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crypto/tls: enable TLS 1.3 and update tests

Browse source 
To disable TLS 1.3, simply remove VersionTLS13 from supportedVersions,
as tested by TestEscapeRoute, and amend documentation. To make it
opt-in, revert the change to (*Config).supportedVersions from this CL.

I did not have the heart to implement the early data skipping feature
when I realized that it did not offer a choice between two
abstraction-breaking options, but demanded them both (look for handshake
type in case of HelloRetryRequest, trial decryption otherwise). It's a
lot of complexity for an apparently small gain, but if anyone has strong
opinions about it let me know.

Note that in TLS 1.3 alerts are encrypted, so the close_notify peeking
to return (n > 0, io.EOF) from Read doesn't work. If we are lucky, those
servers that unexpectedly close connections after serving a single
request will have stopped (maybe thanks to H/2) before they got updated
to TLS 1.3.

Relatedly, session tickets are now provisioned on the client first Read
instead of at Handshake time, because they are, well, post-handshake
messages. If this proves to be a problem we might try to peek at them.

Doubled the tests that cover logic that's different in TLS 1.3.

The benchmarks for TLS 1.2 compared to be0f3c286b5 (before TLS 1.3 and
its refactors, after CL 142817 changed them to use real connections)
show little movement.

name                                       old time/op   new time/op   delta
HandshakeServer/RSA-8                        795µs ± 1%    798µs ± 1%    ~     (p=0.057 n=10+18)
HandshakeServer/ECDHE-P256-RSA-8             903µs ± 0%    909µs ± 1%  +0.68%  (p=0.000 n=8+17)
HandshakeServer/ECDHE-P256-ECDSA-P256-8      198µs ± 0%    204µs ± 1%  +3.24%  (p=0.000 n=9+18)
HandshakeServer/ECDHE-X25519-ECDSA-P256-8    202µs ± 3%    208µs ± 1%  +2.98%  (p=0.000 n=9+20)
HandshakeServer/ECDHE-P521-ECDSA-P521-8     15.5ms ± 1%   15.9ms ± 2%  +2.49%  (p=0.000 n=10+20)
Throughput/MaxPacket/1MB-8                  5.81ms ±23%   6.14ms ±44%    ~     (p=0.605 n=8+18)
Throughput/MaxPacket/2MB-8                  8.91ms ±22%   8.74ms ±33%    ~     (p=0.498 n=9+19)
Throughput/MaxPacket/4MB-8                  12.8ms ± 3%   14.0ms ±10%  +9.74%  (p=0.000 n=10+17)
Throughput/MaxPacket/8MB-8                  25.1ms ± 7%   24.6ms ±16%    ~     (p=0.129 n=9+19)
Throughput/MaxPacket/16MB-8                 46.3ms ± 4%   45.9ms ±12%    ~     (p=0.340 n=9+20)
Throughput/MaxPacket/32MB-8                 88.5ms ± 4%   86.0ms ± 4%  -2.82%  (p=0.004 n=10+20)
Throughput/MaxPacket/64MB-8                  173ms ± 2%    167ms ± 7%  -3.42%  (p=0.001 n=10+19)
Throughput/DynamicPacket/1MB-8              5.88ms ± 4%   6.59ms ±64%    ~     (p=0.232 n=9+18)
Throughput/DynamicPacket/2MB-8              9.08ms ±12%   8.73ms ±21%    ~     (p=0.408 n=10+18)
Throughput/DynamicPacket/4MB-8              14.2ms ± 5%   14.0ms ±11%    ~     (p=0.188 n=9+19)
Throughput/DynamicPacket/8MB-8              25.1ms ± 6%   24.0ms ± 7%  -4.39%  (p=0.000 n=10+18)
Throughput/DynamicPacket/16MB-8             45.6ms ± 3%   43.3ms ± 1%  -5.22%  (p=0.000 n=10+8)
Throughput/DynamicPacket/32MB-8             88.4ms ± 3%   84.8ms ± 2%  -4.06%  (p=0.000 n=10+10)
Throughput/DynamicPacket/64MB-8              175ms ± 3%    167ms ± 2%  -4.63%  (p=0.000 n=10+10)
Latency/MaxPacket/200kbps-8                  694ms ± 0%    694ms ± 0%  -0.02%  (p=0.000 n=9+9)
Latency/MaxPacket/500kbps-8                  279ms ± 0%    279ms ± 0%  -0.09%  (p=0.000 n=10+10)
Latency/MaxPacket/1000kbps-8                 140ms ± 0%    140ms ± 0%  -0.15%  (p=0.000 n=10+9)
Latency/MaxPacket/2000kbps-8                71.1ms ± 0%   71.0ms ± 0%  -0.09%  (p=0.001 n=8+9)
Latency/MaxPacket/5000kbps-8                30.5ms ± 6%   30.1ms ± 6%    ~     (p=0.905 n=10+9)
Latency/DynamicPacket/200kbps-8              134ms ± 0%    134ms ± 0%    ~     (p=0.796 n=9+9)
Latency/DynamicPacket/500kbps-8             54.8ms ± 0%   54.7ms ± 0%  -0.18%  (p=0.000 n=8+10)
Latency/DynamicPacket/1000kbps-8            28.5ms ± 0%   29.1ms ± 8%    ~     (p=0.173 n=8+10)
Latency/DynamicPacket/2000kbps-8            15.3ms ± 6%   15.9ms ±10%    ~     (p=0.905 n=9+10)
Latency/DynamicPacket/5000kbps-8            9.14ms ±21%   9.65ms ±82%    ~     (p=0.529 n=10+10)

