public new bool Test()
{
bool enc = false, dec = false, dec2 = false;
byte[] ciphertext = null;
byte[] plaintext = null;
using (Streamcipher cipher = new Streamcipher(Cipher, Mode)) {
cipher.SetKey(_iv ,_key);
ciphertext = new byte[_plaintext.Length];
byte[] c = new byte[64];
byte[] p = new byte[64];
/* test byte-for-byte updating */
for (int s = 0; s < _plaintext.Length; ++s) {
System.Buffer.BlockCopy(_plaintext, s, p, 0, 1);
cipher.Update(p, c, 1);
System.Buffer.BlockCopy(c, 0, ciphertext, s, 1);
}
enc = CipherMatch(ciphertext);
cipher.SetKey(_iv ,_key);
plaintext = new byte[_ciphertext.Length];
cipher.Update(_ciphertext, plaintext);
dec = PlainMatch(plaintext);
/* test mix-sized block updating */
if (_ciphertext.Length > 48) {
cipher.SetKey(_iv ,_key);
System.Buffer.BlockCopy(_ciphertext, 0, c, 0, 24);
cipher.Update(c, p, 24);
System.Buffer.BlockCopy(p, 0, plaintext, 0, 24);
System.Buffer.BlockCopy(_ciphertext, 24, c, 0, 6);
cipher.Update(c, p, 6);
System.Buffer.BlockCopy(p, 0, plaintext, 24, 6);
System.Buffer.BlockCopy(_ciphertext, 30, c, 0, 5);
cipher.Update(c, p, 5);
System.Buffer.BlockCopy(p, 0, plaintext, 30, 5);
System.Buffer.BlockCopy(_ciphertext, 35, c, 0, 12);
cipher.Update(c, p, 12);
System.Buffer.BlockCopy(p, 0, plaintext, 35, 12);
int remaining = _ciphertext.Length - 6 - 24 - 5 - 12;
for (int s = 0; s < remaining; ++s) {
System.Buffer.BlockCopy(_ciphertext, s+6+24+5+12, c, 0, 1);
cipher.Update(c, p, 1);
System.Buffer.BlockCopy(p, 0, plaintext, s+6+24+5+12, 1);
}
dec2 = PlainMatch(plaintext);
}
else dec2 = true;
}
return enc && dec && dec2;
}
public bool Test()
{
bool enc = false, dec = false;
byte[] ciphertext = null;
byte[] plaintext = null;
using (Streamcipher cipher = new Streamcipher(Cipher, _key.Length*8)) {
cipher.SetKey(_key, null);
ciphertext = new byte[_plaintext.Length];
cipher.Update(_plaintext, ciphertext);
enc = CipherMatch(ciphertext);
cipher.SetKey(_key, null);
plaintext = new byte[_ciphertext.Length];
cipher.Update(_ciphertext, plaintext);
dec = PlainMatch(plaintext);
}
return enc && dec;
}
public double Run()
{
PerfWatch t = new PerfWatch();
byte[] key = new byte[(keybits + 7) / 8];
byte[] input = new byte[megabytes * 1048576];
byte[] output = new byte[megabytes * 1048576];
t.Start();
t.Stop();
using (Streamcipher sc = new Streamcipher(cipherkind, keybits)) {
sc.SetKey(key, null);
sc.Update(input, output);
GC.Collect();
t.Start();
sc.Update(input, output);
t.Stop();
}
GC.Collect();
return megabytes / t.seconds();
}
