Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > body text

PHP中crc32函数怎么用来校验数据

WBOY
Release： 2016-06-13 13:22:58
Original
1789 people have browsed it

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。

Related labels：
crc php ssl
source：php.cn
Previous article： PHP能连接数据库但是不能create database,如何解决 Next article： 有没有lamp一体安装包？该如何解决
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
2026
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
11
2188
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1845
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1736
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1758
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template