public void AESFileTest2()
{
string keyString = "unicorn";
string bogusKeyString = "horsies";
string plainText = "ATTACK AT DAWN";
string fileName = "test.txt";
string encFileName = "text.enc";
string salt = AESWrapper.GenerateSaltString();
byte[] key = AESWrapper.GenerateKeyByte(keyString, salt, 20000);
byte[] invalidKey = AESWrapper.GenerateKeyByte(bogusKeyString, salt, 20000);
System.IO.File.WriteAllText(fileName, plainText);
AESWrapper.EncryptFileToFile(fileName, encFileName, key);
byte[] enc = System.IO.File.ReadAllBytes(encFileName);
Assert.AreEqual(AESWrapper.DecryptToString(enc, key), plainText);
bool decryptionFailed = false;
try
{
Assert.AreEqual(AESWrapper.DecryptToString(enc, invalidKey), plainText);
}
catch (Exception e)
{
decryptionFailed = true;
}
Assert.IsTrue(decryptionFailed);
System.IO.File.Delete(fileName);
System.IO.File.Delete(encFileName);
}
public void AESEncryption2()
{
string keyString = "unicorn";
string plainText = "ATTACK AT DAWN";
byte[] key = AESWrapper.GenerateKeyByte(keyString, AESWrapper.GenerateSaltString(), 20000);
byte[] enc = AESWrapper.EncryptToByte(plainText, key);
Assert.AreNotEqual(plainText, Encoding.UTF8.GetString(enc));
// Just making sure...
Assert.AreNotEqual(Encoding.UTF8.GetBytes(plainText), enc);
}
public void AESDecryption1()
{
string keyString = "unicorn";
string plainText = "ATTACK AT DAWN";
byte[] key = AESWrapper.GenerateKeyByte(keyString, AESWrapper.GenerateSaltString(), 20000);
byte[] enc = AESWrapper.EncryptToByte(plainText, key);
string dec = AESWrapper.DecryptToString(enc, key);
Assert.AreEqual(plainText, dec);
}
public void AESFileTest1()
{
string keyString = "unicorn";
string plainText = "ATTACK AT DAWN";
string fileName = "test.txt";
byte[] key = AESWrapper.GenerateKeyByte(keyString, AESWrapper.GenerateSaltString(), 20000);
byte[] enc = AESWrapper.EncryptToByte(plainText, key);
System.IO.File.WriteAllBytes(fileName, enc);
using (EncryptedTempFile f = new EncryptedTempFile(fileName, key))
{
string fileContents = System.IO.File.ReadAllText(f.Path);
Assert.AreEqual(fileContents, plainText);
}
System.IO.File.Delete(fileName);
}
public void AESDecryption2()
{
string keyString = "unicorn";
string plainText = "ATTACK AT DAWN";
string salt = AESWrapper.GenerateSaltString();
byte[] key = AESWrapper.GenerateKeyByte(keyString, salt, 20000);
byte[] key2 = AESWrapper.GenerateKeyByte(keyString, salt);
byte[] enc = AESWrapper.EncryptToByte(plainText, key);
bool decryptionFailed = false;
try
{
string dec = AESWrapper.DecryptToString(enc, key2);
}
catch (Exception e)
{
decryptionFailed = true;
}
Assert.IsTrue(decryptionFailed);
}
