本文整理汇总了C#中System.Security.Cryptography.ProtectedData类的典型用法代码示例。如果您正苦于以下问题：C# ProtectedData类的具体用法？C# ProtectedData怎么用？C# ProtectedData使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
ProtectedData类属于System.Security.Cryptography命名空间，在下文中一共展示了ProtectedData类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
using System.Security.Cryptography;
public class DataProtectionSample
{
// Create byte array for additional entropy when using Protect method.
static byte [] s_aditionalEntropy = { 9, 8, 7, 6, 5 };
public static void Main()
{
// Create a simple byte array containing data to be encrypted.
byte [] secret = { 0, 1, 2, 3, 4, 1, 2, 3, 4 };
//Encrypt the data.
byte [] encryptedSecret = Protect( secret );
Console.WriteLine("The encrypted byte array is:");
PrintValues(encryptedSecret);
// Decrypt the data and store in a byte array.
byte [] originalData = Unprotect( encryptedSecret );
Console.WriteLine("{0}The original data is:", Environment.NewLine);
PrintValues(originalData);
}
public static byte [] Protect( byte [] data )
{
try
{
// Encrypt the data using DataProtectionScope.CurrentUser. The result can be decrypted
// only by the same current user.
return ProtectedData.Protect( data, s_aditionalEntropy, DataProtectionScope.CurrentUser );
}
catch (CryptographicException e)
{
Console.WriteLine("Data was not encrypted. An error occurred.");
Console.WriteLine(e.ToString());
return null;
}
}
public static byte [] Unprotect( byte [] data )
{
try
{
//Decrypt the data using DataProtectionScope.CurrentUser.
return ProtectedData.Unprotect( data, s_aditionalEntropy, DataProtectionScope.CurrentUser );
}
catch (CryptographicException e)
{
Console.WriteLine("Data was not decrypted. An error occurred.");
Console.WriteLine(e.ToString());
return null;
}
}
public static void PrintValues( Byte[] myArr )
{
foreach ( Byte i in myArr )
{
Console.Write( "\t{0}", i );
}
Console.WriteLine();
}
}