private OneKey verifyBccAndExtractDevicePublicKey()

in java/remoteprovisioning/ProtectedDataPayload.java [164:184]

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

  private OneKey verifyBccAndExtractDevicePublicKey(CBORObject bcc)
      throws CborException, CryptoException {
    CborUtil.checkArrayMinLength(bcc, BCC_LENGTH_MINIMUM, "BCC");
    CborUtil.checkMap(bcc.get(BCC_DEVICE_PUBLIC_KEY_INDEX), "First entry in the BCC");

    // verify the certificate chain
    if (!CryptoUtil.validateBcc(bcc)) {
      throw new CryptoException(
          "Failed to verify certificate chain", CryptoException.VERIFICATION_FAILURE);
    }

    // Extract and return the public key
    try {
      return new OneKey(bcc.get(BCC_DEVICE_PUBLIC_KEY_INDEX));
    } catch (CoseException e) {
      throw new CborException(
          "Failed to decode the certificate containing the device public key",
          e,
          CborException.DESERIALIZATION_ERROR);
    }
  }