name                                       old speed     new speed     delta
Throughput/MaxPacket/1MB-8                 175MB/s ±13%  167MB/s ±64%    ~     (p=0.646 n=7+20)
Throughput/MaxPacket/2MB-8                 241MB/s ±25%  241MB/s ±40%    ~     (p=0.660 n=9+20)
Throughput/MaxPacket/4MB-8                 328MB/s ± 3%  300MB/s ± 9%  -8.70%  (p=0.000 n=10+17)
Throughput/MaxPacket/8MB-8                 335MB/s ± 7%  340MB/s ±17%    ~     (p=0.212 n=9+20)
Throughput/MaxPacket/16MB-8                363MB/s ± 4%  367MB/s ±11%    ~     (p=0.340 n=9+20)
Throughput/MaxPacket/32MB-8                379MB/s ± 4%  390MB/s ± 4%  +2.93%  (p=0.004 n=10+20)
Throughput/MaxPacket/64MB-8                388MB/s ± 2%  401MB/s ± 7%  +3.25%  (p=0.004 n=10+20)
Throughput/DynamicPacket/1MB-8             178MB/s ± 4%  157MB/s ±73%    ~     (p=0.127 n=9+20)
Throughput/DynamicPacket/2MB-8             232MB/s ±11%  243MB/s ±18%    ~     (p=0.415 n=10+18)
Throughput/DynamicPacket/4MB-8             296MB/s ± 5%  299MB/s ±15%    ~     (p=0.295 n=9+20)
Throughput/DynamicPacket/8MB-8             334MB/s ± 6%  350MB/s ± 7%  +4.58%  (p=0.000 n=10+18)
Throughput/DynamicPacket/16MB-8            368MB/s ± 3%  388MB/s ± 1%  +5.48%  (p=0.000 n=10+8)
Throughput/DynamicPacket/32MB-8            380MB/s ± 3%  396MB/s ± 2%  +4.20%  (p=0.000 n=10+10)
Throughput/DynamicPacket/64MB-8            384MB/s ± 3%  403MB/s ± 2%  +4.83%  (p=0.000 n=10+10)

Comparing TLS 1.2 and TLS 1.3 at tip shows a slight (~5-10%) slowdown of
handshakes, which might be worth looking at next cycle, but the latency
improvements are expected to overshadow that.

