Mirror of gocryptfs source code on Github http://nuetzlich.net/cgit/gocryptfs/atom?h=xattr_user_buffer 2021-09-07T16:14:05+00:00 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-04T09:41:56+00:00 urn:sha1:e2ec048a09889b2bf71e8bbfef9f0584ff7d69db 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) 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-03T16:44:41+00:00 urn:sha1:bf572aef88963732849b8e5ae679e63c6be4aa46 Gets the decryption speed to the same level as the encryption speed. internal/speed$ benchstat old.txt new.txt name old time/op new time/op delta StupidXchacha-4 732MB/s ± 0% 740MB/s ± 0% ~ (p=1.000 n=1+1) StupidXchachaDecrypt-4 602MB/s ± 0% 741MB/s ± 0% ~ (p=1.000 n=1+1) 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-03T15:11:57+00:00 urn:sha1:69d626b26f5a3f55c752b59af44710b992e2ab76 2021-09-07T16:14:05+00:00 Jakob Unterwurzacher 2021-09-03T14:44:13+00:00 urn:sha1:a3f5a8492a8bc62d8e2a639bd449b425efa66ce2 Go has a high overhead for each C call, so batch all openssl operations in the new C function chacha20poly1305_seal. Benchmark results: internal/speed$ go test -bench BenchmarkStupidXchacha -count 10 > old.txt internal/speed$ go test -bench BenchmarkStupidXchacha -count 10 > new.txt internal/speed$ benchstat old.txt new.txt name old time/op new time/op delta StupidXchacha-4 8.79µs ± 1% 7.25µs ± 1% -17.54% (p=0.000 n=10+10) name old speed new speed delta StupidXchacha-4 466MB/s ± 1% 565MB/s ± 1% +21.27% (p=0.000 n=10+10)