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X509AsymmetricSecurityKey.DecryptKey(String, Byte[]) Method

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Definition

Namespace:
System.IdentityModel.Tokens
Assembly:
System.IdentityModel.dll
Source:
X509AsymmetricSecurityKey.cs
Source:
X509AsymmetricSecurityKey.cs

Decrypts the specified encrypted key using the specified cryptographic algorithm.

public:
 override cli::array <System::Byte> ^ DecryptKey(System::String ^ algorithm, cli::array <System::Byte> ^ keyData);
public override byte[] DecryptKey (string algorithm, byte[] keyData);
override this.DecryptKey : string * byte[] -> byte[]
Public Overrides Function DecryptKey (algorithm As String, keyData As Byte()) As Byte()

Parameters

algorithm
String

The cryptographic algorithm to decrypt the key.

keyData
Byte[]

An array of Byte that contains the encrypted key.

Returns

Byte[]

An array of Byte that contains the decrypted key.

Exceptions

NotSupportedException

The X.509 certificate specified in the constructor does not have a private key.

-or-

The X.509 certificate has a private key, but it was not generated using the RSA algorithm.

-or-

The X.509 certificate has a private key, it was generated using the RSA algorithm, but the KeyExchangeAlgorithm property is null.

-or-

The algorithm parameter is not supported. The supported algorithms are XmlEncRSA15Url and XmlEncRSAOAEPUrl.

Remarks

Use the XmlEncRSA15Url or XmlEncRSAOAEPUrl fields to specify the algorithm.

Applies to