Export() public method

public Export ( ) : Windows.Storage.Streams.IBuffer
return Windows.Storage.Streams.IBuffer
        public static AsymmetricCipherKeyPair GetRsaKeyPair(CryptographicKey key)
        {
            var privateKeyBuffer = key.Export(CryptographicPrivateKeyBlobType.Pkcs1RsaPrivateKey);

            byte[] privateKeyBytes;
            CryptographicBuffer.CopyToByteArray(privateKeyBuffer, out privateKeyBytes);

            var asn1 = (Asn1Sequence) Asn1Object.FromByteArray(privateKeyBytes);
            var rsa = new RsaPrivateKeyStructure(asn1);

            var pubKey = new RsaKeyParameters(false, rsa.Modulus, rsa.PublicExponent);
            var privKey = new RsaPrivateCrtKeyParameters(
                rsa.Modulus, rsa.PublicExponent, rsa.PrivateExponent,
                rsa.Prime1, rsa.Prime2, rsa.Exponent1, rsa.Exponent2,
                rsa.Coefficient);

            return new AsymmetricCipherKeyPair(pubKey, privKey);
        }
        private void AsymmetricImportExport(CryptographicKey keyPair)
        {
            String algName = AlgorithmNames.SelectionBoxItem.ToString();
            AsymmetricKeyAlgorithmProvider Algorithm = AsymmetricKeyAlgorithmProvider.OpenAlgorithm(algName);

            // Export the public key.
            IBuffer blobOfPublicKey = keyPair.ExportPublicKey();
            IBuffer blobOfKeyPair = keyPair.Export();
            SignVerifyText.Text += "    Key pair was successfully exported.\n";

            // Import the public key.
            CryptographicKey keyPublic = Algorithm.ImportPublicKey(blobOfPublicKey);

            // Check the key size.
            if (keyPublic.KeySize != keyPair.KeySize)
            {
                SignVerifyText.Text += "ImportPublicKey failed!  The imported key's size did not match the original's!";
                return;
            }
            SignVerifyText.Text += "    Public key was successfully imported.\n";

            // Import the key pair.
            keyPair = Algorithm.ImportKeyPair(blobOfKeyPair);

            // Check the key size.
            if (keyPublic.KeySize != keyPair.KeySize)
            {
                SignVerifyText.Text += "ImportKeyPair failed!  The imported key's size did not match the original's!";
                return;
            }
            SignVerifyText.Text += "    Key pair was successfully imported.\n";

        }