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Devil Lu Linvega

A tiny(220 bytes) checksum program for your #uxn rom needs, originally written by @d6.

Checksum is a number that is unique to a file based on its content, so any change in that number, will change the checksum result. It's useful to find out if a file, during a transaction, was changed or damaged in some way.

git.sr.ht/~rabbits/sketches/tr

4 comments
narF 🎲

@neauoire wait, on peut lancer des apps de uxn direct dans le CLI sur Linux?!

[DATA EXPUNGED]
Devil Lu Linvega

@narF Ah oui, y'a une version de l'emulateur qui est juste cli, c'est ca que j'utilise pour assembler les roms, et builder mon wiki par example.

git.sr.ht/~rabbits/uxn11/tree/

Max Cahill

@neauoire @d6 fwiw while this is good and tiny stuff is important you do definitely want to be careful what you use it for. checksums are often used in a security context and are really easy to screw up in problematic ways.
Gonna pick up random damage? probably.
Tampering (eg if this were used in a p2p filesharing context), probably not.

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