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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 © 2001-2019 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/share/doc/gnutls/ directory does not contain the HTML form visit
https://www.gnutls.org/manual/
3.6.9 gnutls