How to write more secure code?
Post date: 2019-03-21 04:35:30
Views: 258
No matter how fancy the password checking scheme is, or how many encryption steps it involves, isn't there usually a single "if" statement somewhere? If so, other security vulnerabilities could allow that to be overwritten pretty simply, to skip the check. How could code be written more securely?

I don't usually write high-security stuff, so maybe there are already well-known solutions that are used by ssh or pam or whatever. If so, I'd like to know about them.

Certainly, a well-written program will have no buffer overflows, so the code will not be alterable in memory. But it seems like it'd be safer if the basic security mechanisms still functioned even if some other part of the system is written poorly.
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