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   gnutls_hmac_fast    ( 3 )

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Имя (Name)

gnutls_hmac_fast - API function

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Синопсис (Synopsis)

#include <gnutls/crypto.h>

       int gnutls_hmac_fast(gnutls_mac_algorithm_t algorithm, const void
       * key, size_t keylen, const void * ptext, size_t ptext_len, void
       * digest);

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Аргументы (Arguments)

gnutls_mac_algorithm_t algorithm
                   the hash algorithm to use

       const void * key
                   the key to use

       size_t keylen
                   the length of the key

       const void * ptext
                   the data to hash

       size_t ptext_len
                   the length of data to hash

       void * digest
                   is the output value of the hash

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Описание (Description)

This convenience function will hash the given data and return
       output on a single call. Note, this call will not work for MAC
       algorithms that require nonce (like UMAC or GMAC).

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Возвращаемое значение (Return value)

Zero or a negative error code on error.

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Сообщение об ошибках (Reporting bugs)

Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

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Смотри также (See also)

The full documentation for gnutls is maintained as a Texinfo
       manual.  If the /usr/share/doc/gnutls/ directory does not contain
       the HTML form visit

       https://www.gnutls.org/manual/ 

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