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Better factoring

This commit is contained in:
Tony Garnock-Jones 2023-01-19 16:30:30 +01:00
parent 5d368fed95
commit 8e72496c21
1 changed files with 35 additions and 32 deletions
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67
syndicate-noise/syndicate/distributed/noise.rkt
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@ -42,14 +42,23 @@
(noise* #:role 'initiator
#:service-selector service-selector
#:remote-static-pk remote-static-pk
#:acceptor-ref acceptor-ref
#:import import-handler
#:preshared-keys psks
#:pattern pattern))
#:pattern pattern
(lambda (set-peer-session! handle-message)
(at acceptor-ref
(assert (Connect service-selector
(object #:name 'noise-initiator
[#:asserted (Accept responder-session)
(set-peer-session! responder-session)
#:retracted
(stop-current-facet)]
[#:message m (handle-message m)])))))))
(define (noise-responder #:service-selector service-selector
#:static-keypair static-keypair
#:export initial-ref
#:initiator-session initiator-session
#:preshared-keys [psks #f]
#:pattern [pattern #f])
(noise* #:role 'responder
@ -57,17 +66,22 @@
#:static-keypair static-keypair
#:export initial-ref
#:preshared-keys psks
#:pattern pattern))
#:pattern pattern
(lambda (set-peer-session! handle-message)
(set-peer-session! initiator-session)
(at initiator-session
(assert (Accept (object #:name (list 'noise-responder initial-ref initiator-session)
[#:message m (handle-message m)])))))))
(define (noise* #:role role
#:service-selector service-selector
#:static-keypair [static-keypair #f]
#:remote-static-pk [remote-static-pk #f]
#:acceptor-ref [acceptor-ref #f]
#:export [initial-ref #f]
#:import [import-handler #f]
#:preshared-keys [psks #f]
#:pattern [pattern #f])
#:pattern [pattern #f]
f)
(define H (Noise-*-25519_ChaChaPoly_BLAKE2s
(or pattern "NK")
#:role role
@ -114,23 +128,7 @@
(set! peer-session session)
(when (eq? role 'initiator) (handshake-step)))
(match role
['initiator
(at acceptor-ref
(assert (Connect service-selector
(object #:name 'noise-initiator
[#:asserted (Accept responder-session)
(set-peer-session! responder-session)
#:retracted
(stop-current-facet)]
[#:message m (handle-message m)]))))]
['responder
(object #:name (list 'noise-acceptor initial-ref)
[(Connect (== service-selector) initiator-session)
(set-peer-session! initiator-session)
(at initiator-session
(assert (Accept (object #:name (list 'noise-responder initial-ref initiator-session)
[#:message m (handle-message m)]))))])]))
(f set-peer-session! handle-message))
(module+ test
(require libsodium)
@ -140,19 +138,24 @@
(spawn #:name 'test-main
(define server-keys (make-crypto-box-keypair))
(define acceptor
(noise-responder #:service-selector 'test-service
#:static-keypair server-keys
#:export (object [a
(printf "service+: ~v\n" a)
(on-stop (printf "service-: ~v\n" a))]
[#:message m
(printf "service!: ~v\n" m)
(stop-current-facet)])))
(define service-object
(object [a
(printf "service+: ~v\n" a)
(on-stop (printf "service-: ~v\n" a))]
[#:message m
(printf "service!: ~v\n" m)
(stop-current-facet)]))
(at ds
(during (Connect 'test-service $initiator-session)
(noise-responder #:service-selector 'test-service
#:static-keypair server-keys
#:initiator-session initiator-session
#:export service-object)))
(noise-initiator #:service-selector 'test-service
#:remote-static-pk (crypto-box-keypair-pk server-keys)
#:acceptor-ref acceptor
#:acceptor-ref ds
#:import (lambda (r)
(on-stop (printf "BYEEEE\n"))
(at r (assert "HELLO!"))