[openssl-users] PKCS7_verify() <- list of used/unused certificates?

2015-11-01 Thread Michael Heide
Hi, with PKCS7_verify() you can provide a list of certificates which OpenSSL can use to build and verify the chain. Either within the PKCS7 *p7 or with STACK_OF(X509) *certs. Is there some way to figure out which certificates in p7/certs are used (or not used) to verify the chain? Regards Mi

Re: [openssl-users] Thoughts about security, privacy, ...

2015-11-01 Thread Walter H.
On 01.11.2015 10:25, Matt Caswell wrote: CT is the answer to a big problem. I fail to see that CAs deploying CT is a problem. I also don't see why only a CA can do this. There might be some adversaries that are perfectly capable of building large databases of certificates that they have "collecte

Re: [openssl-users] Thoughts about security, privacy, ...

2015-11-01 Thread Matt Caswell
On 01/11/15 08:21, Walter H. wrote: > On 31.10.2015 23:23, Michael Ströder wrote: >> Walter H. wrote: >>> give me a hint for finding S/MIME certificates, finding my own would >>> be nice; >> You claim that clear-text OCSP requests are not a privacy issue. > yes ..., a security problem I mentioned

Re: [openssl-users] Thoughts about security, privacy, ...

2015-11-01 Thread Walter H.
On 31.10.2015 23:23, Michael Ströder wrote: Walter H. wrote: give me a hint for finding S/MIME certificates, finding my own would be nice; You claim that clear-text OCSP requests are not a privacy issue. yes ..., a security problem I mentioned in connection with stupid CAs some posts before is