Drop bits to u32

    ///

    /// This corresponds to the bit length of the modulus of an RSA key, and the bit length of the

    /// group order for an elliptic curve key, for example.

    pub fn bits(&self) -> usize {

        unsafe { ffi::EVP_PKEY_bits(self.as_ptr()) as usize }

    pub fn bits(&self) -> u32 {

        unsafe { ffi::EVP_PKEY_bits(self.as_ptr()) as u32 }

    }

    /// Compares the public component of this key with another.