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How to Lock Postscript For Editing

New Here ,
Dec 17, 2017 Dec 17, 2017

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Dear Experts,

I want to make Postscript that can not be edited. Is there can a Postscript code which can be inside PS file itself , to do so ?

Logic Can be somewhat Like this....

There can be a Date Stamp inside Postscript File. If the File Created or Modified Date Matches with that Date, the File Should Get opened. If somebody tries to edit or modify the content, the File Created Date or Modified Date will get changed and will Not Match the Stamp Date Inside and shall not get opened.

Can it be done ? Kindly comment.

Thanks as Always.

Regards

Riya.

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Programming

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LEGEND ,
Dec 19, 2017 Dec 19, 2017

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You can’t stop editing but you can detect it using MD5 hashes calculated  stored is a safe place. For PDF you can use digital signatures for this purpose but there is no technology to sign PostScript.

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New Here ,
Dec 20, 2017 Dec 20, 2017

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Thank you Sir, Can you kindly please tell me  all about MD5 Hashes and all. I am not at all aware of it.

I will also try to google it out.

Thanks

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LEGEND ,
Dec 20, 2017 Dec 20, 2017

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