public LocalDataProtectionProviderBase(
IProtectedData protectedData,
IDataProtectionProvider dataProtectionProvider)
{
this.protectedData = protectedData;
this.dataProtectionProvider = dataProtectionProvider;
if (OperatingSystem2.IsWindows)
{
if (OperatingSystem2.IsWindows10AtLeast)
{
defaultELocalDataProtectionType = LocalDataProtectionType.Win10WithAesCFB;
}
else
{
defaultELocalDataProtectionType = LocalDataProtectionType.ProtectedDataWithAesCFB;
}
}
else
{
defaultELocalDataProtectionType = LocalDataProtectionType.AesCFB;
}
_aes = new Lazy <Aes>(() =>
{
(var key, var iv) = MachineSecretKey;
// https://github.com/dotnet/runtime/issues/42214#issuecomment-698495584
// AES CFB in Windows 7 catch Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Unknown error (0xc10000bb)
// AES CFB in Android catch CryptographicException: Bad PKCS7 padding. Invalid length
var mode = OperatingSystem2.IsAndroid ? CipherMode.CBC : CipherMode.CFB;
var r = AESUtils.Create(key, iv, mode, PaddingMode.PKCS7);
return(r);
});
}
public LocalDataProtectionProviderBase(
IProtectedData protectedData,
IDataProtectionProvider dataProtectionProvider)
{
this.protectedData = protectedData;
this.dataProtectionProvider = dataProtectionProvider;
switch (DI.Platform)
{
case Platform.Windows:
if (Environment.OSVersion.Version.Major >= 10)
{
defaultELocalDataProtectionType = LocalDataProtectionType.Win10WithAesOFB;
}
else
{
defaultELocalDataProtectionType = LocalDataProtectionType.ProtectedDataWithAesOFB;
}
break;
case Platform.Linux:
defaultELocalDataProtectionType = LocalDataProtectionType.AesOFB;
break;
default:
defaultELocalDataProtectionType = LocalDataProtectionType.None;
break;
}
_aes = new Lazy <Aes>(() =>
{
(byte[] key, byte[] iv) = MachineSecretKey;
var r = AESUtils.Create(key, iv, CipherMode.CFB, PaddingMode.PKCS7);
return(r);
});
}
public LocalDataProtectionProviderBase(
IProtectedData protectedData,
IDataProtectionProvider dataProtectionProvider)
{
this.protectedData = protectedData;
this.dataProtectionProvider = dataProtectionProvider;
switch (DI.Platform)
{
case Platform.Windows:
if (Environment.OSVersion.Version.Major >= 10)
{
defaultELocalDataProtectionType = LocalDataProtectionType.Win10WithAesOFB;
}
else
{
defaultELocalDataProtectionType = LocalDataProtectionType.ProtectedDataWithAesOFB;
}
break;
case Platform.Linux:
defaultELocalDataProtectionType = LocalDataProtectionType.AesOFB;
break;
default:
defaultELocalDataProtectionType = LocalDataProtectionType.None;
break;
}
_aes = new Lazy <Aes>(() =>
{
(byte[] key, byte[] iv) = MachineSecretKey;
// https://github.com/dotnet/runtime/issues/42214#issuecomment-698495584
// AES CFB in Windows 7 catch Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException: Unknown error (0xc10000bb)
var r = AESUtils.Create(key, iv, CipherMode.CFB, PaddingMode.PKCS7);
return(r);
});
}
public LocalDataProtectionProvider(IProtectedData protectedData, IDataProtectionProvider dataProtectionProvider) : base(protectedData, dataProtectionProvider)
{
MachineSecretKey = GetMachineSecretKey();
}