private static void ValidateMode(DpapiStorageMode mode)
{
if (!Enum.IsDefined(typeof(DpapiStorageMode), mode))
{
throw new ArgumentOutOfRangeException("mode", SR.ExceptionOutOfRangeDpapiStorageMode);
}
}
public void EncryptAndDecryptMachineModeWithMissingEntropy()
{
DpapiStorageMode mode = DpapiStorageMode.Machine;
DpapiCryptographer dpapi = new DpapiCryptographer(mode);
dpapi.Encrypt(this.plainText);
}
public void EncryptAndDecryptUserMode()
{
DpapiStorageMode mode = DpapiStorageMode.User;
DpapiCryptographer dpapi = new DpapiCryptographer(mode);
byte[] cipherText = dpapi.Encrypt(this.plainText);
Assert.IsFalse(CryptographyUtility.CompareBytes(this.plainText, cipherText));
byte[] decryptedText = dpapi.Decrypt(cipherText);
Assert.IsTrue(CryptographyUtility.CompareBytes(this.plainText, decryptedText));
}
public void Properties()
{
DpapiStorageMode mode = DpapiStorageMode.Machine;
byte[] entropy = new byte[] { 0, 1, 2, 3, 4 };
DpapiSettingsData data = new DpapiSettingsData();
data.Mode = mode;
data.Entropy = entropy;
Assert.AreEqual(mode, data.Mode);
Assert.AreEqual(entropy, data.Entropy);
}
public void Properties()
{
string name = "name";
DpapiStorageMode mode = DpapiStorageMode.User;
byte[] machineEntropy = new byte[16];
CryptographyUtility.GetRandomBytes(machineEntropy);
DpapiSymmetricCryptoProviderData data = new DpapiSymmetricCryptoProviderData();
data.Name = name;
Assert.AreEqual(name, data.Name, "name");
Assert.AreEqual(typeof(DpapiSymmetricCryptoProvider).AssemblyQualifiedName, data.TypeName, "type");
DpapiSettingsData dpapiData = new DpapiSettingsData();
dpapiData.Mode = mode;
dpapiData.Entropy = machineEntropy;
data.DataProtectionMode = dpapiData;
Assert.AreEqual(mode, data.DataProtectionMode.Mode, "Mode");
Assert.IsTrue(CryptographyUtility.CompareBytes(machineEntropy, dpapiData.Entropy), "Entropy");
}
/// <summary>
/// <para>Initialize a new instnace of the <see cref="DpapiSettingsData"/> class with entropy and a <see cref="DpapiStorageMode"/>.</para>
/// </summary>
/// <param name="entropy">
/// <para>The machine entropy</para>
/// </param>
/// <param name="mode">
/// <para>One of the <see cref="DpapiStorageMode"/> values.</para>
/// </param>
/// <exception cref="ArgumentOutOfRangeException">
/// <para>The value provided was out of the excepted valid ranges for <see cref="DpapiStorageMode"/>.</para>
/// </exception>
public DpapiSettingsData(byte[] entropy, DpapiStorageMode mode)
{
ValidateMode(mode);
this.mode = mode;
this.entropy = entropy;
}
private static void ValidateMode(DpapiStorageMode mode)
{
if (!Enum.IsDefined(typeof(DpapiStorageMode), mode))
{
throw new ArgumentOutOfRangeException("mode", SR.ExceptionOutOfRangeDpapiStorageMode);
}
}
/// <summary>
/// <para>Initializes a new instance of the <see cref="DpapiCryptographer"/> class with a <see cref="DpapiStorageMode"/>.</para>
/// </summary>
/// <param name="storageMode"><para>One of the <see cref="DpapiStorageMode"/> values.</para></param>
public DpapiCryptographer(DpapiStorageMode storageMode)
{
this.storeMode = storageMode;
}
/// <summary>
/// <para>Initialize a new instnace of the <see cref="DpapiSettingsData"/> class with entropy and a <see cref="DpapiStorageMode"/>.</para>
/// </summary>
/// <param name="entropy">
/// <para>The machine entropy</para>
/// </param>
/// <param name="mode">
/// <para>One of the <see cref="DpapiStorageMode"/> values.</para>
/// </param>
/// <exception cref="ArgumentOutOfRangeException">
/// <para>The value provided was out of the excepted valid ranges for <see cref="DpapiStorageMode"/>.</para>
/// </exception>
public DpapiSettingsData(byte[] entropy, DpapiStorageMode mode)
{
ValidateMode(mode);
this.mode = mode;
this.entropy = entropy;
}
private DpapiSettings()
{
mode = DpapiStorageMode.None;
}
/// <summary>
/// <para>Initializes a new instance of the <see cref="DpapiCryptographer"/> class with a <see cref="DpapiStorageMode"/>.</para>
/// </summary>
/// <param name="storageMode"><para>One of the <see cref="DpapiStorageMode"/> values.</para></param>
public DpapiCryptographer(DpapiStorageMode storageMode)
{
this.storeMode = storageMode;
}
private DpapiSettings()
{
mode = DpapiStorageMode.None;
}