X509AsymmetricSecurityKey.GetHashAlgorithmForSignature(String) Method

Reference

Definition

Namespace:: System.IdentityModel.Tokens

Assembly:: System.IdentityModel.dll

Source:: X509AsymmetricSecurityKey.cs

Source:: X509AsymmetricSecurityKey.cs

Important

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Gets a cryptographic algorithm that generates a hash for a digital signature.

public:
 override System::Security::Cryptography::HashAlgorithm ^ GetHashAlgorithmForSignature(System::String ^ algorithm);

public override System.Security.Cryptography.HashAlgorithm GetHashAlgorithmForSignature (string algorithm);

override this.GetHashAlgorithmForSignature : string -> System.Security.Cryptography.HashAlgorithm

Public Overrides Function GetHashAlgorithmForSignature (algorithm As String) As HashAlgorithm

Parameters

algorithm: String

The hash algorithm.

Returns

HashAlgorithm

A HashAlgorithm that generates hashes for digital signatures.

Exceptions

NotSupportedException

algorithm is not supported. The supported algorithms are XmlDsigDSAUrl, XmlDsigRSASHA1Url, and RsaSha256Signature.

Remarks

Use the XmlDsigDSAUrl, XmlDsigRSASHA1Url or RsaSha256Signature fields to specify the algorithm parameter.

Due to collision problems with SHA1, Microsoft recommends a security model based on SHA256 or better.

Applies to

Jaa