cli/algo/qmc/cipher_rc4_test.go

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package qmc
import (
"os"
"reflect"
"testing"
)
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func loadTestRC4CipherData(name string) ([]byte, []byte, []byte, error) {
prefix := "./testdata/" + name
key, err := os.ReadFile(prefix + "_key.bin")
if err != nil {
return nil, nil, nil, err
}
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raw, err := os.ReadFile(prefix + "_raw.bin")
if err != nil {
return nil, nil, nil, err
}
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target, err := os.ReadFile(prefix + "_target.bin")
if err != nil {
return nil, nil, nil, err
}
return key, raw, target, nil
}
func Test_rc4Cipher_Decrypt(t *testing.T) {
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tests := []struct {
name string
wantErr bool
}{
{"mflac0_rc4", false},
{"mflac_rc4", false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
key, raw, target, err := loadTestRC4CipherData(tt.name)
if err != nil {
t.Fatalf("load testing data failed: %s", err)
}
c, err := newRC4Cipher(key)
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if err != nil {
t.Errorf("init rc4Cipher failed: %s", err)
return
}
c.Decrypt(raw, 0)
if !reflect.DeepEqual(raw, target) {
t.Error("overall")
}
})
}
}
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func BenchmarkRc4Cipher_Decrypt(b *testing.B) {
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key, raw, _, err := loadTestRC4CipherData("mflac0_rc4")
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if err != nil {
b.Fatalf("load testing data failed: %s", err)
}
c, err := newRC4Cipher(key)
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if err != nil {
b.Errorf("init rc4Cipher failed: %s", err)
return
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
c.Decrypt(raw, 0)
}
}
func Test_rc4Cipher_encFirstSegment(t *testing.T) {
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key, raw, target, err := loadTestRC4CipherData("mflac0_rc4")
if err != nil {
t.Fatalf("load testing data failed: %s", err)
}
t.Run("first-block(0~128)", func(t *testing.T) {
c, err := newRC4Cipher(key)
if err != nil {
t.Errorf("init rc4Cipher failed: %s", err)
return
}
c.Decrypt(raw[:128], 0)
if !reflect.DeepEqual(raw[:128], target[:128]) {
t.Error("first-block(0~128)")
}
})
}
func Test_rc4Cipher_encASegment(t *testing.T) {
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key, raw, target, err := loadTestRC4CipherData("mflac0_rc4")
if err != nil {
t.Fatalf("load testing data failed: %s", err)
}
t.Run("align-block(128~5120)", func(t *testing.T) {
c, err := newRC4Cipher(key)
if err != nil {
t.Errorf("init rc4Cipher failed: %s", err)
return
}
c.Decrypt(raw[128:5120], 128)
if !reflect.DeepEqual(raw[128:5120], target[128:5120]) {
t.Error("align-block(128~5120)")
}
})
t.Run("simple-block(5120~10240)", func(t *testing.T) {
c, err := newRC4Cipher(key)
if err != nil {
t.Errorf("init rc4Cipher failed: %s", err)
return
}
c.Decrypt(raw[5120:10240], 5120)
if !reflect.DeepEqual(raw[5120:10240], target[5120:10240]) {
t.Error("align-block(128~5120)")
}
})
}