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High-performance safe software

Name: Anonymous 2014-12-30 13:16

So called "safe languages" are shit because they are slower than C, so you end up giving away performance. How to avoid this performance-security trade off?

Follow seL4's example.
Verify the software through formal mathematical proof using a theorem prover (such as Agda, Coq, Isabelle, etc.). This will assure that the specification of a piece of software has certain properties and, then, that a design (in C) implements a specification correctly. In recent years, it has become possible to apply formal verification directly to the code that implements the software and to show that this code has specific properties.

In other words, you get a C program (high-performance) that is mathematically shown to have no buffer overflows, null pointer exceptions, use-after-free, or anything else you designed in the theorem prover.

Name: Anonymous 2015-01-01 11:41

Last time I already tried to prove PHP can do anything when it comes to network protocols by implementing a DNS server. This time I’m doing it again with a server-side implementation of the SSH2 protocol.

You probably know SSH at least by its name. It’s a of secure telnet replacement which also allows many other things such as port forwarding, remote file management (with sftp) and more.

With PHP I could write a fully working SSH server in only 3 days.

https://web.archive.org/web/20140102104411/http://blog.magicaltux.net/2010/06/27/php-can-do-anything-what-about-some-ssh

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