public byte[] Decrypt(byte[] en)
{
int[] scr = new int[en.Length];
for (int i = 0; i < scr.Length; i++)
{
scr[i] = i;
}
for (int a = 0; a < scr.Length; ++a)
{
int b = cr.Next(0, scr.Length);
if (b <= a)
{
continue;
}
int ch = scr[a];
scr[a] = scr[b];
scr[b] = ch;
}
byte[] retv = new byte[en.Length];
for (int a = 0; a < en.Length; ++a)
{
retv[scr[a]] = en[a];
}
cr = new LegacyCrossRandom();
return(retv);
}
public LegacyEnigmaEncryptor(int pin)
{
enigmaPin = pin;
for (int i = 0; i < originalByteMap.Length; i++)
{
originalByteMap[i] = (byte)i;
}
instancePin = pin;
cr = new LegacyCrossRandom();
}
public LegacyAutokryptexEncryptor(String password, int MaxEncryptors = 6, int seed = 179426447)
{
cr = new LegacyCrossRandom();
instancePassword = cr.CramString(password, 256);
int[] args = new int[256];
for (int i = 0; i < args.Length; i++)
{
args[i] = instancePassword[i] ^ cr.Next(Int32.MaxValue);
}
Init(args, MaxEncryptors);
}
public void UseInstanceSecret(String secret)
{
var secretBytes = CramStringPlus(secret, 16);
LegacyCrossRandom cr = new LegacyCrossRandom();
for (int i = 0; i < secretBytes.Length; i++)
{
if (i <= InstanceSecret.Length)
{
InstanceSecret[i] = Primes[secretBytes[i] % Primes.Length] + cr.Next(Primes.Length ^ secretBytes[i]);
}
}
}
public byte[] Encrypt(byte[] en)
{
// Brief: Generate enigma strip
// set value of character a to value of character b at
// position a of the enigma strip.
// regenerate the strip for each character.
this.enigmaStrip = this.GenerateEnigmaStrip(originalByteMap);
for (int a = 0; a < en.Length; ++a)
{
en[a] = this.enigmaStrip[en[a]];
this.enigmaStrip = this.GenerateEnigmaStrip(this.enigmaStrip);
}
cr = new LegacyCrossRandom();
return(en);
}
public byte[] CramString(String input, int digitCount)
{
LegacyCrossRandom cr = this;
byte[] workset = Fi.StandardEncoding.GetBytes(input);
while (workset.Count() > digitCount)
{
byte ch = workset[0];
workset = workset.Skip(1).ToArray();
workset[cr.Next(workset.Length)] = (byte)(workset[cr.Next(workset.Length)] ^ ch);
}
while (workset.Count() < digitCount)
{
var ws = new byte[workset.Count() + 1];
workset.CopyTo(ws, 0);
ws[ws.Count() - 1] = (byte)cr.Next(byte.MaxValue);
workset = ws;
}
return(workset);
}
public byte[] Decrypt(byte[] en)
{
// Brief: Generate enigma strip
// set value of character a to index of character b at
// position a of the original byte strip.
// regenerate the strip for each character.
this.enigmaStrip = this.GenerateEnigmaStrip(originalByteMap);
for (int a = 0; a < en.Length; ++a)
{
var index = -1;
for (int x = 0; x < enigmaStrip.Length; x++)
{
if (enigmaStrip[x] == en[a])
{
index = x;
break;
}
}
en[a] = originalByteMap[index];
this.enigmaStrip = this.GenerateEnigmaStrip(this.enigmaStrip);
}
cr = new LegacyCrossRandom();
return(en);
}
public LegacyBinaryScramble(int pin)
{
instancePin = pin;
cr = new LegacyCrossRandom();
}