lazychacha
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Description:
lazychacha
lazychacha #
Lazy ChaCha20-Poly1305 in Flutter base on cryptography
Algorithm details #
Key exchange: X25519
Encryption: ChaCha20
Authentication: Poly1305
Usage #
pubspec.yml
dependencies:
lazychacha: ^1.0.0
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Dart
final lazychacha = LazyChaCha.instance;
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How to use #
Generate KeyPair
final keyPair = await KeyPair.newKeyPair();
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Key Exchange & Shared Key
final clientKeyPair = await KeyPair.newKeyPair();
final serverKeyPair = await KeyPair.newKeyPair();
final clientSharedKey = await clientKeyPair.sharedKey(serverKeyPair.pk);
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Encrypt
final lazyChaCha = LazyChaCha.instance;
final sharedKey = await clientKeyPair.sharedKey(serverKeyPair.pk);
const plaintext = '{"message": "Hi"}';
final ciphertext = await lazyChaCha.encrypt(plaintext, sharedKey);
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Decrypt
final lazyChaCha = LazyChaCha.instance;
final sharedKey = await clientKeyPair.sharedKey(serverKeyPair.pk);
const ciphertext = '1ec54672d8ef2cca351';
final plaintext = await lazyChaCha.decrypt(ciphertext, sharedKey);
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License:
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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