openssl/doc/crypto/RSA_size.pod
Geoff Thorpe 5bf738737d These are updates/fixes to DH/DSA/RAND docs based on the fixes to the RSA
docs. There were a couple of other places (including RSA) where the docs
were not quite synchronised with the API that are now fixed. One or two
still remain to be fixed though ...
2002-08-05 16:27:01 +00:00

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=pod
=head1 NAME
RSA_size - get RSA modulus size
=head1 SYNOPSIS
#include <openssl/rsa.h>
int RSA_size(const RSA *rsa);
=head1 DESCRIPTION
This function returns the RSA modulus size in bytes. It can be used to
determine how much memory must be allocated for an RSA encrypted
value.
B<rsa-E<gt>n> must not be B<NULL>.
=head1 RETURN VALUE
The size in bytes.
=head1 SEE ALSO
L<rsa(3)|rsa(3)>
=head1 HISTORY
RSA_size() is available in all versions of SSLeay and OpenSSL.
=cut