Sortix
Sortix Download Manual Development Source Code News Blog More
current nightly

NAME

BN_copy, BN_dup — copy BIGNUMs

SYNOPSIS

#include <openssl/bn.h>
BIGNUM *
BN_copy(BIGNUM *to, const BIGNUM *from);
BIGNUM *
BN_dup(const BIGNUM *from);

DESCRIPTION

BN_copy() copies from to to. BN_dup() creates a new BIGNUM containing the value from.

RETURN VALUES

BN_copy() returns to on success, NULL on error. BN_dup() returns the new BIGNUM, or NULL on error. The error codes can be obtained by ERR_get_error(3).

SEE ALSO

bn(3), ERR_get_error(3)

HISTORY

BN_copy() and BN_dup() are available in all versions of SSLeay and OpenSSL.
Copyright 2011-2025 Jonas 'Sortie' Termansen and contributors.
Sortix's source code is free software under the ISC license.
#sortix on irc.sortix.org
@sortix_org