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NAME
RSA_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 ALSO
rsa(3)
HISTORY
RSA_size() is available in all versions of SSLeay and OpenSSL.