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gocryptfs/internal/speed$ go test -bench .
goos: linux
goarch: amd64
pkg: github.com/rfjakob/gocryptfs/v2/internal/speed
cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz
BenchmarkStupidGCM-4 263742 4523 ns/op 905.61 MB/s
BenchmarkStupidGCMDecrypt-4 204858 5779 ns/op 708.76 MB/s
BenchmarkGoGCM-4 291259 4095 ns/op 1000.25 MB/s
BenchmarkGoGCMDecrypt-4 293886 4061 ns/op 1008.53 MB/s
BenchmarkAESSIV-4 46537 25538 ns/op 160.39 MB/s
BenchmarkAESSIVDecrypt-4 46770 25627 ns/op 159.83 MB/s
BenchmarkXchacha-4 243619 4893 ns/op 837.03 MB/s
BenchmarkXchachaDecrypt-4 248857 4793 ns/op 854.51 MB/s
BenchmarkStupidXchacha-4 213717 5558 ns/op 736.99 MB/s
BenchmarkStupidXchachaDecrypt-4 176635 6782 ns/op 603.96 MB/s
PASS
ok github.com/rfjakob/gocryptfs/v2/internal/speed 12.871s
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$ ./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
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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/%
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Yields a nice reduction in code size.
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Old Go versions miss cipher.NewGCMWithNonceSize, which causes:
internal/speed/speed.go:95: undefined: cipher.NewGCMWithNonceSize
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A crypto benchmark mode like "openssl speed".
Example run:
$ ./gocryptfs -speed
AES-GCM-256-OpenSSL 180.89 MB/s (selected in auto mode)
AES-GCM-256-Go 48.19 MB/s
AES-SIV-512-Go 37.40 MB/s
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