twonly-app-dependencies/pointycastle/lib/ecc/curves/prime256v1.dart
2025-12-07 16:10:41 +01:00

41 lines
1.7 KiB
Dart

// See file LICENSE for more information.
library impl.ec_domain_parameters.prime256v1;
import 'package:pointycastle/ecc/api.dart';
import 'package:pointycastle/ecc/ecc_base.dart';
import 'package:pointycastle/src/ec_standard_curve_constructor.dart';
import 'package:pointycastle/src/registry/registry.dart';
// ignore: camel_case_types
class ECCurve_prime256v1 extends ECDomainParametersImpl {
static final FactoryConfig factoryConfig = StaticFactoryConfig(
ECDomainParameters, 'prime256v1', () => ECCurve_prime256v1());
factory ECCurve_prime256v1() => constructFpStandardCurve(
'prime256v1', ECCurve_prime256v1._make,
q: BigInt.parse('ffffffff00000001000000000000000000000000ffffffffffffffffffffffff',
radix: 16),
a: BigInt.parse(
'ffffffff00000001000000000000000000000000fffffffffffffffffffffffc',
radix: 16),
b: BigInt.parse(
'5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b',
radix: 16),
g: BigInt.parse(
'036b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296',
radix: 16),
n: BigInt.parse(
'ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551',
radix: 16),
h: BigInt.parse('1', radix: 16),
seed: BigInt.parse('c49d360886e704936a6678e1139d26b7819f7e90',
radix: 16)) as ECCurve_prime256v1;
static ECCurve_prime256v1 _make(String domainName, ECCurve curve, ECPoint G,
BigInt n, BigInt h, List<int> seed) =>
ECCurve_prime256v1._super(domainName, curve, G, n, h, seed);
ECCurve_prime256v1._super(super.domainName, super.curve, super.G, super.n,
BigInt super._h, List<int> super.seed);
}