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gnutls_hmac_fast(3) gnutls gnutls_hmac_fast(3) NAME gnutls_hmac_fast - API function 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); 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 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). RETURNS Zero or a negative error code on error. SINCE 2.10.0 REPORTING BUGS Report bugs to <bugs@gnutls.org>. Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 2001- Free Software Foundation, Inc., and others. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. SEE ALSO The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/local/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/