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MemoryProtectionScope Enumeration
Visual Studio 2008
Specifies the scope of memory protection to be applied by the Protect method.
Assembly: System.Security (in System.Security.dll)
| Member name | Description | |
|---|---|---|
| SameProcess | Only code running in the same process as the code that called the Protect method can unprotect memory. | |
| CrossProcess | All code in any process can unprotect memory that was protected using the Protect method. | |
| SameLogon | Only code running in the same user context as the code that called the Protect method can unprotect memory. |
The following code example shows how to use data protection.
Imports System Imports System.Security.Cryptography Public Class MemoryProtectionSample Public Shared Sub Main() ' Create the original data to be encrypted (The data length should be a multiple of 16). Dim secret As Byte() = {1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4} ' Encrypt the data in memory. The result is stored in the same same array as the original data. ProtectedMemory.Protect(secret, MemoryProtectionScope.SameLogon) ' Decrypt the data in memory and store in the original array. ProtectedMemory.Unprotect(secret, MemoryProtectionScope.SameLogon) End Sub End Class
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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