-RSA_padding_add_PKCS1_type_1(), RSA_padding_check_PKCS1_type_1(),
-RSA_padding_add_PKCS1_type_2(), RSA_padding_check_PKCS1_type_2(),
-RSA_padding_add_SSLv23(), RSA_padding_check_SSLv23(),
-RSA_padding_add_none() and RSA_padding_check_none() appeared in
-SSLeay 0.9.0.