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242 Commits

Author SHA1 Message Date
Russ Magee d465c1ee5b Initial experiments: HMAC on stream 2018-02-16 18:46:29 -08:00
Russ Magee 6ea206fbc2 Merge of public work on github.com/Russtopia/hkexsh repo 2018-02-16 18:43:37 -08:00
Russ Magee 2b44c87815 Partial fixes to client login env; Added missing Conn.Listener interface methods to hkex.Conn.Listener 2018-01-26 16:15:39 -08:00
Russ Magee 52423b7144 Cleaned up some debug, moved insulter for failed login into project 2018-01-24 18:14:21 -08:00
Russ Magee d484ec7fd1 Added hkexpasswd util; moved minimal term stuff into hkexauth.go 2018-01-23 13:53:05 -08:00
Russ Magee 3ca98d364c Oops. Forgot to add hexkauth.go to last few commits. 2018-01-21 22:13:35 -08:00
Russ Magee 4d9ea3cbe1 Brought in ReadPassword from ssh/terminal, enabling entry of authCookie w/o term 
echo.
TODO: consider methods of securing authCookie in auth file (salt+hash etc.)
 2018-01-21 22:02:08 -08:00
Russ Magee 59337db7e3 Changed to use runShellAs() (pass cmdline to bash) rather than runCmdAs (os.exec) 
to allow pipelines, redir etc.
 2018-01-21 17:31:54 -08:00
Russ Magee 6fd8ac1519 Added -u (user), -x (exec cmd) options, -d (dbg) for logging; detection of "-x -" for 
stdin/pipeline commands.
 2018-01-21 15:46:40 -08:00
Russ Magee 39a0890346 Merge branch 'kexsh-proto' of ssh://tripe.blitter.com/~russtopia/git/herradurakex into kexsh-proto 2018-01-20 21:28:55 -08:00
Russ Magee e3842e4219 Removed channel-based server loop goroutine, solving eaten initial byte issue. 
Made receivers on hkex.Conn mutators *Conn again (whoops)
TODO: Consider: padding (? probably not, XORKeyStream OFB/CBC/etc. modes prevent
constant header/crib exposure, and would add lots of complexity to Read/Write)
TODO: Add CTR, other modes
 2018-01-20 21:20:49 -08:00
Russ Magee 3efdd5cfbd Removed channel-based server loop goroutine, solving eaten initial byte issue. 
Made receivers on hkex.Conn mutators *Conn again (whoops)
TODO: Padding in ciphertext data!
 2018-01-20 20:37:27 -08:00
Russ Magee 732005d9bf Some cleanup in prep for possible io.ReadFull() fixed-block session-cmd header to resolve the eaten-byte issue handing Accept off to cmdRunner 2018-01-18 21:17:57 -08:00
Russ Magee 49c589ee8d Added pty lib to give true terminal capability. raw mode/restore for client working 2018-01-18 18:57:37 -08:00
Russ Magee e8fe31f6d7 Set lots of KEx Printfs to log.Printf (and off by default). Hacky non=tty shell works! 2018-01-17 21:27:00 -08:00
Russ Magee cca2895526 Took a step back on cmd exec, just getting EOF/hangup on client/server ends working 2018-01-17 20:36:53 -08:00
Russ Magee ad5366bdfb removed hardcoded op 'e' in client demo; hardcoded test server output 2018-01-17 16:55:10 -08:00
Russ Magee 9fb9d073ab Completed net.Conn interface implementation for hkex.Conn; some tests of Op protocol in server 2018-01-17 16:39:01 -08:00
Russ Magee e09f052f45 Just some commented-out SetReadDeadline() experiments 2018-01-16 18:30:57 -08:00
Russ Magee 942b8865cf Start of proto kexsh tool client/server 2018-01-13 10:01:27 -08:00
Russ Magee 78edf1c130 Tucked dbg{client/server} away for testing 2018-01-12 22:47:57 -08:00
Russ Magee 9b3bd6b78b Added client/server host:port, addr:port options 2018-01-12 22:24:40 -08:00
Russ Magee 1817627234 -Cleaned up lib code with gometalinter.v1 
-Added -h opt to demo client (hmac)
 2018-01-12 22:13:01 -08:00
Russ Magee 5493921e9f -Added client -c option to pass cipher alg 
-Note about blowfish iv len (lack of) bounds check in .NewOFB();
-TODO added to enforce keymat from HKex >= 2*chosen cipher blocksize
 (assuming keylen == blocksize -- might not be true for all future algs)
 2018-01-11 23:01:39 -08:00
Russ Magee aaa99360be Made server.go and serverp.go (plaintext net example) use same bufsize 2018-01-11 21:32:55 -08:00
Russ Magee 9054bcb89f Dial() extensions to specify cipher/hmac alg and protocol options 2018-01-11 19:42:42 -08:00
Russ Magee 02d4d0cd50 Package documentation 2018-01-11 13:44:11 -08:00
Russ Magee d4c9a1e456 Bit of cleanup in hkex.Read(),Write() and server.go read bufsize to 512 2018-01-11 09:13:18 -08:00
Russ Magee c43b13989b Hoorah, got basic crypto working over hkex Conn 2018-01-10 22:50:13 -08:00
Russ Magee b28ca552bd Got cipher StreamReader/Writer in w/o yet using them. 2018-01-08 23:26:24 -08:00
Russ Magee 9885067a48 Added hkexchan.go w/o testing for StreamReader/StreamWriter 2018-01-08 23:08:58 -08:00
Russ Magee 4bccb2512d Added vanilla client.go server.go for comparison 2018-01-08 20:24:10 -08:00
Russ Magee 3571da5703 Added concept for cipher setup -- nonworking (hkexchan.gox) 2018-01-08 20:23:19 -08:00
Russ Magee 9aecee7ba3 Split core KEx and net support code 2018-01-08 19:28:04 -08:00
Russ Magee f7a3be637b Split core KEx and net support code 2018-01-08 19:16:55 -08:00
Russ Magee 2faee8eae1 HKExConn -> Conn for drop-in to net.Conn 2018-01-08 18:27:01 -08:00
Russ Magee 11cd7bacfb Working client/server demos w/HEx and trivial XOR crypto test 2018-01-07 22:05:14 -08:00
Russ Magee 60f2cb7e26 client/server demo hkex.Dial(), hkex.Listen()/hl.Accept() with auto-KEx 2018-01-06 23:58:30 +00:00
Russ Magee 4dd121b10b client-side read for HKEx PeerD as part of NewHKEx() 2018-01-06 21:18:58 +00:00
Russ Magee c8b4fa3596 HKExConn captures net.Conn 2018-01-06 20:26:08 +00:00
Russ Magee 663f2f6d1f Prototype README.md with theory of operation 2018-01-06 15:41:23 +00:00
Russ Magee ba2c03afe3 Initial commit 2018-01-06 15:30:56 +00:00