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  1. using System;
  2. using System.Text;
  3. using System.Security.Cryptography;
  4.  
  5. public class Test
  6. {
  7.     public static string getHashSha256(string text)
  8.     {
  9.         byte[] bytes = Encoding.UTF8.GetBytes(text);
  10.         SHA256Managed hashstring = new SHA256Managed();
  11.         byte[] hash = hashstring.ComputeHash(bytes);
  12.         string hashString = string.Empty;
  13.         foreach (byte x in hash)
  14.         {
  15.             hashString += String.Format("{0:x2}", x);
  16.         }
  17.         return hashString;
  18.     }
  19.  
  20.     public static void Main()
  21. 	{
  22. 		string str = @"POST
  23. /
  24.  
  25. content-type:application/x-www-form-urlencoded; charset=utf-8
  26. host:iam.amazonaws.com
  27. x-amz-date:20110909T233600Z
  28.  
  29. content-type;host;x-amz-date
  30. b6359072c78d70ebee1e81adcbab4f01bf2c23245fa365ef83fe8f1f955085e2";
  31.  
  32.         Console.WriteLine(getHashSha256(str));
  33.         Console.WriteLine("Use \\r\\n: {0}", str.Contains("\r\n"));
  34. 	}
  35. }
Success #stdin #stdout 0.04s 24176KB
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stdin
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Standard input is empty
stdout
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3511de7e95d28ecd39e9513b642aee07e54f4941150d8df8bf94b328ef7e55e2
Use \r\n: False
https://ideone.com/SY1F0w
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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