45 lines
1.6 KiB
C#
45 lines
1.6 KiB
C#
using System;
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using System.Linq;
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using System.Security.Cryptography;
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using Microsoft.Extensions.Logging;
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namespace Pal.Client.Configuration
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{
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internal static class ConfigurationData
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{
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private static readonly ILogger _logger =
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DependencyInjectionContext.LoggerProvider.CreateLogger(typeof(ConfigurationData));
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[Obsolete("for V1 import")]
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internal static readonly byte[] FixedV1Entropy = { 0x22, 0x4b, 0xe7, 0x21, 0x44, 0x83, 0x69, 0x55, 0x80, 0x38 };
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public const string ConfigFileName = "palace-pal.config.json";
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private static bool? _supportsDpapi = null;
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public static bool SupportsDpapi
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{
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get
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{
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if (_supportsDpapi == null)
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{
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try
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{
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byte[] input = RandomNumberGenerator.GetBytes(32);
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byte[] entropy = RandomNumberGenerator.GetBytes(16);
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byte[] temp = ProtectedData.Protect(input, entropy, DataProtectionScope.CurrentUser);
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byte[] output = ProtectedData.Unprotect(temp, entropy, DataProtectionScope.CurrentUser);
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_supportsDpapi = input.SequenceEqual(output);
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}
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catch (Exception)
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{
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_supportsDpapi = false;
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}
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_logger.LogTrace("DPAPI support: {Supported}", _supportsDpapi);
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}
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return _supportsDpapi.Value;
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}
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}
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}
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}
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