mirror of
https://github.com/ilyakooo0/urbit.git
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116 lines
2.6 KiB
Plaintext
116 lines
2.6 KiB
Plaintext
:: urbit-style key generation and derivation functions
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::
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/- keygen
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::
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/+ bip32
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::
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::
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=, sha
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=, ^keygen
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::
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|%
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++ to-byts
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|= a=@t
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=+ (met 3 a)
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[- (rev 3 - a)]
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::
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++ argon2u
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|= [inp=byts out=@ud]
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^- @
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%- (argon2-urbit:argon2:crypto out)
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[inp (to-byts 'urbitkeygen')]
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::
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++ child-node-from-seed
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|= [seed=byts met=meta pass=(unit @t)]
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^- node
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=+ dr=~(. sd pass)
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=+ child-seed=(seed:dr seed met)
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:+ met dat.child-seed
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(wallet:dr child-seed)
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::
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++ full-wallet-from-ticket
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|= [ticket=byts seed-size=@ud sis=(set ship) pass=(unit @t) revs=revisions]
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=+ owner-seed=seed-size^(argon2u ticket seed-size)
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(full-wallet-from-seed owner-seed sis pass revs)
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::
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++ full-wallet-from-seed
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|= [owner-seed=byts sis=(set ship) pass=(unit @t) revs=revisions]
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=+ dr=~(. sd pass)
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=+ cn=|=([s=byts m=meta] (child-node-from-seed s m pass))
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::
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:- ^= owner ^- node
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:+ *meta dat.owner-seed
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(wallet:dr owner-seed)
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::
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:- ^= delegate
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(cn owner-seed "delegate" delegate.revs ~)
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::
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=/ manage=node
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(cn owner-seed "manage" manage.revs ~)
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:- manage=manage
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::
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:- ^= transfer
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%- ~(rep in sis)
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|= [s=ship n=nodes]
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%+ ~(put by n) s
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(cn owner-seed "transfer" transfer.revs `s)
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::
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:- ^= spawn
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%- ~(rep in sis)
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|= [s=ship n=nodes]
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%+ ~(put by n) s
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(cn owner-seed "spawn" spawn.revs `s)
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::
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^= network
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%- ~(rep in sis)
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|= [s=ship u=uodes]
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%+ ~(put by u) s
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=+ m=["network" network.revs `s]
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=+ s=(seed:dr [wid.owner-seed seed.manage] m)
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[m dat.s (urbit:dr s)]
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::
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++ sd :: seed derivation
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|_ pass=(unit @t)
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++ append-pass
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|= b=byts
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^- byts
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=+ (fall pass '')
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:- (add wid.b (met 3 -))
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(cat 3 (swp 3 -) dat.b)
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::
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++ wallet
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%+ cork append-pass
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|= seed=byts
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^- ^wallet
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=> (from-seed:bip32 64^(sha-512l seed))
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[public-key private-key chain-code]
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::
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++ urbit
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%+ cork append-pass
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|= seed=byts
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^- edkeys
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=+ =< [pub=pub:ex sec=sec:ex]
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(pit:nu:crub:crypto (mul 8 wid.seed) dat.seed)
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:- ^= auth
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:- (rsh 3 1 (end 3 33 pub))
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(rsh 3 1 (end 3 33 sec))
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^= crypt
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:- (rsh 3 33 pub)
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(rsh 3 33 sec)
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::
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++ seed
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|= [seed=byts meta]
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^- byts
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:- wid.seed
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%^ rsh 3 (sub 64 wid.seed)
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%- sha-512l
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%- append-pass
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=+ ;: weld
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typ "-" (a-co:co rev)
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?~(who ~ ['-' (a-co:co u.who)])
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==
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:- (add wid.seed (lent -))
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(cat 3 (crip (flop -)) dat.seed)
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--
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--
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