Hi,

I got mysself a Thawte Freemail certificate. First, I downloaded it
hitting the "fetch" button in __Firefox__. Firefox is keeping the keys
and certificate in some PKCS#11 encrypted form. I used the "Backup"
feature to obtain a *.p12 file. From this point on I can convert it
using OpenSSL to PEM or anything else and I seem to understand what I
do.

But when I visit the Thawte site using __Lynx__ and hit the "fetch"
button there, I get a file that I cannot find out of what type it is.

Is there an OpenSSL tool to determine a files type?


I'm suspicious that it is some *.p7X format as I can at least bring it
to a PEM form entering

  openssl pkcs7 -in downloaded_file -inform der

The command -print_certs yields nothing. I try to obtain further
information using the Ruby OpenSSL suite. When I ask to decrypt the file
I get an error "wrong content type".

As I already got an .p12 key suite and successfully use it to encrypt
and sign mails, the research about what is going on here is of no
practical use for me. Anyway I would like to understand what kind of
file I'm dealing with. Could anyone give me a hint where to look at
next?

Thanks in advance,

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de
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