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MD5 Digest routine

Posted on 2004-09-24
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Medium Priority
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Last Modified: 2010-04-15
500 points to the guru that will help me finish that in time and provide me a routine that will take a string as input and will return me the 32 chars MD5 Digest generated by your routine (method or function)

Thanks a lot in advance !
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Question by:pmengal
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4 Comments
 
LVL 7

Expert Comment

by:NipNFriar_Tuck
ID: 12143647
If I understand what you are asking for this should do the trick...

using System.Security.Cryptography


public string EncryptString( string str ) {
   string rStr
   try {
     
      byte[] data = Encoding.Default.GetBytes(str);

      // This is one implementation of the abstract class MD5.
      MD5 md5 = new MD5CryptoServiceProvider();

      byte[] result = md5.ComputeHash(data);

      char[] chars = Encoding.Default.GetChars(result, 0, result.Length);
      rStr = new string(chars);

   } catch ( Exception ex ) {
      // do something with the exception!
   }
   return rStr;
}
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LVL 18

Expert Comment

by:armoghan
ID: 12143856
hashLength = 32;
                    data = Encoding.Default.GetBytes(text);
                    MD5 md5 = new MD5CryptoServiceProvider();
                    enc = md5.TransformFinalBlock(data, 0, data.Length);
                    foreach(byte b in md5.Hash)
                        hash += Convert.ToString(b, 16).ToUpper().PadLeft(2, '0');
                    md5.Clear();
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Author Comment

by:pmengal
ID: 12144093
hashLength = 32;  is never used ? Normal ?

            public string GetMD5Digest(string input)
            {
                  int hashLength = 32;
                  string hash;
                  byte[] data = Encoding.Default.GetBytes(input);
                  MD5 md5 = new MD5CryptoServiceProvider();
                  byte[] enc = md5.TransformFinalBlock(data, 0, data.Length);
                  foreach(byte b in md5.Hash)
                        hash += Convert.ToString(b, 16).ToUpper().PadLeft(2, '0');
                  md5.Clear();
                  return hash;
            }
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LVL 18

Accepted Solution

by:
armoghan earned 2000 total points
ID: 12144400
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