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Message from discussion = Re: [android-developers] Proguard causes problems with SSL keystore on Android

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Date: Fri, 18 Nov 2011 00:40:20 -0800 (PST)
From: Mathias Lin <m...@mathiaslin.com>
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Subject: [ http://make-money-training.blogspot.com ]= Re: [android-developers]
 Proguard causes problems with SSL keystore on Android
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I removed -repackageclasses and -allowaccessmodification, but no difference 
- getting the same error.


On Friday, 18 November 2011 13:20:21 UTC+8, Nikolay Elenkov wrote:
>
> On Fri, Nov 18, 2011 at 2:05 PM, Mathias Lin <ma...@mathiaslin.com> wrote:
> > In an Android app, I fetch content from a https url; in order to avoid 
> SSL
> > cert verification errors, I add the SSL public key to my keystore, which
> > then resides in my res/raw folder of the app. Following the instructions 
> as
> > on 
> http://blog.crazybob.org/2010/02/android-trusting-ssl-certificates.html,
> > which all works fine so far.
> >
> > ..until I activate Proguard and obfuscation. With Proguard activated, I 
> am
> > getting the following error,
> >
> > ERROR/Login(4401): Could not login.
> >     javax.net.ssl.SSLException: hostname in certificate didn't match:
> > <store.mydomain.com/185.165.192.15> != <store.mydomain.com> OR
> > <store.mydomain.com>
> >     at xyz.fd.a(Unknown Source)
> >
> > which I don't quite understand. Why would the identification of the url
> > change in a way that it's also fetching the /<ipAddress> together with 
> the
> > domain name, whereas it works fine without Proguard obfuscation.
>
> Try dropping the more aggressive options like -repackageclasses and
> -allowaccessmodification options and see if that changes anything.
>

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I removed&nbsp;<span class=3D"Apple-style-span" style=3D"border-style: init=
ial; border-color: initial; line-height: 18px; ">-repackageclasses and&nbsp=
;</span><span class=3D"Apple-style-span" style=3D"border-style: initial; bo=
rder-color: initial; line-height: 18px; ">-allowaccessmodification, but no =
difference - getting the same error.</span><div><span class=3D"Apple-style-=
span" style=3D"line-height: 18px;"><br></span><br>On Friday, 18 November 20=
11 13:20:21 UTC+8, Nikolay Elenkov  wrote:<blockquote class=3D"gmail_quote"=
 style=3D"margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-=
left: 1ex;">On Fri, Nov 18, 2011 at 2:05 PM, Mathias Lin &lt;<a>ma...@mathi=
aslin.com</a>&gt; wrote:<br>&gt; In an Android app, I fetch content from a =
https url; in order to avoid SSL<br>&gt; cert verification errors, I add th=
e SSL public key to my keystore, which<br>&gt; then resides in my res/raw f=
older of the app. Following the instructions as<br>&gt; on&nbsp;<a href=3D"=
http://blog.crazybob.org/2010/02/android-trusting-ssl-certificates.html" ta=
rget=3D"_blank">http://blog.crazybob.org/<wbr>2010/02/android-trusting-ssl-=
<wbr>certificates.html</a>,<br>&gt; which all works fine so far.<br>&gt;<br=
>&gt; ..until I activate Proguard and obfuscation. With Proguard activated,=
 I am<br>&gt; getting the following error,<br>&gt;<br>&gt; ERROR/Login(4401=
): Could not login.<br>&gt; &nbsp; &nbsp; javax.net.ssl.SSLException: hostn=
ame in certificate didn't match:<br>&gt; &lt;<a href=3D"http://store.mydoma=
in.com/185.165.192.15" target=3D"_blank">store.mydomain.com/185.165.<wbr>19=
2.15</a>&gt; !=3D &lt;<a href=3D"http://store.mydomain.com" target=3D"_blan=
k">store.mydomain.com</a>&gt; OR<br>&gt; &lt;<a href=3D"http://store.mydoma=
in.com" target=3D"_blank">store.mydomain.com</a>&gt;<br>&gt; &nbsp; &nbsp; =
at xyz.fd.a(Unknown Source)<br>&gt;<br>&gt; which I don't quite understand.=
 Why would the identification of the url<br>&gt; change in a way that it's =
also fetching the&nbsp;/&lt;ipAddress&gt;&nbsp;together with the<br>&gt; do=
main name, whereas it works fine without Proguard obfuscation.<p>Try droppi=
ng the more aggressive options like -repackageclasses and<br>-allowaccessmo=
dification options and see if that changes anything.<br></p></blockquote></=
div>

<p></p>

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