2013/4/11 Dave Thompson <dthomp...@prinpay.com>

> >From: owner-openssl-us...@openssl.org On Behalf Of Felipe Blauth
> >Sent: Wednesday, 10 April, 2013 17:35
>
> >[In a server] I can't use SSL_CTX_load_verify_locations anymore,
> >because now I load stuff from a database. So I was happy
> >adding the certificates I need to form my trusted path through
> >SSL_CTX_add_extra_chain_cert and then...  didn't work =(.
>
> >Digging a bit I found a post here in openssl-users that
> >explains that I need to add the certificates via
> >X509_STORE_add_cert [to SSL_CTX_get_cert_store()]
>
> _add_extra_chain_cert adds a cert to the chain this entity
> uses to authenticate itself to the peer; in a server this
> means it adds to the chain the server sends the client.
> _use_certificate_chain_file effectively combines
> _use_certificate plus _extra_chain from a file only.
>
> Ah... I made a confusion. Thanks for the clarifications. I didn't know I
could put more certs to send to the peer. I thought all I could do was set
up a single cert via SSL_CTX_use_certificate
or SSL_CTX_use_certificate_file. Shame on me ^.^


> _load_verify provides or locates certs this entity uses
> to verify the cert/chain *from* the peer; in a server
> these are the certs the server uses to verify the client --
> if client-authentication is used, which often is isn't.
> This is called the "trust store" because it is used to
> determine whether which other parties you trust.


> These are different functions, although they can become
> confused because *if* your "own" chain is incomplete
> *and* the cert(s) needed to complete are in the trustore,
> OpenSSL automatically finds and adds them. Thus you can use
> either way to provide your own chain, but only _load_verify,
> or as you found _add_cert to the cert_store, to provide
> the trust store.
>
> Which of these two things do you want?
>
I wanted to add certs to the "trust store" since I had already added my
cert via SSL_CTX_use_certificate (and that's all I need). You made yourself
very clear, no doubts left.

>
>
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-- 
Felipe Menegola Blauth

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