* commands to support introduction
* agent messages / envelopes to support introductions
* introductions and invitations table; insert record with random unique ID
* store class methods and types for introductions
* process INTRO and ACPT commands for connection introductions
* fix tests: add MonadFail constraint, remove OK response to JOIN
* process agent messages for introductions
* ICON notification when introduction is completed
* replace multiway if with case
* correction
* support random connection IDs
* save additional connection fields, refactor create connection funcs
* refactor
* refactor
* test duplex connection with random IDs
* store methods for introductions
* test introduction
* fix parsing of CON agent message
* test introduction with random connection IDs
* broadcast with random connection and broadcast IDs
* clean up sql
* database migrations
* fix: reverse order of down migrations
* use positional parameters in queries
* simplify migrations
* typo
* rename SchemaMigration to Migration
* move store initialization to IO monad
* example websockets server
* example of ws client
* type class TConnection for generic TCP/WebSockets implementation
* support WebSockets transport
* rename TConnection methods
* revert runClient to not need transport arg
* pass the list of ports and transports via SMP server config
* remove TypeApplications
* s/Transport/TProxy/, s/TConnection/Transport/
* fix server with multiple transports, make SMP client use WS transport with port 80 (TODO fallback to WS)
* agent: send CON to user when the 1st party responds HELLO; fix REPLY vulnerability
* test for getRcvConn
* add commented OK response to JOIN command
* store: use Only newtype to select one field
* move SMP server from agent commands NEW/JOIN to agent config
* fix SMPServer parser
* update agent protocol - server management
* enable agent test
* agent test with 2 servers
* create reply queue on the configured server
* choose random server
* swap bind
* 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
* inventory of error handling problems and types
* Change SMP protocol errors syntax
* connection errors in agent protocol (ERR CONN), STORE error -> AGENT error
* include exception in SEInternal error
* add MESSAGE errors, remove CRYPTO and SIZE errors
* agent protocol SYNTAX and AGENT errors
* BROKER errors
* group all client command (and agent response) errors
* BROKER TRANSPORT error
* simplify Client
* clean up
* transport errors
* simplify client
* parse / serialize agent errors
* differentiate crypto errors
* update errors.md
* make agent and SMP protocol errors consistent, simplify
* update doc
* test: parse / serialize protocol errors with QuickCheck
* add String to internal error
* exponential back-off when retrying to send HELLO
* refactor Client.hs
* replace fold with recursion in startTCPClient
* fail test if server did not start, refactor
* test: wait till TCP server stops
* test: refactor waiting for server to stop
* test: fail with error if server did not start/stop
* key encoding primitives (WIP)
* use X509/PKCS8 to read/write server key files
* make PrivateKey type class
* clean up
* remove separate public key file
* specific import
* use System.Terminal for "editor" mode (WIP, does not work in POSIX)
* fix getKey - only return one event on control keys
* fix printing with System.Terminal
* different markdown escape for color, added black color
* fix color escapes
* make black invisible
* markdown fixes
* remove Key type, fix editor bug, refactor
* refactor: use getKey in getTermLine
* default mode is "editor", remove windows warning
* markdown: code snippet
* use ! for color markdown
* edit previous input
* clean up
* use getWindowSize from System.Terminal
* move server keys to config
* add server keys from files
* create server keys if key files do not exist
* validate loaded server key pair
* refactor fromString functions
* key files in /etc/opt/simplex
* 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
* 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
