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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Please read what I wrote.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">The d2i functions *<b>modify the pointer they are given.</b>* You have to give them a temporary copy.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">--
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Senior Architect, Akamai Technologies<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Member, OpenSSL Dev Team<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">IM: richsalz@jabber.at Twitter: RichSalz<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Jason Qian [mailto:jqian@tibco.com]
<br>
<b>Sent:</b> Friday, August 11, 2017 3:14 PM<br>
<b>To:</b> Salz, Rich <rsalz@akamai.com><br>
<b>Cc:</b> openssl-users@openssl.org<br>
<b>Subject:</b> Re: [openssl-users] Core dump on DSA_free -- libssl.so.1.0.0<o:p></o:p></span></p>
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<p class="MsoNormal">Thanks for look into this,<o:p></o:p></p>
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<p class="MsoNormal">void * pKey = LockResource(hHandle);<o:p></o:p></p>
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<p class="MsoNormal">The code works most of the time, only occasionally generates exception and Not sure why on DSA_free(pDSA);<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Aug 11, 2017 at 2:57 PM, Salz, Rich <<a href="mailto:rsalz@akamai.com" target="_blank">rsalz@akamai.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">> DSA *pDSA = d2i_DSA_PUBKEY(NULL, (const unsigned char **) &pKey, dwKeySize);<br>
<br>
Where and how is pKey set? Not that the manpage says it's incremented to point *past* the object, so you need something like<br>
unsigned char data = .....whatever your data source is .....<br>
unsigned char *pKey = data<br>
and then use &pKey in your call<o:p></o:p></p>
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