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Re: [barnowl/barnowl] Experimental Zulip support (#184)

daemon@ATHENA.MIT.EDU (Anders Kaseorg)
Tue Oct 17 03:09:45 2017

Date: Mon, 16 Oct 2017 12:54:34 -0700
From: Anders Kaseorg <notifications@github.com>
Reply-To: barnowl/barnowl <reply+004448c9c092f6e8321066d5a76c26060496cbcda06ff30a92cf0000000115fcd07a92a169ce0fd8a3d7@reply.github.com>
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In-Reply-To: <barnowl/barnowl/pull/184@github.com>


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andersk commented on this pull request.



> +    }
+    if ($cfg{'api_url'} =~ /^https/) {
+        if (exists $cfg{'ssl_key_file'}) {
+            $tls_ctx = new AnyEvent::TLS(verify => $cfg{'ssl_verify'}, 
+                                         sslv3 => 0, verify_peername => "http",
+                                         ca_file => $cfg{'ssl_ca_file'},
+                                         cert_file => $cfg{'ssl_cert_file'},
+                                         key_file => $cfg{'ssl_key_file'});
+        } else {
+            $tls_ctx = new AnyEvent::TLS(verify => $cfg{'ssl_verify'}, 
+                                         sslv3 => 0, verify_peername => "http",
+                                         ca_file => $cfg{'ssl_ca_file'});
+        }           
+    } else {
+        # we still want it for a unique id
+        $tls_ctx = int(rand(1024));

How unique can it be if you expect a collision within ~32 calls?

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<p><b>@andersk</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/barnowl/barnowl/pull/184#discussion_r144950687">perl/modules/Zulip/lib/BarnOwl/Module/Zulip.pm</a>:</p>
<pre style='color:#555'>&gt; +    }
+    if ($cfg{&#39;api_url&#39;} =~ /^https/) {
+        if (exists $cfg{&#39;ssl_key_file&#39;}) {
+            $tls_ctx = new AnyEvent::TLS(verify =&gt; $cfg{&#39;ssl_verify&#39;}, 
+                                         sslv3 =&gt; 0, verify_peername =&gt; &quot;http&quot;,
+                                         ca_file =&gt; $cfg{&#39;ssl_ca_file&#39;},
+                                         cert_file =&gt; $cfg{&#39;ssl_cert_file&#39;},
+                                         key_file =&gt; $cfg{&#39;ssl_key_file&#39;});
+        } else {
+            $tls_ctx = new AnyEvent::TLS(verify =&gt; $cfg{&#39;ssl_verify&#39;}, 
+                                         sslv3 =&gt; 0, verify_peername =&gt; &quot;http&quot;,
+                                         ca_file =&gt; $cfg{&#39;ssl_ca_file&#39;});
+        }           
+    } else {
+        # we still want it for a unique id
+        $tls_ctx = int(rand(1024));
</pre>
<p>How unique can it be if you expect a collision within ~32 calls?</p>

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