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X509CertificateValidator.Validate Method

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
)

Parameters

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 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

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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