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java中AES加解密

婉殇成长笔记 2023-02-05 阅读 26

public class AESUtils {

private static final String initVector = "57635e22b48356ad";

/**
* 解密
*
* @param key
* @param encrypted
* @return
*/
public static String decrypt(String key, String encrypted) {
try {
IvParameterSpec iv = new
IvParameterSpec(initVector.getBytes("UTF-8"));
SecretKeySpec skeySpec = new
SecretKeySpec(key.getBytes("UTF-8"), "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
byte[] original =
cipher.doFinal(Base64.decodeBase64(encrypted));
return new String(original);
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}

/**
* 加密
*
* @param key
* @param value
* @return
*/
public static String encrypt(String key, String value) {
try {
IvParameterSpec iv = new
IvParameterSpec(initVector.getBytes("UTF-8"));
SecretKeySpec skeySpec = new
SecretKeySpec(key.getBytes("UTF-8"), "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
byte[] encrypted = cipher.doFinal(value.getBytes("UTF-8"));
return Base64.encodeBase64String(encrypted);
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
}

 



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