Function at 0x499910
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
mov dword [esp + 0x10], 0
test edi, edi
jne 0x499930
pop edi
pop esi
pop ebp
mov eax, 0xffffff9a
pop ebx
pop ecx
ret
mov esi, dword [edi + 0x9c]
test esi, esi
jne 0x499945
pop edi
pop esi
pop ebp
mov eax, 0xffffff9a
pop ebx
pop ecx
ret
cmp dword [esi], 0
jne 0x499955
pop edi
pop esi
pop ebp
mov eax, 0xffffff9c
pop ebx
pop ecx
ret
mov eax, dword [esp + 0x20]
test eax, eax
jne 0x499965
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
pop ecx
ret
mov ecx, dword [esp + 0x1c]
mov dword [esi + 0x14], eax
mov dword [esi + 0x10], ecx
mov ecx, dword [esi + 0x5c]
cmp eax, ecx
jbe 0x499983
mov edx, dword [esi + 0x8c]
test edx, edx
jne 0x499983
mov dword [esi + 0x14], ecx
mov edx, dword [esi + 8]
mov ecx, dword [esi + 0x58]
add ecx, edx
cmp eax, ecx
jbe 0x49999c
mov eax, dword [esi + 0x8c]
test eax, eax
je 0x49999c
mov dword [esi + 0x14], ecx
mov eax, dword [esi + 0x14]
test eax, eax
jbe 0x499b8d
jmp 0x4999ad
mov edi, dword [esp + 0x18]
mov eax, dword [esi + 8]
test eax, eax
jne 0x499a89
mov eax, dword [esi + 0x58]
test eax, eax
jbe 0x499a89
mov ebp, 0x4000
cmp eax, ebp
jae 0x4999d2
mov ebp, eax
test ebp, ebp
je 0x49995d
mov edx, dword [esi + 0x88]
mov eax, dword [esi + 0x3c]
mov ecx, dword [esi + 0x7c]
add edx, eax
mov eax, dword [esi + 0x80]
push 0
push edx
push eax
push ecx
call dword [esi + 0x70]
add esp, 0x10
test eax, eax
jne 0x499b97
mov edx, dword [esi]
mov eax, dword [esi + 0x80]
mov ecx, dword [esi + 0x7c]
push ebp
push edx
push eax
push ecx
call dword [esi + 0x64]
add esp, 0x10
cmp eax, ebp
jne 0x499b97
mov eax, dword [edi + 0xa0]
test eax, eax
je 0x499a71
xor edi, edi
test ebp, ebp
jbe 0x499a71
mov eax, dword [esp + 0x18]
mov edx, dword [esi]
mov ecx, dword [eax + 0xb0]
add eax, 0xa4
push ecx
push eax
lea ebx, [edx + edi]
call fcn.00499600
mov cl, byte [ebx]
xor cl, al
mov byte [ebx], cl
mov edx, dword [esi]
movsx eax, byte [edx + edi]
push eax
mov eax, dword [esp + 0x24]
mov ecx, dword [eax + 0xb0]
add eax, 0xa4
push ecx
push eax
call fcn.00499620
mov edx, dword [esi]
add esp, 0x14
mov byte [edx + edi], al
inc edi
cmp edi, ebp
jb 0x499a26
mov ecx, dword [esi + 0x3c]
mov eax, dword [esi + 0x58]
add ecx, ebp
sub eax, ebp
mov dword [esi + 0x58], eax
mov eax, dword [esi]
mov dword [esi + 0x3c], ecx
mov dword [esi + 4], eax
mov dword [esi + 8], ebp
mov eax, dword [esi + 0x84]
test eax, eax
je 0x499b06
mov eax, dword [esi + 0x8c]
test eax, eax
jne 0x499b06
mov ecx, dword [esi + 0x10]
mov ebx, dword [esi + 0x18]
lea edx, [esi + 4]
push 2
push edx
mov dword [esp + 0x28], ecx
call fcn.004d3590
mov ebp, eax
add esp, 8
test ebp, ebp
jl 0x499ac7
mov eax, dword [esi + 0x1c]
test eax, eax
je 0x499ac7
mov ebp, 0xfffffffd
mov edi, dword [esi + 0x18]
mov eax, dword [esp + 0x20]
mov ecx, dword [esi + 0x50]
sub edi, ebx
push edi
push eax
push ecx
call fcn.004d4e40
mov edx, dword [esi + 0x5c]
mov ecx, dword [esp + 0x1c]
add esp, 0xc
sub edx, edi
add ecx, edi
cmp ebp, 1
mov dword [esi + 0x50], eax
mov dword [esi + 0x5c], edx
mov dword [esp + 0x10], ecx
je 0x499b8d
test ebp, ebp
jne 0x499ba0
jmp 0x499b82
mov eax, dword [esi + 8]
test eax, eax
jne 0x499b14
mov ecx, dword [esi + 0x58]
test ecx, ecx
je 0x499b8d
mov edi, dword [esi + 0x14]
cmp edi, eax
jb 0x499b1d
mov edi, eax
xor eax, eax
test edi, edi
jbe 0x499b34
mov edx, dword [esi + 4]
mov ecx, dword [esi + 0x10]
mov dl, byte [edx + eax]
mov byte [ecx + eax], dl
inc eax
cmp eax, edi
jb 0x499b23
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x50]
push edi
push eax
push ecx
call fcn.004d4e40
mov ecx, dword [esi + 0x5c]
mov ebp, dword [esi + 0x14]
mov ebx, dword [esi + 0x10]
mov edx, dword [esi + 4]
mov dword [esi + 0x50], eax
mov eax, dword [esi + 8]
sub ecx, edi
sub eax, edi
mov dword [esi + 0x5c], ecx
mov ecx, dword [esi + 0x18]
mov dword [esi + 8], eax
mov eax, dword [esp + 0x1c]
add esp, 0xc
sub ebp, edi
add ebx, edi
add edx, edi
add ecx, edi
add eax, edi
mov dword [esi + 0x14], ebp
mov dword [esi + 0x10], ebx
mov dword [esi + 4], edx
mov dword [esi + 0x18], ecx
mov dword [esp + 0x10], eax
mov eax, dword [esi + 0x14]
test eax, eax
ja 0x4999a9
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
pop ecx
ret
pop edi
mov eax, ebp
pop esi
pop ebp
pop ebx
pop ecx
ret