Commit Graph

46 Commits

Author SHA1 Message Date
Alexander Bondarenko
4c20ff6d00 xftp: negotiate protocol with ALPN (#1047)
* xftp: negotiate protocol with ALPN

* add RFC

* add handshake implementation

* implement extended handshake

* enable authentication

* update rfc

* Apply suggestions from code review

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

* cleanup

* discard trailing data

* cleanup diff

* use find

* rename

* refactor

* add x509 tests

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
2024-04-09 15:03:40 +01:00
Evgeny Poberezkin
c5a5edadf5 rfc: relay metadata and network decentralization (#1056) 2024-03-24 08:51:35 +00:00
Evgeny Poberezkin
b050cf5027 double ratchet versioning for post-quantum encryption (#1025)
* correctly parse new Ratchet fields when omitted

* rfc: migrating connection versions to pqdr

* update rfc

* WIP (dont commit)

* rename versions

* update ratchet version based on PQ encryption feature flag

* remove duplicate function

* synchronize ratchet, fix tests, refactor

* comments

* test

* pattern
2024-03-05 17:07:15 +00:00
Evgeny Poberezkin
e06e22328f agent: quantum-resistant double ratchet encryption (#939)
* doc

* diff

* ratchet header

* types

* ratchet step with PQ KEM, message header with KEM

* comment

* update types, remove Eq instances, store KEM keys to database

* pqx3dh

* PQ double ratchet test

* pqdr tests pass

* fix most tests

* refactor

* allow KEM proposals from both sides

* test names

* agent API parameters to use PQ KEM

* initialize ratchet state for enabling KEM

* fix/test KEM state machine to support disabling/enabling via messages

* more tests

* diff

* diff2

* refactor

* refactor

* refactor

* refactor

* remove Maybe

* rename

* add PQ encryption status to CON, MID and MSG events and sendMessage API results

* different PQ parameter when creating connection

* rename/reorganize types for PQ encryption modes

* rename

* fix testWaitDeliveryTimeout

* rename

* rename2

* ghc8107

* rename

* increase timeouts for concurrent send/receive test

* enable all tests

---------

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>
2024-03-03 19:40:49 +00:00
Evgeny Poberezkin
416f1b1721 smp: command authorization (#982)
* smp: command authorization

* fix encoding, most tests

* remove old tests

* authorize via crypto_box

* extract authenticator to Crypto module

* make TransmissionAuth Maybe

* rfc

* support authenticators in NTF protocol, test matrix (no backwards compatibility yet from new clients to old servers)

* fix/add tests, add version config to "small" agent

* separate client and server versions for SMP protocol

* test batching SMP v7

* do not send session ID in each transmission

* refactor auth verification in the server, split tests

* server "warm up" fixes timing test

* uncomment SUB timing test

* comments, disable two timing tests

* rename version

* increase auth timing test failure threshold

* use different algorithms to authorize snd/rcv commands, use random correlation ID

* transport: fetch and store server certificate (#985)

* THandleParams (WIP, does not compile)

* transport: fetch and store server certificate

* smp: add getOnlinePubKey example to smpClientHandshake

* add server certs and sign authPub

* cleanup

* update

* style

* load server certs from test fixtures

* sign ntf authPubKey

* fix onServerCertificate

* increase delay before sending messages

* require certificate with key in SMP server handshake

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

* remove dhSecret from THandle

* remove v8, merge all changes to one version

* parameterize THandle

* rfc: transmission ecnryption

* Revert "parameterize THandle"

This reverts commit 75adfc94fb.

