HmacSHA256摘要算法2 MACCoder

消息摘要算法分为三类：

MD(Message Digest)：消息摘要

SHA(Secure Hash Algorithm)：安全散列

MAC(Message Authentication Code)：消息认证码

MAC算法

介绍：

HMAC(keyed-Hash Message Authentication Code)：含有密钥的散列函数算法

包含了MD和SHA两个系列的消息摘要算法

HMAC只是在原有的MD和SHA算法的基础上添加了密钥。

import java.nio.charset.Charset;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

/**
 * MAC消息摘要组件
 *
 * */
public class MACCoder {

    public static byte[] HMAC_SHA(byte[] data1,byte[] data2){
        final Charset UTF_8 = Charset.forName("UTF-8");

        try {
            String secret = "0X84NSTAokzW1iWCCLFIzP1JYv1utSUT";

            Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
            SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(UTF_8), "HmacSHA256");
            sha256_HMAC.init(secret_key);

            sha256_HMAC.update(data1);
            sha256_HMAC.update(data2);

            return sha256_HMAC.doFinal();
        }
        catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }

    public static String getHmacSHA256FingerPrint(String str1,String str2) {
        final Charset UTF_8 = Charset.forName("UTF-8");

        try {
            String secret = "0X84NSTAokzW1iWCCLFIzP1JYv1utSUT";

            Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
            SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(UTF_8), "HmacSHA256");
            sha256_HMAC.init(secret_key);

            sha256_HMAC.update(str1.getBytes(UTF_8));
            sha256_HMAC.update(str2.getBytes(UTF_8));

            byte[] arr= sha256_HMAC.doFinal();
            String retval=Base64.encode(arr);
            return retval;
        }
        catch (Exception e){
            return null;
        }
    }

    /**
     * 进行相关的摘要算法的处理展示
     * @throws Exception
     * **/
    public static void main(String[] args) throws Exception {
        /*final Charset UTF_8 = Charset.forName("UTF-8");

        byte[] datas1="{    \"type\": \"webhook_event\",    \"id\": \"3b8800b1-c416-4e65-aaf2-00b16bbadfc1\",    \"created_at\": \"2019-09-30T02:27:41-07:00\",    \"trigger\": \"FILE.UPLOADED\",    \"webhook\": {        \"id\": \"232295281\",        \"type\": \"webhook\"    },    \"created_by\": {        \"type\": \"user\",        \"id\": \"8571226476\",        \"name\": \"sv ecld-tms-scom-t01\",        \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"    },    \"source\": {        \"id\": \"532443758714\",        \"type\": \"file\",        \"file_version\": {            \"type\": \"file_version\",            \"id\": \"563691410130\",            \"sha1\": \"1a9f9f000a2c1fe998510028b9a25da013fde0fd\"        },        \"sequence_id\": \"0\",        \"etag\": \"0\",        \"sha1\": \"1a9f9f000a2c1fe998510028b9a25da013fde0fd\",        \"name\": \"0301_JP_20190924205001.csv\",        \"description\": \"\",        \"size\": 105,        \"path_collection\": {            \"total_count\": 2,            \"entries\": [                {                    \"type\": \"folder\",                    \"id\": \"0\",                    \"sequence_id\": null,                    \"etag\": null,                    \"name\": \"All Files\"                },                {                    \"type\": \"folder\",                    \"id\": \"88535556629\",                    \"sequence_id\": \"0\",                    \"etag\": \"0\",                    \"name\": \"T01\"                }            ]        },        \"created_at\": \"2019-09-30T02:27:41-07:00\",        \"modified_at\": \"2019-09-30T02:27:41-07:00\",        \"trashed_at\": null,        \"purged_at\": null,        \"content_created_at\": \"2019-09-30T00:34:07-07:00\",        \"content_modified_at\": \"2019-09-30T00:34:07-07:00\",        \"created_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"modified_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"owned_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"shared_link\": null,        \"parent\": {            \"type\": \"folder\",            \"id\": \"88613793662\",            \"sequence_id\": \"0\",            \"etag\": \"0\",            \"name\": \"T01\"        },        \"item_status\": \"active\"    },    \"additional_info\": []}".getBytes(UTF_8);
        byte[] datas2="2019-12-09T02:27:42-07:00".getBytes(UTF_8);

        byte[] results=MACCoder.HMAC_SHA(datas1,datas2);
        String str=Base64.encode(results);
        System.out.println(str);*/

        String str1="{    \"type\": \"webhook_event\",    \"id\": \"3b8800b1-c416-4e65-aaf2-00b16bbadfc1\",    \"created_at\": \"2019-09-30T02:27:41-07:00\",    \"trigger\": \"FILE.UPLOADED\",    \"webhook\": {        \"id\": \"232295281\",        \"type\": \"webhook\"    },    \"created_by\": {        \"type\": \"user\",        \"id\": \"8571226476\",        \"name\": \"sv ecld-tms-scom-t01\",        \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"    },    \"source\": {        \"id\": \"532443758714\",        \"type\": \"file\",        \"file_version\": {            \"type\": \"file_version\",            \"id\": \"563691410130\",            \"sha1\": \"1a9f9f000a2c1fe998510028b9a25da013fde0fd\"        },        \"sequence_id\": \"0\",        \"etag\": \"0\",        \"sha1\": \"1a9f9f000a2c1fe998510028b9a25da013fde0fd\",        \"name\": \"0301_JP_20190924205001.csv\",        \"description\": \"\",        \"size\": 105,        \"path_collection\": {            \"total_count\": 2,            \"entries\": [                {                    \"type\": \"folder\",                    \"id\": \"0\",                    \"sequence_id\": null,                    \"etag\": null,                    \"name\": \"All Files\"                },                {                    \"type\": \"folder\",                    \"id\": \"88535556629\",                    \"sequence_id\": \"0\",                    \"etag\": \"0\",                    \"name\": \"T01\"                }            ]        },        \"created_at\": \"2019-09-30T02:27:41-07:00\",        \"modified_at\": \"2019-09-30T02:27:41-07:00\",        \"trashed_at\": null,        \"purged_at\": null,        \"content_created_at\": \"2019-09-30T00:34:07-07:00\",        \"content_modified_at\": \"2019-09-30T00:34:07-07:00\",        \"created_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"modified_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"owned_by\": {            \"type\": \"user\",            \"id\": \"8571226476\",            \"name\": \"sv ecld-tms-scom-t01\",            \"login\": \"sv-ecld-tms-scan-t01@rakuten.com\"        },        \"shared_link\": null,        \"parent\": {            \"type\": \"folder\",            \"id\": \"88613793662\",            \"sequence_id\": \"0\",            \"etag\": \"0\",            \"name\": \"T01\"        },        \"item_status\": \"active\"    },    \"additional_info\": []}";
        String str2="2019-12-09T02:27:42-07:00";
        String str=getHmacSHA256FingerPrint(str1,str2);
        System.out.println(str);
    }
}

输出:

9Fck1jx9XL0LbKoJrP80qncEWvsuniI94aWRr1Fvi7I=