.\" DO NOT MODIFY THIS FILE! It was generated by gdoc. .TH "gnutls_cipher_add_auth" 3 "3.2.7" "gnutls" "gnutls" .SH NAME gnutls_cipher_add_auth \- API function .SH SYNOPSIS .B #include .sp .BI "int gnutls_cipher_add_auth(gnutls_cipher_hd_t " handle ", const void * " text ", size_t " text_size ");" .SH ARGUMENTS .IP "gnutls_cipher_hd_t handle" 12 is a \fBgnutls_cipher_hd_t\fP structure. .IP "const void * text" 12 the data to be authenticated .IP "size_t text_size" 12 The length of the data .SH "DESCRIPTION" This function operates on authenticated encryption with associated data (AEAD) ciphers and authenticate the input data. This function can only be called once and before any encryption operations. .SH "RETURNS" Zero or a negative error code on error. .SH "SINCE" 3.0 .SH "REPORTING BUGS" Report bugs to . .br General guidelines for reporting bugs: http://www.gnu.org/gethelp/ .br GnuTLS home page: http://www.gnu.org/software/gnutls/ .SH COPYRIGHT Copyright \(co 2001-2013 Free Software Foundation, Inc.. .br 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. .SH "SEE ALSO" The full documentation for .B gnutls is maintained as a Texinfo manual. If the .B info and .B gnutls programs are properly installed at your site, the command .IP .B info gnutls .PP should give you access to the complete manual. As an alternative you may obtain the manual from: .IP .B http://www.gnu.org/software/gnutls/manual/ .PP