* use batch syntax for ntf server commands

* separate encodeTransmission when there is no key

* typo

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* rename

* diff

---------

Co-authored-by: Alexander Bondarenko <486682+dpwiz@users.noreply.github.com>
Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>
2024-02-16 11:45:54 +00:00
Alexander Bondarenko
2f7a288280 xftp: add sending and receiving via URI-encoded redirects (#968)
* xftp: add URI encoding for FileDescription

* tweak URI

* allow smaller blocks

* draft xftpReceiveFileFollow' and xftpSendFilePublic'

* add sending with redirect

* allow 64k chunks

* add migrations with redirect fields

* add test case

* fix deadlock

* revert CLI code

* WIP: working send/receive via URI

* fix field ambiguity

* cleanup

* update agent db schema

* update minimal chunk size

* add rfc

* apply suggestions from code review

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

* add createRcvFileRedirect

* extract Simplex.Messaging.ServiceScheme and reuse for files

* update db schema

* check size/digest on receive complete

* cleanup

* use SIZE/DIGEST errors for redirects too

* split digest/size errors from redirect checks

* fix redirect error encoding

* rename RedirectMeta to RedirectFileInfo

* use query encoding for file URI

* group maybe fields under RcvFileRedirect

* add extras field

* update rfc

* add extras encoding and no-redirect tests

* fix toStrict for old ghc

* extra client data in file descr URI

* remove decoded yaml file

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
2024-02-13 14:08:49 +00:00
Evgeny Poberezkin
17f64e1565 docs: URI schemes (#958) 2024-01-12 17:21:57 +00:00
Evgeny Poberezkin
f954c2cd17 rfc: SMP proxies key scope and other considerations (#927)
* rfc: SMP proxies key scope and other considerations

* split line
2023-12-28 23:29:51 +00:00
Evgeny Poberezkin
31f520af05 rfc: message delivery problems (#743)
* rfc: message delivery problems

* update
2023-11-26 12:02:08 +00:00
Evgeny Poberezkin
7c29e2a189 rfc: delivery proxy (#760) 2023-11-26 11:59:57 +00:00
Evgeny Poberezkin
f49607e522 rfc: SMP/XFTP proxies (#844)
* rfc: SMP/XFTP proxies

* update

* update

* update

* add threat model

* correction to encryption layer

* corrections
2023-11-26 11:57:56 +00:00
Alexander Bondarenko
40ba94ce72 remote: add multicast discovery w/ encrypted announce (#895)
* Implement multicast discovery

* replace rcConnectMulticast with explicit discoverRCCtrl

* add multicast source/invitation host check

* remove JSON encoding for multicast invitations

* add specific error for announcing "new" controllers

* rename

* set size, rename

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2023-11-17 17:56:14 +00:00
Evgeny Poberezkin
6a2e6b040e additional lazy crypto for XRCP (#890) 2023-11-10 11:16:43 +00:00
Evgeny Poberezkin
248144f3de do not use previous KEM shared secret in multicast packets and in host HELLO (#888)
* do not use previous KEM shared secret in multicast packets and in host HELLO

* simplify
2023-11-08 12:06:10 +00:00
Alexander Bondarenko
1a8dfb4cbe agent: xrcp implementation for connection via link (no multicast) (#884)
* WIP: start working on connection invites

startSession/OOB is broken now - the port isn't coming from the actualy assigned one.

* Add invite types

* clean old invite-related types

* apply renames

* Move SessionKeys from Invitation

* Stub host-side keys and handle

* move keys and handles to Types

* add Simplex.RemoteControl.Client

* more keys

* progress

* crypto for sessions

* progress to multicast

* multicast crypto

* add RC TLS server

* agent api for remote control

* WIP: tls client

* fix test

* update encoding to include nonce

* add TODO

* update

* Use network-info to find TransportHost

* request and submit tls client certificate

* WIP: add missing bits for testing RC client

* RCEncryptedHello encoding

* add block encoding

* refactor

* validate known host certificate

* remove some spaghetti

* functional API to host/ctrl clients

* refactor connectRCCtrl_

* refactor connectRCHost

* question

* add type

* fix RC session

* update doc

* update doc 2

* add block on confirmation

* remove unused parameter

* export CtrlSessKeys

* export

* fix parsing

* move test of xrcp handshake

* move KEM to HELLO step

* fix JSON

* type

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2023-11-07 13:05:18 +00:00
Evgeny Poberezkin
db1b2f77cd rfc: SimpleX Remote Control protocol v2 (#874)
* rfc: SimpleX Remote Control protocol

