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27 lines
849 B
27 lines
849 B
import 'package:shared_preferences/shared_preferences.dart';
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import "package:pointycastle/export.dart";
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import '/utils/encryption/rsa_key_helper.dart';
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const rsaPrivateKeyName = 'rsaPrivateKey';
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void setPrivateKey(RSAPrivateKey key) async {
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String keyPem = RsaKeyHelper.encodePrivateKeyToPem(key);
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final prefs = await SharedPreferences.getInstance();
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prefs.setString(rsaPrivateKeyName, keyPem);
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}
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void unsetPrivateKey() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove(rsaPrivateKeyName);
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}
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Future<RSAPrivateKey> getPrivateKey() async {
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final prefs = await SharedPreferences.getInstance();
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String? keyPem = prefs.getString(rsaPrivateKeyName);
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if (keyPem == null) {
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throw Exception('No RSA private key set');
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}
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return RsaKeyHelper.parsePrivateKeyFromPem(keyPem);
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}
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