KeyPair.generateRsa constructor

KeyPair.generateRsa({ BigInt? exponent, int bitStrength = 2048, })

Implementation

factory KeyPair.generateRsa({BigInt? exponent, int bitStrength = 2048}) {
  exponent ??= BigInt.from(65537);

  var generator = pc.RSAKeyGenerator()
    ..init(pc.ParametersWithRandom(
        pc.RSAKeyGeneratorParameters(exponent, bitStrength, 5),
        DefaultSecureRandom()));

  var pair = generator.generateKeyPair();

  return KeyPair(
      publicKey: RsaPublicKey(
        exponent: (pair.publicKey as pc.RSAPublicKey).publicExponent!,
        modulus: (pair.publicKey as pc.RSAPublicKey).n!,
      ),
      privateKey: RsaPrivateKey(
        modulus: (pair.privateKey as pc.RSAPrivateKey).n!,
        privateExponent:
            (pair.privateKey as pc.RSAPrivateKey).privateExponent!,
        firstPrimeFactor: (pair.privateKey as pc.RSAPrivateKey).p!,
        secondPrimeFactor: (pair.privateKey as pc.RSAPrivateKey).q!,
      ));
}