name                                       old time/op   new time/op   delta
HandshakeServer/ECDHE-P256-RSA-8             909µs ± 1%    963µs ± 0%   +5.87%  (p=0.000 n=17+18)
HandshakeServer/ECDHE-P256-ECDSA-P256-8      204µs ± 1%    225µs ± 2%  +10.20%  (p=0.000 n=18+20)
HandshakeServer/ECDHE-X25519-ECDSA-P256-8    208µs ± 1%    230µs ± 2%  +10.35%  (p=0.000 n=20+18)
HandshakeServer/ECDHE-P521-ECDSA-P521-8     15.9ms ± 2%   15.9ms ± 1%     ~     (p=0.444 n=20+19)
Throughput/MaxPacket/1MB-8                  6.14ms ±44%   7.07ms ±46%     ~     (p=0.057 n=18+19)
Throughput/MaxPacket/2MB-8                  8.74ms ±33%   8.61ms ± 9%     ~     (p=0.552 n=19+17)
Throughput/MaxPacket/4MB-8                  14.0ms ±10%   14.1ms ±12%     ~     (p=0.707 n=17+20)
Throughput/MaxPacket/8MB-8                  24.6ms ±16%   25.6ms ±14%     ~     (p=0.107 n=19+20)
Throughput/MaxPacket/16MB-8                 45.9ms ±12%   44.7ms ± 6%     ~     (p=0.607 n=20+19)
Throughput/MaxPacket/32MB-8                 86.0ms ± 4%   87.9ms ± 8%     ~     (p=0.113 n=20+19)
Throughput/MaxPacket/64MB-8                  167ms ± 7%    169ms ± 2%   +1.26%  (p=0.011 n=19+19)
Throughput/DynamicPacket/1MB-8              6.59ms ±64%   6.79ms ±43%     ~     (p=0.480 n=18+19)
Throughput/DynamicPacket/2MB-8              8.73ms ±21%   9.58ms ±13%   +9.71%  (p=0.006 n=18+20)
Throughput/DynamicPacket/4MB-8              14.0ms ±11%   13.9ms ±10%     ~     (p=0.687 n=19+20)
Throughput/DynamicPacket/8MB-8              24.0ms ± 7%   24.6ms ± 8%   +2.36%  (p=0.045 n=18+17)
Throughput/DynamicPacket/16MB-8             43.3ms ± 1%   44.3ms ± 2%   +2.48%  (p=0.001 n=8+9)
Throughput/DynamicPacket/32MB-8             84.8ms ± 2%   86.7ms ± 2%   +2.27%  (p=0.000 n=10+10)
Throughput/DynamicPacket/64MB-8              167ms ± 2%    170ms ± 3%   +1.89%  (p=0.005 n=10+10)
Latency/MaxPacket/200kbps-8                  694ms ± 0%    699ms ± 0%   +0.65%  (p=0.000 n=9+10)
Latency/MaxPacket/500kbps-8                  279ms ± 0%    280ms ± 0%   +0.68%  (p=0.000 n=10+10)
Latency/MaxPacket/1000kbps-8                 140ms ± 0%    141ms ± 0%   +0.59%  (p=0.000 n=9+9)
Latency/MaxPacket/2000kbps-8                71.0ms ± 0%   71.3ms ± 0%   +0.42%  (p=0.000 n=9+9)
Latency/MaxPacket/5000kbps-8                30.1ms ± 6%   30.7ms ±10%   +1.93%  (p=0.019 n=9+9)
Latency/DynamicPacket/200kbps-8              134ms ± 0%    138ms ± 0%   +3.22%  (p=0.000 n=9+10)
Latency/DynamicPacket/500kbps-8             54.7ms ± 0%   56.3ms ± 0%   +3.03%  (p=0.000 n=10+8)
Latency/DynamicPacket/1000kbps-8            29.1ms ± 8%   29.1ms ± 0%     ~     (p=0.173 n=10+8)
Latency/DynamicPacket/2000kbps-8            15.9ms ±10%   16.4ms ±36%     ~     (p=0.633 n=10+8)
Latency/DynamicPacket/5000kbps-8            9.65ms ±82%   8.32ms ± 8%     ~     (p=0.573 n=10+8)

name                                       old speed     new speed     delta
Throughput/MaxPacket/1MB-8                 167MB/s ±64%  155MB/s ±55%     ~     (p=0.224 n=20+19)
Throughput/MaxPacket/2MB-8                 241MB/s ±40%  244MB/s ± 9%     ~     (p=0.407 n=20+17)
Throughput/MaxPacket/4MB-8                 300MB/s ± 9%  298MB/s ±11%     ~     (p=0.707 n=17+20)
Throughput/MaxPacket/8MB-8                 340MB/s ±17%  330MB/s ±13%     ~     (p=0.201 n=20+20)
Throughput/MaxPacket/16MB-8                367MB/s ±11%  375MB/s ± 5%     ~     (p=0.607 n=20+19)
Throughput/MaxPacket/32MB-8                390MB/s ± 4%  382MB/s ± 8%     ~     (p=0.113 n=20+19)
Throughput/MaxPacket/64MB-8                401MB/s ± 7%  397MB/s ± 2%   -0.96%  (p=0.030 n=20+19)
Throughput/DynamicPacket/1MB-8             157MB/s ±73%  156MB/s ±39%     ~     (p=0.738 n=20+20)
Throughput/DynamicPacket/2MB-8             243MB/s ±18%  220MB/s ±14%   -9.65%  (p=0.006 n=18+20)
Throughput/DynamicPacket/4MB-8             299MB/s ±15%  303MB/s ± 9%     ~     (p=0.512 n=20+20)
Throughput/DynamicPacket/8MB-8             350MB/s ± 7%  342MB/s ± 8%   -2.27%  (p=0.045 n=18+17)
Throughput/DynamicPacket/16MB-8            388MB/s ± 1%  378MB/s ± 2%   -2.41%  (p=0.001 n=8+9)
Throughput/DynamicPacket/32MB-8            396MB/s ± 2%  387MB/s ± 2%   -2.21%  (p=0.000 n=10+10)
Throughput/DynamicPacket/64MB-8            403MB/s ± 2%  396MB/s ± 3%   -1.84%  (p=0.005 n=10+10)

