8 * \brief SHA-1 context structure
\r
12 unsigned long total[2]; /*!< number of bytes processed */
\r
13 unsigned long state[5]; /*!< intermediate digest state */
\r
14 unsigned char buffer[64]; /*!< data block being processed */
\r
16 unsigned char ipad[64]; /*!< HMAC: inner padding */
\r
17 unsigned char opad[64]; /*!< HMAC: outer padding */
\r
26 * \brief SHA-1 context setup
\r
28 * \param ctx context to be initialized
\r
30 void sha1_starts( sha1_context *ctx );
\r
33 * \brief SHA-1 process buffer
\r
35 * \param ctx SHA-1 context
\r
36 * \param input buffer holding the data
\r
37 * \param ilen length of the input data
\r
39 void sha1_update( sha1_context *ctx, unsigned char *input, int ilen );
\r
42 * \brief SHA-1 final digest
\r
44 * \param ctx SHA-1 context
\r
45 * \param output SHA-1 checksum result
\r
47 void sha1_finish( sha1_context *ctx, unsigned char output[20] );
\r
50 * \brief Output = SHA-1( input buffer )
\r
52 * \param input buffer holding the data
\r
53 * \param ilen length of the input data
\r
54 * \param output SHA-1 checksum result
\r
56 void sha1( unsigned char *input, int ilen, unsigned char output[20] );
\r
59 * \brief Output = SHA-1( file contents )
\r
61 * \param path input file name
\r
62 * \param output SHA-1 checksum result
\r
64 * \return 0 if successful, 1 if fopen failed,
\r
65 * or 2 if fread failed
\r
67 int sha1_file( char *path, unsigned char output[20] );
\r
70 * \brief SHA-1 HMAC context setup
\r
72 * \param ctx HMAC context to be initialized
\r
73 * \param key HMAC secret key
\r
74 * \param keylen length of the HMAC key
\r
76 void sha1_hmac_starts( sha1_context *ctx, unsigned char *key, int keylen );
\r
79 * \brief SHA-1 HMAC process buffer
\r
81 * \param ctx HMAC context
\r
82 * \param input buffer holding the data
\r
83 * \param ilen length of the input data
\r
85 void sha1_hmac_update( sha1_context *ctx, unsigned char *input, int ilen );
\r
88 * \brief SHA-1 HMAC final digest
\r
90 * \param ctx HMAC context
\r
91 * \param output SHA-1 HMAC checksum result
\r
93 void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] );
\r
96 * \brief Output = HMAC-SHA-1( hmac key, input buffer )
\r
98 * \param key HMAC secret key
\r
99 * \param keylen length of the HMAC key
\r
100 * \param input buffer holding the data
\r
101 * \param ilen length of the input data
\r
102 * \param output HMAC-SHA-1 result
\r
104 void sha1_hmac( unsigned char *key, int keylen,
\r
105 unsigned char *input, int ilen,
\r
106 unsigned char output[20] );
\r
109 * \brief Checkup routine
\r
111 * \return 0 if successful, or 1 if the test failed
\r
113 int sha1_self_test( int verbose );
\r
119 #endif /* sha1.h */
\r