* tweak rfc sections

* rfc: SimpleX Remote Control protocol v2

* add session verification

* add alternative design

* add KEM to rfc

* key agreement

* add pad

* pad

* padding

* remove marker from multicast packet

* update

---------

Co-authored-by: Alexander Bondarenko <486682+dpwiz@users.noreply.github.com>
2023-10-31 19:39:42 +00:00
Evgeny Poberezkin
58cb2855d2 agent: delivery receipts (#752)
* rfc: delivery receipts

* update doc

* update rfc

* implementation plan, types, schema

* migration, update types

* update types

* rename migration

* export MsgReceiptStatus, JSON encoding

* update rfc, schema

* correction

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* skeleton of the implementation

* more implementation (some tests fail)

* more code, 1 test fails

* fix encoding

* refactor

* refactor

* test, fix

* only send receipts in v3+, test

* flip condition

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* flip condition

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* agent version 4 required to send receipts

* fix test

---------

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>
2023-07-13 22:33:48 +01:00
spaced4ndy
8be2505fa0 ratchet re-synchronization (#774)
* ratchet re-synchronization rfc wip

* additions

* additions, types

* fix tests

* re-sync implementation wip

* re-sync implementation 1st rev.

* test wip

* test passes

* doc

* wording

* improve doc schema

* single agreed state

* refactor (1 state variable)

* allowed -> required

* prohibit enqueue

* enqueue

* send via multiple queues

* test with server offline

* clarify errors

* rename

* more tests

* refactor

* rename AgentRKey

* rename AM_CONN_RATCHET_KEY

* more tests

* rename

* write encoded AgentRatchetInfo to AgentRatchetKey info

* move withConnLock

* refactor qDuplex

* re-create ratchet on receiving second key

* invert condition

* refactor

* simplify

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2023-06-30 14:17:08 +04:00
Stanislav Dmitrenko
bccef0ba47 files: server and client spike - basic upload/download (#591)
* Files: main, env, stats, storeLog

* Better + transport

* Executable

* Env

* Update Client.hs, Server.hs, and 4 more files...

* Answer on request

* Delay

* Temp file

* Bypass cert check

* update package.yml, rename

* update store log

* extend HTTP2 transport

* refactor caStore

* HTTP2 body

* update server stats

* file server/client framework

* verify server commands

* process FNEW command, CLI test works

* simple XFTP server test (fails)

* fix test, refactor

* upload chunk works

* receive file chunk in the client

* remove transport handshake

* typo

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

* fix names

---------

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>
2023-02-13 13:36:02 +00:00
Evgeny Poberezkin
0af6533510 rfc: update xftp doc (#609) 2023-01-17 12:24:05 +00:00
Evgeny Poberezkin
af903bd405 rfc: managing exceeded queue quotas (#583)
* rfc: managing exceeded queue quotas

* update
2022-12-27 16:29:07 +00:00
Evgeny Poberezkin
51b0833f98 rfc: SimpleX File Transfer protocol (#582)
* rfc: SimpleX File Transfer protocol

* update

* update

* remove space

* update transport protocol notes

* spellcheck
2022-12-27 12:42:53 +00:00
Evgeny Poberezkin
e281efdcb8 server: SMP basic auth (#561)
* server: SMP basic auth

* update ini default

* rfc, types

* tests

* update INI file

* typo

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

* refactor

* update INI options, log new queue creation mode on start (on/off/requires auth)

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-11-12 22:29:36 +00:00
Evgeny Poberezkin
8d9816809f simplify queue rotation protocol (#550)
* simplify queue rotation protocol

