X509CertificateValidator.Validate Method (X509Certificate2)


When overridden in a derived class, validates the X.509 certificate.

Namespace:   System.IdentityModel.Selectors
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

public abstract void Validate(
	X509Certificate2 certificate


Type: System.Security.Cryptography.X509Certificates.X509Certificate2

The X509Certificate2 that represents the X.509 certificate to validate.

Override the Validate method to specify how the X.509 certificate is validated.

When the X.509 certificate that is passed into the certificate parameter does not pass validation, throw the T:System.IdentityModel.Tokens.SecurityTokenvalidationException.

public override void Validate(X509Certificate2 certificate)
    // Check that there is a certificate.
    if (certificate == null)
        throw new ArgumentNullException("certificate");

    // Check that the certificate issuer matches the configured issuer
    if (allowedIssuerName != certificate.IssuerName.Name)
        throw new SecurityTokenValidationException
          ("Certificate was not issued by a trusted issuer");

.NET Framework
Available since 3.0
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