Fixes #9671

Change-Id: Ieb57c5140eb2c083b8be0d42b240cd2eeec0dcf6
Reviewed-on: https://go-review.googlesource.com/c/147638
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Adam Langley <agl@golang.org>
This commit is contained in:
Filippo Valsorda 2018-11-05 22:52:51 -05:00
parent 07b241c4b9
commit 5db23cd389
83 changed files with 3733 additions and 3281 deletions
Download patch file Download diff file Expand all files Collapse all files

81
testdata/Client-TLSv12-P256-ECDHE vendored
View file

@ -1,23 +1,28 @@
>>> Flow 1 (client to server)
00000000 16 03 01 00 c0 01 00 00 bc 03 03 00 00 00 00 00 |................|
00000000 16 03 01 01 13 01 00 01 0f 03 03 00 00 00 00 00 |................|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000020 00 00 00 00 00 00 00 00 00 00 00 20 00 00 00 00 |........... ....|
00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 2c cc a8 |.............,..|
00000040 00 00 00 00 00 00 00 00 00 00 00 00 00 32 cc a8 |.............2..|
00000050 cc a9 c0 2f c0 2b c0 30 c0 2c c0 27 c0 13 c0 23 |.../.+.0.,.'...#|
00000060 c0 09 c0 14 c0 0a 00 9c 00 9d 00 3c 00 2f 00 35 |...........<./.5|
00000070 c0 12 00 0a 00 05 c0 11 c0 07 01 00 00 47 00 05 |.............G..|
00000080 00 05 01 00 00 00 00 00 0a 00 04 00 02 00 17 00 |................|
00000090 0b 00 02 01 00 00 0d 00 18 00 16 08 04 08 05 08 |................|
000000a0 06 04 01 04 03 05 01 05 03 06 01 06 03 02 01 02 |................|
000000b0 03 ff 01 00 01 00 00 12 00 00 00 2b 00 07 06 03 |...........+....|
000000c0 03 03 02 03 01 |.....|
00000070 c0 12 00 0a 00 05 c0 11 c0 07 13 01 13 03 13 02 |................|
00000080 01 00 00 94 00 05 00 05 01 00 00 00 00 00 0a 00 |................|
00000090 04 00 02 00 17 00 0b 00 02 01 00 00 0d 00 18 00 |................|
000000a0 16 08 04 08 05 08 06 04 01 04 03 05 01 05 03 06 |................|
000000b0 01 06 03 02 01 02 03 ff 01 00 01 00 00 12 00 00 |................|
000000c0 00 2b 00 09 08 03 04 03 03 03 02 03 01 00 33 00 |.+............3.|
000000d0 47 00 45 00 17 00 41 04 1e 18 37 ef 0d 19 51 88 |G.E...A...7...Q.|
000000e0 35 75 71 b5 e5 54 5b 12 2e 8f 09 67 fd a7 24 20 |5uq..T[....g..$ |
000000f0 3e b2 56 1c ce 97 28 5e f8 2b 2d 4f 9e f1 07 9f |>.V...(^.+-O....|
00000100 6c 4b 5b 83 56 e2 32 42 e9 58 b6 d7 49 a6 b5 68 |lK[.V.2B.X..I..h|
00000110 1a 41 03 56 6b dc 5a 89 |.A.Vk.Z.|
>>> Flow 2 (server to client)
00000000 16 03 03 00 59 02 00 00 55 03 03 81 3f 3a 95 29 |....Y...U...?:.)|
00000010 07 06 82 6e 6d e2 be 73 49 df 41 e6 ae 14 52 ff |...nm..sI.A...R.|
