public FileMutatedBKG(BasylKeyGenerator keyGen, Stream stream)
{
this.generator = keyGen;
this.cipher = new BESCipher(keyGen);
byte[] extra = new byte[100];
byte[] extra2 = new byte[64];
int amount = 65536;
while (amount != 0)
{
byte[] buffer = new byte[amount];
while (stream.Position + amount < stream.Length)
{
stream.Read(buffer, 0, amount);
cipher.EncryptRight(ref buffer);
cipher.EncryptLeft(ref extra);
cipher.EncryptRight(ref extra2);
}
cipher.EncryptLeft(ref extra2);
cipher.Shuffle(2);
amount /= 2;
}
prg = new PseudoRandomGenerator(256 * 256, "MutatedBKG", 500);
prg.ExpandKey(1);
prg.SetSeedKey(extra);
prg.SetSHA(extra2);
prg.Recycle();
stream.Close();
}
/// <summary>
/// This creates a Basyl Key Generator from the arguments..
/// </summary>
/// <param name="pass"></param>
/// <param name="initial"></param>
/// <param name="rounds"></param>
/// <param name="leftoff"></param>
/// <param name="expansion"></param>
/// <param name="additionalKey"></param>
/// <param name="sha"></param>
/// <param name="Key1Random"></param>
/// <param name="Key2Random"></param>
/// <param name="encryptedKey1"></param>
/// <param name="adaptor"></param>
public BasylKeyGenerator(string pass, int initial, int rounds, int leftoff, int expansion, string additionalKey, byte[] sha, byte[] Key1Random, byte[] Key2Random, bool encryptedKey1, BasylPseudoAdaptor adaptor)
{
if (adaptor == null)
{
adaptor = new BasylPseudoAdaptor();
}
this.sha = sha;
this.Key2Random = Key2Random;
PseudoRandomGenerator Key1 = new PseudoRandomGenerator(initial, pass, rounds, adaptor);
Key2 = new PseudoRandomGenerator(1024 * 40, pass, 400, adaptor);
//Set the left off
Key1.SetLeftoff(leftoff);
Key2.SetLeftoff(80);
//Set String Recycle Key
Key1.SetRecycleKey(additionalKey);
Key2.SetRecycleKey(additionalKey);
//Expand the Keys
Key1.ExpandKey((uint)expansion);
Key2.ExpandKey(5);
//Set SHA
Key1.SetSHA(sha);
Key2.SetSHA(sha);
//Add randomness.
Key2.SetSeedKey(Key2Random);
//Recycle Key 2
Key2.Recycle();
//Stop Recycling Key 2
//Key2.StopRecycling();
//Add Key 1 Randomness
if (encryptedKey1)
{
for (int i = 0; i < Key1Random.Length; i++)
{
Key1Random[i] ^= Key2.GetRandomByte();
}
}
this.Key1Random = Key1Random;
Key1.SetSeedKey(Key1Random);
//Recycle Key 1
Key1.Recycle();
//this.Key1 = new FilePseudoRandomGenerator(File.Open("Key1", FileMode.Create), Key1, additionalKey, Key1Random, sha, leftoff);
this.Key1 = Key1;
}
/// <summary>
/// This is mainly used by the Basyl Writer.
/// Creates a Basyl Key Generator from the arguments.
/// </summary>
/// <param name="pass"></param>
/// <param name="initial"></param>
/// <param name="rounds"></param>
/// <param name="leftoff"></param>
/// <param name="expansion"></param>
/// <param name="additionalKey"></param>
/// <param name="sha"></param>
///<param name="adaptor"></param>
public BasylKeyGenerator(string pass, int initial, int rounds, int leftoff, int expansion, string additionalKey, byte[] sha, BasylPseudoAdaptor adaptor)
{
if (adaptor == null)
{
adaptor = new BasylPseudoAdaptor();
}
RNGCryptoServiceProvider random = new RNGCryptoServiceProvider();
PseudoRandomGenerator Key1 = new PseudoRandomGenerator(initial, pass, rounds, adaptor);
Key2 = new PseudoRandomGenerator(1024 * 40, pass, 400, adaptor);
Key1Random = new byte[4];
Key2Random = new byte[4];
//Set the left off
Key1.SetLeftoff(leftoff);
Key2.SetLeftoff(80);
//Set String Recycle Key
Key1.SetRecycleKey(additionalKey);
Key2.SetRecycleKey(additionalKey);
//Expand the Keys
Key1.ExpandKey((uint)expansion);
Key2.ExpandKey(5);
//Generate Randomness
random.GetBytes(Key1Random);
random.GetBytes(Key2Random);
//Add randomness.
