Good question - I need to check on thatŠ Leonard
On 1/16/12 3:42 PM, "mkl" <[email protected]> wrote: > >Leonard Rosenthol-3 wrote >> PAdES isn't relevant for Certification signatures - it only applies to >> standard "approval" signatures. > >In that case would you care to explain why the PAdES specification does >refer to MDP signatures? > >E.g. in part 4: > >> NOTE: ISO 32000-1 [1], 12.8.2.2, discusses the DocMDP (Modification, >> Detection and Prevention) feature whereby a set of permissions can be >> associated with a PDF in conjunction with a certification signature. The >> permissions of DocMDP are present in the P key of the DocMDP transform >> parameters dictionary, as an integer in the range 1 through 3. Values >>of 2 >> and 3 allow for additional signatures to be included after the >> certification but a value of 1 does not allow any change so allow >>Document >> Time-stamps. This provision will need to be changed from that in ISO >> 32000-1 [1], to allow for the inclusion of LTV, including DSS and >>Document >> Time-stamps > >This BTW was what I had in mind when I wrote > >>This, by the way, is not correct anymore as soon as you take PAdES (and, >>if >>I understand leonard right, iso 32000-2) into account. In those cases LTV >>additions according to PAdES part 4 are allowed even in case of >>certification signatures of any kind. > >Admittedly, though, the specification there only talks about >specifications >which will have to be changed. I have no idea how PDF-2 actually is >changed >in that respect. > >Regards, michael > >-- >View this message in context: >http://itext-general.2136553.n4.nabble.com/Verify-certified-with-transform >-method-DocMDP-signatures-tp4300147p4301877.html >Sent from the iText - General mailing list archive at Nabble.com. > >-------------------------------------------------------------------------- >---- >Keep Your Developer Skills Current with LearnDevNow! >The most comprehensive online learning library for Microsoft developers >is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >Metro Style Apps, more. Free future releases when you subscribe now! >http://p.sf.net/sfu/learndevnow-d2d >_______________________________________________ >iText-questions mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/itext-questions > >iText(R) is a registered trademark of 1T3XT BVBA. >Many questions posted to this list can (and will) be answered with a >reference to the iText book: http://www.itextpdf.com/book/ >Please check the keywords list before you ask for examples: >http://itextpdf.com/themes/keywords.php ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php
