hardcoresushi/libgocryptfs
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141 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
b3c20e512f MANPAGE: explain that you may have to pass -aessiv with -masterkey 
...if the filesystem was created with that option (or reverse
mode).

Mitigates https://github.com/rfjakob/gocryptfs/issues/148
 2017-10-19 22:04:46 +02:00
Jakob Unterwurzacher
f0e29d9b90 performance.txt: specify READ tests 2017-09-10 18:42:06 +02:00
Jakob Unterwurzacher
a710451d92 performance.txt: update for v1.4.1 latest commits, and kernel update 
$ uname -a
Linux brikett 4.12.5-300.fc26.x86_64 #1 SMP Mon Aug 7 15:27:25 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
 2017-09-03 14:25:01 +02:00
Jakob Unterwurzacher
26a6e61a46 MANPAGE: update exit codes 
The exit codes have been documented in CLI_ABI.md for a while,
but they should also be listed in the man page.

Also fix the rendering of "[-o COMMA-SEPARATED-OPTIONS]", where
the square brackets where interpreted as something. Escape all
square brackets to be safe.
 2017-08-21 20:53:25 +02:00
Jakob Unterwurzacher
838bf883df Update performance.txt for Linux kernel upgrade 
For some reason, writing became a lot faster in Linux 4.11
(scheduler improvements?).
 2017-08-15 19:13:00 +02:00
Jakob Unterwurzacher
069647842c Update performance.txt for to Getdents change 2017-08-15 19:07:08 +02:00
Jakob Unterwurzacher
d5671b785a docs: label "ENV CHANGE" column 2017-08-15 19:04:02 +02:00
Jakob Unterwurzacher
b3e554acc2 Update performance.txt with new results 
Massive speed boost for streaming reads.
 2017-07-01 10:00:50 +02:00
Jakob Unterwurzacher
2932a285aa Update performance.txt with new numbers 2017-06-29 23:45:39 +02:00
Jakob Unterwurzacher
dee88f3c4d Update performance.txt with new numbers 2017-06-29 19:00:16 +02:00
Jakob Unterwurzacher
5c7b5770ce Update performance numbers 2017-06-20 21:46:27 +02:00
Jakob Unterwurzacher
bfe421b327 MANPAGE: reorder options to match "-hh" output; add "-hkdf", "-trace" 2017-06-20 19:49:18 +02:00
Jakob Unterwurzacher
afc3a8252b Add performance numbers for v1.3-69-ge52594d 2017-06-11 21:58:01 +02:00
Jakob Unterwurzacher
24a7b1b7b8 Add performance numbers for last change 
Slight streaming write improvement.
 2017-06-11 21:44:24 +02:00
Jakob Unterwurzacher
b5358ea623 performance.txt: add numbers for latest change 
Also, get rid of the half-empty line.
 2017-06-09 22:13:23 +02:00
Jakob Unterwurzacher
53b7c17261 Don't cap GOMAXPROCS at 4. 
Before Go 1.5, GOMAXPROCS defaulted to 1, hence it made
sense to unconditionally increase it to 4.

But since Go 1.5, GOMAXPROCS defaults to the number of cores,
so don't keep it from increasing above 4.

Also, update the performance numbers.
 2017-06-01 20:55:13 +02:00
Charles Duffy
cf1ded5236 Implement force_owner option to display ownership as a specific user. 2017-06-01 00:26:17 +02:00
Jakob Unterwurzacher
1e598e96fc main: add "-info" option 
Pretty-prints the config while stripping out sensitive
(and uninteresting) data

https://github.com/rfjakob/gocryptfs/issues/111
 2017-05-30 19:01:32 +02:00
Jakob Unterwurzacher
bfc8d47747 doc: add performance numbers for 1.3-27 2017-05-25 21:30:58 +02:00
Jakob Unterwurzacher
86c06fc172 doc: CLI_ABI.md: fix exitcodes.go link 
Needs a leading "..".
 2017-05-14 14:35:46 +02:00
Jakob Unterwurzacher
22bac16201 doc: update CLI_ABI.md with new exit codes 
All exit codes that are likely to occour are listed.
 2017-05-14 14:34:50 +02:00
Jakob Unterwurzacher
3409ade272 forcedecode: tighten checks 
...and fix a few golint issues and print a scary warning message on mount.

