java相互加密解密
java代码
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;public class AesUtils {public static String encrypt(String plaintext, String key, String iv) throws Exception {Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");SecretKeySpec keySpec = new SecretKeySpec(key.getBytes("UTF-8"), "AES");IvParameterSpec ivSpec = new IvParameterSpec(iv.getBytes("UTF-8"));cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec);byte[] encryptedBytes = cipher.doFinal(plaintext.getBytes("UTF-8"));return Base64.getEncoder().encodeToString(encryptedBytes);}public static String decrypt(String encryptedText, String key, String iv) throws Exception {Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");SecretKeySpec keySpec = new SecretKeySpec(key.getBytes("UTF-8"), "AES");IvParameterSpec ivSpec = new IvParameterSpec(iv.getBytes("UTF-8"));cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);byte[] decryptedBytes = cipher.doFinal(Base64.getDecoder().decode(encryptedText));return new String(decryptedBytes, "UTF-8");}}前端代码：
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script><html>
<head><title>console detect test</title><script src="Content/js/crypto-js.min.js"></script><script src="Content/js/jquery-1.9.1.js"></script>
</head>
<body>
<script>var key = "1234567890abcdef";var iv = "abcdef1234567890";// 加密函数function encrypt(text, keyTxt,ivTxt) {var key = CryptoJS.enc.Utf8.parse(keyTxt);var iv = CryptoJS.enc.Utf8.parse(ivTxt);var encrypted = CryptoJS.AES.encrypt(text, key, {iv: iv,mode: CryptoJS.mode.CBC,padding: CryptoJS.pad.Pkcs7});return encrypted.toString();}// 解密函数function decrypt(ciphertext, keyTxt,ivTxt) {var key = CryptoJS.enc.Utf8.parse(keyTxt);var iv = CryptoJS.enc.Utf8.parse(ivTxt);var decrypted = CryptoJS.AES.decrypt(ciphertext.toString(), key, {iv: iv,mode: CryptoJS.mode.CBC,padding: CryptoJS.pad.Pkcs7});return decrypted.toString(CryptoJS.enc.Utf8);}function jiami() {var txt1 = $("#txt1").val();var txt2 = encrypt(txt1, key,iv);$("#txt2").val(txt2);}function jiemi() {var txt2 = $("#txt2").val();var txt1 = decrypt(txt2, key,iv);$("#txt1").val(txt1);}
</script>
<textarea id="txt1" style="height: 100px;width: 100%"></textarea>
<br/>
<button onclick="jiami()">加密</button>
<button onclick="jiemi()">解密</button>
<br/>
<textarea id="txt2" style="height: 100px;width: 100%"></textarea></body>
</html>