Commit Graph

8 Commits

Author SHA1 Message Date
Jakob Unterwurzacher 39b1070506 stupidgcm: add testConcurrency
Verifies that we don't corrupt data when called concurrently.
2021-09-07 18:14:05 +02:00
Jakob Unterwurzacher 6a0206897c stupidgcm: add BenchmarkCCall
gocryptfs/internal/stupidgcm$ go test -bench .
goos: linux
goarch: amd64
pkg: github.com/rfjakob/gocryptfs/v2/internal/stupidgcm
cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
BenchmarkCCall-4   	15864030	        78.60 ns/op
PASS
ok  	github.com/rfjakob/gocryptfs/v2/internal/stupidgcm	1.898s
2021-09-07 18:14:05 +02:00
Jakob Unterwurzacher e2ec048a09 stupidgcm: introduce stupidAEADCommon and use for both chacha & gcm
Nice deduplication and brings the GCM decrypt speed up to par.

internal/speed$ benchstat old new
name                old time/op   new time/op   delta
StupidGCM-4          4.71µs ± 0%   4.66µs ± 0%   -0.99%  (p=0.008 n=5+5)
StupidGCMDecrypt-4   5.77µs ± 1%   4.51µs ± 0%  -21.80%  (p=0.008 n=5+5)

name                old speed     new speed     delta
StupidGCM-4         870MB/s ± 0%  879MB/s ± 0%   +1.01%  (p=0.008 n=5+5)
StupidGCMDecrypt-4  710MB/s ± 1%  908MB/s ± 0%  +27.87%  (p=0.008 n=5+5)
2021-09-07 18:14:05 +02:00
Jakob Unterwurzacher 4017e4b22c stupidgcm: add stupidXchacha20poly1305
Implementation copied from
32db794688/chacha20poly1305/xchacha20poly1305.go
2021-09-07 18:14:05 +02:00
Jakob Unterwurzacher 5df7ee815d stupidgcm: stupidChacha20poly1305: use byte array for key
Follow what golang.org/x/crypto/chacha20poly1305 does
for easier integration in the next commit.
2021-09-07 18:13:54 +02:00
Jakob Unterwurzacher 3ba74ac4fc stupidgcm: add testWipe test
After looking at the cover profile, this was the only untested
code except panic cases.
2021-09-02 10:17:01 +02:00
Jakob Unterwurzacher 961b8ca438 stupidgcm: deduplicate tests 2/2
Deduplicate the cipher setup that was identical
for all tests for each cipher.
2021-09-02 10:04:38 +02:00
Jakob Unterwurzacher 676a4ceb87 stupidgcm: deduplicate tests 1/2
Pull the code shared between chacha and gcm into
generic functions.
2021-09-02 09:57:20 +02:00