mirror of
https://github.com/refraction-networking/utls.git
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89df05a1c4
We now have a (well, two, depending on AES hardware support) universal
cipher suite preference order, based on their security and performance.
Peer and application lists are now treated as filters (and AES hardware
support hints) that are applied to this universal order.
This removes a complex and nuanced decision from the application's
responsibilities, one which we are better equipped to make and which
applications usually don't need to have an opinion about. It also lets
us worry less about what suites we support or enable, because we can be
confident that bad ones won't be selected over good ones.
This also moves 3DES suites to InsecureCipherSuites(), even if they are
not disabled by default. Just because we can keep them as a last resort
it doesn't mean they are secure. Thankfully we had not promised that
Insecure means disabled by default.
Notable test changes:
- TestCipherSuiteCertPreferenceECDSA was testing that we'd pick the
right certificate regardless of CipherSuite ordering, which is now
completely ignored, as tested by TestCipherSuitePreference. Removed.
- The openssl command of TestHandshakeServerExportKeyingMaterial was
broken for TLS 1.0 in CL 262857, but its golden file was not
regenerated, so the test kept passing. It now broke because the
selected suite from the ones in the golden file changed.
- In TestAESCipherReordering, "server strongly prefers AES-GCM" is
removed because there is no way for a server to express a strong
preference anymore; "client prefers AES-GCM and AES-CBC over ChaCha"
switched to ChaCha20 when the server lacks AES hardware; and finally
"client supports multiple AES-GCM" changed to always prefer AES-128
per the universal preference list.
* this is going back on an explicit decision from CL 262857, and
while that client order is weird and does suggest a strong dislike
for ChaCha20, we have a strong dislike for software AES, so it
didn't feel worth making the logic more complex
- All Client-* golden files had to be regenerated because the
ClientHello cipher suites have changed.
(Even when Config.CipherSuites was limited to one suite, the TLS 1.3
default order changed.)
Fixes #45430
Fixes #41476 (as 3DES is now always the last resort)
Change-Id: If5f5d356c0f8d1f1c7542fb06644a478d6bad1e5
Reviewed-on: https://go-review.googlesource.com/c/go/+/314609
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Trust: Filippo Valsorda <filippo@golang.org>
95 lines
7.1 KiB
Text
95 lines
7.1 KiB
Text
>>> Flow 1 (client to server)
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00000000 16 03 01 00 fa 01 00 00 f6 03 03 00 00 00 00 00 |................|
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00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
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00000020 00 00 00 00 00 00 00 00 00 00 00 20 00 00 00 00 |........... ....|
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00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
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00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 32 cc a9 |.............2..|
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00000050 cc a8 c0 2b c0 2f c0 2c c0 30 c0 09 c0 13 c0 0a |...+./.,.0......|
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00000060 c0 14 00 9c 00 9d 00 2f 00 35 c0 12 00 0a c0 23 |......./.5.....#|
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00000070 c0 27 00 3c c0 07 c0 11 00 05 13 03 13 01 13 02 |.'.<............|
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00000080 01 00 00 7b 00 05 00 05 01 00 00 00 00 00 0a 00 |...{............|
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00000090 0a 00 08 00 1d 00 17 00 18 00 19 00 0b 00 02 01 |................|
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000000a0 00 00 0d 00 1a 00 18 08 04 04 03 08 07 08 05 08 |................|
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000000b0 06 04 01 05 01 06 01 05 03 06 03 02 01 02 03 ff |................|
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000000c0 01 00 01 00 00 12 00 00 00 2b 00 09 08 03 04 03 |.........+......|
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000000d0 03 03 02 03 01 00 33 00 26 00 24 00 1d 00 20 2f |......3.&.$... /|
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000000e0 e5 7d a3 47 cd 62 43 15 28 da ac 5f bb 29 07 30 |.}.G.bC.(.._.).0|
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000000f0 ff f6 84 af c4 cf c2 ed 90 99 5f 58 cb 3b 74 |.........._X.;t|
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>>> Flow 2 (server to client)
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00000000 16 03 03 00 51 02 00 00 4d 03 03 8a a8 2c 00 d8 |....Q...M....,..|
