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coolstore-partner-common/src/main/java/com/cool/store/utils/SecureUtil.java

@@ -0,0 +1,63 @@
+package com.cool.store.utils;
+
+import java.io.UnsupportedEncodingException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class SecureUtil {
+    private static final String API_KEY = "c344cbe01972777dcfe7f9767e3d2e7f";
+    private static final String API_SECRET = "fAIgCJc3kPmSzD3SgEHU";
+
+    /**
+     * 利用java原生的摘要实现SHA256加密
+     * @param source 加密内容
+     * @param salt 盐
+     * @return
+     */
+    public static String sha256(String source, String salt) {
+        String encodeStr = "";
+        try {
+            MessageDigest digest = MessageDigest.getInstance("SHA-256");
+            if (salt != null) {
+                digest.reset();
+                digest.update(salt.getBytes("UTF-8"));
+            }
+            digest.update(source.getBytes("UTF-8"));
+            encodeStr = byte2Hex(digest.digest());
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        } catch (UnsupportedEncodingException e) {
+            e.printStackTrace();
+        }
+        return encodeStr;
+    }
+
+    /**
+     * 将byte转为16进制
+     * @param bytes
+     * @return
+     */
+    private static String byte2Hex(byte[] bytes){
+        StringBuffer stringBuffer = new StringBuffer();
+        for (int i=0;i<bytes.length;i++) {
+            String temp = Integer.toHexString(bytes[i] & 0xFF);
+            if (temp.length() == 1) {
+                // 一位的进行补0操作
+                stringBuffer.append("0");
+            }
+            stringBuffer.append(temp);
+        }
+        return stringBuffer.toString();
+    }
+
+    public static String getSignature(long timestamp) {
+        return SecureUtil.sha256(timestamp + "$%^&" + API_KEY, API_SECRET);
+    }
+
+    public static void main(String[] args) {
+        long timestamp = System.currentTimeMillis();
+        System.out.println(getSignature(timestamp));
+    }
+
+}
+