hardcoresushi/libgocryptfs
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20 Commits

Author SHA1 Message Date
Jakob Unterwurzacher
5f4b16c00f Implement changes proposed by gosimple. 
Also delete the unused "dirIVNameStruct", found by deadcode.
 2016-09-25 19:48:21 +02:00
Jakob Unterwurzacher
166ba74a05 tests: enable all go vet checks 
...and fix reported errors:

internal/fusefrontend_reverse/rfile.go:40: github.com/rfjakob/gocryptfs/internal/contentenc.FileHeader composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:249: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
internal/fusefrontend_reverse/rfs.go:264: github.com/hanwen/go-fuse/fuse.DirEntry composite literal uses unkeyed fields
 2016-09-25 19:02:12 +02:00
Jakob Unterwurzacher
abd61d968d contentenc: rename constant "IVBitLen" to "DefaultIVBits" and clarify comment 
128-bit IVs are NOT used everywhere.
 2016-09-25 18:40:29 +02:00
Jakob Unterwurzacher
b883dd10a6 reverse: add symlink encryption and Readlink support 2016-09-25 18:01:24 +02:00
Jakob Unterwurzacher
7bbf6ad6ea reverse: derive file ID and block IVs from file paths 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
52a6f4f71e reverse: add longnameParentCache 
findLongnameParent has to read the whole directory to find the
right file; add a simple cache to avoid most directory scans.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
a6a7b424f8 reverse: resolve long names in Open and GetAttr 
The last patch added functionality for generating gocryptfs.longname.*
files, this patch adds support for mapping them back to the full
filenames.

Note that resolving a long name needs a full readdir. A cache
will be implemented later on to improve performance.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
35bcc2dca2 reverse: transform long names in OpenDir 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d76e7aadb4 reverse: use dynamic inode numbers 
...with stable mappings for hard-linked files.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
5f726aaa9d contentenc: add GCM-SIV support 
Also add ReverseDummyNonce nonce generation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7f87ed78f2 cryptocore: add support for GCM-SIV 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
d1762c5b95 reverse: fix GetAttr for gocryptfs.conf 
And also don't return the encrypted version of
.gocryptfs.reverse.conf in readdir.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
3d59c7dd6a reverse: add gocryptfs.conf passthrough 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
1932248446 reverse: get rid of debug message 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
ce22ab36e1 reverse: gocryptfs.diriv content was generated from wrong path 
Should be derived from the directory name only.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
7faa267bd4 reverse: rename readFile to clearer readBackingFile 
Also refactor the header generation for nicer code.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
be9dfe3a89 reverse: implement dynamic diriv 
Introduce a unique per-directory diriv that is generated
by hashing the encrypted directory path.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
10f38e8870 reverse: generate file header for Read() 
Also create virtual gocryptfs.diriv entries (no content yet).
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
777eb8e62f reverse: rename types to reverseXYZ 
...to prevent confusion with the forward variants.

FS   -> reverseFS
file -> reverseFile

Also add an incomplete read implementation.
 2016-09-25 16:43:17 +02:00
Jakob Unterwurzacher
9237b4f53e reverse: add skeleton 
Compiles but does not do much else.
 2016-09-25 16:43:17 +02:00