. Net md5 Encryption

1. UsingSystem;
2. UsingSystem. Data;
3. UsingSystem. Configuration;
4. UsingSystem. Collections;
5. UsingSystem. Web;
6. UsingSystem. Web. Security;
7. UsingSystem. Web. UI;
8. UsingSystem. Web. UI. WebControls;
9. UsingSystem. Web. UI. WebControls. WebParts;
10. UsingSystem. Web. UI. HtmlControls;
11. UsingOA online. BLL;
12. UsingSystem. Diagnostics;
13. UsingSystem. Text;
14. UsingSystem. Security. Cryptography;
15. UsingSystem. IO;
16. // 1. encrypted to a 32-bit hexadecimal string
17. Protected StringHashMD5_String (StringStr)
18. {
19. ReturnFormsAuthentication. HashPasswordForStoringInConfigFile (str, "MD5"). ToLower ();
20. }
22. // 2. Same as above, increase the offset
24. Public StringGetMD5 (StringSDataIn,StringMove)
25. {
26. System. Security. Cryptography. MD5CryptoServiceProvider md5 =NewSystem. Security. Cryptography. MD5CryptoServiceProvider ();
27. Byte[] Byt, bytHash;
28. Byt = System. Text. Encoding. UTF8.GetBytes (move + sDataIn );
29. BytHash = md5.ComputeHash (byt );
30. Md5.Clear ();
31. StringSTemp = "";
32. For(IntI = 0; I <bytHash. Length; I ++)
33. {
34. STemp + = bytHash [I]. ToString ("x"). PadLeft (2, '0 ');
35. }
36. ReturnSTemp;
37. }
39. // 3. encode the string into an ASCII array and then encrypt it with MD5.

Using System; using System. data; using System. configuration; using System. collections; using System. web; using System. web. security; using System. web. UI; using System. web. UI. webControls; using System. web. UI. webControls. webParts; using System. web. UI. htmlControls; using OAOnline. BLL; using System. diagnostics; using System. text; using System. security. cryptography; using System. IO; // 1. encrypted to a 32-bit hexadecimal string protected string HashMD5_String (string str) {return FormsAuthentication. hashPasswordForStoringInConfigFile (str, "MD5 "). toLower ();} // 2. Same as above, add the offset public string GetMD5 (string sDataIn, string move) {System. security. cryptography. MD5CryptoServiceProvider md5 = new System. security. cryptography. MD5CryptoServiceProvider (); byte [] byt, bytHash; byt = System. text. encoding. UTF8.GetBytes (move + sDataIn); bytHash = md5.ComputeHash (byt); md5.Clear (); string sTemp = ""; for (int I = 0; I <bytHash. length; I ++) {sTemp + = bytHash [I]. toString ("x "). padLeft (2, '0');} return sTemp;} // 3. encode the string into an ASCII array and then encrypt it with MD5.

C # code

1. Public static string MD5Encrypt (string strEnc)
2. {
3. String str = "encryption failed! ";
4. Try
5. {
7. System. Security. Cryptography. MD5CryptoServiceProvider MD5 = new System. Security. Cryptography. MD5CryptoServiceProvider ();
8. Str = ASCIIEncoding. ASCII. GetString (MD5.ComputeHash (ASCIIEncoding. ASCII. GetBytes (strEnc )));
9. Return str;
10. }
11. Catch (System. Exception ex)
12. {
13. Throw (ex );
14. }
15. }