From 21be41a167d96c49859e6ef19d9c3163037b0309 Mon Sep 17 00:00:00 2001 From: asterix Date: Tue, 30 Jan 2007 17:31:44 +0000 Subject: [PATCH] Add function prototypes. git-svn-id: https://src.develer.com/svnoss/bertos/trunk@743 38d2e660-2303-0410-9eaa-f027e97ec537 --- algos/md2.c | 47 ++++++++++++++++++++++++++++++++++++++++++++--- algos/md2.h | 14 ++++++++++++++ 2 files changed, 58 insertions(+), 3 deletions(-) diff --git a/algos/md2.c b/algos/md2.c index 2179bb6c..176efe69 100755 --- a/algos/md2.c +++ b/algos/md2.c @@ -13,21 +13,62 @@ /*#* *#* $Log$ + *#* Revision 1.2 2007/01/30 17:31:44 asterix + *#* Add function prototypes. + *#* *#* Revision 1.1 2007/01/30 15:53:26 batt *#* Add first md2 skel. *#* *#*/ +/* + * Array of 256 byte pemutation contructed from digits of pi. + */ +static uint8_t md2_perm[256] = { + 41, 46, 67, 201, 162, 216, 124, 1, 61, 54, 84, 161, 236, 240, 6, + 19, 98, 167, 5, 243, 192, 199, 115, 140, 152, 147, 43, 217, 188, + 76, 130, 202, 30, 155, 87, 60, 253, 212, 224, 22, 103, 66, 111, 24, + 138, 23, 229, 18, 190, 78, 196, 214, 218, 158, 222, 73, 160, 251, + 245, 142, 187, 47, 238, 122, 169, 104, 121, 145, 21, 178, 7, 63, + 148, 194, 16, 137, 11, 34, 95, 33, 128, 127, 93, 154, 90, 144, 50, + 39, 53, 62, 204, 231, 191, 247, 151, 3, 255, 25, 48, 179, 72, 165, + 181, 209, 215, 94, 146, 42, 172, 86, 170, 198, 79, 184, 56, 210, + 150, 164, 125, 182, 118, 252, 107, 226, 156, 116, 4, 241, 69, 157, + 112, 89, 100, 113, 135, 32, 134, 91, 207, 101, 230, 45, 168, 2, 27, + 96, 37, 173, 174, 176, 185, 246, 28, 70, 97, 105, 52, 64, 126, 15, + 85, 71, 163, 35, 221, 81, 175, 58, 195, 92, 249, 206, 186, 197, + 234, 38, 44, 83, 13, 110, 133, 40, 132, 9, 211, 223, 205, 244, 65, + 129, 77, 82, 106, 220, 55, 200, 108, 193, 171, 250, 36, 225, 123, + 8, 12, 189, 177, 74, 120, 136, 149, 139, 227, 99, 232, 109, 233, + 203, 213, 254, 59, 0, 29, 57, 242, 239, 183, 14, 102, 88, 208, 228, + 166, 119, 114, 248, 235, 117, 75, 10, 49, 68, 80, 180, 143, 237, + 31, 26, 219, 153, 141, 51, 159, 17, 131, 20 +}; + +static void md2_pad(void *block) +{ + +} -void md2_init() +static void md2_compute(void *state, void *checksum, void *block) { + } -void md2_update() +void md2_init(Md2Context *context) { + context->counter=0; + memset(context->state, 0, sizeof(context->state)); + memset(context->checksum, 0, sizeof(context->checksum)); + } -void md2_end() +void md2_update(Md2Context *context, void *block_in, size_t block_len) { + } +void md2_end(Md2Context *context, void *msg_digest) +{ + +} diff --git a/algos/md2.h b/algos/md2.h index f47ca788..1aa17c21 100755 --- a/algos/md2.h +++ b/algos/md2.h @@ -7,12 +7,23 @@ * * \brief MD2 Message-Digest algorithm. * + * The algorithm takes as input a message of arbitrary length and produces + * as output a 128-bit message digest of the input. + * It is conjectured that it is computationally infeasible to produce + * two messages having the same message digest, or to produce any + * message having a given prespecified target message digest. + * + * + * * \version $Id$ * \author Daniele Basile */ /*#* *#* $Log$ + *#* Revision 1.2 2007/01/30 17:31:44 asterix + *#* Add function prototypes. + *#* *#* Revision 1.1 2007/01/30 15:53:26 batt *#* Add first md2 skel. *#* @@ -35,5 +46,8 @@ typedef struct Md2Context size_t counter; ///< Counter of remaining bytes. } Md2Context; +void md2_init(Md2Context *context); +void md2_update(Md2Context *context, void *block_in, size_t block_len); +void md2_end(Md2Context *context, void *msg_digest); #endif /* ALGOS_MD2_H */ -- 2.25.1