Hi, did you solve this problem?
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Aleksandras S
Sent: Friday, May 26, 2006 5:31 PM
To: [email protected]
Subject: Re: [iText-questions] Signature timestamp
>
> On 19/05/06, *Tomek Maćkowski* < [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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