RSA_size(3) — Subroutines
NAME
RSA_size − Get RSA modulus size
SYNOPSIS
#include <openssl/rsa.h>
int RSA_size(
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.
The rsa->n must not be NULL.
RETURN VALUE
The size in bytes.
HISTORY
The RSA_size() function is available in all versions of SSLeay and OpenSSL.
SEE ALSO
Functions: rsa(3)