如何将这段Java代码转换成js?
public static String getSignature(String skey, String iv, String data) throws Exception {
IvParameterSpec Ⅳ = new IvParameterSpec(iv.getBytes("utf-8"));
DESKeySpec desKey = new DESKeySpec(skey.getBytes("utf-8"));
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(desKey);
Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, key, Ⅳ);
byte[] databyte = cipher.doFinal(data.getBytes("utf-8"));
return new String(Base64.getEncoder().encode(databyte));
}
我自己试过了,我得到了:
function getSignature(
skey,
iv,
data,
) {
const IV = Buffer.from(ivString, 'utf-8');
const desKey = Buffer.from(skey, 'utf-8');
const cipher = crypto.createCipheriv('des-cbc', desKey, IV);
let encrypted = cipher.update(data, 'utf-8', 'base64');
encrypted += cipher.final('base64');
return encrypted;
}
但我得到了一个ERR_CRYPTO_INVALID_KEYLEN
错误,因为我的密钥长度不是8.我猜我的js代码缺少这部分Java代码,但我不知道如何将这部分转换成js:
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(desKey);