MembershipProvider.DecryptPassword(Byte[]) 方法

定义

命名空间:
System.Web.Security
程序集:
System.Web.ApplicationServices.dll, System.Web.dll

解密已加密的密码。Decrypts an encrypted password.

protected:
 virtual cli::array <System::Byte> ^ DecryptPassword(cli::array <System::Byte> ^ encodedPassword);
protected virtual byte[] DecryptPassword (byte[] encodedPassword);
abstract member DecryptPassword : byte[] -> byte[]
override this.DecryptPassword : byte[] -> byte[]
Protected Overridable Function DecryptPassword (encodedPassword As Byte()) As Byte()

参数

encodedPassword
Byte[]

一个字节数组，包含要解密的加密密码。A byte array that contains the encrypted password to decrypt.

返回

Byte[]

包含已解密密码的字节数组。A byte array that contains the decrypted password.

异常

ProviderException

将 ValidationKey 属性或 DecryptionKey 属性设置为 AutoGenerate。The ValidationKey property or DecryptionKey property is set to AutoGenerate.

PlatformNotSupportedException

此方法不可用。This method is not available. 如果应用程序以 .NET Framework 4 Client Profile.NET Framework 4 Client Profile 为目标，则会发生这种情况。This can occur if the application targets the .NET Framework 4 Client Profile.NET Framework 4 Client Profile. 若要避免此异常，请重写该方法，或将应用程序更改为面向 .NET Framework 的完整版本。To prevent this exception, override the method, or change the application to target the full version of the .NET Framework.

示例

有关MembershipProvider实现的示例，请参阅实现配置文件提供程序。For an example of a MembershipProvider implementation, see Implementing a Profile Provider.

注解

DecryptPassword方法是一个虚拟方法，为成员资格提供程序实现提供支持加密的密码格式时要使用的方法。The DecryptPassword method is a virtual method that is provided for membership provider implementations to use when supporting encrypted password formats.

适用于

另请参阅