2000-01-24 06:06:24 +08:00
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=pod
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=head1 NAME
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BN_copy, BN_dup - copy BIGNUMs
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=head1 SYNOPSIS
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#include <openssl/bn.h>
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BIGNUM *BN_copy(BIGNUM *to, const BIGNUM *from);
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BIGNUM *BN_dup(const BIGNUM *from);
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=head1 DESCRIPTION
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BN_copy() copies B<from> to B<to>. BN_dup() creates a new B<BIGNUM>
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containing the value B<from>.
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=head1 RETURN VALUES
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BN_copy() returns B<to> on success, NULL on error. BN_dup() returns
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the new B<BIGNUM>, and NULL on error. The error codes can be obtained
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2000-01-27 09:25:31 +08:00
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by L<ERR_get_error(3)|ERR_get_error(3)>.
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2000-01-24 06:06:24 +08:00
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=head1 SEE ALSO
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2002-09-25 21:33:28 +08:00
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L<bn(3)|bn(3)>, L<ERR_get_error(3)|ERR_get_error(3)>
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2000-01-24 06:06:24 +08:00
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=head1 HISTORY
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BN_copy() and BN_dup() are available in all versions of SSLeay and OpenSSL.
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=cut
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