public string Decode(string word, string start, string polynomial)
{
byte[] bytes = new byte[word.Length];
for (int i = 0; i < word.Length; i++)
{
bytes[i] = (byte)(word[i] - 48);
}
var lfsr = new LFSRService(start, polynomial);
string result = "";
for (int i = 0; i < bytes.Length; i++)
{
byte resulByte = lfsr.NextDecryptValue(bytes[i]);
result += (char)(resulByte + 48);
}
return(result);
}
public string Encode(string word, string start, string polynomial)
{
byte[] bytes = new byte[word.Length];
for (int i = 0; i < word.Length; i++)
{
bytes[i] = (byte)(word[i] - 48);
}
var LSFR = new LFSRService(start, polynomial);
string result = "";
foreach (var b in bytes)
{
byte resulByte = LSFR.Shift(b);
result += (char)(resulByte + 48);
}
return(result);
}
public SynchronousStreamCipherService(string start, string polynomial)
{
LFSR = new LFSRService(start, polynomial);
}