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.\" ========================================================================
.\"
.IX Title "DSA_size 3openssl"
.TH DSA_size 3openssl "2016-05-03" "1.0.1t" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
DSA_size \- get DSA signature size
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/dsa.h>
\&
\& int DSA_size(const DSA *dsa);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This function returns the size of an \s-1ASN\s0.1 encoded \s-1DSA\s0 signature in
bytes. It can be used to determine how much memory must be allocated
for a \s-1DSA\s0 signature.
.PP
\&\fBdsa\->q\fR must not be \fB\s-1NULL\s0\fR.
.SH "RETURN VALUE"
.IX Header "RETURN VALUE"
The size in bytes.

.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (5)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	library/security/openssl
=
Stability	Uncommitted
.TE 
.PP
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIdsa\fR\|(3), \fIDSA_sign\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
\&\fIDSA_size()\fR is available in all versions of SSLeay and OpenSSL.


.SH NOTES

.\" Oracle has added source availability information to this manual page
This software was built from source available at https://java.net/projects/solaris-userland.  The original community source was downloaded from  http://www.openssl.org/source/openssl-1.0.1t.tar.gz

Further information about this software can be found on the open source community website at http://www.openssl.org/.