func: static int qcrypto_cipher_init_des_rfb(QCryptoCipher *cipher,
  
                                         const uint8_t *key, size_t nkey,
  
                                         Error **errp)
  
  {
  
      QCryptoCipherBuiltin *ctxt;
  
  
  
      if (cipher->mode != QCRYPTO_CIPHER_MODE_ECB) {
  
          error_setg(errp, "Unsupported cipher mode %d", cipher->mode);
  
          return -1;
  
      }
  
  
  
      ctxt = g_new0(QCryptoCipherBuiltin, 1);
  
  
  
      ctxt->state.desrfb.key = g_new0(uint8_t, nkey);
  
      memcpy(ctxt->state.desrfb.key, key, nkey);
  
      ctxt->state.desrfb.nkey = nkey;
  
  
  
  
      ctxt->free = qcrypto_cipher_free_des_rfb;
  
      ctxt->setiv = qcrypto_cipher_setiv_des_rfb;
  
      ctxt->encrypt = qcrypto_cipher_encrypt_des_rfb;
  
      ctxt->decrypt = qcrypto_cipher_decrypt_des_rfb;
  
  
  
      cipher->opaque = ctxt;
  
  
  
      return 0;
  
  }