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.\" DO NOT MODIFY THIS FILE! It was generated by gdoc.
.TH "gnutls_cipher_add_auth" 3 "3.7.9" "gnutls" "gnutls"
.SH NAME
gnutls_cipher_add_auth \- API function
.SH SYNOPSIS
.B #include <gnutls/crypto.h>
.sp
.BI "int gnutls_cipher_add_auth(gnutls_cipher_hd_t " handle ", const void * " ptext ", size_t " ptext_size ");"
.SH ARGUMENTS
.IP "gnutls_cipher_hd_t handle" 12
is a \fBgnutls_cipher_hd_t\fP type
.IP "const void * ptext" 12
the data to be authenticated
.IP "size_t ptext_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 <bugs@gnutls.org>.
.br
Home page: https://www.gnutls.org
.SH COPYRIGHT
Copyright \(co 2001- Free Software Foundation, Inc., and others.
.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 /usr/share/doc/gnutls/
directory does not contain the HTML form visit
.B
.IP https://www.gnutls.org/manual/
.PP
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