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NEWS
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========================================================================
scrub-2.6.1 Release Notes 2014-08-26
========================================================================
* Add dist tag to release (TOSS-2665)
* OS X build/test failrues (issue 31)
* Minor autotools fixes.
========================================================================
scrub-2.6.0 Release Notes 2014-08-20
========================================================================
* Added support for multiple file/device arguments [Peter Hyman]
* Added --dry-run option
* Handle incorrect octal esc in custom pattern (issue 28)
* Dont truncate custom pattern in display (issue 27)
* Add 'verify' pattern: Quick Fill with 0x00 and verify (issue 22)
* Add unit test coverage for -X, --dry-run, multiple files.
* Untrack and ignore generated files in git (issue 15)
* Project repository: migrated source/releases to github, restored
pre-v2.2 history from sourceforge; retain Google Code issue tracker
and wiki for now.
* Doc update: README.md, tests/README, AUTHORS, source code headers.
========================================================================
scrub-2.5.3 Release Notes 2014-05-20
========================================================================
* AIX 6.1: handle large SCSI disk,
ignore EINVAL from fsync [Tim Starrin] (issue 26)
* OS X ML/Darwin: fix build error.
* Newer gcc: fix /dev/urandom build error.
========================================================================
scrub-2.5.2 Release Notes 2012-06-20
========================================================================
* Fix scrub abort on files/disks > 2G in size (issue 19)
This was introduced in 2.5.0 and the failure is quick and obvious.
* Fix loss of precision in disk size approximation (issue 18)
* Add -t option to disable creation of thread to generate randomness
in parallel with I/O.
* Prepare source for a libscrub api (work in progress)
========================================================================
scrub-2.5.1 Release Notes 2012-05-08
========================================================================
* Cosmetic changes to man page and help output.
========================================================================
scrub-2.5.0 Release Notes 2012-05-03
========================================================================
* Generate randomness and do I/O in parallel [Richard B. Hill]
* Replace O_SYNC with O_DIRECT+fsync+posix_fadvise [H. Peter Anvin]
This produces a significant performance improvement, at least on Linux.
* Add support for RDRAND instr. [H. Peter Anvin]
* Use <stdbool.h> if the system has it [H. Peter Anvin]
* Fix incorrect assertion in scrub --dirent handling (issue 9) [Peter Hyman]
* Clean up tmp files after scrub --freespace (issue 9) [Peter Hyman]
* Allow scrub --pattern=custom="string" (issue 11) [Peter Hyman]
Allow C style numerical escapes in string: \nnn (octal) and \xnn (hex).
This is a single-pass sequence with a custom pattern.
* Change default buffer size from 1m to 4m [H. Peter Anvin]
* Avoid closing and re-opening /dev/urandom [H. Peter Anvin]
========================================================================
scrub-2.4.2 Release Notes 2011-08-29
========================================================================
Same as 2.4.1 but check in missing spec file (as opposed to spec.in).
========================================================================
scrub-2.4.1 Release Notes 2011-08-29
========================================================================
* Fix bug in pfitzner7 pattern def and add fillff, fillzero
methods (issue 8) [Peter Hyman]
* Change dod method to perform random pass first and skip extra pass.
* Add --help option that lists available scrub methods.
* Make dist tarball work with rpmbuild -ta.
========================================================================
scrub-2.4 Release Notes 2010-11-03
========================================================================
* Added usarmy, pfitzner7, and pfitzner33 methods.
========================================================================
scrub-2.3 Release Notes 2010-05-14
========================================================================
* Added -L option to not follow symbolic links [Timothy Boronczyk]
* Treat a zero return from write(2) as an error.
* New patterns:
- random2: two random passes
- schneier (one 0x00 pass, one 0xff pass, and five random passes) [Joe]
========================================================================
scrub-2.2 Release Notes 2009-07-29
========================================================================
* Add --pattern random (one random pass) mode.
* Portability fixes for Slackware [Timothy Boronczyk]
* Fix bug where scrub --remove on a zero length file would abort
without removing the file. Issue a warning and remove it.
========================================================================
scrub-2.1 Release Notes 2008-11-14
========================================================================
* Fix a bug where some data from the original file could appear in
the first disk block after a verified scrub when running without
the -S (--no-signature) option.
========================================================================
scrub-2.0 Release Notes 2008-05-30
========================================================================
* Longopts support.
* Changed -X, --freespace option behavior to create a directory
and fill it with multiple files to get around file system/rlimit
caps on file size.
* Added support for repeating patterns > 1 byte.
* Added support for Gutmann 35-pass pattern sequence.
* General refactoring and cleanup.
========================================================================
scrub-1.10 Release Notes 2008-05-21
========================================================================
* Scrub now builds with autoconf/automake.
* Added unit tests for 'make check' target.
* Added -v option to display scrub version and exit.
* Added -T option to scrub first and last blocks only (for testing).
========================================================================
scrub-1.9 Release Notes 2007-03-20
========================================================================
* Added -r option to remove file after scrub [Sean Morrison].
* Port to HP-UX [Graham Smith, Joseph Sebastin].
* Raise default blocksize to 1MB for performance [Graham Smith].
* Added support for K, M, or G size suffix to -b argument.
* Fix broken -s parsing on 32 bit systems.
========================================================================
scrub-1.8 Release Notes 2006-08-16
========================================================================
* Fixed bug where disk device size would be truncated if greater than 4G
[Florian Heigl].
* Added support for K, M, or G size suffix to -s argument.
* Added support for automatic device size determination in AIX [Dave Fox].
* Do not fsync special files [Dave Fox, Florian Heigl].
* Added support for patterns recommended by the German Center of Security
in Information Technologies (http://www.bsi.bund.de) [Florian Heigl].
* Write a signature to files/disks after scrubbing and refuse to scrub
them again without -f (force) option. Signature writing can be
disabled with the -S option.
========================================================================
scrub-1.7 Release Notes 2006-02-14
========================================================================
NOTE: This version is a significant rewrite since version 1.6.
Major changes in addition to general cleanup and better documentation:
* The new default scrub patterns satisfy NNSA Policy Letter NAP-14.x,
and are appropriate for modern PRML/EPRML drive encodings.
The old scrub patterns as well as a set of patterns that minimally
satisfy DoD 5220.22-M (still appropriate for older MFM/RLL drives)
are selectable on the command line (-p).
* The algorithm for generating random bytes has been made more efficient
and more random using an AES counter mode algorithm.
* Device capacity is determined using OS-specific ioctls. The size is
overrideable on the command line (-s).
* [Mac OS X only] A file's resource fork is scrubbed if it exists.