Key1.SetSeedKey(Key1Random);
Key2.SetSeedKey(Key2Random);
//if sha exists
if (sha != null)
{
this.sha = sha;
//Set SHA
Key1.SetSHA(sha);
Key2.SetSHA(sha);
}
//Recycle the Keys
Key1.Recycle();
Key2.Recycle();
//this.Key1 = new FilePseudoRandomGenerator(File.Open("Key1", FileMode.Create), Key1, additionalKey, Key1Random, sha, leftoff);
this.Key1 = Key1;
}
/// <summary>
/// This creates a Basyl Key Generator from the arguments..
/// </summary>
/// <param name="pass"></param>
/// <param name="initial"></param>
/// <param name="rounds"></param>
/// <param name="leftoff"></param>
/// <param name="expansion"></param>
/// <param name="additionalKey"></param>
/// <param name="sha"></param>
/// <param name="Key1Random"></param>
/// <param name="Key2Random"></param>
/// <param name="encryptedKey1"></param>
/// <param name="adaptor"></param>
public BasylKeyGenerator(string pass, int initial, int rounds, int leftoff, int expansion, string additionalKey, byte[] sha, byte[] Key1Random, byte[] Key2Random, bool encryptedKey1, BasylPseudoAdaptor adaptor)
{
if (adaptor == null) adaptor = new BasylPseudoAdaptor();
this.sha = sha;
this.Key2Random = Key2Random;
PseudoRandomGenerator Key1 = new PseudoRandomGenerator(initial, pass, rounds, adaptor);
Key2 = new PseudoRandomGenerator(1024 * 40, pass, 400, adaptor);
//Set the left off
Key1.SetLeftoff(leftoff);
Key2.SetLeftoff(80);
//Set String Recycle Key
Key1.SetRecycleKey(additionalKey);
Key2.SetRecycleKey(additionalKey);
//Expand the Keys
Key1.ExpandKey((uint)expansion);
Key2.ExpandKey(5);
//Set SHA
Key1.SetSHA(sha);
Key2.SetSHA(sha);
//Add randomness.
Key2.SetSeedKey(Key2Random);
//Recycle Key 2
Key2.Recycle();
//Stop Recycling Key 2
//Key2.StopRecycling();
//Add Key 1 Randomness
if(encryptedKey1)
for (int i = 0; i < Key1Random.Length; i++)
{
Key1Random[i] ^= Key2.GetRandomByte();
}
this.Key1Random = Key1Random;
Key1.SetSeedKey(Key1Random);
//Recycle Key 1
Key1.Recycle();
//this.Key1 = new FilePseudoRandomGenerator(File.Open("Key1", FileMode.Create), Key1, additionalKey, Key1Random, sha, leftoff);
this.Key1 = Key1;
}
/// <summary>
/// This is mainly used by the Basyl Writer.
/// Creates a Basyl Key Generator from the arguments.
/// </summary>
/// <param name="pass"></param>
/// <param name="initial"></param>
/// <param name="rounds"></param>
/// <param name="leftoff"></param>
/// <param name="expansion"></param>
/// <param name="additionalKey"></param>
/// <param name="sha"></param>
///<param name="adaptor"></param>
public BasylKeyGenerator(string pass, int initial, int rounds, int leftoff, int expansion, string additionalKey, byte[] sha, BasylPseudoAdaptor adaptor)
{
if (adaptor == null) adaptor = new BasylPseudoAdaptor();
RNGCryptoServiceProvider random = new RNGCryptoServiceProvider();
PseudoRandomGenerator Key1 = new PseudoRandomGenerator(initial, pass, rounds, adaptor);
Key2 = new PseudoRandomGenerator(1024 * 40, pass, 400, adaptor);
Key1Random = new byte[4];
Key2Random = new byte[4];
//Set the left off
Key1.SetLeftoff(leftoff);
Key2.SetLeftoff(80);
//Set String Recycle Key
Key1.SetRecycleKey(additionalKey);
Key2.SetRecycleKey(additionalKey);
//Expand the Keys
Key1.ExpandKey((uint)expansion);
Key2.ExpandKey(5);
//Generate Randomness
random.GetBytes(Key1Random);
random.GetBytes(Key2Random);
//Add randomness.
Key1.SetSeedKey(Key1Random);
Key2.SetSeedKey(Key2Random);
//if sha exists
if (sha != null)
{
this.sha = sha;
//Set SHA
Key1.SetSHA(sha);
Key2.SetSHA(sha);
}
//Recycle the Keys
Key1.Recycle();
Key2.Recycle();
//this.Key1 = new FilePseudoRandomGenerator(File.Open("Key1", FileMode.Create), Key1, additionalKey, Key1Random, sha, leftoff);
this.Key1 = Key1;
}