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gamecard_test.go
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/
gamecard_test.go
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package main
import (
"encoding/binary"
"os"
"reflect"
"testing"
)
func TestEncryption(t *testing.T) {
f, err := os.Open("bios/biosnds7.rom")
if err != nil {
t.Fatal(err)
}
data := make([]byte, 18*4+256*4*4)
f.ReadAt(data, 0x30)
f.Close()
c := NewKey1(data, []byte("AZEP"))
var test [8]byte
binary.BigEndian.PutUint64(test[:], 0x2229b690c67c17ff)
c.DecryptBE(test[:], test[:])
var exp [8]byte
binary.BigEndian.PutUint64(exp[:], 0x46e79a8337bc195d)
if !reflect.DeepEqual(test, exp) {
t.Errorf("decryption error, got:%x, want:%x", test, exp)
}
c.EncryptBE(exp[:], exp[:])
var exp2 [8]byte
binary.BigEndian.PutUint64(exp2[:], 0x2229b690c67c17ff)
if !reflect.DeepEqual(exp, exp2) {
t.Errorf("decryption error, got:%x, want:%x", exp, exp2)
}
}