// Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
private static void MDTimeTrial()
{
Console.WriteLine("MD5 time trial. Digesting {0} {1}-byte blocks ...", TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
/* Initialize block */
byte[] block = new byte[TEST_BLOCK_LEN];
for (int i = 0; i < TEST_BLOCK_LEN; i++)
{
block[i] = (byte)(i & 0xff);
}
/* Start timer */
DateTime startTime = DateTime.Now;
/* Digest blocks */
MD5 md5 = new MD5();
for (int i = 0; i < TEST_BLOCK_COUNT; i++)
{
md5.Update(block, TEST_BLOCK_LEN);
}
byte[] digest = md5.Final();
/* Stop timer */
DateTime endTime = DateTime.Now;
TimeSpan time = endTime - startTime;
Console.WriteLine("done");
Console.Write("Digest = ");
MDPrint(digest);
Console.WriteLine();
Console.WriteLine("Time = {0} seconds\n", time.TotalSeconds);
Console.WriteLine("Speed = {0} bytes/second", (long)TEST_BLOCK_LEN * (long)TEST_BLOCK_COUNT / time.TotalSeconds);
}
// Digests a string and prints the result.
private static void MDString(string s)
{
System.Text.Encoding encoding = System.Text.Encoding.GetEncoding("iso-8859-1");
if (encoding == null)
{
throw new SystemException("Cannot get iso-8859-1 encoding.");
}
byte[] bytes = encoding.GetBytes(s);
MD5 md5 = new MD5();
md5.Update(bytes);
byte[] digest = md5.Final();
Console.Write("MD5 (\"{0}\") = ", s);
MDPrint(digest);
Console.WriteLine();
}
public byte[] CreateKey()
{
var name_bytes = DatOpener.ToLowerAscii(Name);
int name_length = name_bytes.Length;
var md5 = new MD5();
Array.Reverse(name_bytes);
var key = new byte[1024];
int key_pos = 0;
for (int i = 0; i < 64; ++i)
{
int name_pos = i % name_length;
md5.Update(name_bytes, name_pos, name_length - name_pos);
md5.Final();
Buffer.BlockCopy(md5.State, 0, key, key_pos, 16);
key_pos += 16;
}
return(key);
}
internal static string Digest(string username, string password, string peername)
{
Encoding encoding = Encoding.GetEncoding("iso-8859-1");
if (encoding == null)
{
throw new SystemException("Cannot get iso-8859-1 encoding.");
}
byte[] usernameBytes = encoding.GetBytes(username == null ? "" : username);
byte[] passwordBytes = encoding.GetBytes(password == null ? "" : password);
byte[] peernameBytes = encoding.GetBytes(peername == null ? "" : peername);
MD5 md5 = new MD5();
md5.Update(peernameBytes);
md5.Update(usernameBytes);
md5.Update(passwordBytes);
byte[] digest = md5.Final();
return(encoding.GetString(digest));
}
private static void XX_Encrypt(byte[] thing, int offset, byte[] username)
{
lock (thePass)
{
if (thePass[0] == 'x')
{
String s1 = "7rLrT7iG3kWWLuSDYdS/KIXO8JF86h12KyCTG1Mh0qxWdSZ6ezHRST0UuGl6xkbMgsXj4+eZbXNyYijRmoaaJm+hQCWSOW+0OHGCnYWB4upxi0Fogdu0gb+q4VFzyUFknEpZPg==";
String s2 = "PCuJhpWX5eApg2mRs0bvSIdfwSDUa0kjiSdd76ORgXYyhtLbHm4Uq6afLbfROLi5pDpjKVS9Vr9aZo+F3IpyZ6Zn6m/Xf1PRtq3jdseJht4VSduxHrpocKVdRh3LixXKr6Ue6A==";
byte[] pass1 = Encoding.ASCII.GetBytes(s1);
byte[] pass2 = Encoding.ASCII.GetBytes(s2);
for (int inx = 0; inx < pass2.Length; inx++)
{
thePass[inx] = (byte)(pass1[inx] ^ pass2[inx]);
if (thePass[inx] == 0)
{
thePass[inx] = pass1[inx];
}
}
thePass[136] = 0;
}
}
MD5 md5 = new MD5();
if (username != null && username[0] != 0)
{
md5.Update(username);
}
md5.Update(thePass);
byte[] md5Bytes = md5.Final();
for (int thingIndex = offset, md5Index = 0; thingIndex < thing.Length; thingIndex++, md5Index++)
{
thing[thingIndex] = (byte)(thing[thingIndex] ^ md5Bytes[md5Index % md5Bytes.Length]);
}
}
// Measures the time to digest TEST_BLOCK_COUNT TEST_BLOCK_LEN-byte blocks.
private static void MDTimeTrial ()
{
Console.WriteLine ("MD5 time trial. Digesting {0} {1}-byte blocks ...", TEST_BLOCK_LEN, TEST_BLOCK_COUNT);
/* Initialize block */
byte[] block = new byte[TEST_BLOCK_LEN];
for (int i = 0; i < TEST_BLOCK_LEN; i++)
block[i] = (byte) (i & 0xff);
/* Start timer */
DateTime startTime = DateTime.Now;
/* Digest blocks */
MD5 md5 = new MD5 ();
for (int i = 0; i < TEST_BLOCK_COUNT; i++)
md5.Update (block, TEST_BLOCK_LEN);
byte[] digest = md5.Final ();
/* Stop timer */
DateTime endTime = DateTime.Now;
TimeSpan time = endTime - startTime;
Console.WriteLine ("done");
Console.Write ("Digest = ");
MDPrint (digest);
Console.WriteLine ();
Console.WriteLine ("Time = {0} seconds\n", time.TotalSeconds);
Console.WriteLine ("Speed = {0} bytes/second", (long) TEST_BLOCK_LEN * (long) TEST_BLOCK_COUNT / time.TotalSeconds);
}
// Digests a string and prints the result.
private static void MDString (string s)
{
System.Text.Encoding encoding = System.Text.Encoding.GetEncoding ("iso-8859-1");
if (encoding == null)
throw new SystemException ("Cannot get iso-8859-1 encoding.");
byte[] bytes = encoding.GetBytes (s);
MD5 md5 = new MD5 ();
md5.Update (bytes);
byte[] digest = md5.Final ();
Console.Write ("MD5 (\"{0}\") = ", s);
MDPrint (digest);
Console.WriteLine ();
}
