Mirror of gocryptfs source code on Github http://nuetzlich.net/cgit/gocryptfs/atom?h=v2.2.0-beta2 2021-09-14T16:58:22+00:00 2021-09-14T16:58:22+00:00 Jakob Unterwurzacher 2021-09-14T16:47:41+00:00 urn:sha1:2d0ba24ecab375f276f024bc014faad9a7ef169c When somebody posts "gocryptfs -speed" results, they are most helpful together with the CPU model. Add the cpu model to the output. Example: $ ./gocryptfs -speed gocryptfs v2.2.0-beta1-5-g52b0444-dirty; go-fuse v2.1.1-0.20210825171523-3ab5d95a30ae; 2021-09-14 go1.17.1 linux/amd64 cpu: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz; with AES acceleration AES-GCM-256-OpenSSL 862.79 MB/s AES-GCM-256-Go 997.71 MB/s (selected in auto mode) AES-SIV-512-Go 159.58 MB/s XChaCha20-Poly1305-OpenSSL 729.65 MB/s XChaCha20-Poly1305-Go 843.97 MB/s (selected in auto mode) 2021-09-14T08:15:18+00:00 Jakob Unterwurzacher 2021-09-14T08:15:18+00:00 urn:sha1:cdbc48fe297388392d95c0757a6099d01a50347b 2021-09-10T10:14:19+00:00 Jakob Unterwurzacher 2021-09-10T10:14:19+00:00 urn:sha1:d023cd6c95fcbc6b5056ba1f425d2ac3df4abc5a The rewritten openssl backend does not support this flag anymore, and it was inherently dangerour. Drop it (ignored for compatibility) 2021-09-08T18:46:52+00:00 Jakob Unterwurzacher 2021-09-08T18:46:52+00:00 urn:sha1:ad21647f250697d88eade461c08073732d2cf7e0 2021-09-08T17:48:13+00:00 Jakob Unterwurzacher 2021-09-08T17:48:13+00:00 urn:sha1:1a5866729387c09eca1cdc9737d1b02c74c25901 Add PreferOpenSSLXchacha20poly1305, rename PreferOpenSSL -> PreferOpenSSLAES256GCM. 2021-09-07T16:15:04+00:00 Jakob Unterwurzacher 2021-09-07T16:11:11+00:00 urn:sha1:85c2beccaf674c69b3e30b0d646f5c11d91ecb9b New() -> NewAES256GCM() Also add missing NewChacha20poly1305 constructor in without_openssl.go. 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-04T17:18:42+00:00 urn:sha1:a2eaa5e3d1d9dfd8cf840076c215d253f82abf4b 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 249396 4722 ns/op 867.50 MB/s BenchmarkStupidGCMDecrypt-4 257872 4616 ns/op 887.35 MB/s BenchmarkGoGCM-4 290952 4097 ns/op 999.83 MB/s BenchmarkGoGCMDecrypt-4 294106 4060 ns/op 1008.84 MB/s BenchmarkAESSIV-4 46520 25532 ns/op 160.42 MB/s BenchmarkAESSIVDecrypt-4 46974 25478 ns/op 160.76 MB/s BenchmarkXchacha-4 244108 4881 ns/op 839.14 MB/s BenchmarkXchachaDecrypt-4 249658 4786 ns/op 855.86 MB/s BenchmarkStupidXchacha-4 205339 5768 ns/op 710.11 MB/s BenchmarkStupidXchachaDecrypt-4 204577 5836 ns/op 701.84 MB/s BenchmarkStupidChacha-4 227510 5224 ns/op 784.06 MB/s BenchmarkStupidChachaDecrypt-4 222787 5359 ns/op 764.34 MB/s PASS ok github.com/rfjakob/gocryptfs/v2/internal/speed 15.328s 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-03T16:30:42+00:00 urn:sha1:3e27acb989614f82a25d50ab19a0a4419f19aa27 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 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-03T15:40:29+00:00 urn:sha1:5046962634d83a01341585f9f96090add2396e82 The bEncrypt helper massively deduplicates the code, and reusing the dst buffer gives higher performance, and that's what gocryptfs does in normal operation via sync.Pool. $ benchstat old.txt new.txt name old time/op new time/op delta StupidGCM-4 6.24µs ± 1% 4.65µs ± 0% -25.47% (p=0.008 n=5+5) GoGCM-4 4.90µs ± 0% 4.10µs ± 0% -16.44% (p=0.008 n=5+5) AESSIV-4 26.4µs ± 0% 25.6µs ± 0% -2.90% (p=0.008 n=5+5) Xchacha-4 5.76µs ± 0% 4.91µs ± 0% -14.79% (p=0.008 n=5+5) StupidXchacha-4 7.24µs ± 1% 5.48µs ± 0% -24.33% (p=0.008 n=5+5) name old speed new speed delta StupidGCM-4 656MB/s ± 1% 880MB/s ± 0% +34.15% (p=0.008 n=5+5) GoGCM-4 835MB/s ± 0% 1000MB/s ± 0% +19.68% (p=0.008 n=5+5) AESSIV-4 155MB/s ± 0% 160MB/s ± 0% +2.99% (p=0.008 n=5+5) Xchacha-4 711MB/s ± 0% 834MB/s ± 0% +17.35% (p=0.008 n=5+5) StupidXchacha-4 565MB/s ± 1% 747MB/s ± 0% +32.15% (p=0.008 n=5+5) 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-02T09:33:06+00:00 urn:sha1:9e1dd73e55e095b8e8b4264897c4d21fcdcdb2ae $ ./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