Could someone knowledgable reply with the steps a grandpa will take to calculate the hash of a twtxt from the CLI, using out-of-the-box tools? I swear I read about it somewhere, but can’t find it.
@quark@ferengi.one Watch TV at the moment so unsure about “out of the box tools” but there are 3 implementations on the spec page https://dev.twtxt.net/doc/twthashextension.html
@prologic@twtxt.net I saw those, yes. I tried using yarnc, and it would work for a simple twtxt. Now, for a more convoluted one it truly becomes a nightmare using that tool for the job. I know there are talks about changing this hash, so this might be a moot point right now, but it would be nice to have a tool that:
- Would calculate the hash of a twtxt in a file.
- Would calculate all hashes on a
twtxt.txt(local and remote).
Again, something lovely to have after any looming changes occur.
@quark@ferengi.one Do you mean something like this?
$ ./yarnc debug ~/Public/twtxt.txt | tail -n 1
kp4zitq 2024-09-08T02:08:45Z (#wsdbfna) @<aelaraji https://aelaraji.com/twtxt.txt> My work has this thing called "compressed work", where you can **buy** extra time off (_as much as 4 additional weeks_) per year. It comes out of your pay though, so it's not exactly a 4-day work week but it could be useful, just haven't tired it yet as I'm not entirely sure how it'll affect my net pay
FWIW the standard UNIX tools for Blake2b are openssl and b2sum – Just trying to figure out how to make a shell pipeline again (if you really want that); as tools keep changing god damnit 🤣
It would appear that the blake2b 256bit digest algorithm is no longer supported by the openssl tool, however blake2s256 is; I’m not sure why 🤔
$ echo -n "https://twtxt.net/user/prologic/twtxt.txt\n2020-07-18T12:39:52Z\nHello World! 😊" | openssl dgst -blake2s256 -binary | base32 | tr -d '=' | tr 'A-Z' 'a-z' | tail -c 7
zq4fgq
Obviously produce the wrong hash, which should be o6dsrga as indicated by the yarnc hash utility:
$ yarnc hash -u https://twtxt.net/user/prologic/twtxt.txt -t 2020-07-18T12:39:52Z "Hello World! 😊"
o6dsrga
But at least the shell pipeline is “correct”.
@prologic@twtxt.net I just realised the jenny also does what I want, as of latest commit. Simply use jenny --debug-feed <feed url>, and it will do what I wanted too!
@aelaraji@aelaraji.com odd, I ran it under Ubuntu 24.04, and got the same result as @prologic@twtxt.net (which is on macOS), zq4fgq.
@aelaraji@aelaraji.com Looks like your shell didn’t turn the \n into actual newlines:
$ echo -n "https://twtxt.net/user/prologic/twtxt.txt\n2020-07-18T12:39:52Z\nHello World! 😊" | openssl dgst -blake2s256 -binary | base32 | tr -d '=' | tr 'A-Z' 'a-z' | tail -c 7
zq4fgq
$ printf "https://twtxt.net/user/prologic/twtxt.txt\\n2020-07-18T12:39:52Z\\nHello World! 😊" | openssl dgst -blake2s256 -binary | base32 | tr -d '=' | tr 'A-Z' 'a-z' | tail -c 7
p44j3q