No I couldn't solve this problem with iText.
I tried demo version of SecureBlackbox for .Net for creating timestamped
PDF with PKCS7 and everything was ok.
I don't know where is the mistake and how to achieve it in iText..
Tomek
Aleksandras S napisał(a):
Hi, did you solve this problem?
>
> On 19/05/06, *Tomek Maćkowski* < [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
>
> Hi
>
>
> I have a problem with timestamp of digital signature. I
create this
> signature as 'adbe.pkcs7.detached ' and everything works
fine. Now
> I want
> to add a timestamp to the signature (by adding ASN.1
> 'id-smime-aa-timeStampToken' atribute to PKCS7 signature as
in RFC
> 3161
> Appendix A). When i open this created pdf the signature is
visible
> , it
> is verified, but acrobat reader does't show time of
signature nor
> timestamp authority (on Data/Time tab of signature properties)
> only 'Not
> available' text is shown (it shows only info: siignature is
> timestamped
> but the timestamp could not be verified)
>
> When I open a sample document prepared by adobe which contains
> signature
> with timestampi can see signing date and timestamp authority.
> I think there is a problem of parsing the signature by security
> handler.
>
>
> Do you have any ideas or expierences with timestamped
signaatures?
>
>
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