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.PQK........TTS`........!.....xD
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unsigned __int8 *__cdecl hProtoclEncryptBySeekEvenOdd::decrypt(hProtoclEncryptBySeekEvenOdd *this, hProtocolEncryptInterface *a2, unsigned __int8 *a3, int *a4)
{
unsigned __int8 *v4; // esi@1
int v5; // ST08_4@2
hProtocolEncryptInterface *v6; // ST00_4@3
int *v8; // [sp+Ch] [bp-10h]@0
sub_6FF51B();
v4 = (unsigned __int8 *)hProtocolEncryptInterface::getContentByEncryptData(a2, a3, (int)a4, v8);
if ( v4 )
{
hProtoclEncryptBySeekEvenOdd::crypt(this, v4, *((_DWORD *)a2 + 5), *((_DWORD *)a2 + 3));
if ( hProtocolEncryptInterface::getCheckSum(
(hProtocolEncryptInterface *)v4,
*((const unsigned __int8 **)a2 + 5),
v5) != *((_DWORD *)a2 + 4) )
{
v6 = (hProtocolEncryptInterface *)v4;
v4 = 0;
operator delete[]((void *)v6);
}
}
return v4;
}
int __cdecl hProtoclEncryptBySeekEvenOdd::crypt(hProtoclEncryptBySeekEvenOdd *this, unsigned __int8 *a2, int a3, char a4){
int result; // eax@1
unsigned __int8 v5; // dl@5
int v6; // ecx@5
result = 0;
if ( a3 > 0 ) {
do {
while ( 1 ) {
v5 = ~a2[result];
a2[result] = v5;
v6 = *((_DWORD *)this + 1);
if ( v6 != 4 )
break;
a2[result] = a4 ^ v5;
LABEL_7:
if ( ++result == a3 )
return result;
}
if ( v6 == 2 && result & 1 ) {
a2[result] = a4 ^ v5;
goto LABEL_7;
}
++result;
}
while ( result != a3 );
}
return result;
}