76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package cryptocore
|
|
|
|
// Benchmark go built-int GCM against spacemonkey openssl bindings
|
|
//
|
|
// Note: The benchmarks in this file supersede the ones in the openssl_benchmark
|
|
// directory as they use the same code paths that gocryptfs actually uses.
|
|
//
|
|
// Run benchmark:
|
|
// go test -bench Enc
|
|
|
|
import (
|
|
"crypto/aes"
|
|
"testing"
|
|
)
|
|
|
|
func benchmarkGoEnc(b *testing.B, plaintext []byte, key []byte, nonce []byte) (ciphertext []byte) {
|
|
b.SetBytes(int64(len(plaintext)))
|
|
aes, err := aes.NewCipher(key[:])
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
aesgcm, err := goGCMWrapper(aes, len(nonce))
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
// This would be fileID + blockNo
|
|
aData := make([]byte, 24)
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
// Encrypt plaintext and append to nonce
|
|
ciphertext = aesgcm.Seal(nonce, nonce, plaintext, aData)
|
|
}
|
|
return ciphertext
|
|
}
|
|
|
|
func benchmarkOpensslEnc(b *testing.B, plaintext []byte, key []byte, nonce []byte) (ciphertext []byte) {
|
|
b.SetBytes(int64(len(plaintext)))
|
|
var aesgcm opensslGCM
|
|
aesgcm.key = key
|
|
// This would be fileID + blockNo
|
|
aData := make([]byte, 24)
|
|
for i := 0; i < b.N; i++ {
|
|
// Encrypt plaintext and append to nonce
|
|
ciphertext = aesgcm.Seal(nonce, nonce, plaintext, aData)
|
|
}
|
|
return ciphertext
|
|
}
|
|
|
|
func BenchmarkEnc_Go_4k_AES256_nonce96(b *testing.B) {
|
|
plaintext := make([]byte, 4048)
|
|
key := make([]byte, 256/8)
|
|
nonce := make([]byte, 96/8)
|
|
benchmarkGoEnc(b, plaintext, key, nonce)
|
|
}
|
|
|
|
func BenchmarkEnc_Go_4k_AES256_nonce128(b *testing.B) {
|
|
plaintext := make([]byte, 4048)
|
|
key := make([]byte, 256/8)
|
|
nonce := make([]byte, 128/8)
|
|
benchmarkGoEnc(b, plaintext, key, nonce)
|
|
}
|
|
|
|
func BenchmarkEnc_OpenSSL_4k_AES256_nonce96(b *testing.B) {
|
|
plaintext := make([]byte, 4048)
|
|
key := make([]byte, 256/8)
|
|
nonce := make([]byte, 96/8)
|
|
benchmarkOpensslEnc(b, plaintext, key, nonce)
|
|
}
|
|
|
|
func BenchmarkEnc_OpenSSL_4k_AES256_nonce128(b *testing.B) {
|
|
plaintext := make([]byte, 4048)
|
|
key := make([]byte, 256/8)
|
|
nonce := make([]byte, 96/8)
|
|
benchmarkOpensslEnc(b, plaintext, key, nonce)
|
|
}
|