Exemplo n.º 1
0
        /// <summary>
        /// Test the VolumeCipher class implementation
        /// </summary>
        public static void VolumeCipherTest(string InputDirectory)
        {
            string[] paths = DirectoryTools.GetFiles(InputDirectory);

            // set cipher paramaters
            CipherDescription desc = new CipherDescription(
                SymmetricEngines.RDX, 32,
                IVSizes.V128,
                CipherModes.CTR,
                PaddingModes.X923,
                BlockSizes.B128,
                RoundCounts.R14,
                Digests.Keccak512,
                64,
                Digests.Keccak512);

            // define the volume key
            VolumeKey vkey = new VolumeKey(desc, paths.Length);

            // key will be written to this stream
            MemoryStream keyStream = new MemoryStream();

            // create the volume key stream
            using (VolumeFactory vf = new VolumeFactory(keyStream))
                vf.Create(vkey);

            // encrypt the files in the directory
            using (VolumeCipher vc = new VolumeCipher(true, keyStream))
                vc.Transform(paths);

            // decrypt the files
            using (VolumeCipher vc = new VolumeCipher(false, keyStream))
                vc.Transform(paths);

            // manual inspection of files..
        }
Exemplo n.º 2
0
        /// <summary>
        /// Creates a temporary VolumeKey on disk, extracts and compares the copy
        /// <para>Throws an Exception on failure</</para>
        /// </summary>
        public static void VolumeFactoryTest()
        {
            string path = GetTempPath();

            // cipher paramaters
            CipherDescription desc = new CipherDescription(
                SymmetricEngines.RDX, 32,
                IVSizes.V128,
                CipherModes.CTR,
                PaddingModes.X923,
                BlockSizes.B128,
                RoundCounts.R14,
                Digests.Keccak512,
                64,
                Digests.Keccak512);

            // create the package key
            VolumeKey vkey = new VolumeKey(desc, 10);
            // add id's
            for (int i = 0; i < vkey.FileId.Length; i++)
                vkey.FileId[i] = i;

            // write a key file
            using (VolumeFactory vf = new VolumeFactory(path))
                vf.Create(vkey);

            for (int i = 0; i < vkey.Count; i++)
            {
                CipherDescription desc2;
                KeyParams kp1;
                KeyParams kp2;

                using (FileStream stream = new FileStream(path, FileMode.Open))
                    kp1 = VolumeKey.AtIndex(stream, i);

                int id = vkey.FileId[i];

                // read the package
                using (VolumeFactory vf = new VolumeFactory(path))
                    vf.Extract(id, out desc2, out kp2);

                // compare key material
                if (!Compare.AreEqual(kp1.Key, kp2.Key))
                    throw new Exception();
                if (!Compare.AreEqual(kp1.IV, kp2.IV))
                    throw new Exception();
                if (!desc.Equals(desc2))
                    throw new Exception();
            }
            if (File.Exists(path))
                File.Delete(path);
        }