com>
16 *#* Revision 1.2 2007/01/30 17:31:44 asterix
17 *#* Add function prototypes.
19 *#* Revision 1.1 2007/01/30 15:53:26 batt
20 *#* Add first md2 skel.
25 * Array of 256 byte pemutation contructed from digits of pi.
27 static uint8_t md2_perm[256] = {
28 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6,
29 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188,
30 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24,
31 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251,
32 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63,
33 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50,
34 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165,
35 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210,
36 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157,
37 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27,
38 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15,
39 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197,
40 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65,
41 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123,
42 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233,
43 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228,
44 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237,
45 31, 26, 219, 153, 141, 51, 159, 17, 131, 20
48 static void md2_pad(void *block)
53 static void md2_compute(void *state, void *checksum, void *block)
58 void md2_init(Md2Context *context)
61 memset(context->state, 0, sizeof(context->state));
62 memset(context->checksum, 0, sizeof(context->checksum));
66 void md2_update(Md2Context *context, void *block_in, size_t block_len)
71 void md2_end(Md2Context *context, void *msg_digest)