Re: [iText-questions] Signature timestamp

[Aleksandras S]

Hi, did you solve this problem?

>
> 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?
>
>