Re: How to convert a md5sum back to a timestamp?

[Kaz Kylheku (Coreutils)]

On 2019-07-31 20:36, Peng Yu wrote:
> Hi,
>
> Suppose that I know a md5sum that is derived one of the timestamps
> computed below. Is there a way to quickly derive what the original
> timestamp is? I could make a database of all the timestamps and their
> md5sums. But as the total number of entries increases, this solution
> will not be scalable as the database can be big. Is it there any
> better solution to this problem?
>
> for i in {1..2563200}; do date -d "-$i minutes" +%Y%m%d_%I%M%p; done

The solution to this is to back up several levels in whatever you are
working on, and restructure the approach to the real problem in such a
way that the flowchart box which says "And here we just crack MD5 sums" 
is
somehow eliminated.