.gitignore

@@ -1 +0,0 @@
-/target/

src/main/java/com/celnet/datadump/util/AESUtil.java

@@ -1,109 +0,0 @@
-package com.celnet.datadump.util;
-
-import lombok.extern.slf4j.Slf4j;
-
-import javax.crypto.Cipher;
-import javax.crypto.KeyGenerator;
-import javax.crypto.SecretKey;
-import javax.crypto.spec.SecretKeySpec;
-import java.nio.charset.StandardCharsets;
-import java.security.Key;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.util.Base64;
-
-@Slf4j
-public class AESUtil {
-
-    private static String DEFAULT_CIPHER_ALGORITHM = "SHA1PRNG";
-    private static String KEY_ALGORITHM = "AES";
-
-    /**
-     * 加密
-     *
-     * @param key
-     * @param messBytes
-     * @return
-     */
-    private static byte[] encrypt(Key key, byte[] messBytes) throws Exception {
-        if (key != null) {
-
-            Cipher cipher = Cipher.getInstance(KEY_ALGORITHM);
-            cipher.init(Cipher.ENCRYPT_MODE, key);
-            return cipher.doFinal(messBytes);
-        }
-        return null;
-    }
-
-    /**
-     * AES（256）解密
-     *
-     * @param key
-     * @param cipherBytes
-     * @return
-     */
-    private static byte[] decrypt(Key key, byte[] cipherBytes) throws Exception {
-        if (key != null) {
-
-            Cipher cipher = Cipher.getInstance(KEY_ALGORITHM);
-            cipher.init(Cipher.DECRYPT_MODE, key);
-            return cipher.doFinal(cipherBytes);
-        }
-        return null;
-    }
-
-
-    /**
-     * 生成加密秘钥
-     *
-     * @return
-     * @throws NoSuchAlgorithmException
-     */
-    private static KeyGenerator getKeyGenerator() {
-
-        String key = "WEQWESDASDSSXCWA";
-
-        KeyGenerator keygen = null;
-        try {
-            keygen = KeyGenerator.getInstance(KEY_ALGORITHM);
-            SecureRandom secureRandom = SecureRandom.getInstance(DEFAULT_CIPHER_ALGORITHM);
-            secureRandom.setSeed(key.getBytes());
-            keygen.init(128, secureRandom);
-        } catch (NoSuchAlgorithmException e) {
-            log.warn("Get key generator error {}", e.getMessage());
-        }
-
-        return keygen;
-    }
-
-    public static String encrypt(String message) {
-        try {
-            KeyGenerator keygen = getKeyGenerator();
-            SecretKey secretKey = new SecretKeySpec(keygen.generateKey().getEncoded(), KEY_ALGORITHM);
-            return Base64.getEncoder().encodeToString(encrypt(secretKey, message.getBytes(StandardCharsets.UTF_8)));
-        } catch (Exception e) {
-            log.warn("content encrypt error {}", e.getMessage());
-        }
-        return null;
-    }
-
-    public static String decrypt(String ciphertext) {
-        try {
-            KeyGenerator keygen = getKeyGenerator();
-            SecretKey secretKey = new SecretKeySpec(keygen.generateKey().getEncoded(), KEY_ALGORITHM);
-            return new String(decrypt(secretKey, Base64.getDecoder().decode(ciphertext)), StandardCharsets.UTF_8);
-        } catch (Exception e) {
-            log.warn("content decrypt error {}", e.getMessage());
-        }
-        return null;
-    }
-
-    public static void main(String[] args) {
-        String message = "root";
-        String ciphertext = encrypt(message);
-
-        System.out.println("加密后密文为: " + ciphertext);
-        System.out.println("解密后明文为:" + decrypt(ciphertext));
-    }
-
-}