1 files changed, 34 insertions, 0 deletions
diff --git a/openssl/doc/crypto/BN_copy.pod b/openssl/doc/crypto/BN_copy.pod
new file mode 100644
index 000000000..388dd7df2
--- /dev/null
+++ b/openssl/doc/crypto/BN_copy.pod
@@ -0,0 +1,34 @@
+=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_get_error(3)|ERR_get_error(3)>
+
+=head1 HISTORY
+
+BN_copy() and BN_dup() are available in all versions of SSLeay and OpenSSL.
+
+=cut