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RSAPKCS1KeyExchangeDeformatter Class

Updated: March 2011

Decrypts the PKCS #1 key exchange data.


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

public ref class RSAPKCS1KeyExchangeDeformatter : public AsymmetricKeyExchangeDeformatter

The RSAPKCS1KeyExchangeDeformatter type exposes the following members.

Public methodRSAPKCS1KeyExchangeDeformatter()Initializes a new instance of the RSAPKCS1KeyExchangeDeformatter class.
Public methodRSAPKCS1KeyExchangeDeformatter(AsymmetricAlgorithm)Initializes a new instance of the RSAPKCS1KeyExchangeDeformatter class with the specified key.

Public propertyParametersGets the parameters for the PKCS #1 key exchange. (Overrides AsymmetricKeyExchangeDeformatter::Parameters.)
Public propertyRNGGets or sets the random number generator algorithm to use in the creation of the key exchange.

Public methodDecryptKeyExchangeExtracts secret information from the encrypted key exchange data. (Overrides AsymmetricKeyExchangeDeformatter::DecryptKeyExchange(array<Byte>).)
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSetKeySets the private key to use for decrypting the secret information. (Overrides AsymmetricKeyExchangeDeformatter::SetKey(AsymmetricAlgorithm).)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

Key exchange allows a sender to create secret information (such as random data that can be used as a key in a symmetric encryption algorithm) and use encryption to send it to the intended recipient.

Use RSAPKCS1KeyExchangeFormatter to create the key exchange message using the RSA algorithm.

Caution noteCaution

It is highly recommended that you not attempt to create your own key exchange method from the basic functionality provided, because many details of the operation must be performed carefully in order for the key exchange to be successful.

The following example shows how to use the RSAPKCS1KeyExchangeDeformatter class to recreate an exchange key to be used to decrypt a message.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.




March 2011

Added an example.

Customer feedback.