NAME    [Toc]    [Back]

       RSA_size - get RSA modulus size

LIBRARY    [Toc]    [Back]

       libcrypto, -lcrypto

SYNOPSIS    [Toc]    [Back]

        #include <openssl/rsa.h>

        int RSA_size(RSA *rsa);

DESCRIPTION    [Toc]    [Back]

       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    [Toc]    [Back]

       The size in bytes.

SEE ALSO    [Toc]    [Back]

       openssl_rsa(3)

HISTORY    [Toc]    [Back]

       RSA_size() is available in all versions of SSLeay and
       OpenSSL.



2000-07-22                    0.9.6g                  RSA_size(3)