=pod | |
=head1 NAME | |
BN_copy, BN_dup - copy BIGNUMs | |
=head1 SYNOPSIS | |
#include <openssl/bn.h> | |
BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from); | |
BIGNUM *BN_dup(const BIGNUM *from); | |
=head1 DESCRIPTION | |
BN_copy() copies B<from> to B<to>. BN_dup() creates a new B<BIGNUM> | |
containing the value B<from>. | |
=head1 RETURN VALUES | |
BN_copy() returns B<to> on success, NULL on error. BN_dup() returns | |
the new B<BIGNUM>, and NULL on error. The error codes can be obtained | |
by L<ERR_get_error(3)|ERR_get_error(3)>. | |
=head1 SEE ALSO | |
L<bn(3)|bn(3)>, L<err(3)|err(3)> | |
=head1 HISTORY | |
BN_copy() and BN_dup() are available in all versions of SSLeay and OpenSSL. | |
=cut |