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php给url中汉字加密后,但是随着字数的增加,加密字符串也不断的增加,想让加密字符的长度固定,有什么好的方法?
学习是最好的投资!
办法很多呀 md5 , sha1 ... 只要你不想解密~
md5
sha1
md5不就是固定长度的么
rc4 长度等于被加密字符长度
办法很多呀
md5
,sha1
... 只要你不想解密~md5不就是固定长度的么
rc4 长度等于被加密字符长度