Function at 0x40871c
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov ebx, edx
mov edi, eax
mov esi, dword [ebp + 8]
xor eax, eax
mov dword [edi + 4], eax
mov dword [edi], eax
cmp dword [ebp - 4], 0x8000
jge 0x408744
mov ecx, dword [ebp - 4]
jmp 0x408749
mov ecx, 0x8000
mov eax, dword [edi + 8]
mov edx, ebx
call fcn.0040c370
mov byte [ebp - 5], 0
mov eax, 1
cmp eax, dword [ebp - 4]
jge 0x40876d
mov dl, byte [ebx + eax]
xor byte [ebp - 5], dl
inc eax
cmp eax, dword [ebp - 4]
jl 0x408761
mov edx, 8
mov eax, edi
call fcn.0040ba90
xor ecx, ecx
mov dword [esi + 0x10], ecx
mov al, byte [ebx]
cmp al, byte [ebp - 5]
jne 0x408965
mov ecx, dword [ebp - 4]
mov edx, ebx
mov eax, edi
call fcn.00408c54
mov ebx, eax
test ebx, ebx
je 0x4087de
mov edx, 1
mov eax, esi
call fcn.004089d8
mov eax, dword [esi + 0x10]
mov edx, eax
shl edx, 3
inc dword [esi + 0x10]
lea edx, [edx + edx*4]
add edx, dword [esi]
mov eax, edx
mov dword [eax], 0x28
mov dword [eax + 0xc], ebx
lea ecx, [eax + 0xc]
lea edx, [eax + 0x1c]
mov dword [eax + 0x14], ecx
mov ecx, 3
mov dword [eax + 0x24], edx
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
xor eax, eax
mov dword [ebp - 4], eax
mov eax, edi
call fcn.0040baa4
mov ebx, eax
mov edx, 1
mov eax, edi
call fcn.0040ba90
test bh, 0x80
je 0x40895a
mov eax, edi
call fcn.00408b34
inc eax
mov dword [ebp - 0xc], eax
xor ebx, ebx
jmp 0x408835
lea eax, [esi + 0x20]
mov edx, 1
call fcn.00406b80
mov eax, edi
call fcn.0040baa4
shr eax, 8
mov edx, dword [esi + 0x20]
mov byte [edx + ebx], al
mov edx, 8
mov eax, edi
call fcn.0040ba90
inc ebx
mov ecx, dword [edi]
cmp ecx, dword [ebp - 4]
jge 0x40895a
cmp ebx, dword [ebp - 0xc]
jl 0x40880b
jmp 0x40895a
mov edx, 1
mov eax, esi
call fcn.004089d8
mov ebx, dword [esi + 0x10]
mov eax, edi
shl ebx, 3
lea ebx, [ebx + ebx*4]
add ebx, dword [esi]
call fcn.0040baa4
test ah, 0x80
jne 0x408880
shr eax, 0xc
mov dword [ebx], eax
mov edx, 4
mov eax, edi
call fcn.0040ba90
jmp 0x408894
shr eax, 0xa
sub eax, 0x18
mov dword [ebx], eax
mov edx, 6
mov eax, edi
call fcn.0040ba90
mov edx, dword [ebx]
test byte [edx + 0x411634], 4
je 0x4088c0
mov eax, edi
call fcn.0040baa4
shr eax, 0xf
setne dl
and edx, 1
mov byte [ebx + 4], dl
mov edx, 1
mov eax, edi
call fcn.0040ba90
jmp 0x4088c4
mov byte [ebx + 4], 0
mov ecx, 3
mov dword [ebx + 0x18], ecx
mov dword [ebx + 8], ecx
mov eax, dword [ebx]
xor edx, edx
mov dl, byte [eax + 0x411634]
and edx, 3
mov dword [ebp - 0x10], edx
xor eax, eax
mov dword [ebx + 0x24], eax
mov dword [ebx + 0x14], eax
cmp dword [ebp - 0x10], 0
jle 0x408957
lea edx, [ebx + 8]
mov cl, byte [ebx + 4]
mov eax, edi
call fcn.00408a30
cmp dword [ebp - 0x10], 2
jne 0x40890f
lea edx, [ebx + 0x18]
mov cl, byte [ebx + 4]
mov eax, edi
call fcn.00408a30
jmp 0x408957
cmp dword [ebx + 8], 1
jne 0x408957
mov edx, dword [ebx]
test byte [edx + 0x411634], 0x18
je 0x408957
mov eax, dword [ebx + 0xc]
cmp eax, 0x100
jl 0x408931
sub eax, 0x100
jmp 0x408954
cmp eax, 0x88
jl 0x40893f
sub eax, 0x108
jmp 0x408951
cmp eax, 0x10
jl 0x408949
sub eax, 8
jmp 0x408951
cmp eax, 8
jl 0x408951
sub eax, 0x10
add eax, dword [esi + 0x10]
mov dword [ebx + 0xc], eax
inc dword [esi + 0x10]
mov edx, dword [edi]
cmp edx, dword [ebp - 4]
jl 0x40884a
mov edx, 1
mov eax, esi
call fcn.004089d8
mov eax, dword [esi + 0x10]
inc dword [esi + 0x10]
mov edx, eax
shl edx, 3
lea edx, [edx + edx*4]
add edx, dword [esi]
mov eax, edx
mov dword [eax], 0x16
lea ecx, [eax + 0xc]
mov dword [eax + 0x14], ecx
lea edx, [eax + 0x1c]
mov dword [eax + 0x24], edx
mov ecx, 3
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
xor edx, edx
jmp 0x4089c7
mov eax, edx
shl eax, 3
lea eax, [eax + eax*4]
add eax, dword [esi]
cmp dword [eax + 0x14], 0
jne 0x4089ba
lea ecx, [eax + 0xc]
mov dword [eax + 0x14], ecx
cmp dword [eax + 0x24], 0
jne 0x4089c6
lea ecx, [eax + 0x1c]
mov dword [eax + 0x24], ecx
inc edx
cmp edx, dword [esi + 0x10]
jl 0x4089a4
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4