[openssl-users] Core dump on DSA_free -- libssl.so.1.0.0
rsalz at akamai.com
Fri Aug 11 19:42:12 UTC 2017
Please read what I wrote.
The d2i functions *modify the pointer they are given.* You have to give them a temporary copy.
Senior Architect, Akamai Technologies
Member, OpenSSL Dev Team
IM: richsalz at jabber.at Twitter: RichSalz
From: Jason Qian [mailto:jqian at tibco.com]
Sent: Friday, August 11, 2017 3:14 PM
To: Salz, Rich <rsalz at akamai.com>
Cc: openssl-users at openssl.org
Subject: Re: [openssl-users] Core dump on DSA_free -- libssl.so.1.0.0
Thanks for look into this,
void * pKey = LockResource(hHandle);
The code works most of the time, only occasionally generates exception and Not sure why on DSA_free(pDSA);
On Fri, Aug 11, 2017 at 2:57 PM, Salz, Rich <rsalz at akamai.com<mailto:rsalz at akamai.com>> wrote:
> DSA *pDSA = d2i_DSA_PUBKEY(NULL, (const unsigned char **) &pKey, dwKeySize);
Where and how is pKey set? Not that the manpage says it's incremented to point *past* the object, so you need something like
unsigned char data = .....whatever your data source is .....
unsigned char *pKey = data
and then use &pKey in your call
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