Thank you, looking forward to.

Am 2019-08-02 um 11:59 schrieb Weijun Wang:
Great. This is also easy for me.

--Max

On Aug 2, 2019, at 5:20 PM, Michael Osipov <1983-01...@gmx.net> wrote:

On Jun 1, 2019, at 7:17 PM, Michael Osipov <1983-01...@gmx.net> wrote:

Can you please explain why not simple PEM bundles like OpenSSL have been
chosen?

Is that /etc/ssl/certs on Ubuntu? It's a directory containing a lot of PEM 
files. Do you prefer this style or a big file containing multiple PEM blocks?

Hi Max,

I prefer the latter. This works flawlessly for OpenSSL-based apps on FreeBSD, 
RHEL and HP-UX for me:

RHEL:
$ ll /etc/ssl/certs/ca-bundle.crt
lrwxrwxrwx. 1 root root 49 2018-11-02 15:15 /etc/ssl/certs/ca-bundle.crt -> 
/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
FreeBSD:
# ll /usr/local/etc/ssl/cert.pem
-rw-r--r--  1 root  wheel  1073753 2019-07-31 10:14 /usr/local/etc/ssl/cert.pem
HP-UX:
# ll /opt/openssl/cert.pem
-rw-r--r-- 1 root sys 1081003 2019-04-18 11:45 /opt/openssl/cert.pem

These bundles contain public-known CAs from Mozilla as well as all intermediate 
and root CAs from our company:
https://new.siemens.com/global/en/general/legal/ca-certificates.html

I think this is the function doing the magic: 
https://www.openssl.org/docs/man1.1.0/man3/SSL_CTX_load_verify_locations.html

Michael



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