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Diffstat (limited to 'internal')
-rw-r--r--internal/speed/speed.go85
1 files changed, 25 insertions, 60 deletions
diff --git a/internal/speed/speed.go b/internal/speed/speed.go
index d53e402..37b9daf 100644
--- a/internal/speed/speed.go
+++ b/internal/speed/speed.go
@@ -73,35 +73,36 @@ func randBytes(n int) []byte {
return b
}
-// bStupidGCM benchmarks stupidgcm's openssl GCM
-func bStupidGCM(b *testing.B) {
- if stupidgcm.BuiltWithoutOpenssl {
- b.Skip("openssl has been disabled at compile-time")
- }
- key := randBytes(32)
+// bEncrypt benchmarks the encryption speed of cipher "c"
+func bEncrypt(b *testing.B, c cipher.AEAD) {
authData := randBytes(adLen)
- iv := randBytes(16)
+ iv := randBytes(c.NonceSize())
in := make([]byte, blockSize)
- b.SetBytes(int64(len(in)))
-
- sGCM := stupidgcm.New(key, false)
+ dst := make([]byte, len(in)+len(iv)+c.Overhead())
+ copy(dst, iv)
+ b.SetBytes(int64(len(in)))
b.ResetTimer()
for i := 0; i < b.N; i++ {
+ // Reset dst buffer
+ dst = dst[:len(iv)]
// Encrypt and append to nonce
- sGCM.Seal(iv, iv, in, authData)
+ c.Seal(dst, iv, in, authData)
}
+
+}
+
+// bStupidGCM benchmarks stupidgcm's openssl GCM
+func bStupidGCM(b *testing.B) {
+ if stupidgcm.BuiltWithoutOpenssl {
+ b.Skip("openssl has been disabled at compile-time")
+ }
+ bEncrypt(b, stupidgcm.New(randBytes(32), false))
}
// bGoGCM benchmarks Go stdlib GCM
func bGoGCM(b *testing.B) {
- key := randBytes(32)
- authData := randBytes(adLen)
- iv := randBytes(16)
- in := make([]byte, blockSize)
- b.SetBytes(int64(len(in)))
-
- gAES, err := aes.NewCipher(key)
+ gAES, err := aes.NewCipher(randBytes(32))
if err != nil {
b.Fatal(err)
}
@@ -109,44 +110,19 @@ func bGoGCM(b *testing.B) {
if err != nil {
b.Fatal(err)
}
-
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- // Encrypt and append to nonce
- gGCM.Seal(iv, iv, in, authData)
- }
+ bEncrypt(b, gGCM)
}
// bAESSIV benchmarks AES-SIV from github.com/jacobsa/crypto/siv
func bAESSIV(b *testing.B) {
- key := randBytes(64)
- authData := randBytes(adLen)
- iv := randBytes(16)
- in := make([]byte, blockSize)
- b.SetBytes(int64(len(in)))
- gGCM := siv_aead.New(key)
-
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- // Encrypt and append to nonce
- gGCM.Seal(iv, iv, in, authData)
- }
+ c := siv_aead.New(randBytes(64))
+ bEncrypt(b, c)
}
// bXchacha20poly1305 benchmarks XChaCha20 from golang.org/x/crypto/chacha20poly1305
func bXchacha20poly1305(b *testing.B) {
- key := randBytes(32)
- authData := randBytes(adLen)
- iv := randBytes(chacha20poly1305.NonceSizeX)
- in := make([]byte, blockSize)
- b.SetBytes(int64(len(in)))
- c, _ := chacha20poly1305.NewX(key)
-
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- // Encrypt and append to nonce
- c.Seal(iv, iv, in, authData)
- }
+ c, _ := chacha20poly1305.NewX(randBytes(32))
+ bEncrypt(b, c)
}
// bStupidXchacha benchmarks OpenSSL XChaCha20
@@ -154,16 +130,5 @@ func bStupidXchacha(b *testing.B) {
if stupidgcm.BuiltWithoutOpenssl {
b.Skip("openssl has been disabled at compile-time")
}
- key := randBytes(32)
- authData := randBytes(adLen)
- iv := randBytes(chacha20poly1305.NonceSizeX)
- in := make([]byte, blockSize)
- b.SetBytes(int64(len(in)))
- c := stupidgcm.NewXchacha20poly1305(key)
-
- b.ResetTimer()
- for i := 0; i < b.N; i++ {
- // Encrypt and append to nonce
- c.Seal(iv, iv, in, authData)
- }
+ bEncrypt(b, stupidgcm.NewXchacha20poly1305(randBytes(32)))
}