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Software components for data protection, secure storage and transfer

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Cross-platform protocol-independent communication framework for building peer-to-peer and client-server applications and middleware components.
#11554
Posted: 11/04/2009 15:30:05
by Qualisoft CQPD (Standard support level)
Joined: 03/13/2007
Posts: 55

I am not able to insert a timestamp on documents already signed.
How to insert timestamp in a signed PDF, a signed PKCS7 and signed a CMS?

thanks for help
#11555
Posted: 11/04/2009 15:47:52
by Ken Ivanov (EldoS Corp.)

It is not always possible to insert a timestamp to a signed PDF document (enough space should be reserved for it in the document by the signer). SecureBlackbox components provide means for the document signer to reserve such space in the document to allow timestamping it in future.

Please use CMSManager sample as a guide of adding the timestamp to the PKCS7/CMS messafe.
#11556
Posted: 11/04/2009 15:51:47
by Qualisoft CQPD (Standard support level)
Joined: 03/13/2007
Posts: 55

thanks Innokentiy.

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