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Description:

simple rsa3

Notice #
This package is a fork of the original simple_rsa package, all the credit is to their original authors.
There was also simple_rsa2 which was a fork I maintained when I used to work at DevelSystems, but since
the development of that one staled. I decided to fork it again, and bring this library back from the dead :).
Simple RSA Encryption #
Flutter plugin to encrypt, decrypt (RSA/ECB/PCSK1), verify and sign string with a public and a private key
Support for ANDROID and iOS(thanks to adlanarifzr)
Installation #
To use the plugin, add simple_rsa3 as a
dependency in your pubspec.yaml file.
Usage #
First, initialize private and public key. Preferably in BASE64 format.
final publicKey = '...';
final privateKey = '...';
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After that, you can encrypt or decrypt text
let simple_rsa3 = SimpleRsa3();
let plainText = 'something';
final encryptedText = await simple_rsa3.encryptString(plainText, utf8.decode(base64.decode(publicKey))) ?? '';
final decryptedText = await simple_rsa3.decryptString(encryptedText, utf8.decode(base64.decode(privateKey))) ?? '';

// Test
print(plainText == decryptedText ? 'true' : 'false');
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Or you might want to sign and verify text
let simple_rsa3 = SimpleRsa3();
let plainText = 'something';
final signedText = await simple_rsa3.encryptString(plainText, utf8.decode(base64.decode(privateKey))) ?? '';
final verified = await simple_rsa3.verifyString(plainText, signedText, utf8.decode(base64.decode(publicKey))) ?? '';

// Test
print(verified ? 'true' : 'false');
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Contributions #
Adlan Arif Zakaria (adlanarifzr) iOS compatibility, sign and verify method.