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00000010 d8 87 53 14 1e 7b ff ca 19 a2 6d bc 47 6f 73 12 |..S..{....m.Gos.|
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00000020 0d 54 6e 33 21 80 01 86 f8 81 9f 20 46 f6 8c e8 |.Tn3!...... F...|
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00000030 8b 90 02 b2 da e2 83 3a 2a 0f b3 f7 96 2b f8 96 |.......:*....+..|
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00000040 56 77 39 52 9e a1 bd 74 1e 2e b1 b0 00 3c 00 00 |Vw9R...t.....<..|
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00000050 05 ff 01 00 01 00 16 03 03 02 59 0b 00 02 55 00 |..........Y...U.|
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00000060 02 52 00 02 4f 30 82 02 4b 30 82 01 b4 a0 03 02 |.R..O0..K0......|
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00000070 01 02 02 09 00 e8 f0 9d 3f e2 5b ea a6 30 0d 06 |........?.[..0..|
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00000080 09 2a 86 48 86 f7 0d 01 01 0b 05 00 30 1f 31 0b |.*.H........0.1.|
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00000090 30 09 06 03 55 04 0a 13 02 47 6f 31 10 30 0e 06 |0...U....Go1.0..|
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000000a0 03 55 04 03 13 07 47 6f 20 52 6f 6f 74 30 1e 17 |.U....Go Root0..|
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000000b0 0d 31 36 30 31 30 31 30 30 30 30 30 30 5a 17 0d |.160101000000Z..|
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000000c0 32 35 30 31 30 31 30 30 30 30 30 30 5a 30 1a 31 |250101000000Z0.1|
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000000d0 0b 30 09 06 03 55 04 0a 13 02 47 6f 31 0b 30 09 |.0...U....Go1.0.|
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000000e0 06 03 55 04 03 13 02 47 6f 30 81 9f 30 0d 06 09 |..U....Go0..0...|
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000000f0 2a 86 48 86 f7 0d 01 01 01 05 00 03 81 8d 00 30 |*.H............0|
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00000100 81 89 02 81 81 00 db 46 7d 93 2e 12 27 06 48 bc |.......F}...'.H.|
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00000110 06 28 21 ab 7e c4 b6 a2 5d fe 1e 52 45 88 7a 36 |.(!.~...]..RE.z6|
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00000120 47 a5 08 0d 92 42 5b c2 81 c0 be 97 79 98 40 fb |G....B[.....y.@.|
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00000130 4f 6d 14 fd 2b 13 8b c2 a5 2e 67 d8 d4 09 9e d6 |Om..+.....g.....|
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00000140 22 38 b7 4a 0b 74 73 2b c2 34 f1 d1 93 e5 96 d9 |"8.J.ts+.4......|
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00000150 74 7b f3 58 9f 6c 61 3c c0 b0 41 d4 d9 2b 2b 24 |t{.X.la<..A..++$|
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00000160 23 77 5b 1c 3b bd 75 5d ce 20 54 cf a1 63 87 1d |#w[.;.u]. T..c..|
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00000170 1e 24 c4 f3 1d 1a 50 8b aa b6 14 43 ed 97 a7 75 |.$....P....C...u|
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00000180 62 f4 14 c8 52 d7 02 03 01 00 01 a3 81 93 30 81 |b...R.........0.|
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00000190 90 30 0e 06 03 55 1d 0f 01 01 ff 04 04 03 02 05 |.0...U..........|
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000001a0 a0 30 1d 06 03 55 1d 25 04 16 30 14 06 08 2b 06 |.0...U.%..0...+.|
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000001b0 01 05 05 07 03 01 06 08 2b 06 01 05 05 07 03 02 |........+.......|
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000001c0 30 0c 06 03 55 1d 13 01 01 ff 04 02 30 00 30 19 |0...U.......0.0.|
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000001d0 06 03 55 1d 0e 04 12 04 10 9f 91 16 1f 43 43 3e |..U..........CC>|
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000001e0 49 a6 de 6d b6 80 d7 9f 60 30 1b 06 03 55 1d 23 |I..m....`0...U.#|
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000001f0 04 14 30 12 80 10 48 13 49 4d 13 7e 16 31 bb a3 |..0...H.IM.~.1..|
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00000200 01 d5 ac ab 6e 7b 30 19 06 03 55 1d 11 04 12 30 |....n{0...U....0|
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00000210 10 82 0e 65 78 61 6d 70 6c 65 2e 67 6f 6c 61 6e |...example.golan|
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00000220 67 30 0d 06 09 2a 86 48 86 f7 0d 01 01 0b 05 00 |g0...*.H........|
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00000230 03 81 81 00 9d 30 cc 40 2b 5b 50 a0 61 cb ba e5 |.....0.@+[P.a...|
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00000240 53 58 e1 ed 83 28 a9 58 1a a9 38 a4 95 a1 ac 31 |SX...(.X..8....1|
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00000250 5a 1a 84 66 3d 43 d3 2d d9 0b f2 97 df d3 20 64 |Z..f=C.-...... d|
