Hi Marten,
> how can I view the information that are contained in a CSR, KEY or
> CRT-file? E.g. for which hostname a cert is issued, when it will expire,
> who is the company it is issued for ...
The CSR file information
can be viewed using the following command line options
# openssl req -noout -text -in
<CSR-filename>
The CRT file information can be viewed using the
following command line options
# openssl x509 -noout -text -in
<CRT-filename>
Key file information can be viewwed using the
following command line options
# openssl req -noout -text -in
<KEY-filename># openssl rsa -in <KEY-filename> -text -noout
Thanks,
ViSolve Security Consulting group