mirror of
https://github.com/localsend/localsend.git
synced 2026-06-23 04:10:07 +00:00
Tien Do Nam
44 lines
1.4 KiB
Dart
44 lines
1.4 KiB
Dart
import 'dart:convert';
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import 'dart:typed_data';
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import 'package:basic_utils/basic_utils.dart';
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import 'package:common/common.dart';
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/// Generates a random [SecurityContextResult].
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StoredSecurityContext generateSecurityContext([AsymmetricKeyPair? keyPair]) {
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keyPair ??= CryptoUtils.generateRSAKeyPair();
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final privateKey = keyPair.privateKey as RSAPrivateKey;
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final publicKey = keyPair.publicKey as RSAPublicKey;
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final dn = {
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'CN': 'LocalSend User',
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'O': '',
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'OU': '',
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'L': '',
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'S': '',
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'C': '',
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};
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final csr = X509Utils.generateRsaCsrPem(dn, privateKey, publicKey);
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final certificate = X509Utils.generateSelfSignedCertificate(keyPair.privateKey, csr, 365 * 10);
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final hash = calculateHashOfCertificate(certificate);
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return StoredSecurityContext(
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privateKey: CryptoUtils.encodeRSAPrivateKeyToPemPkcs1(privateKey),
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publicKey: CryptoUtils.encodeRSAPublicKeyToPemPkcs1(publicKey),
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certificate: certificate,
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certificateHash: hash,
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);
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}
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/// Calculates the hash of a certificate.
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String calculateHashOfCertificate(String certificate) {
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// Convert PEM to DER
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final pemContent = certificate.replaceAll('\r\n', '\n').split('\n').where((line) => line.isNotEmpty && !line.startsWith('---')).join();
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final der = base64Decode(pemContent);
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// Calculate hash
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return CryptoUtils.getHash(
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Uint8List.fromList(der),
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algorithmName: 'SHA-256',
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);
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}
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