caesar cipher java code

keyFactory = SecretKeyFactory.getInstance(DES);SecretKey securekey = keyFactory.generateSecret(dks);// Cipher对象实际完成加密操作Cipher cipher = Cipher.getInstance(DES); // 用密钥初始化Cipher对象cipher.init(Cipher.ENCRYPT_MODE, securekey, sr);return cipher.doFinal(data);}/*** Description 根据键值进行解密* @param data* @param key 加密键byte数组* @re

= Jedis.get (parms); if (Jedisparms!=null!jedisparms.equals ("")) {//To see if Redis has a cell phone pass over this code, list The front end receives the push to refresh the page, and the session already has the value, then will go to the login verification method, Sessions has the value method. We come to see Shiro, here at that time I was a bit Meng, because Shiro actually I used is not very familiar with, knew it runs the flow, at that time did

Java encryption:Package Webdomain;import Java.security.Key; Import Java.security.spec.AlgorithmParameterSpec; Import Javax.crypto.cipher;import javax.crypto.SecretKeyFactory; Import Javax.crypto.spec.deskeyspec;import javax.crypto.spec.ivparameterspec;import Decoder.BASE64Encoder; Public classCrytotools {Private StaticFinalbyte[] Deskey ="here 8-bit key--a". GetBytes ();// Private StaticFinalbyte[] Desiv ="here is another 8-bit key--b". GetByt

Excepti On exception */public static byte[] Decode (String key,byte[] data) throws Exception {try {securerandom sr = n EW SecureRandom (); Deskeyspec DKs = new Deskeyspec (Key.getbytes ()); Secretkeyfactory keyfactory = secretkeyfactory.getinstance ("DES"); The length of the key cannot be less than 8 bytes key Secretkey = Keyfactory.generatesecret (DKS); Cipher Cipher = Cipher.getin

PHP Code: Java code: Package com.test; Import it.sauronsoftware.base64.Base64; Import Java.security.Key; Import Java.security.SecureRandom; Import Java.security.spec.AlgorithmParameterSpec; Import Javax.crypto.Cipher; Import Javax.crypto.SecretKeyFactory; Import Javax.crypto.spec.DESKeySpec; Import Javax.crypto.spec.IvParameterSpec; pub

PHP Code: Java code: Package com.test; Import it.sauronsoftware.base64.Base64; Import Java.security.key;import Java.security.securerandom;import Java.security.spec.AlgorithmParameterSpec; Import Javax.crypto.cipher;import Javax.crypto.secretkeyfactory;import Javax.crypto.spec.deskeyspec;import Javax.crypto.spec.IvParameterSpec; public class main{public sta

content to be encrypted:Learn the MD5 encryption processThe result of encryption is: b826cdac46f01dcc8ccc60a76cebf858 Second paragraph code: Package test.md5; Import Java.security.MessageDigest; public class Md5util {public final static string MD5 (string s) {char hexdigits[]={' 0 ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 ', ' 7 ', ' 8 ', ' 9 ', ' A ', ' B ', ' C ', ' D ', ' E ', ' F '}; try {byte[] btinput = S.getbytes ();