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tea_test.go
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tea_test.go
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package binary
import (
"bytes"
"crypto/rand"
"encoding/hex"
"testing"
"github.com/Mrs4s/MiraiGo/utils"
)
var testTEA = NewTeaCipher([]byte("0123456789ABCDEF"))
const (
KEY = iota
DAT
ENC
)
var sampleData = func() [][3]string {
out := [][3]string{
{"0123456789ABCDEF", "MiraiGO Here", "b7b2e52af7f5b1fbf37fc3d5546ac7569aecd01bbacf09bf"},
{"0123456789ABCDEF", "LXY Testing~", "9d0ab85aa14f5434ee83cd2a6b28bf306263cdf88e01264c"},
{"0123456789ABCDEF", "s", "528e8b5c48300b548e94262736ebb8b7"},
{"0123456789ABCDEF", "long long long long long long long", "95715fab6efbd0fd4b76dbc80bd633ebe805849dbc242053b06557f87e748effd9f613f782749fb9fdfa3f45c0c26161"},
{"LXY1226 Mrs4s", "LXY Testing~", "ab20caa63f3a6503a84f3cb28f9e26b6c18c051e995d1721"},
}
for i := range out {
c, _ := hex.DecodeString(out[i][ENC])
out[i][ENC] = utils.B2S(c)
}
return out
}()
func TestTEA(t *testing.T) {
// Self Testing
for _, sample := range sampleData {
tea := NewTeaCipher(utils.S2B(sample[KEY]))
dat := utils.B2S(tea.Decrypt(utils.S2B(sample[ENC])))
if dat != sample[DAT] {
t.Fatalf("error decrypt %v %x", sample, dat)
}
enc := utils.B2S(tea.Encrypt(utils.S2B(sample[DAT])))
dat = utils.B2S(tea.Decrypt(utils.S2B(enc)))
if dat != sample[DAT] {
t.Fatal("error self test", sample)
}
}
key := make([]byte, 16)
_, err := rand.Read(key)
if err != nil {
panic(err)
}
// Random data testing
for i := 1; i < 0xFF; i++ {
_, err := rand.Read(key)
if err != nil {
panic(err)
}
tea := NewTeaCipher(key)
dat := make([]byte, i)
_, err = rand.Read(dat)
if err != nil {
panic(err)
}
enc := tea.Encrypt(dat)
dec := tea.Decrypt(enc)
if !bytes.Equal(dat, dec) {
t.Fatalf("error in %d, %x %x %x", i, key, dat, enc)
}
}
}
func benchEncrypt(b *testing.B, data []byte) {
_, err := rand.Read(data)
if err != nil {
panic(err)
}
b.SetBytes(int64(len(data)))
b.ResetTimer()
for i := 0; i < b.N; i++ {
testTEA.Encrypt(data)
}
}
func benchDecrypt(b *testing.B, data []byte) {
_, err := rand.Read(data)
if err != nil {
panic(err)
}
data = testTEA.Encrypt(data)
b.SetBytes(int64(len(data)))
b.ResetTimer()
for i := 0; i < b.N; i++ {
testTEA.Decrypt(data)
}
}
func BenchmarkTEAen(b *testing.B) {
b.Run("16", func(b *testing.B) {
data := make([]byte, 16)
benchEncrypt(b, data)
})
b.Run("256", func(b *testing.B) {
data := make([]byte, 256)
benchEncrypt(b, data)
})
b.Run("4K", func(b *testing.B) {
data := make([]byte, 1024*4)
benchEncrypt(b, data)
})
b.Run("32K", func(b *testing.B) {
data := make([]byte, 1024*32)
benchEncrypt(b, data)
})
}
func BenchmarkTEAde(b *testing.B) {
b.Run("16", func(b *testing.B) {
data := make([]byte, 16)
benchDecrypt(b, data)
})
b.Run("256", func(b *testing.B) {
data := make([]byte, 256)
benchDecrypt(b, data)
})
b.Run("4K", func(b *testing.B) {
data := make([]byte, 4096)
benchDecrypt(b, data)
})
b.Run("32K", func(b *testing.B) {
data := make([]byte, 1024*32)
benchDecrypt(b, data)
})
}
func BenchmarkTEA_encode(b *testing.B) {
for i := 0; i < b.N; i++ {
testTEA.encode(114514)
}
}
func BenchmarkTEA_decode(b *testing.B) {
for i := 0; i < b.N; i++ {
testTEA.decode(114514)
}
}