A look in the mirror: attacks on package managers
Proceedings of the 15th ACM conference on Computer and communications security
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This paper explains the needs for a binary patch and update system, and explains the background and implementation of NetBSD-update, a binary update facility for NetBSD. The implementation is then analysed, and some lessons drawn for others who may be interested in implementing their own binary update system using the NetBSD pkgsrc tools, which are available for many operating systems and environments already.