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