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Signature timestamp

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* < tmackowski (at) gmail.com
    <mailto:tmackowski (at) gmail.com>
    > <mailto:tmackowski (at) gmail.com <mailto:tmackowski (at) gmail.com>>> 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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