static uint[] Run(IBlockCipher algo, byte[] key, byte[] iv)
{
IBlockCipher cipher = new Org.BouncyCastle.Crypto.Modes.CbcBlockCipher(algo);
ParametersWithIV param = new ParametersWithIV(new KeyParameter(key), iv);
Stopwatch sw = new Stopwatch();
uint[] result = new uint[2];
sw.Reset(); sw.Start();
for (int i = 0; i < LOOP; i++)
{
cipher.Init(true, param);
cipher.Reset();
}
sw.Stop();
result[0] = (uint)(LOOP / sw.Elapsed.TotalSeconds);
sw.Reset(); sw.Start();
for (int i = 0; i < LOOP; i++)
{
cipher.Init(false, param);
cipher.Reset();
}
sw.Stop();
result[1] = (uint)(LOOP / sw.Elapsed.TotalSeconds);
return(result);
}
static IBlockCipher Setup(IBlockCipher algo, string mode, bool encryption, byte[] key, byte[] iv)
{
if (mode == "ECB")
{
algo.Init(encryption, new KeyParameter(key));
return(algo);
}
IBlockCipher cipher = null;
if (mode == "CBC")
{
cipher = new Org.BouncyCastle.Crypto.Modes.CbcBlockCipher(algo);
}
if (mode == "CFB")
{
cipher = new Org.BouncyCastle.Crypto.Modes.CfbBlockCipher(algo, iv.Length << 3);
}
if (mode == "OFB")
{
cipher = new Org.BouncyCastle.Crypto.Modes.OfbBlockCipher(algo, iv.Length);
}
if (cipher != null)
{
cipher.Init(encryption, new ParametersWithIV(new KeyParameter(key), iv));
return(cipher);
}
throw new ArgumentException();
}
static uint[] Run (IBlockCipher algo, byte[] key, byte[] iv)
{
IBlockCipher cipher = new Org.BouncyCastle.Crypto.Modes.CbcBlockCipher (algo);
ParametersWithIV param = new ParametersWithIV (new KeyParameter (key), iv);
Stopwatch sw = new Stopwatch ();
uint[] result = new uint[2];
sw.Reset (); sw.Start ();
for (int i = 0; i < LOOP; i++) {
cipher.Init (true, param);
cipher.Reset ();
}
sw.Stop ();
result[0] = (uint)(LOOP / sw.Elapsed.TotalSeconds);
sw.Reset (); sw.Start ();
for (int i = 0; i < LOOP; i++) {
cipher.Init (false, param);
cipher.Reset ();
}
sw.Stop ();
result[1] = (uint)(LOOP / sw.Elapsed.TotalSeconds);
return result;
}
static IBlockCipher Setup (IBlockCipher algo, string mode, bool encryption, byte[] key, byte[] iv)
{
if (mode == "ECB") {
algo.Init (encryption, new KeyParameter (key));
return algo;
}
IBlockCipher cipher = null;
if (mode == "CBC") cipher = new Org.BouncyCastle.Crypto.Modes.CbcBlockCipher (algo);
if (mode == "CFB") cipher = new Org.BouncyCastle.Crypto.Modes.CfbBlockCipher (algo, iv.Length << 3);
if (mode == "OFB") cipher = new Org.BouncyCastle.Crypto.Modes.OfbBlockCipher (algo, iv.Length);
if (cipher != null) {
cipher.Init (encryption, new ParametersWithIV (new KeyParameter (key), iv));
return cipher;
}
throw new ArgumentException ();
}
