After experimenting, I can confirm this is the same issue we're seeing, although experiencing it very differently from the MIT/Kerberos team. I can confirm that right now PKCS7 sign/encrypt/decrypt is broken. I'd love to help fix it, but I'm not yet up to speed on bio_enc.c and evp_enc.c. For now, I think wait for a fix is the best approach. What is the accepted way for "the great unwashed" to follow tickets? I got into the ticket system as a guest, but as guest I can't asked to be notified about status updates. Is there a process to request a full account on rt.openssl.org? Once the fix is ready, I'll submit a unittest to help with regression testing PKCS7 sign-encrypt-decrypt-verify. Thanks for you help. > -----Original Message----- > From: openssl-users [mailto:openssl-users-bounces at openssl.org] On > Behalf Of Dr. Stephen Henson > Sent: Tuesday, July 26, 2016 12:07 PM > To: openssl-users at openssl.org > Subject: Re: [openssl-users] PKCS7_sign conflict with PKCS7_decrypt? > > On Tue, Jul 26, 2016, Jim Carroll wrote: > > > Steve -- thanks, but I don't think I was clear enough. > > > > I am trying to get back the signed content, but when I call > PKCS7_decrpyt() > > I get back an empty buffer. Is this my flawed understanding of > > PKCS7_sign(). Is there some other way to get back the original > signed > > content that I'm missing? > > > > That is the overlapping buffers bug (ticket 4628). I suggest you try > pre5 > instead of the current master or wait for this bug to be fixed > > Steve. > -- > Dr Stephen N. Henson. 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