Class RsaXmlKeyEncryptionExtension

Supports the RSA XML key encryption algorithms.

Inheritance

System.Object

RsaXmlKeyEncryptionExtension

Implements

IXmlKeyEncryptionExtension

IXmlEncryptionExtension

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ComponentSpace.Saml2.XmlSecurity.Encryption

Assembly: ComponentSpace.Saml2.dll

Syntax

public class RsaXmlKeyEncryptionExtension : IXmlKeyEncryptionExtension, IXmlEncryptionExtension

Remarks

The supported key encryption algorithms are:

• http://www.w3.org/2001/04/xmlenc#rsa-1_5

Methods

DecryptSymmetricKey(EncryptedKey, AsymmetricAlgorithm, String)

Decrypts the symmetric key using the specified asymmetric key and key encryption algorithm

Declaration

public byte[] DecryptSymmetricKey(EncryptedKey encryptedKey, AsymmetricAlgorithm keyDecryptingKey, string keyEncryptionAlgorithm)

Parameters

Type	Name	Description
System.Security.Cryptography.Xml.EncryptedKey	encryptedKey	The encrypted symmetric key.
System.Security.Cryptography.AsymmetricAlgorithm	keyDecryptingKey	The asymmetric key decrypting key.
System.String	keyEncryptionAlgorithm	The key encryption algorithm.

Returns

Type	Description
System.Byte[]	The decrypted symmetric key.

EncryptSymmetricKey(Byte[], AsymmetricAlgorithm, String, String, String)

Encrypts the symmetric key using the specified asymmetric key and key encryption algorithm.

Declaration

public byte[] EncryptSymmetricKey(byte[] symmetricKey, AsymmetricAlgorithm keyEncryptingKey, string keyEncryptionAlgorithm, string digestMethod, string maskGenerationFunction)

Parameters

Type	Name	Description
System.Byte[]	symmetricKey	The symmetric key.
System.Security.Cryptography.AsymmetricAlgorithm	keyEncryptingKey	The asymmetric key encrypting key.
System.String	keyEncryptionAlgorithm	The key encryption algorithm.
System.String	digestMethod	The digest method.
System.String	maskGenerationFunction	The mask generation function.

Returns

Type	Description
System.Byte[]	The encrypted symmetric key.

IsSupported(String)

Indicates whether the encryption algorithm is supported by this extension.

Declaration

public bool IsSupported(string encryptionAlgorithm)

Parameters

Type	Name	Description
System.String	encryptionAlgorithm	The encryption algorithm.

Returns

Type	Description
System.Boolean	true if the encryption algorithm is supported; otherwise false.

Update(XmlElement, String, String, String)

Updates the encrypted data XML, if required.

Declaration

public void Update(XmlElement encryptedDataElement, string keyEncryptionAlgorithm, string digestMethod, string maskGenerationFunction)

Parameters

Type	Name	Description
System.Xml.XmlElement	encryptedDataElement	The encrypted data XML.
System.String	keyEncryptionAlgorithm	The key encryption algorithm.
System.String	digestMethod	The digest method.
System.String	maskGenerationFunction	The mask generation function.

Implements

IXmlKeyEncryptionExtension

IXmlEncryptionExtension