Java Cryptographic Tools Class (dependent: Java.security.MessageDigest or org.apache.commons.codec.digest.DigestUtils)

Relies on java.security.MessageDigest, supports md5,sha-1,sha-256

1 Importjava.security.MessageDigest;2 Importjava.security.NoSuchAlgorithmException;3 4 /**5 * Ciphertextutil6  *7  * @authorYSJ8  */9  Public classCiphertextutil {Ten      Public Static FinalString MD5 = "MD5"; One      Public Static FinalString sha_1 = "SHA-1"; A      Public Static FinalString sha_256 = "SHA-256"; -     Private Static Final Char[] Ch_hex = {' 0 ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 ', ' 7 ', ' 8 ', -' 9 ', ' A ', ' B ', ' C ', ' D ', ' E ', ' F '}; the  -     /** - * Encrypt string -      *  +      * @paramSourcestr need to encrypt the target string -      * @paramalgorithmsname algorithm name (for example: md5,sha-1,sha-256) +      * @return A      */ at      Public Staticstring passalgorithmsciphering (String sourcestr,string algorithmsname) { -String Password = ""; - MessageDigest MD; -         Try { -MD =messagedigest.getinstance (algorithmsname); -             //Update summary using specified byte[] in md.update (Sourcestr.getbytes ()); -             //complete the calculation, return the result array to             byte[] B =md.digest (); +Password =Bytearraytohex (b); -}Catch(nosuchalgorithmexception e) { the e.printstacktrace (); *         } $         returnpassword;Panax Notoginseng     } -  the     /** + * Convert byte array to hexadecimal string A      * the      * @parambytes +      * @returnreturns a 16 binary string -      */ $     Private StaticString Bytearraytohex (byte[] bytes) { $         //One byte is 8 bits, one hexadecimal character occupies 4 bits, and the hexadecimal character array is twice times the length of the byte array . -         Char[] chars =New Char[Bytes.length * 2]; -         intindex = 0; the          for(byteb:bytes) { -             //High 4 bits of bytes takenWuyichars[index++] = ch_hex[b >>> 4 & 0xf]; the             //take the lower 4 bits of the byte -chars[index++] = ch_hex[b & 0xf]; Wu         } -         return NewString (chars); About     } $}

Relies on org.apache.commons.codec.digest.DigestUtils, supports md2,md5,sha-1,sha-256,sha-384,sha-512

apache:http://commons.apache.org/proper/commons-codec/download_codec.cgi

1 import org.apache.commons.codec.digest.DigestUtils;2 3 /**4 * Ciphertextutil5  *6 * @author YSJ7  */8  Public classCiphertextutil {9      Public StaticFinal String MD2 ="MD2";Ten      Public StaticFinal String MD5 ="MD5"; One      Public StaticFinal String sha_1 ="SHA1"; A      Public StaticFinal String sha_256 ="SHA256"; -      Public StaticFinal String sha_384 ="SHA384"; -      Public StaticFinal String sha_512 ="SHA512"; the  -     /** - * Encrypt string -      *  + * @param sourcestr need to encrypt the target string - * @param algorithmsname algorithm name (for example: md2,md5,sha1,sha256,sha384,sha512) + * @return A      */ at      Public Staticstring passalgorithmsciphering (String sourcestr,string algorithmsname) { -String Password =""; -         Switch(algorithmsname) { -          Case "MD2": -Password =Digestutils.md2hex (SOURCESTR); -              Break; in          Case "MD5": -Password =Digestutils.md5hex (SOURCESTR); to              Break; +          Case "SHA1": -Password =Digestutils.sha1hex (SOURCESTR); the              Break; *          Case "SHA256": $Password =Digestutils.sha256hex (SOURCESTR);Panax Notoginseng              Break; -          Case "SHA384": thePassword =Digestutils.sha384hex (SOURCESTR); +              Break; A          Case "SHA512": thePassword =Digestutils.sha512hex (SOURCESTR); +              Break; -         } $         returnpassword; $     } -}

Java Cryptographic Tools Class (dependent: Java.security.MessageDigest or org.apache.commons.codec.digest.DigestUtils)