攻击者可以简单地修改与修改数据一起发送的哈希发送的数据吗？
我尝试在谷歌上搜索与此相关的内容，但我找不到任何内容。
攻击者难道不能将修改后的数据的哈希值发送给接收者吗？我假设接收者只是通过算法运行哈希，并且由于哈希与数据匹配（尽管是修改后的数据），接收者只会继续说“好吧，该数据尚未修改”。 我认为哈希比这复杂得多，但这只是我开始学习哈希以来一直存在的一个问题，我想解决它。
I tried searching on Google for something touching on this but I couldn't find anything.
Couldn't an attacker just send along the hash of their modified data to the receiver? I assume that the receiver would just run the hash through the algorithm, and since the hash matches the data (albeit the modified data), the receiver would just go ahead and say "Okay, this data has been unmodified".
I suppose that hashing is a lot more complicated than this, but it was just a question that's been in my mind since I started learning about hashing, and I would like to address it.
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