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PHP Blowfish 算法的加密解密,供大家参考,具体内容如下

<"htmlcode">
<"iv: %s\n",bin2hex($iv));
 printf("key256: %s\n",bin2hex($key256));
 printf("key128: %s\n",bin2hex($key128));
 
 $cleartext = 'The quick brown fox jumped over the lazy dog';
 printf("clearText: %s\n\n",$cleartext);
  
 // Do 256-bit blowfish encryption:
 // The strengh of the encryption is determined by the length of the key
 // passed to mcrypt_generic_init
 if (mcrypt_generic_init($cipher, $key256, $iv) != -1)
 {
  // PHP pads with NULL bytes if $cleartext is not a multiple of the block size..
  $cipherText = mcrypt_generic($cipher,$cleartext );
  mcrypt_generic_deinit($cipher);
  
  // Display the result in hex.
  printf("256-bit blowfish encrypted:\n%s\n\n",bin2hex($cipherText));
 }
 
 // 128-bit blowfish encryption:
 if (mcrypt_generic_init($cipher, $key128, $iv) != -1)
 {
  // PHP pads with NULL bytes if $cleartext is not a multiple of the block size..
  $cipherText = mcrypt_generic($cipher,$cleartext );
  mcrypt_generic_deinit($cipher);
  
  // Display the result in hex.
  printf("128-bit blowfish encrypted:\n%s\n\n",bin2hex($cipherText));
 }
 
 // -------
 // Results
 // -------
 // You may use these as test vectors for testing your Blowfish implementations...
 // 
 // iv: 3132333435363738
 // key256: 313233343536373839303132333435364142434445464748494a4b4c4d4e4f50
 // key128: 31323334353637383930313233343536
 // clearText: The quick brown fox jumped over the lazy dog
 // 
 // 256-bit blowfish encrypted:
 // 276855ca6c0d60f7d9708210440c1072e05d078e733b34b4198d609dc2fcc2f0c30926cdef3b6d52baf6e345aa03f83e
 // 
 // 128-bit blowfish encrypted:
 // d2b5abb73208aea3790621d028afcc74d8dd65fb9ea8e666444a72523f5ecca60df79a424e2c714fa6efbafcc40bdca0 
 
?>

以上就是本文的全部内容,希望对大家学习php程序设计有所帮助。

标签:
php,blowfish,加密,解密

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