Re: Year 2038 problem

2008-10-06 Thread Philipp Gühring
Hi,

> How does openssl address this problem?  Is there a patch so that it does
> not set the expiration date beyond the 2038 wrap around time?

We just experienced exactly the same problem, and would be happy if it
got solved by OpenSSL.

There is a workaround available for this specific problem:
openssl ca -in CSR.csr -batch -enddate 400102030405Z


The biggest Problem with the Y2038 problem I see is that most people
believe that it will go away due to the migration to 64 Bit machines.
But this isn't going to happen. We have to start fixing 2038 now, also
for all our 32 Bit platforms, 16 Bit platforms and 8 Bit platforms.

Best regards,
Philipp Gühring
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Re: Openssl and Multi-Sites Certificats SSL

2005-11-23 Thread Philipp Gühring
Hi,

> New to this mailling lists. Hope you can help me in compelting my task.
> I d'like to generate a Sefl Signed SSL Certificates which will be serve for
> multi hosted sites on the same server.
>
> Can someone tell me how to that please ?

Here is the overview, best currently possible solution, and a tool to do it 
for you:
http://wiki.cacert.org/wiki/VhostTaskForce

Best regards,
Philipp Gühring

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SSL Storage

2005-08-14 Thread Philipp Gühring
Hi,

Is it possible to save the content that was transmitted in a SSL session, in a 
way that the signature of the SSL session is still preserved, but the 
encryption is decrypted? 
So that the SSL session can be stored, and the content be verified afterwards 
offline again?

With simple tcpdump, I can save the SSL session in encrypted form (from 
outside the tunnel).
With stunnel, I can save the the content inside the SSL session, but without 
the signature.
Is it theoretically possible?
Is it practically possible with OpenSSL?

Regards,
Philipp Gühring

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Re: Non-std attributes in certificate requests

2005-08-02 Thread Philipp Gühring
Hi,

> OpenSSL can include arbitrary data in *extensions* in certificates.
> Similarly you can also do that in *extensions* in certificate requests.

I tried to put it into extensions before, without luck.

> What you have above is an attribute in a certificate request the contents
> of which are assumed to be an ASCII (well normally ASCII) string. You get a
> similar result if you tried to but "DER" in a certificate DN component.

Ok. Accepted

> If you do put arbitrary unstructured data in a certificate or request
> that's likely to choke some ASN1 parsers. A better way is to enclose that
> data in an OCTET STRING (or whatever is appropriate) using the OpenSSL
> 0.9.8 mini-ASN1 compiler.

Yes, OCTET STRING would be also fine.

I just need an efficient method to encode binary data into a certificate 
request extension, which the CA has to extract and ignore afterwards. 
(It is meta-information for the CA, and does not go into the certificate)

Could you give me a short configuration example how I can put my binary data 
through hex encoding (or something else) into an Octet String typed extension 
into a certificate request?

(The examples and documentation I could find only covers the certificates, not 
the requests)

Regards,
Philipp Gühring

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Non-std attributes in certificate requests

2005-08-02 Thread Philipp Gühring
Hi,

How can I include arbitrary binary data in a certificate request with OpenSSL?

Currently, I am trying it the following way:

[ new_oids ]
qcsr=1.3.6.1.4.1.18506.1.1

[ req_attributes ]
qcsr = Qualified Public Key Signature
qcsr_default=DER:3CB63813C2F6468422BE2A07A1115D218D8b

Do you notice the small "b" at the end?

If it were encoded binary correctly, all hex-characters would be uppercase or 
lowercase together.

Bit the result is still mixed-case:

1.3.6.1.4.1.18506.1.1:DER:3CB63813C2F6468422BE2A07A1115D218D8b

Could it be that OpenSSL can only encode arbitrary data in x.509 certificates, 
but not in certificate requests?

Regards,
Philipp Gühring

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Off-Topic: Wildcard Certificates

2002-03-12 Thread Philipp Gühring

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Hi,

I read somewhere, that wildcard certificates are generally possible. 
(With the exception that not every implementation might like it)

What about a certificate for *.com, *.org or *.net ?

I guess, I will have to try, whether any of the certificate authorities 
accepts a certificate request like that. 
I think some of them look through the wildcard requests manually ...

Many greetings,
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~ Philipp Gühring  [EMAIL PROTECTED]
~ http://www.livingxml.net/   ICQ UIN: 6588261
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=b1n8
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XMLDSig

2002-01-31 Thread Philipp Gühring

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Hi!

I want to sign XML documents.
So I am searching for a OpenSSL based XMLDSig (Digital Signatures in XML) 
implementation, that would be useable from Perl scripts. 

(I guess I could live with a XMLDSig compliant implementation of Digital 
Signautures for XML too, at least for the moment)

Is anyone working on that topic, or are there already useable solutions?

As far as I can see, there are only Java Based XMLDSig implementations 
available ...

Many greetings,
- -- 
~ Philipp Gühring  [EMAIL PROTECTED]
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=/jn7
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Re: IE problem with self-signed certificate

2001-12-20 Thread Philipp Gühring

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> Which is fine.  However, IE simply fails to display the image.  No dialog
> asking
> to accept the certificate, no nothing.  That is, for me and all but one of
> my co-workers.

Could it be that you and them already accepted the certificate as valid, and 
therefore get not asked anymore?

Many greetings,
- -- 
~ Philipp Gühring  [EMAIL PROTECTED]
~ http://www.livingxml.net/   ICQ UIN: 6588261
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