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javascript - php的md5加密方式和js的md5加密方式是否一样

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Jun 06, 2016 pm 08:39 PM

javascriptphpencrypt and decode

如题若不一样该怎样用php翻写javascipt的md5加密方式

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如题若不一样该怎样用php翻写javascipt的md5加密方式

首先你的了解md5时干什么用的。你可以参考google活着我的这篇文章：http://segmentfault.com/blog/liangyi/1190000002409125

总的来说：md5是一种信息的摘要算法，它是和具体语言无关的。你可以用java、php或者javascript都可以实现，md5的值是根据信息是否发生改变而改变的。对于同一段信息，用上面的语言计算出来的值应该是一样的。不一样那说明他们对算法的实现不一样。

js哪来的md5，都是第三方实现的

话说回来，既然都叫做md5，算法肯定是一样的，无非是返回的数据值类型可能会存在差异

md5的计算结果是128bit散列值，某些Java库返回的就是16个字节的Byte数组(8bit=1Byte)，而大部分标准md5实现都是直接返回这16个字节的Hex表示形式，即32个16进制数字拼起来的字符串。

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