验签工具类 PS：该验签方法仅在pamirs-core的5.0.16版本以上可正常使用 public class EipSignUtils { public static final String SIGN_METHOD_MD5 = "md5"; private static final String SIGN_METHOD_HMAC = "hmac"; private static final String SECRET_KEY_ALGORITHM = "HmacMD5"; private static final String MESSAGE_DIGEST_MD5 = "MD5"; public static String signTopRequest(Map<String, String> params, String secret, String signMethod) throws IOException { // 第一步：检查参数是否已经排序 String[] keys = params.keySet().toArray(new String[0]); Arrays.sort(keys); // 第二步：把所有参数名和参数值串在一起 StringBuilder query = new StringBuilder(); if (SIGN_METHOD_MD5.equals(signMethod)) { query.append(secret); } for (String key : keys) { String value = params.get(key); if (StringUtils.isNoneBlank(key, value)) { query.append(key).append(value); } } // 第三步：使用MD5/HMAC加密 byte[] bytes; if (SIGN_METHOD_HMAC.equals(signMethod)) { bytes = encryptHMAC(query.toString(), secret); } else { query.append(secret); bytes = encryptMD5(query.toString()); } // 第四步：把二进制转化为大写的十六进制(正确签名应该为32大写字符串，此方法需要时使用) return byte2hex(bytes); } private static byte[] encryptHMAC(String data, String secret) throws IOException { byte[] bytes; try { SecretKey secretKey = new SecretKeySpec(secret.getBytes(StandardCharsets.UTF_8), SECRET_KEY_ALGORITHM); Mac mac = Mac.getInstance(secretKey.getAlgorithm()); mac.init(secretKey); bytes = mac.doFinal(data.getBytes(StandardCharsets.UTF_8)); } catch (GeneralSecurityException e) { throw new IOException(e.toString(), e); } return bytes; } private static byte[] encryptMD5(String data) throws IOException { return encryptMD5(data.getBytes(StandardCharsets.UTF_8)); } private static byte[] encryptMD5(byte[] data) throws IOException { try { MessageDigest md = MessageDigest.getInstance(MESSAGE_DIGEST_MD5); return md.digest(data); } catch (NoSuchAlgorithmException e)…
