Table of Contents
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Preface .......................................................................................................................................... 5
What's in this guide? ..................................................................................................................................................................... 5
Who should read this guide? ..................................................................................................................................................... 5
Related documentation ............................................................................................................................................................... 5
Transitioning the PDF Specification to ISO ............................................................................... 6
Extensions to the PDF specification ........................................................................................................................................ 6
Behavior of PDF consumers that does not support an extension.......................................................................... 6
Subsequent extensions to a BaseVersion ....................................................................................................................... 6
Plans related to the first version of ISO 32000............................................................................................................... 7
Plans related to subsequent versions of ISO 32000 .................................................................................................... 7
What's New................................................................................................................................... 9
Adobe BaseVersion 1.7 and ExtensionLevel 3 ..................................................................................................................... 9
Extension identification......................................................................................................................................................... 9
Bates numbering page artifact ........................................................................................................................................... 9
Features for Architecture, Engineering and Construction ........................................................................................ 9
Accessibility..............................................................................................................................................................................10
Portable collections...............................................................................................................................................................10
Rich media ................................................................................................................................................................................10
Seed values and locking a document for digital signatures ..................................................................................10
Encryption and passwords .................................................................................................................................................10
Barcode form fields ...............................................................................................................................................................11
PDF/A-2 and XML form data ..............................................................................................................................................11
Adobe BaseVersion 1.7 and ExtensionLevel 1 ...................................................................................................................11
PRC in 3D annotations..........................................................................................................................................................11
Other...........................................................................................................................................................................................11
Syntax (Chapter 3 in PDF Reference) ....................................................................................... 13
3.5 Encryption................................................................................................................................................................................13
3.5.1 General Encryption Algorithm................................................................................................................................15
3.5.2 Standard Security Handler .......................................................................................................................................16
3.5.3 Public-Key Security Handlers ..................................................................................................................................21
3.5.4 Crypt Filters....................................................................................................................................................................22
3.6 Document Structure.............................................................................................................................................................23
3.6.1 Document Catalog......................................................................................................................................................23
3.6.2 Page Tree ........................................................................................................................................................................23
3.6.3 Name Dictionary ..........................................................................................................................................................23
3.6.4 Extensions to PDF........................................................................................................................................................23
3.10 File Specifications ...............................................................................................................................................................26
3.10.2 File Specification Dictionaries ..............................................................................................................................26
Graphics (Chapter 4 in PDF Reference) .................................................................................... 27
4.8 Images .......................................................................................................................................................................................27
4.8.4 Image Dictionaries ......................................................................................................................................................27
Contents
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Table of Contents
