private void CipherDescriptionTest()
{
CipherDescription cd1 = new CipherDescription(
SymmetricEngines.RHX,
192, IVSizes.V128,
CipherModes.CTR,
PaddingModes.None,
BlockSizes.B128,
RoundCounts.R22);
byte[] bcd = cd1.ToBytes();
CipherDescription cd2 = new CipherDescription(bcd);
if (!cd1.Equals(cd2))
{
throw new Exception("KeyFactoryTest: CipherDescription serialization has failed!");
}
MemoryStream mcd = cd2.ToStream();
CipherDescription cd3 = new CipherDescription(mcd);
if (!cd1.Equals(cd3))
{
throw new Exception("KeyFactoryTest: CipherDescription serialization has failed!");
}
int x = cd1.GetHashCode();
if (x != cd2.GetHashCode() || x != cd3.GetHashCode())
{
throw new Exception("KeyFactoryTest: CipherDescription hash code test has failed!");
}
}
void SerializeStructTest()
{
CipherDescription cd = new CipherDescription(
SymmetricEngines.RHX,
192,
IVSizes.V128,
CipherModes.CTR,
PaddingModes.PKCS7,
BlockSizes.B128,
RoundCounts.R22,
Digests.Skein512,
64,
Digests.SHA512);
CipherDescription cy = new CipherDescription(cd.ToStream());
if (!cy.Equals(cd))
{
throw new Exception("CipherStreamTest: CipherDescriptions are not equal!");
}
cy.KeySize = 0;
if (cy.Equals(cd))
{
throw new Exception("CipherStreamTest: CipherDescriptionsare not equal!");
}
}
private void VolumeKeyTest()
{
CipherDescription cd1 = new CipherDescription(
SymmetricEngines.RHX,
192, IVSizes.V128,
CipherModes.CTR,
PaddingModes.None,
BlockSizes.B128,
RoundCounts.R22);
MemoryStream mk;
using (VolumeCipher vc = new VolumeCipher())
mk = vc.CreateKey(cd1, 100);
VolumeKey vk1 = new VolumeKey(mk);
CipherDescription cd2 = vk1.Description;
if (!cd1.Equals(cd2))
{
throw new Exception("KeyFactoryTest: VolumeKey serialization has failed!");
}
VolumeKey vk2 = new VolumeKey(mk.ToArray());
if (!vk1.Equals(vk2))
{
throw new Exception("KeyFactoryTest: VolumeKey serialization has failed!");
}
if (vk1.GetHashCode() != vk2.GetHashCode())
{
throw new Exception("KeyFactoryTest: VolumeKey hash code test has failed!");
}
}
/// <summary>
/// Creates a temporary PackageKey on disk, extracts and compares the copy
/// <para>Throws an Exception on failure</</para>
/// </summary>
public static void PackageFactoryTest()
{
string path = GetTempPath();
KeyGenerator kgen = new KeyGenerator();
// populate a KeyAuthority structure
KeyAuthority authority = new KeyAuthority(kgen.GetBytes(16), kgen.GetBytes(16), kgen.GetBytes(16), kgen.GetBytes(32), 0);
// cipher paramaters
CipherDescription desc = new CipherDescription(
SymmetricEngines.RHX, 32,
IVSizes.V128,
CipherModes.CTR,
PaddingModes.X923,
BlockSizes.B128,
RoundCounts.R14,
Digests.Keccak512,
64,
Digests.Keccak512);
// create the package key
PackageKey pkey = new PackageKey(authority, desc, 10);
// write a key file
using (PackageFactory pf = new PackageFactory(new FileStream(path, FileMode.Open, FileAccess.ReadWrite), authority))
pf.Create(pkey);
for (int i = 0; i < pkey.SubKeyCount; i++)
{
CipherDescription desc2;
KeyParams kp1;
KeyParams kp2;
byte[] ext;
byte[] id = pkey.SubKeyID[i];
// get at index
using (FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read))
kp2 = PackageKey.AtIndex(stream, i);
// read the package from id
using (PackageFactory pf = new PackageFactory(new FileStream(path, FileMode.Open, FileAccess.ReadWrite), authority))
pf.Extract(id, out desc2, out kp1);
// compare key material
if (!Evaluate.AreEqual(kp1.Key, kp2.Key))
{
throw new Exception();
}
if (!Evaluate.AreEqual(kp1.IV, kp2.IV))
{
throw new Exception();
}
if (!desc.Equals(desc2))
{
throw new Exception();
}
}
if (File.Exists(path))
{
File.Delete(path);
}
}
private void CipherKeyCreateExtractTest()
{
KeyGenerator kg = new KeyGenerator();
KeyParams kp = kg.GetKeyParams(192, 16, 64);
CipherDescription ds = new CipherDescription(
SymmetricEngines.RHX,
192,
IVSizes.V128,
CipherModes.CTR,
PaddingModes.PKCS7,
BlockSizes.B128,
RoundCounts.R22,
Digests.Skein512,
64,
Digests.SHA512);
// in/out use a pointer
MemoryStream m = new MemoryStream();
KeyFactory kf = new KeyFactory(m);
kf.Create(ds, kp);
// init new instance w/ populated stream
m.Seek(0, SeekOrigin.Begin);
KeyFactory kf2 = new KeyFactory(m);
// extract key and desc from stream
CipherKey ck;
KeyParams kp2;
kf2.Extract(out ck, out kp2);
if (!ds.Equals(ck.Description))
{
throw new Exception("KeyFactoryTest: Description extraction has failed!");
}
if (!kp.Equals(kp2))
{
throw new Exception("KeyFactoryTest: Key extraction has failed!");
}
MemoryStream m2 = new MemoryStream();
KeyFactory kf3 = new KeyFactory(m2);
// test other create func
kf3.Create(kp, SymmetricEngines.RHX, 192, IVSizes.V128, CipherModes.CTR, PaddingModes.PKCS7,
BlockSizes.B128, RoundCounts.R22, Digests.Skein512, 64, Digests.SHA512);
m2.Seek(0, SeekOrigin.Begin);
KeyFactory kf4 = new KeyFactory(m2);
kf4.Extract(out ck, out kp2);
if (!ds.Equals(ck.Description))
{
throw new Exception("KeyFactoryTest: Description extraction has failed!");
}
if (!kp.Equals(kp2))
{
throw new Exception("KeyFactoryTest: Key extraction has failed!");
}
}