DSA_sign() and DSA_sign_setup() return 1 on success, 0 on error.
DSA_verify() returns 1 for a valid signature, 0 for an incorrect
signature and -1 on error. The error codes can be obtained by
-L<ERR_get_error(3)|ERR_get_error(3)>.
+L<ERR_get_error(3)>.
=head1 CONFORMING TO
=head1 SEE ALSO
-L<dsa(3)|dsa(3)>, L<ERR_get_error(3)|ERR_get_error(3)>, L<rand(3)|rand(3)>,
-L<DSA_do_sign(3)|DSA_do_sign(3)>
-
-=head1 HISTORY
-
-DSA_sign() and DSA_verify() are available in all versions of SSLeay.
-DSA_sign_setup() was added in SSLeay 0.8.
+L<dsa(3)>, L<ERR_get_error(3)>, L<rand(3)>,
+L<DSA_do_sign(3)>
=cut