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crypto/aes: add benchmarks for decryption and key expansion

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R=agl, rsc, fullung
CC=golang-dev
https://golang.org/cl/5972056
This commit is contained in:
Shenghou Ma 2012-04-06 04:19:35 +08:00
parent 56024fa64e
commit cf1f044251
1 changed files with 26 additions and 2 deletions
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28
src/pkg/crypto/aes/aes_test.go
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@ -352,15 +352,39 @@ func TestCipherDecrypt(t *testing.T) {
}
func BenchmarkEncrypt(b *testing.B) {
b.StopTimer()
tt := encryptTests[0]
c, err := NewCipher(tt.key)
if err != nil {
b.Fatal("NewCipher:", err)
}
out := make([]byte, len(tt.in))
b.StartTimer()
b.SetBytes(int64(len(out)))
b.ResetTimer()
for i := 0; i < b.N; i++ {
c.Encrypt(out, tt.in)
}
}
func BenchmarkDecrypt(b *testing.B) {
tt := encryptTests[0]
c, err := NewCipher(tt.key)
if err != nil {
b.Fatal("NewCipher:", err)
}
out := make([]byte, len(tt.out))
b.SetBytes(int64(len(out)))
b.ResetTimer()
for i := 0; i < b.N; i++ {
c.Decrypt(out, tt.out)
}
}
func BenchmarkExpand(b *testing.B) {
tt := encryptTests[0]
n := len(tt.key) + 28
c := &aesCipher{make([]uint32, n), make([]uint32, n)}
b.ResetTimer()
for i := 0; i < b.N; i++ {
expandKey(tt.key, c.enc, c.dec)
}
}