on 10-09-2008 6:56 AM
Hello SDN,
I have to implement Digital signatures in my Webdynpro interactive forms. In sdn I found one example related to online Interactive form security but for offline I couldnt find.
In offline scenario, a user will send pdf form to customer or employee etc to fill the form and send it back.
1) Here how a receiver will know that he got the form, from an authorized person?
2) Once the form is filled and send it back, how receiver can validate whether the filled form came from an authorized person?
3) Also how exactly I can use digital signatures? what are the technical requirements for implementing digital signatures?(SSL is mandatory?)
Can some one guide me on this?
Appreciate your help.
With regards,
Ravi
Hi Ravi,
Here are the details.
http://help.sap.com/erp2005_ehp_03/helpdata/EN/46/824c5c89a550d1e10000000a155369/frameset.htm
http://help.sap.com/erp2005_ehp_03/helpdata/EN/4f/65c3b32107964996a56e4165077e24/frameset.htm
http://help.sap.com/erp2005_ehp_03/helpdata/EN/58/06abab9ccf44e294105607707e5c50/frameset.htm
Thanks
Anup
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Hi Ravi,
Digital signatures can also be created and verified as of Adobe Reader 5.1. Users can use the Adobe Acrobat Reader to display and print files in PDF format, whose content and appearance correspond to the paper version, on a cross-platform basis. The prerequisites for this are the use of the new Adobe Document Server for Reader Extensions and the replacement of SmartForms by Adobe Acrobat (this is still in development). SSF is not used.
Adobe Document Server for Reader Extensions assign additional usage rights to electronic forms that were created with Adobe Acrobat 5.0 and Adobe Form Designer 5.0. Digital signatures are a type of usage right.
Adobe Acrobat Reader 5.1 can be downloaded free-of-charge from Adobe's Web site, and processes the usage rights that were embedded in PDF forms by the Adobe Document Server for Reader Extensions.
for SSL service go through:[https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/media/uuid/40cacc80-c1fc-2a10-f8b5-9e33b1829552]
for ADS (adobe document services) chk it out;[https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/50fd998b-494f-2b10-c2ab-e3513a857f62]
Digital Signatures and Certification in Forms:
[http://help.sap.com/saphelp_nw04s/helpdata/en/de/eda54dd9194cbcbb62bffaaebfa41d/frameset.htm]
If U have to implement digital certificates, from where I can get these certificates? Do U have to create on my own or need to buy from some party?
chk it out;https://www.bconline.gov.bc.ca/pdf/DigiCertFAQ.pdf
On-demand digital certificates for Adobe AIR applications:
[http://www.net-security.org/secworld.php?id=6628]
Regards,
Khushboo
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