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2021-09-07-speed: add XChaCha20-Poly1305-OpenSSLJakob Unterwurzacher
$ ./gocryptfs -speed gocryptfs v2.1-56-gdb1466f-dirty.stupidchacha; go-fuse v2.1.1-0.20210825171523-3ab5d95a30ae; 2021-09-02 go1.17 linux/amd64 AES-GCM-256-OpenSSL 529.53 MB/s AES-GCM-256-Go 833.85 MB/s (selected in auto mode) AES-SIV-512-Go 155.27 MB/s XChaCha20-Poly1305-Go 715.33 MB/s (use via -xchacha flag) XChaCha20-Poly1305-OpenSSL 468.94 MB/s https://github.com/rfjakob/gocryptfs/issues/452
2021-09-07stupidgcm: add stupidXchacha20poly1305Jakob Unterwurzacher
Implementation copied from https://github.com/golang/crypto/blob/32db794688a5a24a23a43f2a984cecd5b3d8da58/chacha20poly1305/xchacha20poly1305.go
2021-09-07stupidgcm: stupidChacha20poly1305: normalize panic messagesJakob Unterwurzacher
2021-09-07stupidgcm: stupidChacha20poly1305: use byte array for keyJakob Unterwurzacher
Follow what golang.org/x/crypto/chacha20poly1305 does for easier integration in the next commit.
2021-09-02stupidgcm: add testWipe testJakob Unterwurzacher
After looking at the cover profile, this was the only untested code except panic cases.
2021-09-02stupidgcm: deduplicate tests 2/2Jakob Unterwurzacher
Deduplicate the cipher setup that was identical for all tests for each cipher.
2021-09-02stupidgcm: deduplicate tests 1/2Jakob Unterwurzacher
Pull the code shared between chacha and gcm into generic functions.
2021-09-02stupidgcm: add chacha20poly1305 via opensslJakob Unterwurzacher
"stupidChacha20poly1305". XChaCha will build upon this.
2021-09-01tests/matrix: don't leak fds in TestConcurrentReadCreateJakob Unterwurzacher
We leaked a file descriptor for each empty file we encountered.
2021-09-01*: trim trailing whitespacea1346054
2021-09-01*: fix spellinga1346054
2021-09-01shell scripts: fix shellcheck warningsa1346054
2021-08-30README: explain where -xchacha makes senseJakob Unterwurzacher
2021-08-30fusefrontend: remove leftover PrintfJakob Unterwurzacher
Commit b83ca9c921019fc3b790dabb6198bb77ef2f9a34 inadveredly added a leftover debug Printf. Delete it.
2021-08-30Unbreak hyperlinks broken by go mod v2 conversionJakob Unterwurzacher
Commit 69d88505fd7f4cb0d9e4f1918de296342fe05858 go mod: declare module version v2 translated all instances of "github.com/rfjakob/gocryptfs/" to "github.com/rfjakob/gocryptfs/v2/". Unfortunately, this included hyperlinks. Unbreak the hyperlinks like this: find . -name \*.go | xargs sed -i s%https://github.com/rfjakob/gocryptfs/v2/%https://github.com/rfjakob/gocryptfs/v2/%
2021-08-30README: compress Installation sectionJakob Unterwurzacher
More content, less whitespace.
2021-08-30README: update changelogJakob Unterwurzacher
2021-08-30Reimplement -serialize_reads flag using new SyncRead mount flagJakob Unterwurzacher
Let the kernel do the work for us. See https://github.com/hanwen/go-fuse/commit/15a8bb029a4e1a51e10043c370970596b1fbb737 for more info.
2021-08-30Remove serialize_reads packageJakob Unterwurzacher
Will be replaced by go-fuse's new SyncRead flag. More info: https://github.com/hanwen/go-fuse/issues/395 SyncRead commit: https://github.com/hanwen/go-fuse/commit/15a8bb029a4e1a51e10043c370970596b1fbb737
2021-08-29go mod: upgrade go-fuse to fix darwin build failureJakob Unterwurzacher
Upgraded using go get -u github.com/hanwen/go-fuse/v2@master to get https://github.com/hanwen/go-fuse/commit/61df81086038f52fbf3e25ff97373336c83cd3ae Fixes https://github.com/rfjakob/gocryptfs/issues/597
2021-08-26doc: file-format.md: describe XChaCha20-Poly1305Jakob Unterwurzacher
Different nonce size.
