mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-28 11:40:11 +03:00
215 lines
5.3 KiB
Plaintext
215 lines
5.3 KiB
Plaintext
/+ primitive-rsa, *pkcs
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=* rsa primitive-rsa
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|%
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:: +en-base64url: url-safe base64 encoding, without padding
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::
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++ en-base64url
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~(en base64:mimes:html | &)
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:: +de-base64url: url-safe base64 decoding, without padding
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::
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++ de-base64url
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~(de base64:mimes:html | &)
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:: |octn: encode/decode unsigned atoms as big-endian octet stream
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::
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++ octn
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|%
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++ en |=(a=@u `octs`[(met 3 a) (swp 3 a)])
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++ de |=(a=octs `@u`(rev 3 p.a q.a))
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--
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:: +eor: explicit sort order comparator
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::
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:: Lookup :a and :b in :lit, and pass their indices to :com.
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::
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++ eor
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|= [com=$-([@ @] ?) lit=(list)]
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|= [a=* b=*]
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^- ?
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(fall (bind (both (find ~[a] lit) (find ~[b] lit)) com) |)
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:: +en-json-sort: json encoding with sorted object keys
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::
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:: XX move %zuse with sorting optional?
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::
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++ en-json-sort :: XX rename
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|^ |=([sor=$-(^ ?) val=json] (apex val sor ""))
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:: :: ++apex:en-json:html
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++ apex
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=, en-json:html
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|= [val=json sor=$-(^ ?) rez=tape]
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^- tape
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?~ val (weld "null" rez)
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?- -.val
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%a
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:- '['
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=. rez [']' rez]
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!.
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?~ p.val rez
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|-
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?~ t.p.val ^$(val i.p.val)
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^$(val i.p.val, rez [',' $(p.val t.p.val)])
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::
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%b (weld ?:(p.val "true" "false") rez)
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%n (weld (trip p.val) rez)
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%s
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:- '"'
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=. rez ['"' rez]
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=+ viz=(trip p.val)
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!.
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|- ^- tape
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?~ viz rez
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=+ hed=(jesc i.viz)
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?: ?=([@ ~] hed)
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[i.hed $(viz t.viz)]
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(weld hed $(viz t.viz))
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::
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%o
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:- '{'
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=. rez ['}' rez]
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=/ viz
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%+ sort ~(tap by p.val)
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|=((pair) (sor (head p) (head q)))
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?~ viz rez
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!.
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|- ^+ rez
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?~ t.viz ^$(val [%s p.i.viz], rez [':' ^$(val q.i.viz)])
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=. rez [',' $(viz t.viz)]
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^$(val [%s p.i.viz], rez [':' ^$(val q.i.viz)])
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==
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--
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:: %/lib/jose
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::
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:: |jwk: json representations of cryptographic keys (rfc7517)
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::
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:: Url-safe base64 encoding of key parameters in big-endian byte order.
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:: RSA-only for now
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::
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++ jwk
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|%
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:: |en:jwk: encoding of json cryptographic keys
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::
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++ en
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=> |%
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:: +numb:en:jwk: base64-url encode big-endian number
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::
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++ numb (corl en-base64url en:octn)
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--
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|%
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:: +pass:en:jwk: json encode public key
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::
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++ pass
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|= k=key:rsa
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^- json
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[%o (my kty+s+'RSA' n+s+(numb n.pub.k) e+s+(numb e.pub.k) ~)]
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:: +ring:en:jwk: json encode private key
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::
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++ ring
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|= k=key:rsa
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^- json
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~| %rsa-need-ring
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?> ?=(^ sek.k)
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:- %o %- my :~
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kty+s+'RSA'
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n+s+(numb n.pub.k)
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e+s+(numb e.pub.k)
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d+s+(numb d.u.sek.k)
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p+s+(numb p.u.sek.k)
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q+s+(numb q.u.sek.k)
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==
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--
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:: |de:jwk: decoding of json cryptographic keys
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::
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++ de
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=, dejs-soft:format
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=> |%
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:: +numb:de:jwk: parse base64-url big-endian number
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::
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++ numb (cu (cork de-base64url (lift de:octn)) so)
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--
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|%
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:: +pass:de:jwk: decode json public key
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::
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++ pass
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%+ ci
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=/ a (unit @ux)
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|= [kty=@t n=a e=a]
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^- (unit key:rsa)
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=/ pub (both n e)
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?~(pub ~ `[u.pub ~])
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(ot kty+(su (jest 'RSA')) n+numb e+numb ~)
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:: +ring:de:jwk: decode json private key
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::
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++ ring
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%+ ci
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=/ a (unit @ux)
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|= [kty=@t n=a e=a d=a p=a q=a]
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^- (unit key:rsa)
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=/ pub (both n e)
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=/ sek :(both d p q)
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?:(|(?=(~ pub) ?=(~ sek)) ~ `[u.pub sek])
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(ot kty+(su (jest 'RSA')) n+numb e+numb d+numb p+numb q+numb ~)
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--
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:: |thumb:jwk: "thumbprint" json-encoded key (rfc7638)
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::
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++ thumb
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|%
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:: +pass:thumb:jwk: thumbprint json-encoded public key
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::
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++ pass
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|= k=key:rsa
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(en-base64url 32 (shax (crip (en-json-sort aor (pass:en k)))))
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:: +ring:thumb:jwk: thumbprint json-encoded private key
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::
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++ ring !!
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--
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--
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:: |jws: json web signatures (rfc7515)
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::
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:: Note: flattened signature form only.
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::
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++ jws
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|%
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:: +sign:jws: sign json value
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::
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++ sign
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|= [k=key:rsa pro=json lod=json]
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|^ ^- json
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=. pro header
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=/ protect=cord (encode pro)
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=/ payload=cord (encode lod)
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:- %o %- my :~
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protected+s+protect
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payload+s+payload
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signature+s+(sign protect payload)
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==
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:: +header:sign:jws: set signature algorithm in header
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::
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++ header
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?> ?=([%o *] pro)
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^- json
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[%o (~(put by p.pro) %alg s+'RS256')]
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:: +encode:sign:jws: encode json for signing
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::
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:: Alphabetically sort object keys, url-safe base64 encode
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:: the serialized json.
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::
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++ encode
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|= jon=json
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%- en-base64url
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%- as-octt:mimes:html
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(en-json-sort aor jon)
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:: +sign:sign:jws: compute signature
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::
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:: Url-safe base64 encode in big-endian byte order.
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::
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++ sign
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|= [protect=cord payload=cord]
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=/ msg=@t (rap 3 ~[protect '.' payload])
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=/ sig=@ud (~(sign rs256 k) (met 3 msg) msg)
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=/ len=@ud (met 3 n.pub.k)
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(en-base64url len (rev 3 len sig))
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--
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:: +verify:jws: verify signature
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::
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++ verify !!
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--
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--
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