Also, force the fs to ro,noexec.
 2017-04-24 00:25:02 +02:00
danim7
f1945c4daa Add -forcedecode 
Force decode of encrypted files even if the integrity check fails, instead of
failing with an IO error. Warning messages are still printed to syslog if corrupted
files are encountered.
It can be useful to recover files from disks with bad sectors or other corrupted
media.

Closes https://github.com/rfjakob/gocryptfs/pull/102 .
 2017-04-23 23:11:56 +02:00
Jakob Unterwurzacher
602f62b821 MANPAGE: reformat to GFM (github flavored markdown) 
This makes it render properly on the github webinterface.
 2017-03-28 19:55:46 +02:00
Jakob Unterwurzacher
912ef72cc8 MANPAGE: fix alphabetical order and expand scryptn explaination 2017-03-25 19:54:50 +01:00
danim7
40f0a8ee72 Further explain the use of 'scryptn' parameter (#94) 
* Further explain the use of 'scryptn' parameter

* Further explain the use of 'scryptn' parameter in MANPAGE

* Use 28 as reasonable upper limit
 2017-03-25 18:22:08 +01:00
Jakob Unterwurzacher
1ff4ae56c1 README: use pre-rendered PNG logo 
This keeps the README working even if nuetzlich.net is unavailable.
We use a PNG because github disallows embedding local SVGs.
 2017-03-25 14:22:07 +01:00
Jakob Unterwurzacher
b78c3bd516 MANPAGE: document "-serialize_reads" 2017-03-19 20:23:49 +01:00
Jakob Unterwurzacher
61502f9b94 benchmark: add md5sum read performance benchmark 2017-03-18 16:23:33 +01:00
rfjakob
c304626a47 CLI_ABI: smaller markdown subheadings 
The old ones were rendered by github almost as big as the parent headings.
 2017-03-01 23:31:03 +01:00
Jakob Unterwurzacher
98ecf1f074 MANPAGE: document "-speed" 2017-02-26 19:34:23 +01:00
Jakob Unterwurzacher
f2920f71e8 MANPAGE: document error code 12 2017-02-26 19:30:28 +01:00
Jakob Unterwurzacher
54caaf4b98 Add CLI ABI documentation 
Closes https://github.com/rfjakob/gocryptfs/issues/77
 2017-02-12 19:20:21 +01:00
Jakob Unterwurzacher
1e9d735406 Document "--" to stop option parsing in help text + man page 2017-02-12 12:49:04 +01:00
Jakob Unterwurzacher
6166dad05c readpassword: support spaces in "-passfile" filename 
...and while we are at it, also filenames starting with "-".
 2017-01-29 00:34:12 +01:00
Jakob Unterwurzacher
de200aad72 main: add "-fsname" option 
As requested in https://github.com/rfjakob/gocryptfs/issues/73 .
 2017-01-26 22:13:57 +01:00
Jakob Unterwurzacher
cb5426e8ee performance.txt: add numbers for current gocryptfs master and encfs v1.9.1 2016-11-26 12:46:58 +01:00
Jakob Unterwurzacher
10884603d8 benchmark.bash: double write length 
Writing 1000 128KB blocks takes only 1 second and yielded
inconsistent results. With 2000, things look saner.
 2016-11-26 12:36:55 +01:00
Jakob Unterwurzacher
0f8d3318a3 main, fusefrontend: add "-noprealloc" option 
Preallocation is very slow on hdds that run btrfs. Give the
user the option to disable it. This greatly speeds up small file
operations but reduces the robustness against out-of-space errors.

Also add the option to the man page.

