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| author | Jay Berkenbilt <ejb@ql.org> | 2018-01-14 16:17:17 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2018-01-14 16:21:05 +0100 |
| commit | 569d74d36ba287b6951687ee1bdea45ae19091f8 (patch) | |
| tree | 2a8e05610e45ddc16f86bd06eae926fa12087f44 /ChangeLog | |
| parent | 3e306ae64cc3d160034f27d72ad27bee03a65aa5 (diff) | |
| download | qpdf-569d74d36ba287b6951687ee1bdea45ae19091f8.tar.zst | |
Allow raw encryption key to be specified
Add options to enable the raw encryption key to be directly shown or
specified. Thanks to Didier Stevens <didier.stevens@gmail.com> for the
idea and contribution of one implementation of this idea.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -1,3 +1,16 @@ +2018-01-14 Jay Berkenbilt <ejb@ql.org> + + * Allow raw encryption key to be specified in libary and command + line with the QPDF::setPasswordIsHexKey method and + --password-is-hex-key option. Allow encryption key to be displayed + with --show-encryption-key option. Thanks to Didier Stevens + <didier.stevens@gmail.com> for the idea and contribution of one + implementation of this idea. See his blog post at + https://blog.didierstevens.com/2017/12/28/cracking-encrypted-pdfs-part-3/ + for a discussion of using this for cracking encrypted PDFs. I hope + that a future release of qpdf will include some additional + recovery options that may also make use of this capability. + 2018-01-13 Jay Berkenbilt <ejb@ql.org> * Fix lexical error: the PDF specification allows floating point |