int __thiscall decryptRecvPacket1(void *this, char* packetData, int dataSize, int unknownNotUsed)
{
    push ebp
    mov ebp,esp
    push edi
    mov edi,ecx
    mov ecx,dword ptr ss:[ebp+C]
    xor edx,edx
    xor eax,eax
    test ecx,ecx
    jbe maplestory2.41A26F
    push ebx
    push esi
    mov esi,dword ptr ss:[ebp+8]
    mov ebx,dword ptr ds:[edi+4]
    mov bl,byte ptr ds:[ebx+edx]
    xor byte ptr ds:[eax+esi],bl
    xor ebx,ebx
    test edx,edx
    sete bl
    inc eax
    mov edx,ebx
    cmp eax,ecx
    jb maplestory2.41A256
    pop esi
    pop ebx
    mov eax,1
    pop edi
    pop ebp
    ret C
}

int __thiscall decryptRecvPacket2(void *this, char* packetData, int dataSize, int unknownNotUsed)
{
    push ebp
    mov ebp,esp
    push esi
    push edi
    mov edi,dword ptr ss:[ebp+C]
    xor eax,eax
    mov esi,ecx
    test edi,edi
    jbe maplestory2.41A337
    mov edx,dword ptr ss:[ebp+8]
    push ebx
    movzx ecx,byte ptr ds:[eax+edx]
    mov ebx,dword ptr ds:[esi+8]
    mov cl,byte ptr ds:[ecx+ebx]
    mov byte ptr ds:[eax+edx],cl
    inc eax
    cmp eax,edi
    jb maplestory2.41A324
    pop ebx
    pop edi
    mov eax,1
    pop esi
    pop ebp
    ret C
}