diff --git a/src/main/java/com/imyeyu/utils/Decryptor.java b/src/main/java/com/imyeyu/utils/Decryptor.java
new file mode 100644
index 0000000..6e0e692
--- /dev/null
+++ b/src/main/java/com/imyeyu/utils/Decryptor.java
@@ -0,0 +1,50 @@
+package com.imyeyu.utils;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * @author 夜雨
+ * @since 2025-10-29 16:11
+ */
+public class Decryptor {
+
+	/**
+	 * 解密字符串
+	 *
+	 * @param data 待解密字节数据
+	 * @param key  密钥
+	 * @return 解密结果
+	 */
+	public byte[] aes(String data, byte[] key) {
+		return aes(data.getBytes(), key);
+	}
+
+	/**
+	 * 解密
+	 *
+	 * @param data 待解密字节数据
+	 * @param key  密钥
+	 * @return 解密结果
+	 */
+	public byte[] aes(byte[] data, byte[] key) {
+		try {
+			SecretKey secretKey = new SecretKeySpec(key, "AES");
+			Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+			cipher.init(Cipher.DECRYPT_MODE, secretKey);
+			return cipher.doFinal(data);
+		} catch (IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException e) {
+			throw new RuntimeException("invalid data");
+		} catch (InvalidKeyException e) {
+			throw new RuntimeException("invalid key");
+		} catch (NoSuchAlgorithmException e) {
+			throw new RuntimeException("not support AES encrypt");
+		}
+	}
+}
diff --git a/src/main/java/com/imyeyu/utils/Encryptor.java b/src/main/java/com/imyeyu/utils/Encryptor.java
new file mode 100644
index 0000000..eb84134
--- /dev/null
+++ b/src/main/java/com/imyeyu/utils/Encryptor.java
@@ -0,0 +1,65 @@
+package com.imyeyu.utils;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * @author 夜雨
+ * @since 2025-10-29 16:02
+ */
+public class Encryptor {
+
+	public byte[] aesKey() {
+		return aesKey(256);
+	}
+
+	public byte[] aesKey(int size) {
+		try {
+			KeyGenerator keyGen = KeyGenerator.getInstance("AES");
+			keyGen.init(size);
+			return keyGen.generateKey().getEncoded();
+		} catch (NoSuchAlgorithmException e) {
+			throw new RuntimeException("not support AES encrypt");
+		}
+	}
+
+	/**
+	 * 加密字符串
+	 *
+	 * @param data 待加密字符串
+	 * @param key  密钥
+	 * @return 加密结果
+	 */
+	public byte[] aes(String data, byte[] key) {
+		return aes(data.getBytes(), key);
+	}
+
+	/**
+	 * 加密
+	 *
+	 * @param data 待加密字节数据
+	 * @param key  密钥
+	 * @return 加密结果
+	 */
+	public byte[] aes(byte[] data, byte[] key) {
+		try {
+			SecretKey secretKey = new SecretKeySpec(key, "AES");
+			Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+			cipher.init(Cipher.ENCRYPT_MODE, secretKey);
+			return cipher.doFinal(data);
+		} catch (IllegalBlockSizeException | BadPaddingException | NoSuchPaddingException e) {
+			throw new RuntimeException("invalid data");
+		} catch (InvalidKeyException e) {
+			throw new RuntimeException("invalid key");
+		} catch (NoSuchAlgorithmException e) {
+			throw new RuntimeException("not support AES encrypt");
+		}
+	}
+}