00000020 10 83 3a 9a 1b 70 34 49 3b 34 5e 20 1d 28 3f e2 |..:..p4I;4^ .(?.|
00000030 3b 60 d5 b0 12 d6 a2 50 8f db 85 64 b1 4b 04 c6 |;`.....P...d.K..|
00000040 ac d2 de 9d 66 97 13 bb 6d 67 0a 59 c0 2f 00 00 |....f...mg.Y./..|
00000000 16 03 03 00 59 02 00 00 55 03 03 39 5a 55 c9 46 |....Y...U..9ZU.F|
00000010 87 68 62 04 99 88 9e 60 93 a3 79 c3 d6 e0 30 9f |.hb....`..y...0.|
00000020 e5 2b 70 df 81 1f 33 53 f5 89 91 20 ce 7b aa 43 |.+p...3S... .{.C|
00000030 a2 83 d7 6d 3f b9 86 38 1d 52 da 75 82 2b c6 05 |...m?..8.R.u.+..|
00000040 6f a4 e2 15 27 21 18 36 0d 04 ba 42 c0 2f 00 00 |o...'!.6...B./..|
00000050 0d ff 01 00 01 00 00 0b 00 04 03 00 01 02 16 03 |................|
00000060 03 02 59 0b 00 02 55 00 02 52 00 02 4f 30 82 02 |..Y...U..R..O0..|
00000070 4b 30 82 01 b4 a0 03 02 01 02 02 09 00 e8 f0 9d |K0..............|
@ -57,19 +62,19 @@
00000290 77 8d 0c 1c f1 0f a1 d8 40 83 61 c9 4c 72 2b 9d |w.......@.a.Lr+.|
000002a0 ae db 46 06 06 4d f4 c1 b3 3e c0 d1 bd 42 d4 db |..F..M...>...B..|
000002b0 fe 3d 13 60 84 5c 21 d3 3b e9 fa e7 16 03 03 00 |.=.`.\!.;.......|
000002c0 cd 0c 00 00 c9 03 00 17 41 04 05 27 21 d2 da a3 |........A..'!...|
000002d0 dd 65 60 cc 17 38 50 27 84 0d 14 09 df 14 17 81 |.e`..8P'........|
000002e0 5a 1f 3f 35 79 12 57 03 cb aa bb ea 65 cf 31 62 |Z.?5y.W.....e.1b|
000002f0 9e ee 6f 17 f0 74 24 5d 2a 38 4a d0 39 ce 9a 47 |..o..t$]*8J.9..G|
00000300 3d 79 91 88 7d 21 31 c9 ca 60 08 04 00 80 67 b9 |=y..}!1..`....g.|
00000310 0c e6 6b e4 46 f3 2f 3a a2 e8 ac 75 49 8b da 41 |..k.F./:...uI..A|
00000320 8c 8a 5c c3 a8 87 c1 e3 18 b3 60 a6 44 61 b0 de |..\.......`.Da..|
00000330 90 33 9f c9 e9 30 d9 e5 b6 2a 5f 17 b9 93 03 e2 |.3...0...*_.....|
00000340 59 81 2e 66 25 d4 d9 4e 46 b9 27 35 0b 0c 16 b4 |Y..f%..NF.'5....|
00000350 c2 d7 1d 4d 2c 4c c3 aa 19 f6 bc 28 d6 dc df da |...M,L.....(....|
00000360 ab 40 45 1c ad 3e de 62 c2 cf 68 d3 4f 04 5b ee |.@E..>.b..h.O.[.|
00000370 a1 55 a8 56 9c 13 c0 d8 49 66 72 ba be 41 96 2f |.U.V....Ifr..A./|
00000380 d4 1a 84 99 a5 fe 1a 55 8e 0b 9e 32 44 48 16 03 |.......U...2DH..|
000002c0 cd 0c 00 00 c9 03 00 17 41 04 76 c4 5d a9 b6 96 |........A.v.]...|
000002d0 aa 4c e2 26 30 ce 69 90 11 42 fe a4 56 4d 4b 1c |.L.&0.i..B..VMK.|
000002e0 5e 1f e1 23 10 c7 8b 52 5a 04 1f 32 85 98 6b d8 |^..#...RZ..2..k.|
000002f0 97 3a 7b 90 79 94 de f4 85 c8 c5 2a 05 b9 6d 79 |.:{.y......*..my|
00000300 6f fb f8 1e b8 ab b8 e9 c3 91 08 04 00 80 b9 00 |o...............|
00000310 a1 01 7d c7 fd 3e bc ba 44 42 64 68 21 7b b7 98 |..}..>..DBdh!{..|
