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- /**
- * \file md5.h
- */
- #ifndef _MD5_H
- #define _MD5_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * \brief MD5 context structure
- */
- typedef struct
- {
- unsigned long total[2]; /*!< number of bytes processed */
- unsigned long state[4]; /*!< intermediate digest state */
- unsigned char buffer[64]; /*!< data block being processed */
- unsigned char ipad[64]; /*!< HMAC: inner padding */
- unsigned char opad[64]; /*!< HMAC: outer padding */
- }
- md5_context;
- /**
- * \brief MD5 context setup
- *
- * \param ctx context to be initialized
- */
- void md5_starts( md5_context *ctx );
- /**
- * \brief MD5 process buffer
- *
- * \param ctx MD5 context
- * \param input buffer holding the data
- * \param ilen length of the input data
- */
- void md5_update( md5_context *ctx, unsigned char *input, int ilen );
- /**
- * \brief MD5 final digest
- *
- * \param ctx MD5 context
- * \param output MD5 checksum result
- */
- void md5_finish( md5_context *ctx, unsigned char *output );
- /**
- * \brief Output = MD5( input buffer )
- *
- * \param input buffer holding the data
- * \param ilen length of the input data
- * \param output MD5 checksum result
- */
- void md5( unsigned char *input, int ilen,
- unsigned char *output );
- /**
- * \brief Output = MD5( file contents )
- *
- * \param path input file name
- * \param output MD5 checksum result
- *
- * \return 0 if successful, 1 if fopen failed,
- * or 2 if fread failed
- */
- int md5_file( char *path, unsigned char *output );
- /**
- * \brief MD5 HMAC context setup
- *
- * \param ctx HMAC context to be initialized
- * \param key HMAC secret key
- * \param keylen length of the HMAC key
- */
- void md5_hmac_starts( md5_context *ctx,
- unsigned char *key, int keylen );
- /**
- * \brief MD5 HMAC process buffer
- *
- * \param ctx HMAC context
- * \param input buffer holding the data
- * \param ilen length of the input data
- */
- void md5_hmac_update( md5_context *ctx,
- unsigned char *input, int ilen );
- /**
- * \brief MD5 HMAC final digest
- *
- * \param ctx HMAC context
- * \param output MD5 HMAC checksum result
- */
- void md5_hmac_finish( md5_context *ctx, unsigned char *output );
- /**
- * \brief Output = HMAC-MD5( hmac key, input buffer )
- *
- * \param key HMAC secret key
- * \param keylen length of the HMAC key
- * \param input buffer holding the data
- * \param ilen length of the input data
- * \param output HMAC-MD5 result
- */
- void md5_hmac( unsigned char *key, int keylen,
- unsigned char *input, int ilen,
- unsigned char *output );
- /**
- * \brief Checkup routine
- *
- * \return 0 if successful, or 1 if the test failed
- */
- int md5_self_test( int verbose );
- #ifdef __cplusplus
- }
- #endif
- #endif /* md5.h */
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