func Decrypt(v, k []byte) ([]byte, error) {
if len(k) != 16 {
return nil, KeyError
}
r := C.btea((*C.int)(unsafe.Pointer(&v[0])), C.int(-len(v)/4), (*C.int)(unsafe.Pointer(&k[0])))
if r != 0 {
return nil, XXTeaError
}
return PKCS5UnPadding(v), nil
}
func Encrypt(v, k []byte) ([]byte, error) {
if len(k) != 16 {
return nil, KeyError
}
if len(v) < 8 {
v = PKCS5Padding(v, 8)
} else {
v = PKCS5Padding(v, 4)
}
r := C.btea((*C.int)(unsafe.Pointer(&v[0])), C.int(len(v)/4), (*C.int)(unsafe.Pointer(&k[0])))
if r != 0 {
return nil, XXTeaError
}
return v, nil
}