More info: https://github.com/rfjakob/gocryptfs/issues/63
 2016-11-25 09:19:14 +01:00
Jakob Unterwurzacher
081015aa74 MANPAGE: document ctlsock 2016-11-11 00:01:29 +01:00
Jakob Unterwurzacher
b527e205e2 main: rename "-f" to "-fg" 
"-f" looks too much like "--force". The old variant is still
accepted for compatability.
 2016-11-01 19:00:45 +01:00
Jakob Unterwurzacher
d6678f73b4 MANPAGE: document -raw64 2016-11-01 18:53:42 +01:00
Jakob Unterwurzacher
d41492bcbc MANPAGE: update version field description 2016-11-01 18:30:32 +01:00
Jakob Unterwurzacher
75b776cb3d MANPAGE: add reverse example, move "-o" into alphabetical list 
People will search for "-o" alphabetically, so put it into the
alphabetical option list, even if it is not a real option.
 2016-11-01 15:55:05 +01:00
Jakob Unterwurzacher
e993fd5fbc packakge.bash: include rendered man page in tarball 2016-11-01 15:43:33 +01:00
Jakob Unterwurzacher
86afaee200 MANPAGE: prettify plain-text formatting 2016-10-21 00:05:56 +02:00
Jakob Unterwurzacher
c487e176bd main: allow password change with -masterkey 
Requested at https://github.com/rfjakob/gocryptfs/issues/28
 2016-10-16 18:17:28 +02:00
Jakob Unterwurzacher
40420cb4cd Update performance.txt for v1.1 release 2016-10-09 23:19:08 +02:00
Jakob Unterwurzacher
e1c5e71b09 main: add "-passfile" option 
Make it easier to read the password from a file. Internally this
is equivalent to "-extpass /bin/cat FILE".
 2016-10-09 20:08:10 +02:00
Jakob Unterwurzacher
9cf3ced0ce main: also accept options at the end via "-o" 
For compatability with mount(1), options are also accepted as
"-o COMMA-SEPARATED-OPTIONS" at the end of the command line.
For example, "-o q,zerokey" is equivalent to "-q -zerokey".
 2016-10-09 20:05:54 +02:00
Jakob Unterwurzacher
25a8802403 main: rename "-o" option to "-ko" 
This prevents confusion with the "-o" options that is passed
by mount(1) at the end of the command line.
 2016-10-09 19:32:55 +02:00
Jakob Unterwurzacher
9b1a35174b MANPAGE: note that "-f" implies "-nosyslog" 
Also explain why AES-SIV exists.
 2016-10-07 23:02:04 +02:00
Jakob Unterwurzacher
434ce50db3 main: add "-nonempty" option 2016-10-06 22:41:13 +02:00
Jakob Unterwurzacher
e9bb8b800c reverse: switch from GCM-SIV to AES-SIV 
GCM-SIV is not yet finalized, and the reference implemenation is
painfully slow at about 2 MB/s. Switch to AES-SIV.
 2016-09-26 23:25:13 +02:00
Jakob Unterwurzacher
2050c7f3b3 reverse: add gcmsiv flag and associated tests 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
77e7abdf8c XFSTESTS.md: add output from latest fuse-xfstests 
fuse-xfstests is regularily rebased to xfstests master.
 2016-07-03 22:15:59 +02:00
Jakob Unterwurzacher
a8a0d2d92c MANPAGE: note that "-plaintextnames" disables symlink encryption 
This is no change in behavoir, just a clarification in the man page.
 2016-06-26 23:08:25 +02:00
Jakob Unterwurzacher
15b88756ad main: add "-o" option to enable "suid" and "dev" 
Device files and suid binaries are often not needed when running
gocryptfs as root. As they are potentially dangerous, let the
user enable them explicitely via the new "-o" option instead of
always enabling them when running as root.
 2016-06-26 23:03:18 +02:00
Jakob Unterwurzacher
b558901e66 Drop deprecated "-gcmiv128" option 
The GCMIV128 feature flag is already mandatory, dropping the command
line option is the final step.

Completes https://github.com/rfjakob/gocryptfs/issues/29 .
 2016-06-23 22:10:19 +02:00
Jakob Unterwurzacher
3d59a72ba9 Drop deprecated "-emenames" option 
The EMENames feature flag is already mandatory, dropping the command
line option is the final step.
 2016-06-23 21:56:50 +02:00
Jakob Unterwurzacher
b17f0465c7 Drop deprecated "-diriv" option 
The DirIV feature flag is already mandatory, dropping the command
line option is the final step.
 2016-06-23 21:38:59 +02:00
Jakob Unterwurzacher
1dcafb99ff main: drop "on-disk format" from -version output, add Go version 
As v0.4 introduced ext4-style feature flags, the on-disk format version
is unlinkely to change. Drop it from the version output to reduce
clutter. Use "gocryptfs -version -debug" to see it.

