Luke Sheppard's blog about information security, web development, and hacking 

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Books About Software Development and Programming

 
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Reading about C pointers and such

Pointers in the C language have tortured a few generations of programmers by now. But they are also one of the most useful, powerful, and important parts of the language.

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SHA1 Hashes of Very Large Files

SHA-1 has been widely disparaged for security reasons, but it is just fine for checking file integrity. But like all things in computer science, when the files get really large

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Verifying a Checksum…Forever

Recently, I finally bothered to learn the proper way to verify checksums via command line instead of just eyeballing checksum output compared with the checksum supplied with the file. Lets

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