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shinohai: ./ticker btc eur
btcinfobot: Current BTC price in EUR: 6602.16
shinohai: of possible listening pleasure of whaack this morning:
whaack: shinohai: ty! you're doing the lord's work backing this up
shinohai: I've got some other segovia stuff I should prolly upload, all mp4 format so can play in own browser if needed.
whaack: shinohai: where'd you get it? ripping youtube videos or..?
shinohai: yeah i found a link to a yt video on a spanish guitar forum, had never seen that vid before today.
shinohai: yt vids being as fickle as they are, best save a copy of stuff i like *shrugs*
whaack: shinohai: yeah, there was some guy who made a video series on spanish phonetics that I found quite useful. He discussed details I haven't found elsewhere, like how to do the trill'd R after an '/s/' from the previous word. (saying las rodillas quickly is more difficult than just "rodillas".) But the videos all vanished : /
shinohai: Spanish kinda worked best for me just getting out there and holding conversations in it, never really did videos.
whaack: shinohai: weren't you the one who sent me to the butterfly Spanish series? :D
shinohai: i don't remember. i remember watching a few videos, then just leaving univison on in background all the time xD
shinohai: Pentagon Chief of Staff has just resigned. O.o
feedbot: << Qntra -- US "Defense" Secretary's Chief Of Staff Resigns Iraq Threatened With Sanctions For Expelling USG Troops
feedbot: << Loper OS -- "Finite Field Arithmetic." Chapter 20: "Litmus", a Peh-Powered Verifier for GPG Signatures.
shinohai: nice work asciilifeform
asciilifeform: shinohai: it's pretty basic atm.
asciilifeform: defo needs moar test, and found it difficult to test given as apparently i'm the only (?) one who has the sha512 knob set in ye olde gpg
asciilifeform: ( saw no reason to make the thing 10x moar complicated to support the even more rubbish ancient hashes like sha1 )
asciilifeform: it ~does~ make finally possible to run a vtron w/ 0 kockiana inside.
asciilifeform: *koch
asciilifeform: also demonstrates that one can do reasonably readable text processing gadgets w/out python, perl, etc.
asciilifeform: given as it is a sh script, i expect ~someone~ will turn up a sad os where it breaks...
shinohai: so as far as peh tapes go, @RSA-Public-Modulus@ is `N` and @RSA-Public-Modulus@ is the exponent correct?
asciilifeform: shinohai: mno
Apocalyptic: you mean RSA-Public-Exponent for the second right
asciilifeform: shinohai: see ch.6 re basic rsa
asciilifeform: ( or schoolbook )
asciilifeform: rsa sigs in general are computed by taking x = n ^ public_exponent mod public_modulus and comparing x to a specified form, called 'padding'
asciilifeform: in the case of gpg, the form is 'pkcs' and is discussed in the proggy comments.
asciilifeform: ( 'computed' in above, meaning 'verified'. producing the sig is different process, req'd the priv. exponent naturally )
asciilifeform: 'n' in the above is the turd obtained from a gpg sig
asciilifeform: pkcsism is computed by concatenating certain specified (see rcf4880) liquishit to the sha512 hash of the signed file under consideration.
asciilifeform: shinohai, Apocalyptic , and anyone else tuned in -- invited to try the proggy.
shinohai: it actually isnt anything difficult after all, pipe 'n' through sed -E 's/(.{70})/\1\n/g' and saved me most of elbowgrease.
asciilifeform: shinohai: post yer pub
Apocalyptic is far from having a working FFAtron
shinohai: asciilifeform:
asciilifeform: shinohai: it is trickier in the general case, because some folx apparently have been signing with 'subkeys' (and gpg 'helpfully' lies to user, and tells him that he's using '$keyid' regardless)
asciilifeform: shinohai: can haz as comment on article plox
asciilifeform: shinohai: use <pre lang="text" escaped="true"> ...yourthing... </pre>
asciilifeform: err,
asciilifeform: lang="Peh"
shinohai: asciilifeform: will do re; comment. And Apocalyptic: I am quite far behind myself, just couldn't resist taking peek @ this ;)
asciilifeform: exercise for readers : make it go w/ 'clearsign' sigs. (in principle not difficult, i simply haven't gotten to it just yet)
shinohai: grr asciilifeform when posting my thing forgot to escape gt & lt when posting ID
asciilifeform: shinohai: i can fix, 1s
shinohai: kk
asciilifeform: shinohai: done
asciilifeform: this is arguably a bug in the peh colourizer for wp, i'ma fix .
shinohai: ty o7
shinohai: ^ but litmus does work for me, output:
asciilifeform: a++ shinohai
shinohai: (if it matters, pressed using esthlos-v, which does it's job so nicely)
asciilifeform: shinohai: next try it on own key/sigs
asciilifeform: !q seen-anywhere mike_c
snsabot: mike_c last seen in #asciilifeform on 2019-12-27 03:58:15: i have much more reading to do.. thanks for the links ascii.

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