30 lines
948 B
Dart
30 lines
948 B
Dart
import 'dart:convert';
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/// 与 uniApp 端 utils/crypto.js 完全一致的密码混淆算法（XOR + Base64）。
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/// 注意：仅防明文存储，非强加密。
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const String _secretKey = 'QIANGBAO_AI_JIZHANG_2024';
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String encryptPassword(String password) {
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if (password.isEmpty) return '';
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final chars = password.codeUnits;
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final keyUnits = _secretKey.codeUnits;
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final encrypted = String.fromCharCodes([
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for (var i = 0; i < chars.length; i++) chars[i] ^ keyUnits[i % keyUnits.length],
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]);
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return base64Encode(utf8.encode(encrypted));
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}
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String decryptPassword(String encrypted) {
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if (encrypted.isEmpty) return '';
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try {
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final decoded = utf8.decode(base64Decode(encrypted));
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final chars = decoded.codeUnits;
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final keyUnits = _secretKey.codeUnits;
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return String.fromCharCodes([
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for (var i = 0; i < chars.length; i++) chars[i] ^ keyUnits[i % keyUnits.length],
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]);
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} catch (_) {
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return '';
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}
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}
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