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00000260 38 92 24 3a 00 bc cf 9c 7d b7 40 20 01 5f aa d3 |8.$:....}.@ ._..|
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00000270 16 61 09 a2 76 fd 13 c3 cc e1 0c 5c ee b1 87 82 |.a..v......\....|
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00000280 f1 6c 04 ed 73 bb b3 43 77 8d 0c 1c f1 0f a1 d8 |.l..s..Cw.......|
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00000290 40 83 61 c9 4c 72 2b 9d ae db 46 06 06 4d f4 c1 |@.a.Lr+...F..M..|
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000002a0 b3 3e c0 d1 bd 42 d4 db fe 3d 13 60 84 5c 21 d3 |.>...B...=.`.\!.|
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000002b0 3b e9 fa e7 16 03 03 00 04 0e 00 00 00 |;............|
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>>> Flow 3 (client to server)
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00000000 16 03 03 00 86 10 00 00 82 00 80 b9 65 8d bf a7 |............e...|
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00000010 c8 4b 79 ce 6f cb 8b 13 1c ac b9 7d 66 5e e9 ba |.Ky.o......}f^..|
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00000020 1d 71 4e a9 e9 34 ae f6 64 65 90 3b d8 16 52 a2 |.qN..4..de.;..R.|
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00000030 6f f4 cb 8a 13 74 a2 ee b7 27 69 b4 41 c0 90 68 |o....t...'i.A..h|
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00000040 bc 02 69 e1 c6 48 4f 39 36 30 25 ca 4c 17 ce 83 |..i..HO960%.L...|
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00000050 9e 08 56 e3 05 49 93 9e 2e c4 fb e6 c8 01 f1 0f |..V..I..........|
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00000060 c5 70 0f 08 83 48 e9 48 ef 6e 50 8b 05 7e e5 84 |.p...H.H.nP..~..|
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00000070 25 fa 55 c7 ae 31 02 27 00 ef 3f 98 86 20 12 89 |%.U..1.'..?.. ..|
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00000080 91 59 28 b4 f7 d7 af d2 69 61 35 14 03 03 00 01 |.Y(.....ia5.....|
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00000090 01 16 03 03 00 50 00 00 00 00 00 00 00 00 00 00 |.....P..........|
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000000a0 00 00 00 00 00 00 8f d8 ac 7f ec 16 9e d8 e9 f2 |................|
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000000b0 ce 30 51 dc 87 e0 f9 80 57 66 d9 87 20 77 3a b1 |.0Q.....Wf.. w:.|
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000000c0 43 db fc 36 f5 64 6e 96 e9 b8 e2 ab bb 00 48 36 |C..6.dn.......H6|
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000000d0 60 9c 5a 7c 38 3f 13 e1 9c ef d9 15 96 91 56 e2 |`.Z|8?........V.|
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000000e0 87 2e 23 1a 98 40 |..#..@|
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>>> Flow 4 (server to client)
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00000000 14 03 03 00 01 01 16 03 03 00 50 80 01 08 cc d8 |..........P.....|
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00000010 08 a8 81 20 b2 bb 5b 50 79 74 4a b5 10 c4 7a 30 |... ..[PytJ...z0|
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00000020 6c 46 d6 e5 36 6e 4d cc e5 0c 2c ab 3b de 92 45 |lF..6nM...,.;..E|
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00000030 ee 20 58 a9 0f 03 26 3e 6c 05 a7 ef f2 7c a7 9b |. X...&>l....|..|
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00000040 57 c0 20 8d d0 69 0e b0 5a cc e6 26 5f e2 c3 24 |W. ..i..Z..&_..$|
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00000050 c4 db df 20 03 08 e1 aa 59 2b d2 |... ....Y+.|
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>>> Flow 5 (client to server)
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00000000 17 03 03 00 40 00 00 00 00 00 00 00 00 00 00 00 |....@...........|
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00000010 00 00 00 00 00 a2 dd a6 ff 57 60 80 dd 97 cf 20 |.........W`.... |
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00000020 10 04 60 80 53 17 37 ce ce 39 b6 21 f4 06 61 aa |..`.S.7..9.!..a.|
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00000030 49 7b f0 d5 e0 72 4c 6f 38 d2 ab af 1c 94 bd 5b |I{...rLo8......[|
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00000040 1b ee 8a 9b e3 15 03 03 00 40 00 00 00 00 00 00 |.........@......|
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00000050 00 00 00 00 00 00 00 00 00 00 ba 18 32 e7 6d f5 |............2.m.|
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00000060 fa 2e 61 55 cc fe 3c 4d 19 fd 84 6d c4 2a 46 92 |..aU..<M...m.*F.|
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00000070 ae b7 f3 67 c8 3c ce cd b0 66 de ee 5d 3f 07 3b |...g.<...f..]?.;|
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00000080 a9 85 a1 93 1f 98 f7 95 c9 ac |..........|
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