GetPrivateKey< T >()

static T Internal.Cryptography.Pal.CertificateExtensionsCommon.GetPrivateKey< T > ( this X509Certificate2 certificate, Predicate< X509Certificate2 > matchesConstraints = null )

inlinestatic

Type Constraints

T

:

AsymmetricAlgorithm

Definition at line 43 of file CertificateExtensionsCommon.cs.

                                                                                                                                       : AsymmetricAlgorithm
    {
        if (certificate == null)
        {
            throw new ArgumentNullException("certificate");
        }
        string expectedOidValue = GetExpectedOidValue<T>();
        if (!certificate.HasPrivateKey || expectedOidValue != certificate.PublicKey.Oid.Value)
        {
            return null;
        }
        if (matchesConstraints != null && !matchesConstraints(certificate))
        {
            return null;
        }
        if (typeof(T) == typeof(RSA))
        {
            return (T)(AsymmetricAlgorithm)certificate.Pal.GetRSAPrivateKey();
        }
        if (typeof(T) == typeof(ECDsa))
        {
            return (T)(AsymmetricAlgorithm)certificate.Pal.GetECDsaPrivateKey();
        }
        if (typeof(T) == typeof(DSA))
        {
            return (T)(AsymmetricAlgorithm)certificate.Pal.GetDSAPrivateKey();
        }
        if (typeof(T) == typeof(ECDiffieHellman))
        {
            return (T)(AsymmetricAlgorithm)certificate.Pal.GetECDiffieHellmanPrivateKey();
        }
        throw new NotSupportedException(System.SR.NotSupported_KeyAlgorithm);
    }

References Internal.Cryptography.Pal.CertificateExtensionsCommon.GetExpectedOidValue< T >(), System.Security.Cryptography.X509Certificates.X509Certificate2.HasPrivateKey, System.SR.NotSupported_KeyAlgorithm, System.Security.Cryptography.X509Certificates.PublicKey.Oid, System.Security.Cryptography.X509Certificates.X509Certificate2.Pal, System.Security.Cryptography.X509Certificates.X509Certificate2.PublicKey, and System.Security.Cryptography.Oid.Value.