Advanced PDF Password Recovery Pro: versions history
====================================================

! bug fixed
+ improvement/modification


Version 1.70
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+ improved speed on PDF 1.4 files (128-bit encryption) : now about 2 times faster!
+ extended error diagnostics
+ processing partially corrupted files (repairing on the fly)
+ show info about security handler: name, version, bits
! processing files with balanced pairs of parentheses within a string

Version 1.61
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+ processing files starting with %!PS-Adobe-X.x PDF-Y.y
+ processing files with extra data after PDF footer
! processing files without linebreak after PDF footer
! an ability to call "open file" dialog more than once
! auto-save on "Key search" attack

Version 1.6
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+ "Key search" attack now about 10% faster
! processing files with extra data before PDF header
! running "Key search" for files with "owner" password only

Version 1.5
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+ "Key search" attack has been implemented
+ Help file: explanation of error codes
! Eliminating "Error 1" (no reference to objects table)
! Eliminating "Error 1008" (invalid OwnerKey format)


Version 1.01
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! support for FileOpen and BPTE_rot13 plug-ins have been removed after a legal advise
! a few minor bugs have been fixed

Version 1.0 (Release)
---------------------

+ increased speed on brute-force attack: 
  + about 20% on Acrobat 3.x/4.x files (40-bit encryption)
  + about 60% on Acrobat 5.x files (56..128-bit encryption)
+ new option: "Use MMX instructions"
+ support for files protected with BPTE_rot13 plug-in

Version 1.0 beta 1
------------------

First public release.