encryptPGPKey function

Future<EncryptedPrivateKeyModel> encryptPGPKey({ String encryptionType = Constants.ENC_TYPE_V3, required String generatedPrivateKey, required Wallet wallet, dynamic additionalMeta, })

Implementation

Future<EncryptedPrivateKeyModel> encryptPGPKey({
  String encryptionType = Constants.ENC_TYPE_V3,
  required String generatedPrivateKey,
  required Wallet wallet,
  dynamic additionalMeta,
}) async {
  if (wallet.signer == null) {
    throw Exception('Provide signer in the function');
  }

  EncryptedPrivateKeyModel encryptedPrivateKey;

  switch (encryptionType) {
    // case Constants.ENC_TYPE_V1:
    //   String walletPublicKey = wallet.publicKey!;

    //   encryptedPrivateKey =
    //       encryptV1(generatedPrivateKey, walletPublicKey, encryptionType);
    //   break;
    case Constants.ENC_TYPE_V3:
      Uint8List input = await getRandomValues(Uint8List(32));

      final decodedInput = bytesToHex(input);

      String enableProfileMessage = 'Enable Push Profile \n$decodedInput';

      final signature = await getEip191Signature(wallet, enableProfileMessage);
      dynamic secret = signature['verificationProof'];

      List<int> encodedPrivateKey = utf8.encode(generatedPrivateKey);

      encryptedPrivateKey = await encryptV2(
        data: encodedPrivateKey,
        secret: hexToBytesInternal(secret),
      );

      encryptedPrivateKey.version = encryptionType;
      encryptedPrivateKey.preKey = bytesToHex(input);

      break;
    case Constants.ENC_TYPE_V4:
      if (additionalMeta?.NFTPGP_V1?.password == null) {
        throw Exception('Password is required!');
      }
      List<int> encodedPrivateKey = utf8.encode(generatedPrivateKey);
      encryptedPrivateKey = await encryptV2(
        data: encodedPrivateKey,
        secret: hexToBytes(stringToHex(additionalMeta.NFTPGP_V1.password)),
      );
      encryptedPrivateKey.version = Constants.ENC_TYPE_V4;
      encryptedPrivateKey.preKey = '';
      break;
    default:
      throw Exception('Invalid Encryption Type');
  }
  return encryptedPrivateKey;
}