public void ProtectedKey_ProtectKeyWithSpecificLength()
{
var originalKey = KeyGeneration.GenerateRandomKey(20);
var originalCopy = new byte[32];
Array.Copy(originalKey, originalCopy, 20);
ProtectedMemory.Protect(originalCopy, MemoryProtectionScope.SameProcess);
CollectionAssert.AreNotEqual(originalKey, originalCopy);
var pk = InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(originalCopy, 20, MemoryProtectionScope.SameProcess);
CollectionAssert.AreEqual(originalKey, pk.GetCopyOfKey(), "The unprotected plain key and the original key don't match");
}
public void ProtectedKey_ProtectKey_SameLogon()
{
var originalKey = KeyGeneration.GenerateRandomKey(16);
var originalCopy = new byte[16];
Array.Copy(originalKey, originalCopy, 16);
CollectionAssert.AreEqual(originalKey, originalCopy);
ProtectedMemory.Protect(originalCopy, MemoryProtectionScope.SameLogon);
CollectionAssert.AreNotEqual(originalKey, originalCopy);
var pk = InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(originalCopy, 16, MemoryProtectionScope.SameLogon);
CollectionAssert.AreEqual(originalKey, pk.GetCopyOfKey());
}
public void ProtectedKey_MultipleUse()
{
var originalKey = KeyGeneration.GenerateRandomKey(16);
var originalCopy = new byte[16];
Array.Copy(originalKey, originalCopy, 16);
CollectionAssert.AreEqual(originalKey, originalCopy);
ProtectedMemory.Protect(originalCopy, MemoryProtectionScope.SameProcess);
CollectionAssert.AreNotEqual(originalKey, originalCopy);
var pk = InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(originalCopy, 16, MemoryProtectionScope.SameProcess);
// The key is protected and un-protected several times.
// Make sure that the key can be used multiple times.
for (int i = 0; i < 10; i++)
{
CollectionAssert.AreEqual(originalKey, pk.GetCopyOfKey());
}
}
public void ProtectedKey_ProtectKeyNull()
{
new Action(() => InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(null, 16, MemoryProtectionScope.SameProcess))
.ShouldThrow <ArgumentNullException>()
.WithMessage("Value cannot be null.\r\nParameter name: preProtectedKey");
}
public void ProtectedKey_ProtectKeyZeroLength()
{
new Action(() => InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(OtpCalculationTests.RfcTestKey, 0, MemoryProtectionScope.SameProcess))
.ShouldThrow <ArgumentException>()
.WithMessage("The key must not be empty");
}
public void ProtectedKey_ProtectKeyEmpty()
{
new Action(() => InMemoryKey.CreateProtectedKeyFromPreProtectedMemory(new byte[] { }, 16, MemoryProtectionScope.SameProcess))
.ShouldThrow <ArgumentException>()
.WithMessage("The key must not be empty");
}