2021-08-26fsstress-gocryptfs: fuse-xfstests now lives in /optJakob Unterwurzacher
fuse-xfstests should be installed to /opt now to make the terminal output independent of the user name (as done in https://github.com/rfjakob/fuse-xfstests/wiki/results_2021-06-02 )
2021-08-25-devrandom: make flag a no-opJakob Unterwurzacher
Commit f3c777d5eaa682d878c638192311e52f9c204294 added the `-devrandom` option: commit f3c777d5eaa682d878c638192311e52f9c204294 Author: @slackner Date: Sun Nov 19 13:30:04 2017 +0100 main: Add '-devrandom' commandline option Allows to use /dev/random for generating the master key instead of the default Go implementation. When the kernel random generator has been properly initialized both are considered equally secure, however: * Versions of Go prior to 1.9 just fall back to /dev/urandom if the getrandom() syscall would be blocking (Go Bug #19274) * Kernel versions prior to 3.17 do not support getrandom(), and there is no check if the random generator has been properly initialized before reading from /dev/urandom This is especially useful for embedded hardware with low-entroy. Please note that generation of the master key might block indefinitely if the kernel cannot harvest enough entropy. We now require Go v1.13 and Kernel versions should have also moved on. Make the flag a no-op. https://github.com/rfjakob/gocryptfs/issues/596
2021-08-25go mod: update go-fuseJakob Unterwurzacher
We want /dev/fd/N support: https://github.com/hanwen/go-fuse/commit/74a933d6e856048cbff1a437bf3dbf79162e77de "fuse: support special /dev/fd/N mountpoint" Fixes https://github.com/rfjakob/gocryptfs/issues/590
2021-08-24README: add -xchacha to changelogJakob Unterwurzacher
https://github.com/rfjakob/gocryptfs/issues/452
2021-08-24MANPAGE: add -xchachaJakob Unterwurzacher
2021-08-24-speed: note that -xchacha is selectableJakob Unterwurzacher
2021-08-24tests/example_filesystems: add v2.2-xchacha-deterministic-namesJakob Unterwurzacher
Combines both new flags.
2021-08-24tests/example_filesystems: add deterministic-names and xchachaJakob Unterwurzacher
2021-08-24benchmark.bash: add -xchacha supportJakob Unterwurzacher
2021-08-23xray: add xchacha supportJakob Unterwurzacher
Also use the new cryptocore algo names.
2021-08-23contentenc: remove unused NonceMode constantsJakob Unterwurzacher
Looks like these are part of an abandoned plan.
2021-08-23speed: use algo names from cryptocoreJakob Unterwurzacher
2021-08-23cryptocore: add NonceSize to AEADTypeEnumJakob Unterwurzacher
Have the information in one centralized place, and access it from main as needed.
2021-08-23tests/cli: add -xchacha testsJakob Unterwurzacher
2021-08-23tests/matrix: add -xchacha testJakob Unterwurzacher
2021-08-23configfile: add Validate() function, support FlagXChaCha20Poly1305Jakob Unterwurzacher
We used to do validation using lists of mandatory feature flags. With the introduction of XChaCha20Poly1305, this became too simplistic, as it uses a different IV length, hence disabling GCMIV128. Add a dedicated function, Validate(), with open-coded validation logic. The validation and creation logic also gets XChaCha20Poly1305 support, and gocryptfs -init -xchacha now writes the flag into gocryptfs.conf.
2021-08-23Add partial XChaCha20-Poly1305 support (mount flag only)Jakob Unterwurzacher
Mount flag only at the moment, not saved to gocryptfs.conf. https://github.com/rfjakob/gocryptfs/issues/452
2021-08-23test/cli: actually run TestZerokeyJakob Unterwurzacher
As the filename did not end in _test.go, TestZerokey was not actually run. Fix that. renamed: tests/cli/zerokey.go -> tests/cli/zerokey_test.go
2021-08-23go mod: declare module version v2Jakob Unterwurzacher
Our git version is v2+ for some time now, but go.mod still declared v1. Hopefully making both match makes https://pkg.go.dev/github.com/rfjakob/gocryptfs/v2 work. All the import paths have been fixed like this: find . -name \*.go | xargs sed -i s%github.com/rfjakob/gocryptfs/%github.com/rfjakob/gocryptfs/v2/%
2021-08-23ensurefds012: package comment should preceded package statementJakob Unterwurzacher
This makes the comment visible to godoc.
2021-08-21configfile: pass struct to Create 2/2Jakob Unterwurzacher
Drop Create and rename Create2 to Create.
2021-08-21configfile: pass struct to Create 1/2Jakob Unterwurzacher
The argument list got too long. Part 1: Replace with Create2
2021-08-21cryptocore: drop IVLen helper varJakob Unterwurzacher
The IVLen var seems be a net loss in clarity. Drop it. Also add comments and normalize error messages.
2021-08-20README: Update changelog with -deterministic-namesJakob Unterwurzacher
Fixes https://github.com/rfjakob/gocryptfs/issues/151 Fixes https://github.com/rfjakob/gocryptfs/issues/402 Fixes https://github.com/rfjakob/gocryptfs/pull/592 Partial-fix https://github.com/rfjakob/gocryptfs/issues/108
2021-08-20-deterministic-names: implement for reverse mode, tooJakob Unterwurzacher
2021-08-20MANPAGE: move nosyslog to MOUNT OPTIONS sectionJakob Unterwurzacher
It was in INIT OPTIONS by mistake.
2021-08-20-deterministic-names: accept flag on -initJakob Unterwurzacher
And store it in gocryptfs.conf (=remove DirIV feature flag).
2021-08-20Implement -deterministic-names: extended -zerodirivJakob Unterwurzacher
-deterministc-names uses all-zero dirivs but does not write them to disk anymore.
2021-08-19Flag -zerodiriv to create all diriv as all zero byte filesJose M Perez
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