public SBlock()
{
_database = null;
CorMatrix.Clear();
FuncMatrix.Clear();
VarCount = 0;
}
public override void Init(List <byte> arg) // from interfaces
{
const int bias = 0; //S-Block record type: 'some args, Line1, Line2, ..., LineN'. No some args => Bias=0.
if (arg.Count >= bias)
{
if (arg.Count - bias != 0)
{
VarCount = (int)Math.Log(arg.Count - bias, 2); // Matrix: 2**n x n
}
if (VarCount == this._length)
{
FuncMatrix = WayConverter.ListToMatrix(arg.Skip(bias).ToList(), VarCount);
//Line0: y0..yn
//Line1: y0..yn
//....................
//Line2**n-1: y0..yn
if (_database == null)
{
_database = new SBlockDB();
}
var Note = _database.GetNoteFromDB(FuncMatrix);
CorMatrix = Note.CorMatrix;
DifMatrix = Note.DifMatrix;
LStates = Note.LStates;
DStates = Note.DStates;
}
else
{
throw new Exception("Argument length error");
}
}
}
public SPNetSettings(byte WordLength, byte SBoxSize, ISBlockDB DB = null)
{
this.WordLength = WordLength;
this.SBoxSize = SBoxSize;
this.SBoxCount = (byte)(this.WordLength / this.SBoxSize);
this.db = DB;
}
public virtual ISBlockDB GetSBlockDBInstance()
{
if (TheDB == null)
{
TheDB = new SBlockDB();
}
return(TheDB);
}
public virtual ISPNet GetSPNetInstance(SPNetSettings settings) //from interfaces
{
if (settings.db == null)
{
TheDB = new SBlockDB();
}
TheNet = new SPNet(settings);
return(TheNet);
}
public SBlock(List <List <bool> > Matrix, SBlockDB database)
{
_database = database;
CorMatrix.Clear();
FuncMatrix.Clear();
FuncMatrix = Matrix;
VarCount = 0;
var Note = _database.GetNoteFromDB(FuncMatrix);
CorMatrix = Note.CorMatrix;
DifMatrix = Note.DifMatrix;
}
public virtual ISBlockDB GetSBlockDBInstance(FileStream FS, bool xml = false) //from interfaces
{
var arr = new byte[FS.Length - FS.Position];
FS.Read(arr, (int)FS.Position, arr.Length);
arr = Unzip(Unzip(arr));
if (xml)
{
var xmlSerializer = new XmlSerializer(typeof(SBlockDB));
TheDB = (SBlockDB)xmlSerializer.Deserialize(FS);
}
else
{
using (var stream = new MemoryStream(arr))
{
var formatter = new BinaryFormatter();
TheDB = (SBlockDB)formatter.Deserialize(stream);
}
}
return(TheDB);
}
public SLayer(ISBlockDB db, byte block_length, byte blocks_count)
{
type = LayerType.SLayer;
Blocks = new List <Block>(blocks_count);
Blocks.AddRange(Enumerable.Range(0, blocks_count).Select(i => new SBlock(db, block_length)).ToList());
}
void SetDB(SBlockDB database)
{
_database = database;
}
