本文整理汇总了VB.NET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：VB.NET ProtectedData类的具体用法？VB.NET ProtectedData怎么用？VB.NET ProtectedData使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
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VB.NET代码示例。
示例1: DataProtectionSample
' 导入命名空间
Imports System.Security.Cryptography
Public Class DataProtectionSample
' Create byte array for additional entropy when using Protect method.
Private Shared s_aditionalEntropy As Byte() = {9, 8, 7, 6, 5}
Public Shared Sub Main()
' Create a simple byte array containing data to be encrypted.
Dim secret As Byte() = {0, 1, 2, 3, 4, 1, 2, 3, 4}
'Encrypt the data.
Dim encryptedSecret As Byte() = Protect(secret)
Console.WriteLine("The encrypted byte array is:")
PrintValues(encryptedSecret)
' Decrypt the data and store in a byte array.
Dim originalData As Byte() = Unprotect(encryptedSecret)
Console.WriteLine("{0}The original data is:", Environment.NewLine)
PrintValues(originalData)
End Sub
Public Shared Function Protect(ByVal data() As Byte) As Byte()
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 e As CryptographicException
Console.WriteLine("Data was not encrypted. An error occurred.")
Console.WriteLine(e.ToString())
Return Nothing
End Try
End Function
Public Shared Function Unprotect(ByVal data() As Byte) As Byte()
Try
'Decrypt the data using DataProtectionScope.CurrentUser.
Return ProtectedData.Unprotect(data, s_aditionalEntropy, DataProtectionScope.CurrentUser)
Catch e As CryptographicException
Console.WriteLine("Data was not decrypted. An error occurred.")
Console.WriteLine(e.ToString())
Return Nothing
End Try
End Function
Public Shared Sub PrintValues(ByVal myArr() As [Byte])
Dim i As [Byte]
For Each i In myArr
Console.Write(vbTab + "{0}", i)
Next i
Console.WriteLine()
End Sub
End Class