00000320 c1 9f 17 a6 a1 a3 7f 9e 63 d7 ee b7 53 d4 7c 48 |........c...S.|H|
00000330 89 6e 20 0d 29 a1 b4 56 2c 83 7e d7 ab 3a 28 65 |.n .)..V,.~..:(e|
00000340 03 a1 be 6b 0d 89 39 c4 c9 fc fd 41 f0 bd c2 cb |...k..9....A....|
00000350 40 d5 54 2e 98 0a b1 a0 86 65 cc 6a e9 5f 47 51 |@.T......e.j._GQ|
00000360 a4 b4 40 47 25 ae df 93 c2 b6 eb fe b6 71 fe 04 |..@G%........q..|
00000370 1e 98 d0 91 8b c7 ea 58 91 23 a7 76 67 ba 7a fd |.......X.#.vg.z.|
00000380 49 f0 c2 70 70 50 06 23 5e 31 90 4e 58 98 16 03 |I..ppP.#^1.NX...|
00000390 03 00 04 0e 00 00 00 |.......|
>>> Flow 3 (client to server)
00000000 16 03 03 00 46 10 00 00 42 41 04 1e 18 37 ef 0d |....F...BA...7..|
@ -77,17 +82,17 @@
00000020 a7 24 20 3e b2 56 1c ce 97 28 5e f8 2b 2d 4f 9e |.$ >.V...(^.+-O.|
00000030 f1 07 9f 6c 4b 5b 83 56 e2 32 42 e9 58 b6 d7 49 |...lK[.V.2B.X..I|
00000040 a6 b5 68 1a 41 03 56 6b dc 5a 89 14 03 03 00 01 |..h.A.Vk.Z......|
00000050 01 16 03 03 00 28 00 00 00 00 00 00 00 00 50 f3 |.....(........P.|
00000060 bf 97 9d c6 91 b6 26 91 b2 b2 04 18 62 48 7d e8 |......&.....bH}.|
00000070 f7 79 e6 ff a9 71 66 0e ed 7c f8 f8 24 a4 |.y...qf..|..$.|
00000050 01 16 03 03 00 28 00 00 00 00 00 00 00 00 e8 f8 |.....(..........|
00000060 61 5f dc c0 12 cd e2 09 7a a9 61 4f 77 29 aa 9d |a_......z.aOw)..|
00000070 52 11 b9 35 66 1d ac e1 e7 05 f8 f7 d7 cc |R..5f.........|
>>> Flow 4 (server to client)
00000000 14 03 03 00 01 01 16 03 03 00 28 02 94 9b f6 79 |..........(....y|
00000010 47 11 f7 0a 0d 94 cb 0c de d4 04 83 93 0f 41 a4 |G.............A.|
00000020 8e 40 99 da 17 db 97 cc 07 de d9 7b 36 b6 88 da |.@.........{6...|
00000030 d7 9d 05 |...|
00000000 14 03 03 00 01 01 16 03 03 00 28 dd 5b e0 29 02 |..........(.[.).|
00000010 9a 71 85 fb c1 d6 c0 fe 89 22 8d 86 9f 64 ab 70 |.q......."...d.p|
00000020 ec 07 9a 61 a0 af 13 7b 04 e2 73 df f6 c2 06 86 |...a...{..s.....|
00000030 a7 b2 65 |..e|
>>> Flow 5 (client to server)
00000000 17 03 03 00 1e 00 00 00 00 00 00 00 01 f6 fa 55 |...............U|
00000010 88 a8 ea bc c6 d7 de 17 f9 1a 0b 66 68 48 51 ab |...........fhHQ.|
00000020 ad 54 ff 15 03 03 00 1a 00 00 00 00 00 00 00 02 |.T..............|
00000030 bc 1b da 21 83 5f 34 55 ed 33 18 18 96 e5 f6 b9 |...!._4U.3......|
00000040 2e d9 |..|
00000000 17 03 03 00 1e 00 00 00 00 00 00 00 01 d8 7a 81 |..............z.|
00000010 28 a5 af fc 7d 02 4a 1c f5 a2 0f 65 65 ad d1 c2 |(...}.J....ee...|
00000020 2b fe 49 15 03 03 00 1a 00 00 00 00 00 00 00 02 |+.I.............|
00000030 94 20 af f9 53 43 6e c0 bd 0a fb ce b8 cc b5 3f |. ..SCn........?|
00000040 39 73 |9s|