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加解密(Encryption)& 哈希(Hash)算法
Hash主要被用来做数字签名、数据校验(CRC、SHA、MD5) 对称加密是最古老的一种加密方式,从最古老的基于查表替换的“凯撒密码”到现代的AES等算法,都是这种类型。其核心特点在于加密、解密的密钥是一样的(或可以互相通过算法变换的)。这种算法很容易 ...
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