SignedXml.GetPublicKey Method

Definition

Namespace:

System.Security.Cryptography.Xml

Assembly:

System.Security.Cryptography.Xml.dll

Source:

SignedXml.cs

Returns the public key of a signature.

protected:
 virtual System::Security::Cryptography::AsymmetricAlgorithm ^ GetPublicKey();

protected virtual System.Security.Cryptography.AsymmetricAlgorithm? GetPublicKey ();

abstract member GetPublicKey : unit -> System.Security.Cryptography.AsymmetricAlgorithm
override this.GetPublicKey : unit -> System.Security.Cryptography.AsymmetricAlgorithm

Protected Overridable Function GetPublicKey () As AsymmetricAlgorithm

Returns

AsymmetricAlgorithm

An AsymmetricAlgorithm object that contains the public key of the signature, or null if the key cannot be found.

Exceptions

CryptographicException

The KeyInfo property is null.

Remarks

The GetPublicKey method returns an AsymmetricAlgorithm object that contains a public key that can be used to verify an XML digital signature.

The key must be either a DSA or an RSA key.