ImportParameters()

override void System.Security.Cryptography.ECDiffieHellmanCng.ImportParameters ( ECParameters parameters )

inlinevirtual

Reimplemented from System.Security.Cryptography.ECDiffieHellman.

Definition at line 476 of file ECDiffieHellmanCng.cs.

    {
        parameters.Validate();
        ThrowIfDisposed();
        ECCurve curve = parameters.Curve;
        bool flag = parameters.D != null;
        bool flag2 = parameters.Q.X != null && parameters.Q.Y != null;
        if (curve.IsPrime)
        {
            if (!flag2 && flag)
            {
                byte[] array = new byte[parameters.D.Length];
                ECParameters parameters2 = parameters;
                parameters2.Q.X = array;
                parameters2.Q.Y = array;
                byte[] primeCurveBlob = System.Security.Cryptography.ECCng.GetPrimeCurveBlob(ref parameters2, ecdh: true);
                ImportFullKeyBlob(primeCurveBlob, includePrivateParameters: true);
            }
            else
            {
                byte[] primeCurveBlob2 = System.Security.Cryptography.ECCng.GetPrimeCurveBlob(ref parameters, ecdh: true);
                ImportFullKeyBlob(primeCurveBlob2, flag);
            }
            return;
        }
        if (curve.IsNamed)
        {
            if (string.IsNullOrEmpty(curve.Oid.FriendlyName))
            {
                throw new PlatformNotSupportedException(System.SR.Format(System.SR.Cryptography_InvalidCurveOid, curve.Oid.Value));
            }
            if (!flag2 && flag)
            {
                byte[] array2 = new byte[parameters.D.Length];
                ECParameters parameters3 = parameters;
                parameters3.Q.X = array2;
                parameters3.Q.Y = array2;
                byte[] namedCurveBlob = System.Security.Cryptography.ECCng.GetNamedCurveBlob(ref parameters3, ecdh: true);
                ImportKeyBlob(namedCurveBlob, curve.Oid.FriendlyName, includePrivateParameters: true);
            }
            else
            {
                byte[] namedCurveBlob2 = System.Security.Cryptography.ECCng.GetNamedCurveBlob(ref parameters, ecdh: true);
                ImportKeyBlob(namedCurveBlob2, curve.Oid.FriendlyName, flag);
            }
            return;
        }
        throw new PlatformNotSupportedException(System.SR.Format(System.SR.Cryptography_CurveNotSupported, curve.CurveType.ToString()));
    }

References System.array, System.SR.Cryptography_CurveNotSupported, System.SR.Cryptography_InvalidCurveOid, System.Security.Cryptography.ECParameters.Curve, System.Security.Cryptography.ECCurve.CurveType, System.Security.Cryptography.ECParameters.D, System.SR.Format(), System.Security.Cryptography.Oid.FriendlyName, System.Security.Cryptography.ECCng.GetNamedCurveBlob(), System.Security.Cryptography.ECCng.GetPrimeCurveBlob(), System.Security.Cryptography.ECDiffieHellmanCng.ImportFullKeyBlob(), System.Security.Cryptography.ECDiffieHellmanCng.ImportKeyBlob(), System.Security.Cryptography.ECCurve.IsNamed, System.Security.Cryptography.ECCurve.IsPrime, System.Security.Cryptography.ECCurve.Oid, System.Security.Cryptography.ECDiffieHellmanCng.ThrowIfDisposed(), System.Security.Cryptography.ECParameters.Validate(), and System.Security.Cryptography.Oid.Value.

Referenced by Internal.Cryptography.Pal.X509Pal.DecodeECDiffieHellmanPublicKey().