KECCAK-224SUM(1)

💅 keccak-224sum — bestie edition ✨

okay so this is the keccak-224sum page from the General Commands Manual, and honestly? it's giving "tiny tool, big brain energy." she computes and checks Keccak-224 message digests and she does it flawlessly. no cap. 🫶

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🌸 NAME 🌸

keccak-224sum — compute and check Keccak-224 message digests 💖

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✨ SYNOPSIS ✨

keccak-224sum [-u | -l | -b | -c] [-R rate] [-C capacity] [-N output-
size] [-S state-size] [-W word-size] [-Z squeeze-count] [-vxz]
[file ...]

like yes, that's a lot of brackets, but stay with me bestie, we're gonna go through every single one. 🔥

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🎀 DESCRIPTION 🎀

She prints or checks Keccak-224 checksums. that's the whole vibe. if you hand her no file at all, or if the file is literally -, she reads standard input instead. simple as that. 🦋

• -u — output checksums in upper-case hexadecimal representation. LOUD hex. screaming hex. iconic. 👑
• -l — output checksums in lower-case hexadecimal representation. this is the default, so she's already doing it. lowercase rights. 🌸
• -b — output checksums in binary representation. heads up though: this suppresses the filenames and the checksum delimiters, so literally only the checksums get printed. just the raw vibes, nothing else. 💀
• -c — read Keccak-224 sums from the file and check them against the files on your system. the input files should be formatted as the output of this program, or something similarly shaped. ⚠️ important caveat: this is not going to work if any of the filenames in the input file start with a regular space or a horizontal tab, or if they contain a line feed, carriage return, or form feed — unless you also use -z. so yeah, watch out for that. 🙈
• -v — print the hashing parameters. she'll tell you what she's working with. transparency queen. 🧚
• -x — convert input files from hexadecimal form to binary form before calculating the checksums. transformation moment. ✨
• -z — lines end with NUL instead of LF. and if you use it with -c, it applies to the read files (not the output) — but it also kicks in more strict parsing and allows any whitespace in file names. so it's stricter AND more permissive at the same time, which is honestly such a mood. 💅

🌈 the hashing-parameters options 🌈

these next ones change the actual hashing parameters. yes, you can just... do that. ⭐

• -R rate — change the rate. ⚡
• -C capacity — change the capacity. 🍓
• -N, -O output-size — change the output size. (-O is her lil alias, slay.) 💖
• -S, -B state-size — change the state size. 💜
• -W word-size — change the word size. 🎀
• -Z squeeze-count — change the number of squeezes that is performed. squeeze. 🧚

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💀 EXIT STATUS 💀

• 0 — successful completion. we ate. 🔥
• 1 — checksums did not match, or a file did not exist. 😭 it happens bestie.
• 2 — an error occurred. the other kind of bad. 💀

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🫶 AUTHORS 🫶

Mattias Andrée <m@maandree.se> — the mastermind, the main character. 👑

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⚠️ NOTES ⚠️

okay so real talk for a sec. 🫶

All commands in the sha3sum package allow changing the hashing parameters. however — and this is the important part — it is only intended to be used with keccaksum(1), or if you know what you are doing. like, actually know. not "I read half a blog post" know. 💀

the exception is -N, which is intended to always be used with shake128sum(1), shake256sum(1), shake512sum(1), rawshake128sum(1), rawshake256sum(1), and rawshake512sum(1). that one's the designated bestie of the shake family. 🌊✨

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lowkey the takeaway is: default behaviour = chef's kiss, changing parameters = proceed with intention and good vibes only. 💅

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and that's the page!! mwah 💖 this lil manual comes to you courtesy of SHA3SUM, and the page itself is KECCAK-224SUM(1) — see you in the group chat, bestie. 🎀🦋✨