* use simplified rotation protocol, update tests

* simplify schema

* delete all connection queues

* refactor

* switch notifications to the new queue, tests

* remove TODO

* refactor

* rfc correction

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

* remove duplicate set active

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-10-31 13:33:28 +04:00
Evgeny Poberezkin
eb5c1c78cb connection queue redundancy and rotation (#521)
* rfc: queue rotation

* update rfc

* messages for queue rotation

* allow multiple subscribed queues per connection in Agent/Client.hs

* refactor

* fix module name

* allow multiple queues in duplex connection type

* update commands

* add indices

* addConnectionRcvQueue

* switch connection to another queue (WIP)

* update schema/protocol

* switching queue works, but sending messages after the switch fails

* messages are delivered after rotation

* use connection-scoped queue ID

* rename queue records fields

* refactor using SMPQueue class/instances

* simplify queries

* QKEY: check queue is not secured, refactor

* update rfc

* mark queue as primary in QUSE

* queue rotation errors

* fix async ack

* fix async ACK to send OK

* correction

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

* use SWCH command

* rename

* take into account only active queue subscription when determining connection result if at least one queue is active

* remove comment

* only enable notifications for connections with enableNtfs = True

* async test (WIP)

* async queue rotation test

* simplify combining results

* test with 2 servers

* fix unused subscribeConnection

* switch to cabal build

* increase build timeout

* increase delay in async test

* skip queue rotation tests

* build matrix

* step name

* use ubuntu-18.04 in build matrix

* enable rotation tests

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-10-29 18:57:01 +01:00
Evgeny Poberezkin
d788c3ca95 access servers via SOCKS proxy (#482)
* access servers via SOCKS proxy

* config to pass tcp timeout and option SOCKS5 proxy to the agent
2022-07-23 13:57:10 +01:00
Evgeny Poberezkin
68c2682e70 ios: synchronizing processing between app & nse (#398)
* ios: synchronizing processing between app & nse

* update rfc

* add sequence diagram

* manage agent phase

* track agent operation and phase changes

* update

* remove APInactive

* Update src/Simplex/Messaging/Agent/Protocol.hs

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-06-14 13:27:45 +04:00
Evgeny Poberezkin
4b3d04bd27 support message flags visible to SMP server to control notifications (and for any future extensions) (#386)
* support stopping and resuming agent  (#385)

* export agentDbPath

* support fully closing and resuming agent

* whitespace

* clean up

* support message flags visible to SMP server to control notifications (and for any future extensions)

* simplify message flags encoding

* GET command
2022-06-06 12:59:45 +01:00
Evgeny Poberezkin
4dc7d9bc77 Merge branch 'master' into notifications-server 2022-04-21 14:35:23 +01:00
JRoberts
12caa328a8 SMP confirmation timeout recovery rfc (#357) 2022-04-20 22:17:51 +01:00
Evgeny Poberezkin
f060914ab8 notifications server rfc/schema (#332)
* notifications server rfc/schema

* update schema/protocol
2022-03-22 16:53:01 +00:00
Efim Poberezkin
5e57c5dfd7 rename remaining occurrences of connection alias into connection id (#265) 2022-01-07 15:37:40 +04:00
Evgeny Poberezkin
04c65d98da support permanent connection link ("contact") in SMP agent protocols (#143)
* open/public queue extension for SMP and SMP agent protocols

* add connection mode - invitation or contact

* use ConnectionMode with REQ and ACPT agent notification/command

* parameterize ConnectionRequest with ConnectionMode

* implement Contact connection mode for permanent connection links

* tests for contact connections
2021-12-04 18:42:08 +00:00
Efim Poberezkin
9f945492dd fix markdown error in crypto rfc (#167) 2021-07-09 04:27:07 +10:00
Evgeny Poberezkin
dffa7a6100 groups agent protocol (#142)
* groups agent protocol

* groups to chat protocol

* update groups doc / diagram

* group protocol commands

* update group protocol

* count messages for different group operations

* broadcast and introduction as components for group protocol

* list connections in the broadcast

* protocol commands overview - using polymorphic commands

* another version of group protocol based on "broadcast" and "introduction" concepts

