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PHP中crc32函数怎么用来校验数据

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Jun 13, 2016 pm 01:22 PM

crcphpssl

PHP中crc32函数如何用来校验数据？
RT，如果不能，PHP有其他方法检查数据吗？

------解决方案--------------------
随便什么哈希算法都行啊，CRC（数据）得到一个指纹，把数据和指纹一起发给对方，对方同样CRC（数据）得到一个指纹，和你发给他的指纹一比较不就知道传输途中是否篡改了吗？

另外，校验数据的前提是数据传输过程中没人知道，没人偷听与篡改你们的通信链路，那怎么办？当然是SSL了。

SSL+CRC才叫完整的校验。

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