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 www.libpng.org
PNG (Portable Network Graphics) Specification
| | hjr265.me
Hiding Files in ZIP Archives ยท hjr265.me
11.9 parsecs away

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| | I remember seeing a tool many years ago that could hide other files in BMP image files. I was a bit too young to understand how it worked, but I think I understand the trick now: Understand the structure of the file type at the byte level. Find a spot that can hold an arbitrary length of data. Sneak in whatever you want in there. As a proof of concept, I used Go to make Sneak - a program to add or extract a hidden file in a ZIP archive.
| | codeplusplus.blogspot.com
Code++: Quark file format
13.2 parsecs away

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| | This is the file format used by Quark Copydesk. The file is broken into chunks. Each chunk is exactly 256 bytes long. Chunks are identifie...
| | httpwg.org
RFC 9113: HTTP/2
7.1 parsecs away

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| | This specification describes an optimized expression of the semantics of the Hypertext Transfer Protocol (HTTP), referred to as HTTP version 2 (HTTP/2). HTTP/2 enables a more efficient use of network resources and a reduced latency by introducing field compression and allowing multiple concurrent exchanges on the same connection. This document obsoletes RFCs 7540 and 8740.
| | cbloomrants.blogspot.com
cbloom rants: 05-18-09 - Lagrange Space-Speed Optimization
18.5 parsecs away

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| We just did an interesting thing at RAD that's kind of related to what I've been writing about. A while ago Dmitry Shkarin (ppmii inven...