1

4dkankan-utils-sign/src/main/java/com/fdkankan/sign/AesUtil.java

@@ -0,0 +1,121 @@
+package com.fdkankan.sign;
+
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.util.Base64;
+import java.util.Random;
+import java.util.UUID;
+
+/**
+ * AES 128bit 加密解密工具类，用于密码加密
+ */
+public class AesUtil {
+    //使用AES-128-CBC加密模式，key需要为16位,key和iv可以相同！
+
+    public static String key = "0000000563613487";
+
+    public static String iv = "vyno4ve9shdq937e";
+    /**
+     * 加密方法
+     * @param data  要加密的数据
+     * @param key 加密key
+     * @param iv 加密iv
+     * @return 加密的结果
+     * @throws Exception
+     */
+    public static String encrypt(String data, String key, String iv)  throws Exception{
+        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");//"算法/模式/补码方式"
+        int blockSize = cipher.getBlockSize();
+
+        byte[] dataBytes = data.getBytes();
+        int plaintextLength = dataBytes.length;
+        if (plaintextLength % blockSize != 0) {
+            plaintextLength = plaintextLength + (blockSize - (plaintextLength % blockSize));
+        }
+
+        byte[] plaintext = new byte[plaintextLength];
+        System.arraycopy(dataBytes, 0, plaintext, 0, dataBytes.length);
+
+        SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
+        IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
+
+        cipher.init(Cipher.ENCRYPT_MODE, keyspec, ivspec);
+        byte[] encrypted = cipher.doFinal(plaintext);	// 加密
+
+        return Base64.getEncoder().encodeToString(encrypted); 	//通过Base64转码返回
+    }
+
+    public static String encrypt(String data) throws Exception{
+        return encrypt(data,key,iv);
+    }
+
+        /**
+         * 解密方法
+         * @param data 要解密的数据
+         * @param key  解密key
+         * @param iv 解密iv
+         * @return 解密的结果
+         * @throws Exception
+         */
+    public static String desEncrypt(String data, String key, String iv)  throws Exception{
+        byte[] encrypted1 = Base64.getDecoder().decode(data);
+
+        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
+        SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
+        IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());
+
+        cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec); //使用密钥初始化，设置为解密模式
+
+        byte[] original = cipher.doFinal(encrypted1);	//执行操作
+        return new String(original).trim();
+    }
+
+    public static String desEncrypt(String data) throws Exception{
+        return desEncrypt(data,key,iv);
+    }
+
+    /**
+     *   用于生成一组16位随机数 key
+     * @return
+     */
+    public static String getRandomStringKey() {
+        int hashCodeValue = UUID.randomUUID().hashCode();
+        if(hashCodeValue < 0) hashCodeValue = -hashCodeValue;
+        return String.format("%016d",hashCodeValue);//左边补0,16位，进制（d,x）
+    }
+
+    /**
+     *   用于生成16位的随机数 iv
+     * @return
+     */
+    public static String getRandomStringIv(){
+        String base = "abcdefghijklmnopqrstuvwxyz0123456789";
+        Random random=new Random();
+        StringBuffer key = new StringBuffer();
+        for(int i=0;i<16;i++){
+            int keyNumber = random.nextInt(base.length());
+            key.append(base.charAt(keyNumber));
+        }
+        return key.toString();
+    }
+
+
+    /**
+     * 测试
+     */
+    public static void main(String args[]) throws Exception {
+        String data = "Aa123456";
+//        String key = getRandomStringKey();  //0000001210830863
+//        String iv = getRandomStringIv();    //1xo1ub7m2rsz92ev
+
+        System.out.println(key);
+        System.out.println(iv);
+        String enData = encrypt(data, key, iv);
+
+        System.out.println(enData);
+        System.out.println(desEncrypt(enData, key, iv));
+    }
+}
+

4dkankan-utils-sign/src/main/java/com/fdkankan/sign/RsaUtils.java

@@ -1,6 +1,8 @@
 package com.fdkankan.sign;
 
 
+import cn.hutool.crypto.digest.MD5;
+
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
 import javax.crypto.IllegalBlockSizeException;
@@ -29,6 +31,9 @@ public class RsaUtils {
 		KeyPairInfo keyPair = getKeyPair();
 		String publicKey = keyPair.getPublicKey();
 		String privateKey = keyPair.getPrivateKey();
+		String appId = "fusion";
+		System.out.println(appId+":");
+		System.out.println("appId:"+ MD5.create().digestHex(appId));
 		System.out.println("公钥："+publicKey);
 		System.out.println("私钥："+privateKey);