mirror of
https://github.com/yuzu-emu/mbedtls.git
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121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
/**
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* \file md2.h
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*/
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#ifndef XYSSL_MD2_H
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#define XYSSL_MD2_H
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/**
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* \brief MD2 context structure
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*/
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typedef struct
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{
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unsigned char cksum[16]; /*!< checksum of the data block */
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unsigned char state[48]; /*!< intermediate digest state */
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unsigned char buffer[16]; /*!< data block being processed */
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unsigned char ipad[64]; /*!< HMAC: inner padding */
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unsigned char opad[64]; /*!< HMAC: outer padding */
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int left; /*!< amount of data in buffer */
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}
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md2_context;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief MD2 context setup
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*
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* \param ctx context to be initialized
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*/
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void md2_starts( md2_context *ctx );
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/**
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* \brief MD2 process buffer
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*
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* \param ctx MD2 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void md2_update( md2_context *ctx, unsigned char *input, int ilen );
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/**
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* \brief MD2 final digest
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*
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* \param ctx MD2 context
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* \param output MD2 checksum result
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*/
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void md2_finish( md2_context *ctx, unsigned char output[16] );
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/**
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* \brief Output = MD2( input buffer )
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output MD2 checksum result
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*/
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void md2( unsigned char *input, int ilen, unsigned char output[16] );
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/**
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* \brief Output = MD2( file contents )
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*
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* \param path input file name
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* \param output MD2 checksum result
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*
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* \return 0 if successful, 1 if fopen failed,
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* or 2 if fread failed
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*/
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int md2_file( char *path, unsigned char output[16] );
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/**
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* \brief MD2 HMAC context setup
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*
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* \param ctx HMAC context to be initialized
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* \param key HMAC secret key
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* \param keylen length of the HMAC key
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*/
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void md2_hmac_starts( md2_context *ctx, unsigned char *key, int keylen );
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/**
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* \brief MD2 HMAC process buffer
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*
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* \param ctx HMAC context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void md2_hmac_update( md2_context *ctx, unsigned char *input, int ilen );
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/**
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* \brief MD2 HMAC final digest
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*
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* \param ctx HMAC context
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* \param output MD2 HMAC checksum result
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*/
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void md2_hmac_finish( md2_context *ctx, unsigned char output[16] );
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/**
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* \brief Output = HMAC-MD2( hmac key, input buffer )
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*
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* \param key HMAC secret key
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* \param keylen length of the HMAC key
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output HMAC-MD2 result
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*/
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void md2_hmac( unsigned char *key, int keylen,
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unsigned char *input, int ilen,
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unsigned char output[16] );
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int md2_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* md2.h */
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