话不多说 上代码
private final static String secretKey = "2pYggJcu7V1tLxvSItfn74Ck";
private final static String encoding = "utf-8";
public static String encode(String source) throws Exception {
DESedeKeySpec spec = new DESedeKeySpec(secretKey.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("desede");
SecretKey secretKey = keyFactory.generateSecret(spec);
Cipher instance = Cipher.getInstance("desede/ECB/nopadding");
instance.init(1, secretKey);
byte[] bytes = instance.doFinal(source.getBytes(encoding));
return Base64.encode(bytes);
}
public static String decode(String source) throws Exception {
DESedeKeySpec spec = new DESedeKeySpec(secretKey.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("desede");
SecretKey secretKey = keyFactory.generateSecret(spec);
Cipher instance = Cipher.getInstance("desede/ECB/nopadding");
instance.init(Cipher.DECRYPT_MODE, secretKey);
byte[] bytes = instance.doFinal(Base64.decode(source));
return new String(bytes);
}
public static void main(String[] args) throws Exception {
// String clearText = "qrUfm/W9ckzrVMi5Zv92HsAGpRW9zP7hs99NN59WmoL8ot4ve/nOIX9EH4Ig9g6sIllI5LAamaqu16K7CiXm0QZDm8jmM34YTqgQlmwx1LQ=";
String sign = "7pHxCSvbKSari3+Q2RDi6mNDKTHXVZHRooOdAxRCtbvQCFEeWIjhlVhjQk/5Ll1acy2uIJz2zW3SV1e4H3fY4BAkbfvTbL76apSZh7vfzgdHWeY7IjfuLKOMXJ4WO22D";
String signStr = "{\"yhm\":\"NJMBTEST\",\"nsrsbh\":\"91320114302413919L\",\"fjh\":\"0\",\"sqm\":\"3R7TG2KATZ\",\"zcm\":\"82533885\"}";
String encode = encode(StringToByte8(signStr));
System.out.println(encode);
String decode = decode(sign);
System.out.println(decode);
}
public static String StringToByte8(String str) throws UnsupportedEncodingException {
int len = str.getBytes(encoding).length;
if (len % 8 != 0) {
byte[] strtemp = new byte[len + (8 - len % 8)];
for (int i = 0; i < len; i++) {
strtemp[i] = str.getBytes(encoding)[i];
}
str = new String(strtemp, encoding);
}
System.out.println(str.getBytes(encoding).length);
return str;
}