* update number of messages needed to establish connection

* corrections to broadcast and introduction protocols

* corrections in groups protocol

* corrections
2021-06-01 18:20:12 +01:00
Evgeny Poberezkin
377b166d8e SimplexMQ readme, remove chat client (#125)
* SimplexMQ readme, remove chat client

* link to license

* add roadmap, corrections

* corrections

* strange dot -> colon

* corrections

Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>
2021-05-04 07:11:48 +01:00
Evgeny Poberezkin
829c198e5f reserve block size (32 bit) and protocol (16 bit) in client handshake block (#116)
* reserve block size (32 bit) and protocol (16 bit) in client handshake block

* update function names

* fix abnf
2021-05-01 21:58:35 +01:00
Evgeny Poberezkin
5fec6c1755 Sign and verify agent messages (#106)
* sign and verify agent messages with key sent in HELLO (TODO: hardcoded block size - should use size from handshake; verify signature of HELLO message itself; possibly, different MSG status if signature was not verified (currently ignored) or failed to verify (currently fails with AGENT A_ENCRYPTION - alternatively, change it to AGENT A_SIGNATURE))

* remove hardcoded block size, make it 4096 bytes

* verify signature of HELLO message before it is added to RcvQueue

* refactor

* update doc

* rename functions
2021-04-26 20:05:46 +01:00
Evgeny Poberezkin
cddff78719 binary X509 encoding for RSA key send during transport handshake (#105) 2021-04-24 12:46:57 +01:00
Evgeny Poberezkin
9104ff0c4a Merge branch 'master' into v2 2021-04-18 17:03:25 +01:00
Evgeny Poberezkin
5c1e9682c8 streams rfc draft (#64)
* streams rfc draft

* typos

* update streams RFC

Co-authored-by: Efim Poberezkin <efim.poberezkin@gmail.com>
2021-04-17 08:10:23 +01:00
Evgeny Poberezkin
0fbf406800 transport encryption (#65)
* transport encryption (WIP - using fixed key, parsing/serialization works, SMP tests fail)

* transport encryption

* transport encryption: separate keys to receive and to send, counter-based IVs

* docs: update transport encryption and handshake

* transport encryption handshake (TODO: validate key hash, welcome block, move keys to system environment)

* change KeyHash type to newtype of Digest SHA256

* transport encryption: validate public key hash

* send and receive welcome block with SMP version

* refactor: parsing SMPServer

* remove unused function

* verify that client version is compatible with server version (major version is not smaller)

* update (fix) SMP server tests
2021-04-05 13:10:16 +01:00
Evgeny Poberezkin
d96aeb727f improve rsa encryption (#61)
* clrify encryption schemes

* increase SMP ping delay

* include authTag and msg size in encrypted message header, pad messages to fixed size

* use newtype for Key and IV bytestrings

* rename CryptoError constructors

* refactor Word to Int conversion

* refactor padding, replace padding character

* rfc corrections, comment

* rename aesTagSize -> authTagSize

* failing test
2021-02-28 16:17:28 +00:00
Efim Poberezkin
8d05ace601 crypto rfc: clean up e2e (#41) 2021-02-15 20:39:21 +04:00
Efim Poberezkin
1cf1c6a4b1 crypto (#33)
* add crypto rfc

* crypto rfc: fix handshake logic

* transport encryption

* e2e encryption and command verification

* crypto rfc: clarify secrecy of public keys

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-02-15 20:22:40 +04:00
Evgeny Poberezkin
3192092349 message management (#32)
* message management rfc

* update message management rfc

* message management ideas (WIP)

* message management updated

* messages RFC

* update agent MSG constructor to include recipient/broker/sender message IDs and timestamps

* remove agent command ACK - agent automatically acknowledges server messages

* correct messages doc
2021-02-26 18:13:04 +04:00