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Java已有AES加解密,現(xiàn)需要前端Javascript加密調(diào)接口,返回的數(shù)據(jù)需要解密,目前互通不了,找不到原因

Java已有AES加解密,現(xiàn)需要前端Javascript加密調(diào)接口,返回的數(shù)據(jù)需要解密,目前互通不了,找不到原因

DIEA 2019-01-18 00:27:03
目前Javascript使用'crypto-js'包。 前后臺(tái)可以自己跑通加解密,但是, 無(wú)法互通。 針對(duì)對(duì)象{}加密……網(wǎng)上的方案,已經(jīng)嘗試了4天左右了,還沒(méi)成功,請(qǐng)指導(dǎo)。 無(wú)思路,無(wú)報(bào)錯(cuò)。 Java package com.pactera.sms.foundbase.util; import java.security.SecureRandom; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class AESUtils { private static final String IV_STRING = "16-Bytes--String"; /** * 加密方法 * * @param seed * 密鑰 * @param clearText * 明文 * @return */ public static String encrypt(String seed, String clearText) { byte[] result = null; try { byte[] rawkey = getRawKey(seed.getBytes()); result = encrypt(rawkey, clearText.getBytes()); } catch (Exception e) { e.printStackTrace(); } String content = toHex(result); return content; } /** * 解密方法 * * @param seed * @param encrypted * @return */ public static String decrypt(String seed, String encrypted) { byte[] rawKey; try { rawKey = getRawKey(seed.getBytes()); byte[] enc = toByte(encrypted); byte[] result = decrypt(rawKey, enc); String coentn = new String(result); return coentn; } catch (Exception e) { e.printStackTrace(); return null; } } private static byte[] getRawKey(byte[] seed) throws Exception { KeyGenerator kgen = KeyGenerator.getInstance("AES"); SecureRandom sr = SecureRandom.getInstance("SHA1PRNG"); sr.setSeed(seed); kgen.init(128, sr); SecretKey sKey = kgen.generateKey(); byte[] raw = sKey.getEncoded(); return raw; } private static byte[] encrypt(byte[] raw, byte[] clear) throws Exception { byte[] initParam = IV_STRING.getBytes(); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, skeySpec, new IvParameterSpec( initParam)); byte[] encrypted = cipher.doFinal(clear); return encrypted; } private static byte[] decrypt(byte[] raw, byte[] encrypted) throws Exception { byte[] initParam = IV_STRING.getBytes(); SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); cipher.init(Cipher.DECRYPT_MODE, skeySpec, new IvParameterSpec( initParam)); byte[] decrypted = cipher.doFinal(encrypted); return decrypted; } public static String toHex(String txt) { return toHex(txt.getBytes()); } public static String fromHex(String hex) { return new String(toByte(hex)); } public static byte[] toByte(String hexString) { int len = hexString.length() / 2; byte[] result = new byte[len]; for (int i = 0; i < len; i++) result[i] = Integer.valueOf(hexString.substring(2 * i, 2 * i + 2), 16).byteValue(); return result; } public static String toHex(byte[] buf) { if (buf == null) return ""; StringBuffer result = new StringBuffer(2 * buf.length); for (int i = 0; i < buf.length; i++) { appendHex(result, buf[i]); } return result.toString(); } private static void appendHex(StringBuffer sb, byte b) { final String HEX = "0123456789ABCDEF"; sb.append(HEX.charAt((b >> 4) & 0x0f)).append(HEX.charAt(b & 0x0f)); } } 32位的key Javascript import CryptoJS from 'crypto-js'; // 加密方法 export function Encrypt(data, key) { key = handleAccountParam(key); key = CryptoJS.enc.Utf8.parse(key); var iv = CryptoJS.enc.Utf8.parse('16-Bytes--String'); var encrypted = CryptoJS.AES.encrypt(JSON.stringify(data), key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }); return encrypted.toString(); } // 解密方法 export function Decrypt(data, key) { key = handleAccountParam(key); key = CryptoJS.enc.Utf8.parse(key); var iv = CryptoJS.enc.Utf8.parse('16-Bytes--String'); var decrypted = CryptoJS.AES.decrypt(data, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }); var decryptedData = JSON.parse(decrypted.toString(CryptoJS.enc.Utf8)); return decryptedData; } export function handleAccountParam(str) { if (str.length < 16) { let length = 16 - str.length; for (var i = 0; i < length; i++) { str += 0; } } else if (str.length > 16) { str = str.slice(0, 16) } return str; }
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海綿寶寶撒

TA貢獻(xiàn)1809條經(jīng)驗(yàn) 獲得超8個(gè)贊

加密完的數(shù)據(jù)一般是二進(jìn)制數(shù)組,不要直接toString,需要使用base64編碼一下。
解密的時(shí)候base64解碼再解密

替換一個(gè)JS那邊的參數(shù)試試

{
                            iv: iv,
                            mode: CryptoJS.mode.CBC,
                            keySize: 256 / 32,
                            padding: CryptoJS.pad.Pkcs7
}
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