mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-24 15:34:10 +03:00
1cc388c42f
If we received a graph-node with that was signed by a past or future life of a ship, then we would potentially crash scrying for the public keys. Now, if there is a mismatch between lives, we simply no-op and treat the signature as valid.
54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
/- post
|
|
^?
|
|
=< [post .]
|
|
=, post
|
|
|%
|
|
++ jael-scry
|
|
|* [=mold our=ship desk=term now=time =path]
|
|
.^ mold
|
|
%j
|
|
(scot %p our)
|
|
desk
|
|
(scot %da now)
|
|
path
|
|
==
|
|
++ sign
|
|
|= [our=ship now=time =hash]
|
|
^- signature
|
|
=+ (jael-scry ,=life our %life now /(scot %p our))
|
|
=+ (jael-scry ,=ring our %vein now /(scot %ud life))
|
|
:+ `@ux`(sign:as:(nol:nu:crub:crypto ring) hash)
|
|
our
|
|
life
|
|
::
|
|
++ is-signature-valid
|
|
|= [our=ship =signature =hash now=time]
|
|
^- ?
|
|
=+ (jael-scry ,lyf=(unit @) our %lyfe now /(scot %p q.signature))
|
|
:: we do not have a public key from ship at this life
|
|
::
|
|
?~ lyf %.y
|
|
?. =(u.lyf r.signature) %.y
|
|
=+ %: jael-scry
|
|
,deed=[a=life b=pass c=(unit @ux)]
|
|
our %deed now /(scot %p q.signature)/(scot %ud r.signature)
|
|
==
|
|
?. =(a.deed r.signature) %.y
|
|
:: verify signature from ship at life
|
|
::
|
|
=/ them
|
|
(com:nu:crub:crypto b.deed)
|
|
=(`hash (sure:as.them p.signature))
|
|
::
|
|
++ are-signatures-valid
|
|
|= [our=ship =signatures =hash now=time]
|
|
^- ?
|
|
=/ signature-list ~(tap in signatures)
|
|
|-
|
|
?~ signature-list
|
|
%.y
|
|
?: (is-signature-valid our i.signature-list hash now)
|
|
$(signature-list t.signature-list)
|
|
%.n
|
|
--
|