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GitHub repositoryjerson/flutter-openpgp

flutter-openpgp

OpenPGP for flutter made with golang for fast performance with support for android, ios, macos, linux, windows and web

flutter-openpgp project cover
Stars
75
Forks
29
Last push (UTC)
Oct 25, 2025
Project status
Active

Original README

English project snapshot. Visit GitHub for the latest content.

OpenPGP

Library for use openPGP with support for android, ios, macos, windows, linux and web

Integration Tests Android

Integration Tests Linux

Integration Tests Windows

Integration Tests iOS

Integration Tests macOS

Contents

Usage

Async methods
Generate methods

void main() async {
    var keyOptions = KeyOptions()..rsaBits = 2048;
    var keyPair = await OpenPGP.generate(
            options: Options()
              ..name = 'test'
              ..email = 'test@test.com'
              ..passphrase = passphrase
              ..keyOptions = keyOptions);
}
Encrypt methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = await OpenPGP.encrypt("text","[publicKey here]");
    var result = await OpenPGP.encryptSymmetric("text","[passphrase here]");
    var result = await OpenPGP.encryptBytes(bytesSample,"[publicKey here]");
    var result = await OpenPGP.encryptSymmetricBytes(bytesSample,"[passphrase here]");

}

Decrypt methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = await OpenPGP.decrypt("text encrypted","[privateKey here]","[passphrase here]");
    var result = await OpenPGP.decryptSymmetric("text encrypted","[passphrase here]");
    var result = await OpenPGP.decryptBytes(bytesSample,"[privateKey here]","[passphrase here]");
    var result = await OpenPGP.decryptSymmetricBytes(bytesSample,"[passphrase here]");

}
Sign methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = await OpenPGP.sign("text","[privateKey here]","[passphrase here]");
    var result = await OpenPGP.signBytesToString(bytesSample,"[privateKey here]","[passphrase here]");
    
    // sign including data
    var result = await OpenPGP.signData("text","[privateKey here]","[passphrase here]");
    var result = await OpenPGP.signDataBytesToString(bytesSample,"[privateKey here]","[passphrase here]");

}

Verify methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = await OpenPGP.verify("text signed","text","[publicKey here]");
    var result = await OpenPGP.verifyBytes("text signed", bytesSample,"[publicKey here]");
    
    // verify signed with data
    var result = await OpenPGP.verifyData("text signed","[publicKey here]");
    var result = await OpenPGP.verifyDataBytes(bytesSample,"[publicKey here]");

}

Encode methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = await OpenPGP.armorEncode("PGP MESSAGE", bytesSample);
}

Decode methods

void main() async {    
    var result = await OpenPGP.armorDecode("message here");
}

Metadata methods

void main() async {
    var result = await OpenPGP.getPrivateKeyMetadata("[privateKey here]");
    var result = await OpenPGP.getPublicKeyMetadata("[publicKey here]");
}

Convert methods

void main() async {
    var result = await OpenPGP.convertPrivateKeyToPublicKey("[privateKey here]");
}

Sync methods
Generate methods

void main() {
    var keyOptions = KeyOptions()..rsaBits = 2048;
    var keyPair = OpenPGPSync.generate(
            options: Options()
              ..name = 'test'
              ..email = 'test@test.com'
              ..passphrase = passphrase
              ..keyOptions = keyOptions);
}
Encrypt methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = OpenPGPSync.encrypt("text","[publicKey here]");
    var result = OpenPGPSync.encryptSymmetric("text","[passphrase here]");
    var result = OpenPGPSync.encryptBytes(bytesSample,"[publicKey here]");
    var result = OpenPGPSync.encryptSymmetricBytes(bytesSample,"[passphrase here]");

}

Decrypt methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = OpenPGPSync.decrypt("text encrypted","[privateKey here]","[passphrase here]");
    var result = OpenPGPSync.decryptSymmetric("text encrypted","[passphrase here]");
    var result = OpenPGPSync.decryptBytes(bytesSample,"[privateKey here]","[passphrase here]");
    var result = OpenPGPSync.decryptSymmetricBytes(bytesSample,"[passphrase here]");

}
Sign methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = OpenPGPSync.sign("text","[privateKey here]","[passphrase here]");
    var result = OpenPGPSync.signBytesToString(bytesSample,"[privateKey here]","[passphrase here]");
    
    // sign including data
    var result = OpenPGPSync.signData("text","[privateKey here]","[passphrase here]");
    var result = OpenPGPSync.signDataBytesToString(bytesSample,"[privateKey here]","[passphrase here]");

}

Verify methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = OpenPGPSync.verify("text signed","text","[publicKey here]");
    var result = OpenPGPSync.verifyBytes("text signed", bytesSample,"[publicKey here]");
    
    // verify signed with data
    var result = OpenPGPSync.verifyData("text signed","[publicKey here]");
    var result = OpenPGPSync.verifyDataBytes(bytesSample,"[publicKey here]");

}

Encode methods

void main() async {
    var bytesSample = Uint8List.fromList('data'.codeUnits);
    
    var result = OpenPGPSync.armorEncode("PGP MESSAGE", bytesSample);
}

Decode methods

void main() async {    
    var result = OpenPGPSync.armorDecode("message here");
}

Metadata methods

void main() async {
    var result = OpenPGPSync.getPrivateKeyMetadata("[privateKey here]");
    var result = OpenPGPSync.getPublicKeyMetadata("[publicKey here]");
}

Convert methods

void main() async {
    var result = OpenPGPSync.convertPrivateKeyToPublicKey("[privateKey here]");
}

Setup

Android

No additional setup required.

iOS

No additional setup required.

Web

Add to you pubspec.yaml.

assets:
    - packages/openpgp/web/assets/worker.js
    - packages/openpgp/web/assets/wasm_exec.js
    - packages/openpgp/web/assets/openpgp.wasm

ref: https://github.com/jerson/flutter-openpgp/blob/master/example/pubspec.yaml

MacOS

No additional setup required.

Linux

No additional setup required.

Windows

No additional setup required.

Example

Inside example folder.

cd example && flutter run

check our web demo: [https://flutter-openpgp.jerson.dev/]

Native Code

Native library is made in Go for faster performance.

[https://github.com/jerson/openpgp-mobile]

Upgrade Library

You need to run

make upgrade

Tests

You need to run

make test
Gerson Alexander Pardo Gamez GitHub avatar
GitHub author

Gerson Alexander Pardo Gamez ↗

Software Engineer: Go (Golang), Flutter and React Native

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Packages published by this repository

Dependencies used

Dependency list 9 items

  • flutter{"sdk":"flutter"}
  • flutter_web_plugins{"sdk":"flutter"}
  • ffi^2.1.3
  • flat_buffers^23.5.26
  • path^1.9.0
  • web>=0.5.0 <2.0.0
  • plugin_platform_interface^2.0.2
  • flutter_lintsDevelopment^5.0.0
  • flutter_testDevelopment{"sdk":"flutter"}

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