.Dd $Mdocdate: February 23 2015 $
.Dt BN_SWAP 3
.Os
.Sh NAME
.Nm BN_swap
.Nd exchange BIGNUMs
.Sh SYNOPSIS
.In openssl/bn.h
.Ft void
.Fo BN_swap
.Fa "BIGNUM *a"
.Fa "BIGNUM *b"
.Fc
.Sh DESCRIPTION
.Fn BN_swap
exchanges the values of
.Fa a
and
.Fa b .
.Sh SEE ALSO
.Xr bn 3
.Sh HISTORY
BN_swap was added in OpenSSL 0.9.7.