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

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

RETURN VALUES

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

HISTORY

The BN_copy() and BN_dup() functions are available in all versions of SSLeay and OpenSSL. 

SEE ALSO

Functions: bn(3), err(3)