Remove set_rsa

use {cvt, cvt_p};

use bio::{MemBio, MemBioSlice};

use dsa::Dsa;

use rsa::{Rsa, RsaRef};

use rsa::Rsa;

use error::ErrorStack;

use util::{CallbackState, invoke_passwd_cb};

use types::{OpenSslType, OpenSslTypeRef};

            Ok(PKey::from_ptr(evp))

        }

    }

    /// Assign an RSA key to this pkey.

    pub fn set_rsa(&mut self, rsa: &RsaRef) -> Result<(), ErrorStack> {

        unsafe {

            // this needs to be a reference as the set1_RSA ups the reference count

            let rsa_ptr = rsa.as_ptr();

            try!(cvt(ffi::EVP_PKEY_set1_RSA(self.0, rsa_ptr)));

            Ok(())

        }

    }

}

#[cfg(test)]