/**
* Base64解密
*
* @param inputText
* @param charset 字符集
* @return
*/
public static String base64Decode(String inputText, String... charset) {
if (charset.length == 1) {
return Base64.decode(inputText, charset[0]);
} else {
return Base64.decode(inputText);
}
}
@Override
public UserLocation convertCoord(String lng, String lat) {
// 百度坐标转换接口
String convertUrl = "http://api.map.baidu.com/ag/coord/convert?from=2&to=4&x={x}&y={y}";
convertUrl = convertUrl.replace("{x}", lng);
convertUrl = convertUrl.replace("{y}", lat);
UserLocation location = new UserLocation();
try {
String jsonCoord = HttpClientUtil.httpGet(convertUrl);
JSONObject jsonObject = JSONObject.fromObject(jsonCoord);
// 对转换后的坐标进行Base64解码
location.setBd09Lng(Base64.decode(jsonObject.getString("x"), "UTF-8"));
location.setBd09Lat(Base64.decode(jsonObject.getString("y"), "UTF-8"));
} catch (Exception e) {
location = null;
logger.info("坐标转换失败");
}
return location;
}
// 公钥解密
public static byte[] decryptByPublicKey(String key, byte[] data) throws Exception {
// 实例化公钥材�?
X509EncodedKeySpec x509spec = new X509EncodedKeySpec(Base64.decode(key.getBytes()));
// 实例化密钥工�?
KeyFactory keyfactory = KeyFactory.getInstance(Key_ALGORITHM);
// 获得公钥
PublicKey pubkey = keyfactory.generatePublic(x509spec);
// 对数据进行解�?
Cipher cipher = Cipher.getInstance(Key_ALGORITHM);
cipher.init(Cipher.DECRYPT_MODE, pubkey);
return cipher.doFinal(data);
}
// 私钥加密
public static byte[] encryptByPrivateKey(String key, byte[] data) throws Exception {
// 实例化密钥材�?
PKCS8EncodedKeySpec pcs8spec = new PKCS8EncodedKeySpec(Base64.decode(key.getBytes()));
// 实例化密钥工�?
KeyFactory keyfactory = KeyFactory.getInstance(Key_ALGORITHM);
// 生成私钥
PrivateKey pritekey = keyfactory.generatePrivate(pcs8spec);
// 私钥加密
Cipher cipher = Cipher.getInstance(pritekey.getAlgorithm());
cipher.init(Cipher.ENCRYPT_MODE, pritekey);
return cipher.doFinal(data);
}