Zhenzhen Zhan zhanzhenzhen
zhanzhenzhen
/ gist:4d4a17fa7b2784729723
Last active
August 29, 2015 14:03
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| a = /// | |
| jfsld afjskld # jgidroj | |
| fjalsk#{jf}djlk | |
| /// | |
| b= "jfkalsdj" | |
| c= /jafkldsj/ |
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| ### | |
| Copyright(c) Zhenzhen Zhan | |
| MIT License | |
| Why use SHA-256? Is it OK to use CRC32? My answer is: | |
| The reason is for security. There's a potential issue if we use a weak checksum algorithm. | |
| If the tests include "get info from the web", then attackers may have the ability to affect the units' | |
| true/false results that lead to the same checksum. | |
| These are "user"-caused collisions, which need to be avoided logically. In contrast, |