C # MD5 sha1 sha256 sha384 sha512 example Standard Edition flagship Edition

 

Code

  //  If it is text, it is first converted into a byte sequence. If there are Chinese characters, do not use ASCII encoding, which will cause the Chinese characters to become question marks.  
  Byte  [] Buffer  =  Encoding. utf8.getbytes (  "  HONG Xing's blog  "  );  // UTF-8 Coding  
  Buffer  =  Encoding. Default. getbytes (  "  HONG Xing's blog  "  );  //  GBK/gb2312 Encoding


  //  16 bytes, 128 bits  
  Md5cryptoserviceprovider MD5  =    New  Md5cryptoserviceprovider ();
  Byte  [] H1  =  Md5.computehash (buffer );


  //  20 bytes, 160 characters  
  Sha1cryptoserviceprovider sha1  =     New  Sha1cryptoserviceprovider ();
  Byte  [] H2 =  Sha1.computehash (buffer );


  //  32 bytes, 256 bits  
  Sha256cryptoserviceprovider sha256  =     New  Sha256cryptoserviceprovider ();
  Byte  [] H3  =  Sha256.computehash (buffer );


  // 48 bytes, 384 characters  
  Sha384cryptoserviceprovider sha384  =     New  Sha384cryptoserviceprovider ();
  Byte  [] H4  =  Sha384.computehash (buffer );


  //  64-byte, 512-bit  
  Sha512cryptoserviceprovider sha512 =     New  Sha512cryptoserviceprovider ();
  Byte  [] H5  =  Sha512.computehash (buffer );


  String  S1  =  Bitconverter. tostring (H1). Replace (  "  -  "  , String  . Empty );
  String  S2  =  Bitconverter. tostring (H2). Replace (  "  -  "  ,  String  . Empty );
  String  S3  =  Bitconverter. tostring (H3). Replace ( "  -  "  ,  String  . Empty );
  String  S4  =  Bitconverter. tostring (h4). Replace (  "  -  "  ,  String  . Empty );
  String S5  =  Bitconverter. tostring (H5). Replace (  "  -  "  ,  String  . Empty );


Console. writeline (S1 );
Console. writeline (S2 );
Console. writeline (S3 );
Console. writeline (S4 );
Console. writeline (S5 );
 

 

Test URL:

Http://www.hongcing.com/tool/md5

Http://www.hongcing.com/tool/sha1