mcs/class/corlib/System.Security.Cryptography/SHA1.cs

   1 //\r
   2 // System.Security.Cryptography SHA1 Class implementation\r
   3 //\r
   4 // Authors:\r
   5 //   Matthew S. Ford (Matthew.S.Ford@Rose-Hulman.Edu)\r
   6 //\r
   7 // Copyright 2001 by Matthew S. Ford.\r
   8 //\r
   9 \r
  10 \r
  11 using System.Security.Cryptography;\r
  12 \r
  13 namespace System.Security.Cryptography {\r
  14         \r
  15         /// <summary>\r
  16         /// Common base class for all derived SHA1 iplementations.\r
  17         /// </summary>\r
  18         public abstract class SHA1 : HashAlgorithm {\r
  19                 /// <summary>\r
  20                 /// Called from constructor of derived class.\r
  21                 /// </summary>\r
  22                 protected SHA1 () {\r
  23                 \r
  24                 }\r
  25 \r
  26         \r
  27                 /// <summary>\r
  28                 /// Creates the default derived class.\r
  29                 /// </summary>\r
  30                 public static new SHA1 Create () {\r
  31                         return new SHA1CryptoServiceProvider();\r
  32                 }\r
  33         \r
  34                 /// <summary>\r
  35                 /// Creates a new derived class.\r
  36                 /// </summary>\r
  37                 /// <param name="st">FIXME: No clue.  Specifies which derived class to create?</param>\r
  38                 public static new SHA1 Create (string st) {\r
  39                         return Create();\r
  40                 }\r
  41         }\r
  42 }\r
  43 \r