[請益] 線上排名系統的反作弊機制
這年頭流行什麼東西都要線上排名或是來個成就系統綁帳號
然而伺服器端要怎麼知道接收到的資料真的是透過客戶端程式傳送
而不是某個厲害的 User 假造的資料呢?
我目前是有兩個想法
1. 將資料跟某個密鑰混在一起做 hash ,接收時檢查 hash 是否正確
2. 將資料用 RSA 之類的非對稱加密,到伺服器端才解密
同時配合 user-agent string 檢查之類的輔助手段
前者是客戶端程式得要儲存簽名用的key,感覺不太穩當
後者實作起來(好像)很麻煩,而且我不確定要不要繳保護費給 RSA...
請問有其他穩當的作法嗎?
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