'\" t
.\"     Title: kcapi_aead_authsize
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: November 2020
.\"    Manual: Programming Interface
.\"    Source: libkcapi Manual 1.2.1
.\"  Language: English
.\"
.TH "KCAPI_AEAD_AUTHSIZE" "3" "November 2020" "libkcapi Manual 1\&.2\&.1" "Programming Interface"
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.SH "NAME"
kcapi_aead_authsize \- return the maximum size of the tag
.SH "SYNOPSIS"
.HP \w'uint32_t\ kcapi_aead_authsize('u
.BI "uint32_t kcapi_aead_authsize(struct\ kcapi_handle\ *\ " "handle" ");"
.SH "ARGUMENTS"
.PP
\fIhandle\fR
.RS 4
[in] cipher handle
.RE
.SH "DESCRIPTION"
.PP
The returned maximum is the largest size of the authenticaation tag that can be produced by the AEAD cipher\&. Smaller tag sizes may be chosen depending on the AEAD cipher type\&.
.PP
\fIreturn\fR
> 0 specifying the block size; 0 on error
.SH "AUTHOR"
.PP
\fBStephan Mueller\fR <\&smueller@chronox.de\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br