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https://github.com/ilyakooo0/urbit.git
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105 lines
2.2 KiB
Plaintext
105 lines
2.2 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
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^- @
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%- (argon2-urbit:argon2:crypto 32)
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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=@ 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 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 sis=(set ship) pass=(unit @t) revs=revisions]
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=+ owner-seed=(argon2u ticket)
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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=@ux sis=(set ship) pass=(unit @t) revs=revisions]
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=+ dr=~(. sd pass)
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=+ cn=|=([s=@ m=meta] (child-node-from-seed s m pass))
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::
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:- ^= owner ^- node
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:+ *meta 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 seed.manage m)
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[m 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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++ wallet
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|= seed=@ux
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^- ^wallet
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=> (from-seed:bip32 32^seed)
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[public-key private-key chain-code]
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::
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++ urbit
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|= seed=@ux
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^- edkeys
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=+ =< [pub=pub:ex sec=sec:ex]
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(pit:nu:crub:crypto 256 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=@ux meta]
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^- @ux
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=/ salt=tape
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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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%- sha-256l
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:- (add 32 (lent salt))
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(cat 3 (crip (flop salt)) seed)
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--
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--
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