Add the Go version string because only Go 1.6 and newer have an optimized
AES-GCM implementation. This will help users to understand the performance
of their build.
 2016-06-19 19:33:15 +02:00
Jakob Unterwurzacher
82d87ff8ed Add "-ro" (read-only) flag 
From the man page:

  **-ro**
  :      Mount the filesystem read-only

Also add a test.
 2016-06-16 21:29:22 +02:00
Jakob Unterwurzacher
f030123ab5 Add performance numbers for v0.11 2016-06-08 00:32:40 +02:00
Jakob Unterwurzacher
e7f78135b3 Add "-allow_other" command-line option 
As requested in https://github.com/rfjakob/gocryptfs/issues/26 ,
this adds the option to allow other users to access the filesystem.
 2016-05-18 19:30:05 +02:00
Jakob Unterwurzacher
4ad9d4e444 prefer_openssl: add amd64 constraint 
Optimized assembly versions for Go GCM are only available
on amd64.
 2016-05-12 09:50:36 +02:00
Jakob Unterwurzacher
49b597f07c prefer_openssl: autodetect whether to use OpenSSL or Go GCM 
Go GCM is faster than OpenSSL if the CPU has AES instructions
and you are running Go 1.6+.

The "-openssl" option now defaults to "auto".

"gocryptfs -debug -version" displays the result of the autodetection.

See https://github.com/rfjakob/gocryptfs/issues/23 for details and
benchmarks.
 2016-05-12 00:42:42 +02:00
Jakob Unterwurzacher
39f3a24484 stupidgcm: completely replace spacemonkeygo/openssl 2016-05-04 19:56:07 +02:00
Jakob Unterwurzacher
f035d3efba Update manpage with "longnames" option, explain feature flag options 2016-04-17 21:19:51 +02:00
Jakob Unterwurzacher
776c734f43 Update readme.md and performance.txt for v0.9 2016-04-10 23:01:00 +02:00
Jakob Unterwurzacher
e42e46c97c Add v0.9-rc2 performance numbers 2016-04-10 12:04:50 +02:00
Jakob Unterwurzacher
6454db68d9 Add new "-wpanic" option and enable it for the automated tests 2016-01-31 18:09:39 +01:00
Jakob Unterwurzacher
65b8d5bc46 Update MANPAGE with new options 2016-01-24 18:20:52 +01:00
Jakob Unterwurzacher
4a1768a314 Automate standard performance tests 2016-01-23 19:33:03 +01:00
Jakob Unterwurzacher
8432382244 Update README for v0.7.2 2016-01-19 23:01:21 +01:00
Jakob Unterwurzacher
6a9da0db10 Add EXAMPLES to manpage 2016-01-06 16:55:38 +01:00
Jakob Unterwurzacher
6443691c7e Delete old logo 2016-01-05 21:24:28 +01:00
Jakob Unterwurzacher
5d25c6e7e9 Link to official website; move security document 2015-12-20 18:25:10 +01:00
Jakob Unterwurzacher
3bbaa1208f Add logo, update README for v0.7 2015-12-20 15:42:52 +01:00
Jakob Unterwurzacher
04abad5e84 Update performance data for v0.7 2015-12-20 15:39:40 +01:00
Jakob Unterwurzacher
1caa925868 Increase GCM IV size from 96 to 128 bits 
This pushes back the birthday bound for collisions to make it virtually
irrelevant.
 2015-12-19 15:02:29 +01:00
Jakob Unterwurzacher
9419e7ae85 Update README + docs for v0.6 release 2015-12-08 16:41:45 +01:00
Jakob Unterwurzacher
c6dacd6f91 Add EME filename encryption & enable it by default 2015-12-08 16:17:04 +01:00
Jakob Unterwurzacher
fc23aba65b performance.txt: link to linux-3.0.tar.gz 2015-12-04 22:45:16 +01:00
Jakob Unterwurzacher
353d29b502 Update manpage with -diriv and -scryptn 2015-12-04 22:41:14 +01:00
Jakob Unterwurzacher
018d047ab2 Show base64 encoding in filename encryption svg 2015-12-04 22:26:50 +01:00
Jakob Unterwurzacher
a6971ade94 svg: add colored annotations 
Also, show the IV in the master key decryption process
 2015-12-02 09:03:37 +01:00
Jakob Unterwurzacher
026ab56de4 Cut down the text in SECURITY.md, add graphs 2015-12-01 23:06:56 +01:00
Jakob Unterwurzacher
6515c8d42c Add svgs explaining the encryption steps 2015-12-01 22:54:40 +01:00
Jakob Unterwurzacher
2734dc81e5 Make sure MANPAGE-render.bash works when called from outside Documentation 2015-12-01 21:04:58 +01:00
Jakob Unterwurzacher
accf8144ca Move docs to Documentation folder 2015-12-01 18:19:24 +01:00