feat: [1006875] 【新增】ERP账号申领

pcloud-common/src/main/java/com/pcloud/common/utils/encrypt/AESUtil.java

@@ -140,4 +140,81 @@ public class AESUtil {
         }
         return hs.toString().toUpperCase();
     }
+
+    /**
+     * 使用固定密钥加密
+     * @param src   待加密数据
+     * @return  加密后数据
+     */
+    public static String fixedEncrypt(final String src,String key) {
+        if (StringUtils.isBlank(src)) {
+            return src;
+        }
+        if (StringUtils.isBlank(key)) {
+            key=DEFAULT_KEY;
+        }
+        try {
+            byte[] encrypted = getEncryptCipherInstance(key).doFinal(src.getBytes());
+            return byte2hex(encrypted);
+        } catch (Throwable t) {
+            throw new BizException("aes encrypt failed,src=" + src, t);
+        }
+    }
+
+    private static Cipher getEncryptCipherInstance(String key) {
+        if (ENCRYPT_CIPHER == null) {
+            synchronized (AESUtil.class) {
+                if (ENCRYPT_CIPHER == null) {
+                    try {
+                        byte[] raw = key.getBytes();
+                        SecretKeySpec spec = new SecretKeySpec(raw, KEY_AES);
+                        ENCRYPT_CIPHER = Cipher.getInstance(KEY_AES);
+                        ENCRYPT_CIPHER.init(Cipher.ENCRYPT_MODE, spec);
+                    } catch (Throwable t) {
+                        ENCRYPT_CIPHER = null;
+                        throw new BizException("aes cipher init failed", t);
+                    }
+                }
+            }
+        }
+        return ENCRYPT_CIPHER;
+    }
+
+    public static String fixedDecrypt(final String encrypted,String key) {
+        if (StringUtils.isBlank(encrypted)) {
+            return encrypted;
+        }
+        if (StringUtils.isBlank(key)) {
+            key=DEFAULT_KEY;
+        }
+        try {
+            byte[] b = hex2byte(encrypted);
+            if (b == null) {
+                throw new BizException("aes decrypt failed,src=" + encrypted);
+            }
+            byte[] original = getDecryptCipherInstance(key).doFinal(b);
+            return new String(original, StandardCharsets.UTF_8);
+        } catch (Throwable t) {
+            throw new BizException("aes decrypt failed,src=" + encrypted, t);
+        }
+    }
+
+    private static Cipher getDecryptCipherInstance(String key) {
+        if (DECRYPT_CIPHER == null) {
+            synchronized (AESUtil.class) {
+                if (DECRYPT_CIPHER == null) {
+                    try {
+                        byte[] raw = key.getBytes();
+                        SecretKeySpec spec = new SecretKeySpec(raw, KEY_AES);
+                        DECRYPT_CIPHER = Cipher.getInstance(KEY_AES);
+                        DECRYPT_CIPHER.init(Cipher.DECRYPT_MODE, spec);
+                    } catch (Throwable t) {
+                        DECRYPT_CIPHER = null;
+                        throw new BizException("aes cipher init failed", t);
+                    }
+                }
+            }
+        }
+        return DECRYPT_CIPHER;
+    }
 }