HP OpenVMS Systems Documentation

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HP Open Source Security for OpenVMS Volume 2: HP SSL for OpenVMS > CRYPTO Application Programming Interface (API) Reference

BN_copy

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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, and 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.