File 2202-crypto-Test-case-with-a-failing-Pub-Priv-P... of Package erlang

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File 2202-crypto-Test-case-with-a-failing-Pub-Priv-P-G-combina.patch of Package erlang

From 93ac4697e3289f0fd1623a4b44b312f5196d91c5 Mon Sep 17 00:00:00 2001
From: Hans Nilsson <hans@erlang.org>
Date: Mon, 26 Mar 2018 13:49:01 +0200
Subject: [PATCH 2/2] crypto: Test case with a failing Pub/Priv/P/G combination
 This quadruple is from a failing test when trying to EVP-ify the dh
 functions.

---
 lib/crypto/test/crypto_SUITE.erl | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl
index 6dab459df6..d148fa3856 100644
--- a/lib/crypto/test/crypto_SUITE.erl
+++ b/lib/crypto/test/crypto_SUITE.erl
@@ -131,7 +131,8 @@ groups() ->
      {ecdsa, [], [sign_verify
                 %% Does not work yet:  ,public_encrypt, private_encrypt
                  ]},
-     {dh, [], [generate_compute]},
+     {dh, [], [generate_compute,
+               compute_bug]},
      {ecdh, [], [compute, generate]},
      {srp, [], [generate_compute]},
      {des_cbc, [], [block]},
@@ -463,6 +464,24 @@ generate_compute(Config) when is_list(Config) ->
     GenCom = proplists:get_value(generate_compute, Config),
     lists:foreach(fun do_generate_compute/1, GenCom).
 %%--------------------------------------------------------------------
+compute_bug() ->
+    [{doc, "Test that it works even if the Secret is smaller than expected"}].
+compute_bug(Config) ->
+    ExpectedSecret = <<118,89,171,16,156,18,156,103,189,134,130,49,28,144,111,241,247,82,79,32,228,11,209,141,119,176,251,80,105,143,235,251,203,121,223,211,129,3,233,133,45,2,31,157,24,111,5,75,153,66,135,185,128,115,229,178,216,39,73,52,80,151,8,241,34,52,226,71,137,167,53,48,59,224,175,154,89,110,76,83,24,117,149,21,72,6,186,78,149,74,188,56,98,244,30,77,108,248,88,194,195,237,23,51,20,242,254,123,21,12,209,74,217,168,230,65,7,60,211,139,128,239,234,153,22,229,180,59,159,121,41,156,121,200,177,130,163,162,54,224,93,1,94,11,177,254,118,28,156,26,116,10,207,145,219,166,214,189,214,230,221,170,228,15,69,88,31,68,94,255,113,58,49,82,86,192,248,176,131,133,39,186,194,172,206,84,184,16,66,68,153,128,178,227,27,118,52,130,122,92,24,222,102,195,221,207,255,13,152,175,65,32,167,84,54,244,243,109,244,18,234,16,159,224,188,2,106,123,27,17,131,171,226,34,111,251,62,119,155,124,221,124,254,62,97,167,1,105,116,98,98,19,197,30,72,180,79,221,100,134,120,117,124,85,73,132,224,223,222,41,155,137,218,130,238,237,157,161,134,150,69,206,91,141,17,89,120,218,235,229,37,150,76,197,7,157,56,144,42,203,137,100,200,72,141,194,239,1,67,236,238,183,48,214,75,76,108,235,3,237,67,40,137,45,182,236,246,37,116,103,144,237,142,211,88,233,11,24,21,218,41,245,250,51,130,250,104,74,189,17,69,145,70,50,50,215,253,155,10,128,41,114,185,211,82,164,72,92,17,145,104,66,6,140,226,80,43,62,1,166,216,153,118,96,15,147,126,137,118,191,192,75,149,241,206,18,92,17,154,215,219,18,6,139,190,103,210,156,184,29,224,213,157,60,112,189,104,220,125,40,186,50,119,17,143,136,149,38,74,107,21,192,59,61,59,42,231,144,59,175,3,176,87,23,16,122,54,31,82,34,230,211,44,81,41,47,86,37,228,175,130,148,88,136,131,254,241,202,99,199,175,1,141,215,124,155,120,43,141,89,11,140,120,141,29,35,82,219,155,204,75,12,66,241,253,33,250,84,24,85,68,13,80,85,142,227,34,139,26,146,24>>,
