From 3e27acb989614f82a25d50ab19a0a4419f19aa27 Mon Sep 17 00:00:00 2001 From: Jakob Unterwurzacher Date: Fri, 3 Sep 2021 18:30:42 +0200 Subject: speed: add decryption benchmarks 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 --- internal/speed/speed.go | 19 ++++++++++++++++++ internal/speed/speed_test.go | 47 ++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 62 insertions(+), 4 deletions(-) (limited to 'internal') diff --git a/internal/speed/speed.go b/internal/speed/speed.go index 37b9daf..a696703 100644 --- a/internal/speed/speed.go +++ b/internal/speed/speed.go @@ -92,6 +92,25 @@ func bEncrypt(b *testing.B, c cipher.AEAD) { } +func bDecrypt(b *testing.B, c cipher.AEAD) { + authData := randBytes(adLen) + iv := randBytes(c.NonceSize()) + plain := randBytes(blockSize) + ciphertext := c.Seal(iv, iv, plain, authData) + + b.SetBytes(int64(len(plain))) + b.ResetTimer() + for i := 0; i < b.N; i++ { + // Reset plain buffer + plain = plain[:0] + // Decrypt + _, err := c.Open(plain, iv, ciphertext[c.NonceSize():], authData) + if err != nil { + b.Fatal(err) + } + } +} + // bStupidGCM benchmarks stupidgcm's openssl GCM func bStupidGCM(b *testing.B) { if stupidgcm.BuiltWithoutOpenssl { diff --git a/internal/speed/speed_test.go b/internal/speed/speed_test.go index a6f3f30..4d09148 100644 --- a/internal/speed/speed_test.go +++ b/internal/speed/speed_test.go @@ -1,5 +1,16 @@ package speed +import ( + "crypto/aes" + "crypto/cipher" + "testing" + + "golang.org/x/crypto/chacha20poly1305" + + "github.com/rfjakob/gocryptfs/v2/internal/siv_aead" + "github.com/rfjakob/gocryptfs/v2/internal/stupidgcm" +) + /* Make the "-speed" benchmarks also accessible to the standard test system. Example run: @@ -12,26 +23,54 @@ PASS ok github.com/rfjakob/gocryptfs/v2/internal/speed 6.022s */ -import ( - "testing" -) - func BenchmarkStupidGCM(b *testing.B) { bStupidGCM(b) } +func BenchmarkStupidGCMDecrypt(b *testing.B) { + if stupidgcm.BuiltWithoutOpenssl { + b.Skip("openssl has been disabled at compile-time") + } + bDecrypt(b, stupidgcm.New(randBytes(32), false)) +} + func BenchmarkGoGCM(b *testing.B) { bGoGCM(b) } +func BenchmarkGoGCMDecrypt(b *testing.B) { + gAES, err := aes.NewCipher(randBytes(32)) + if err != nil { + b.Fatal(err) + } + gGCM, err := cipher.NewGCMWithNonceSize(gAES, 16) + if err != nil { + b.Fatal(err) + } + bDecrypt(b, gGCM) +} + func BenchmarkAESSIV(b *testing.B) { bAESSIV(b) } +func BenchmarkAESSIVDecrypt(b *testing.B) { + bEncrypt(b, siv_aead.New(randBytes(64))) +} + func BenchmarkXchacha(b *testing.B) { bXchacha20poly1305(b) } +func BenchmarkXchachaDecrypt(b *testing.B) { + c, _ := chacha20poly1305.NewX(randBytes(32)) + bDecrypt(b, c) +} + func BenchmarkStupidXchacha(b *testing.B) { bStupidXchacha(b) } + +func BenchmarkStupidXchachaDecrypt(b *testing.B) { + bDecrypt(b, stupidgcm.NewXchacha20poly1305(randBytes(32))) +} -- cgit v1.2.3