RSA_size(3) OpenSSL RSA_size(3)NAMERSA_size - get RSA modulus size
SYNOPSIS
#include <openssl/rsa.h>
int RSA_size(const RSA *rsa);
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.
rsa->n must not be NULL.
RETURN VALUE
The size in bytes.
SEE ALSOrsa(3)HISTORYRSA_size() is available in all versions of SSLeay and OpenSSL.
1.0.1f 2014-01-06 RSA_size(3)