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Bump copyright.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 08 Mar 2024 15:26:24 +0200
parents 36c50873e02c
children
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1 /*
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2 * MD5 implementation, modified for th-libs from
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3 * Colin Plumb's implementation by Matti 'ccr' Hämäläinen.
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4 *
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5 * This code implements the MD5 message-digest algorithm.
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6 * The algorithm is due to Ron Rivest. This code was
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7 * written by Colin Plumb in 1993, no copyright is claimed.
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8 * This code is in the public domain; do with it what you wish.
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9 */
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10 /// @file
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11 /// @brief Cryptography and hash related functions
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12 #ifndef TH_CRYPTO_H
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13 #define TH_CRYPTO_H 1
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14
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15 #ifdef HAVE_CONFIG_H
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16 #include "config.h"
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17 #endif
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18
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19 #include "th_endian.h"
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20 #include <stdio.h>
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21
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22 #ifdef __cplusplus
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23 extern "C" {
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24 #endif
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25
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26
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27 /** @def MD5 digest related defines
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28 */
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29 #define TH_MD5HASH_LENGTH (16)
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30 #define TH_MD5HASH_LENGTH_CH (TH_MD5HASH_LENGTH * 2)
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33 /** MD5 digest state structure
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34 */
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35 typedef struct
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36 {
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37 uint32_t bits[2]; ///< Message length in bits, lsw first
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38 uint32_t buf[4]; ///< Digest buffer
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39 uint8_t in[64]; ///< Accumulate block
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40 } th_md5state_t;
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41
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42 typedef uint8_t th_md5hash_t[TH_MD5HASH_LENGTH]; ///< A structure containing MD5 digest hash
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44
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45 void th_md5_init(th_md5state_t *ctx);
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46 void th_md5_append(th_md5state_t *ctx, const uint8_t *buf, size_t len);
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47 void th_md5_finish(th_md5state_t *ctx, th_md5hash_t digest);
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48 void th_md5_print(FILE *fp, const th_md5hash_t digest);
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50 void th_md5_append_u8(th_md5state_t *ctx, uint8_t val);
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52 #define TH_DEFINE_HEADER(xname) \
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53 void th_md5_append_ ## xname ## 16 (th_md5state_t *ctx, uint16_t val); \
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54 void th_md5_append_ ## xname ## 32 (th_md5state_t *ctx, uint32_t val); \
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55 void th_md5_append_ ## xname ## 64 (th_md5state_t *ctx, uint64_t val);
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57 TH_DEFINE_HEADER(ne)
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58 TH_DEFINE_HEADER(le)
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59 TH_DEFINE_HEADER(be)
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61 #undef TH_DEFINE_HEADER
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64 #ifdef __cplusplus
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65 }
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66 #endif
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67 #endif /* TH_CRYPTO_H */