20 lines
356 B
C
20 lines
356 B
C
#define SZ_MAGICKEY "Denali rocks!"
|
|
|
|
void* xor(void* pData, const int cbData, const void* pKey, const int cbKey)
|
|
{
|
|
void* pRet = pData;
|
|
int iKeyPos = 0;
|
|
BYTE* pbData = (BYTE*) pData;
|
|
BYTE* pbKey = (BYTE*) pKey;
|
|
|
|
for(int i = 0; i < cbData; i++)
|
|
{
|
|
*pbData++ ^= *(pbKey + iKeyPos++);
|
|
iKeyPos %= cbKey;
|
|
}
|
|
|
|
return pRet;
|
|
}
|
|
|
|
|