+    OthersPublicKey = 635619632099733175381667940709387641100492974601603060984753028943194386334921787463327680809776598322996634648015962954045728174069768874873236397421720142610982770302060309928552098274817978606093380781524199673890631795310930242601197479471368910519338301177304682162189801040921618559902948819107531088646753320486728060005223263561551402855338732899079439899705951063999951507319258050864346087428042978411873495523439615429804957374639092580169417598963105885529553632847023899713490485619763926900318508906706745060947269748612049634207985438016935262521715769812475329234748426647554362991758104620357149045960316987533503707855364806010494793980069245562784050236811004893018183726397041999426883788660276453352521120006817370050691205529335316794439089316232980047277245051173281601960196573681285904611182521967067911862467395705665888521948321299521549941618586026714676885890192323289343756440666276226084448279082483536164085883288884231665240707495770544705648564889889198060417915693315346959170105413290799314390963124178046425737828369059171472978294050322371452255088799865552038756937873388385970088906560408959959429398326288750834357514847891423941047433478384621074116184703014798814515161475596555032391555842,
+    MyPrivateKey = 387759582879975726965038486537011291913744975764132199838375902680222019267527675651273586836110220500657652661706223760165097275862806031329642160439090779625708664007910974206651834216043397115514725827856461492311499129200688538220719685637154290305617686974719521885238198226075381217068175824097878445476010193039590876624464274744156624589136789060427283492343902761765833713520850870233407503430180028104167029073459918756981323130062648615262139444306321256382009848217866984408901761817655567071716275177768316006340055589170095799943481591033461616307776069027985761229636731465482676467627154100912586936231051371168178564599296638350391246393336702334311781595616786107810962134407697848002331639021101685320844880636050048769216986088652236979636019052557155807310341483407890060105599892252118584570558049301477535792498672552850760356632076013402382600669875697284264329434950712239302528367835155163504374877787288116104285944993818319105835423479332617802010952731990182088670508346704423006877514817882782443833997288652405892920173712497948376815825396272381214976859009518623799156300136570204539240675245115597412280078940442452936425561984312708387584800789375684525365060589104566195610526570099527133097201479,
+    P = 818034524162384276004384029858643530286875094391273833506734966261806257117433972760379103507630310628953496150318170372254219924175532996281953750642804369831900894594960807970232131410638888573275563720690293481410915588408505771183615664441221559618326229227448328879290185035795866796496147000467456347856187771645103733376761936369144682074588463621004219054111244232031965820058057143484947957179035662640791007685559024477920075136419228662974090561346329074935312181886940693299380892129818458511403741106419480550004799657220331973244248753744516935739033770420884365608406478656143540532371463443324228730693491647103274058971797182813283112583029849186056551355376851686616057869624968077484471229044125401535456699914745876082047459812392122562460031611344154642406382436701361983114768023990405077450124649862159757605118611426368650203370143674925598905779061402007525955196464201496773278952462368223659263492419274489020447849336502432222101793313731259141617677580646998184158969477474527427664187763741360356528830301163614618231141541403007931347398186427059736520580903587497382362610721261644208653717495736748724114113311672504064943864203789205551568648546606356374830209356446449765364678719909024329058480379,
+    G = 2,
+    DHParameters = [P, G],
+    case crypto:compute_key(dh, OthersPublicKey, MyPrivateKey, DHParameters) of
+        ExpectedSecret ->
+            ok;
+        Others ->
+            ct:log("Got ~p",[Others]),
+            {fail, "crypto:compute_key(dh,...) failed for the bug test"}
+    end.
+
+%%--------------------------------------------------------------------
 no_generate_compute() ->
      [{doc, "Test crypto:genarate_key and crypto:compute_key "
        "for disabled algorithms"}].
-- 
2.16.3

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