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RSAOAEPKeyExchangeDeformatter.DecryptKeyExchange Method

Extracts secret information from the encrypted key exchange data.

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

public override byte[] DecryptKeyExchange (
	byte[] rgbData
public byte[] DecryptKeyExchange (
	byte[] rgbData
public override function DecryptKeyExchange (
	rgbData : byte[]
) : byte[]
Not applicable.



The key exchange data within which the secret information is hidden.

Return Value

The secret information derived from the key exchange data.

Exception typeCondition


The key exchange data verification has failed.


The key is missing.

You must specify a key before calling this method.

The following code example demonstrates how to use the DecryptKeyExchange method to decrypt the specified encoded message. This code example is part of a larger example provided for the RSAOAEPKeyExchangeDeformatter class.

byte[] decodedBytes =

ubyte decodedBytes[] = keyDecryptor.

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0