diff options
Diffstat (limited to 'doc/functions/gnutls_hmac_init')
-rw-r--r-- | doc/functions/gnutls_hmac_init | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/functions/gnutls_hmac_init b/doc/functions/gnutls_hmac_init new file mode 100644 index 0000000..7058511 --- /dev/null +++ b/doc/functions/gnutls_hmac_init @@ -0,0 +1,25 @@ + + + + +@deftypefun {int} {gnutls_hmac_init} (gnutls_hmac_hd_t * @var{dig}, gnutls_mac_algorithm_t @var{algorithm}, const void * @var{key}, size_t @var{keylen}) +@var{dig}: is a @code{gnutls_hmac_hd_t} type + +@var{algorithm}: the HMAC algorithm to use + +@var{key}: the key to be used for encryption + +@var{keylen}: the length of the key + +This function will initialize an context that can be used to +produce a Message Authentication Code (MAC) of data. This will +effectively use the current crypto backend in use by gnutls or the +cryptographic accelerator in use. + +Note that despite the name of this function, it can be used +for other MAC algorithms than HMAC. + +@strong{Returns:} Zero or a negative error code on error. + +@strong{Since:} 2.10.0 +@end deftypefun |