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DESCryptoServiceProvider.CreateDecryptor Method (Byte(), Byte())

Creates a symmetric Data Encryption Standard (DES) decryptor object with the specified key (Key) and initialization vector (IV).

Namespace:  System.Security.Cryptography
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public Overrides Function CreateDecryptor ( _
	rgbKey As Byte(), _
	rgbIV As Byte() _
) As ICryptoTransform

Parameters

rgbKey
Type: System.Byte()

The secret key to use for the symmetric algorithm.

rgbIV
Type: System.Byte()

The initialization vector to use for the symmetric algorithm.

Return Value

Type: System.Security.Cryptography.ICryptoTransform
A symmetric DES decryptor object.

ExceptionCondition
CryptographicException

The value of the Mode property is OFB.

-or-

The value of the Mode property is CFB and the value of the FeedbackSize property is not 8.

-or-

An invalid key size was used.

-or-

The algorithm key size was not available.

This method decrypts an encrypted message that was created using the CreateEncryptor overload with the same parameters.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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