A signature should be small. This article considers a DS implementation example for binary file integrity checking in Linux (64-bit ELF). We will use a direct DS when only a sender and a recipient are ...

There are many ways to update an embedded system in the field. Images can fly through the air one a time, travel by sneaker or hitch a ride on other passing data. OK, maybe that’s a stretch, but there ...

Linux systems support a number of file editors – like vi, vim, neovim, ne, GNU Emacs etc. But you can also install an editor that allows you to view the contents of and make changes to binary ...