Function at 0x4deee0
Capabilities:
Encode data using xor

Disassembly:
push ebx
push ebp
push esi
mov esi, 1
cmp dword [0x56ede8], esi
push edi
jl 0x4def04
mov eax, dword [0x56f444]
push str.qh_freeqhull:_free_global_memory_n
push eax
call fcn.005012b6
add esp, 8
xor ebp, ebp
cmp dword [esp + 0x14], ebp
mov dword [0x56f4d0], esi
je 0x4df037
push ebp
call fcn.004dbd80
mov eax, dword [0x56f480]
add esp, 4
cmp eax, ebp
je 0x4def51
cmp dword [eax], ebp
je 0x4def37
push eax
call fcn.004dbe60
add esp, 4
jmp 0x4def48
push 0x18
push eax
call fcn.004e7c90
add esp, 8
mov dword [0x56f480], ebp
mov eax, dword [0x56f480]
cmp eax, ebp
jne 0x4def28
mov edx, dword [0x56f458]
cmp edx, ebp
je 0x4def94
mov edi, 0x400
mov esi, 0xfeffffff
cmp dword [edx + 0x1c], ebp
je 0x4def94
test dword [edx + 0x3c], edi
jne 0x4def8d
mov eax, dword [edx + 0x24]
cmp eax, ebp
je 0x4def8d
lea ecx, [eax + 4]
mov eax, dword [ecx]
cmp eax, ebp
je 0x4def8d
nop
and dword [eax + 0xc], esi
mov eax, dword [ecx + 4]
add ecx, 4
cmp eax, ebp
jne 0x4def80
mov edx, dword [edx + 0x1c]
cmp edx, ebp
jne 0x4def65
mov esi, dword [0x56f458]
cmp esi, ebp
je 0x4defd9
mov edi, edi
cmp dword [esi + 0x1c], ebp
je 0x4defd9
mov eax, dword [esi + 0x24]
cmp eax, ebp
je 0x4defd2
lea edx, [eax + 4]
mov eax, dword [edx]
cmp eax, ebp
je 0x4defd2
mov ecx, dword [eax + 0xc]
mov edi, ecx
not edi
xor edi, ecx
and edi, 0x1000000
xor edi, ecx
add edx, 4
mov dword [eax + 0xc], edi
mov eax, dword [edx]
cmp eax, ebp
jne 0x4defb5
mov esi, dword [esi + 0x1c]
cmp esi, ebp
jne 0x4defa0
mov ebx, dword [0x56f458]
cmp ebx, ebp
je 0x4df0b9
jmp 0x4deff0
mov eax, dword [ebx + 0x24]
cmp eax, ebp
je 0x4df111
mov esi, dword [eax + 4]
cmp esi, ebp
lea edi, [eax + 4]
je 0x4df111
lea esp, [esp]
mov eax, dword [esi + 0xc]
add edi, 4
test eax, 0x1000000
je 0x4df0ff
push esi
call fcn.004ed050
push 0x10
push esi
call fcn.004e7c90
add esp, 0xc
jmp 0x4df107
cmp dword [0x56f374], ebp
je 0x4df066
mov esi, dword [0x56f480]
cmp esi, ebp
je 0x4df066
lea esp, [esp]
cmp dword [esi], ebp
je 0x4df066
lea ecx, [esi + 0xc]
push ecx
call fcn.004ed0b0
mov esi, dword [esi]
add esp, 4
cmp esi, ebp
jne 0x4df050
mov esi, dword [0x56f458]
cmp esi, ebp
je 0x4df0b9
mov edi, 0x1000
cmp dword [esi + 0x1c], ebp
je 0x4df0b9
lea edx, [esi + 0x2c]
push edx
call fcn.004ed0b0
lea eax, [esi + 0x30]
push eax
call fcn.004ed0b0
add esp, 8
test dword [esi + 0x3c], edi
jne 0x4df0b2
lea ecx, [esi + 0x28]
push ecx
call fcn.004ed0b0
lea edx, [esi + 0x24]
push edx
call fcn.004ed0b0
lea eax, [esi + 0x20]
push eax
call fcn.004ed0b0
add esp, 0xc
mov esi, dword [esi + 0x1c]
cmp esi, ebp
jne 0x4df075
push 0x56f50c
call fcn.004ed050
mov eax, dword [0x56f500]
add esp, 4
cmp eax, ebp
je 0x4df0ec
lea esi, [eax + 4]
mov eax, dword [esi]
cmp eax, ebp
je 0x4df0ec
push 0x10
push eax
add esi, 4
call fcn.004e7c90
mov eax, dword [esi]
add esp, 8
cmp eax, ebp
jne 0x4df0d8
call fcn.004ded00
call fcn.004ec5e0
pop edi
pop esi
pop ebp
pop ebx
jmp 0x4ed390
or eax, 0x1000000
mov dword [esi + 0xc], eax
mov esi, dword [edi]
cmp esi, ebp
jne 0x4df010
cmp dword [ebx + 0x1c], ebp
je 0x4df121
push ebx
call fcn.004daa70
add esp, 4
jmp 0x4df132
push 0x40
push ebx
call fcn.004e7c90
add esp, 8
mov dword [0x56f458], ebp
mov ebx, dword [0x56f458]
cmp ebx, ebp
jne 0x4deff0
jmp 0x4df0b9
mov eax, dword [0x56f598]
test eax, eax
je 0x4ed3ed
push esi
lea esi, [eax + 4]
mov eax, dword [esi]
test eax, eax
je 0x4ed3ec
add esi, 4
test eax, eax
je 0x4ed3e6
mov ecx, dword [eax]
lea ecx, [ecx*4 + 8]
cmp ecx, dword [0x56f578]
jg 0x4ed3dc
mov edx, dword [0x56f588]
add dword [0x56f5b4], 1
mov ecx, dword [edx + ecx*4]
mov edx, dword [0x56f580]
lea ecx, [edx + ecx*4]
mov edx, dword [ecx]
mov dword [eax], edx
mov dword [ecx], eax
jmp 0x4ed3e6
push ecx
push eax
call fcn.004e7c90
add esp, 8
mov eax, dword [esi]
test eax, eax
jne 0x4ed3a3
pop esi
push 0x56f598
call fcn.004ed050
pop ecx
ret