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Create a string that contains random characters (programming.dev)
submitted 1 year ago by to c/cpp@programming.dev
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Hi! ✌️ I need to generate some string in C++ with random characters that can use all letters from "a" to "z" (include capital letters), and all numbers from 0 to 9 there.

And for examples this should looks somehow like this:

SnHXAsOC5XDYLgiKM5ly

Also I want to encrypt that string then by itself:

SnHXAsOC5XDYLgiKM5ly encrypt with SnHXAsOC5XDYLgiKM5ly key.

So, how can I do this in C++? 🤔

Thanks in advance!

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[–] 2 points 1 year ago (4 children)

You could take inspiration from Theodore Tso's pwgen: https://github.com/tytso/pwgen

It's a Unix utility in C commonly used on Linux and FreeBSD to make truly random passwords. It's the first thing I thought of when reading this.

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