fn public_key_for_mech()

in src/vtok_p11/src/backend/session.rs [265:288]

• 24 lines of code
• 3 McCabe index (conditional complexity)

    fn public_key_for_mech(
        &self,
        mech: &Mechanism,
        key_handle: ObjectHandle,
    ) -> Result<crypto::Pkey> {
        let key_obj = self.db.object(key_handle).ok_or(Error::KeyHandleInvalid)?;
        match mech {
            Mechanism::RsaX509 | Mechanism::RsaPkcs(..) | Mechanism::RsaPkcsPss(..) => {
                if let ObjectKind::RsaPublicKey(pem) = key_obj.kind() {
                    crypto::Pkey::from_private_pem(pem.as_str()).map_err(Error::CryptoError)
                } else {
                    Err(Error::KeyTypeInconsistent)
                }
            }
            Mechanism::Ecdsa(..) => {
                if let ObjectKind::EcPublicKey(pem) = key_obj.kind() {
                    crypto::Pkey::from_private_pem(pem.as_str()).map_err(Error::CryptoError)
                } else {
                    Err(Error::KeyTypeInconsistent)
                }
            }
            _ => Err(Error::MechanismInvalid),
        }
    }