Function at 0x40a394
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
push ebx
push esi
mov esi, eax
push edi
xor eax, eax
mov dword [ebp - 4], ecx
mov dword [esi + 4], eax
mov dword [esi], eax
cmp dword [ebp - 4], 0x8000
mov ebx, edx
jge 0x40a3b9
mov ecx, dword [ebp - 4]
jmp 0x40a3be
mov ecx, 0x8000
mov edx, ebx
mov eax, dword [esi + 8]
call fcn.0040da0c
mov byte [ebp - 5], 0
mov eax, 1
cmp eax, dword [ebp - 4]
jge 0x40a3e2
mov dl, byte [ebx + eax]
xor byte [ebp - 5], dl
inc eax
cmp eax, dword [ebp - 4]
jl 0x40a3d6
mov edx, 8
mov eax, esi
call fcn.0040d074
mov ecx, dword [ebp + 8]
xor eax, eax
mov dword [ecx + 0x10], eax
mov dl, byte [ebx]
cmp dl, byte [ebp - 5]
jne 0x40a5e9
mov ecx, dword [ebp - 4]
mov edx, ebx
mov eax, esi
call fcn.0040a8b0
mov ebx, eax
test ebx, ebx
je 0x40a452
mov edx, 1
mov eax, dword [ebp + 8]
call fcn.0040a62c
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x10]
inc dword [ecx + 0x10]
shl eax, 3
mov edx, dword [ebp + 8]
mov ecx, dword [edx]
lea eax, [eax + eax*4]
add ecx, eax
mov eax, ecx
mov dword [eax], 0x28
mov dword [eax + 0xc], ebx
lea edx, [eax + 0xc]
lea ecx, [eax + 0x1c]
mov dword [eax + 0x14], edx
mov dword [eax + 0x24], ecx
xor eax, eax
mov dword [ebp - 4], eax
mov eax, esi
call fcn.0040d088
mov ebx, eax
mov edx, 1
mov eax, esi
call fcn.0040d074
test bh, 0x80
je 0x40a5de
mov eax, esi
call fcn.0040a790
mov edi, eax
inc edi
xor ebx, ebx
jmp 0x40a4ae
mov eax, dword [ebp + 8]
mov edx, 1
add eax, 0x20
call fcn.004063f4
mov eax, esi
call fcn.0040d088
shr eax, 8
mov edx, dword [ebp + 8]
mov ecx, dword [edx + 0x20]
mov byte [ecx + ebx], al
mov edx, 8
mov eax, esi
call fcn.0040d074
inc ebx
mov ecx, dword [esi]
cmp ecx, dword [ebp - 4]
jge 0x40a5de
cmp edi, ebx
jg 0x40a47e
jmp 0x40a5de
mov edx, 1
mov eax, dword [ebp + 8]
call fcn.0040a62c
mov eax, dword [ebp + 8]
mov ecx, dword [ebp + 8]
mov edx, dword [eax + 0x10]
mov ebx, dword [ecx]
shl edx, 3
mov eax, esi
lea edx, [edx + edx*4]
add ebx, edx
call fcn.0040d088
test ah, 0x80
jne 0x40a501
shr eax, 0xc
mov dword [ebx], eax
mov edx, 4
mov eax, esi
call fcn.0040d074
jmp 0x40a515
shr eax, 0xa
sub eax, 0x18
mov dword [ebx], eax
mov edx, 6
mov eax, esi
call fcn.0040d074
mov edx, dword [ebx]
test byte [edx + 0x41262c], 4
je 0x40a541
mov eax, esi
call fcn.0040d088
shr eax, 0xf
setne dl
and edx, 1
mov byte [ebx + 4], dl
mov edx, 1
mov eax, esi
call fcn.0040d074
jmp 0x40a545
mov byte [ebx + 4], 0
mov ecx, 3
lea edx, [ebx + 0x1c]
mov dword [ebx + 0x18], ecx
mov dword [ebx + 8], ecx
mov eax, dword [ebx]
movzx edi, byte [eax + 0x41262c]
lea eax, [ebx + 0xc]
and edi, 3
mov dword [ebx + 0x14], eax
mov dword [ebx + 0x24], edx
test edi, edi
jle 0x40a5d8
lea edx, [ebx + 8]
mov cl, byte [ebx + 4]
mov eax, esi
call fcn.0040a684
cmp edi, 2
jne 0x40a58d
lea edx, [ebx + 0x18]
mov cl, byte [ebx + 4]
mov eax, esi
call fcn.0040a684
jmp 0x40a5d8
cmp dword [ebx + 8], 1
jne 0x40a5d8
mov eax, dword [ebx]
test byte [eax + 0x41262c], 0x18
je 0x40a5d8
mov eax, dword [ebx + 0xc]
cmp eax, 0x100
jl 0x40a5af
sub eax, 0x100
jmp 0x40a5d5
cmp eax, 0x88
jl 0x40a5bd
sub eax, 0x108
jmp 0x40a5cf
cmp eax, 0x10
jl 0x40a5c7
sub eax, 8
jmp 0x40a5cf
cmp eax, 8
jl 0x40a5cf
sub eax, 0x10
mov edx, dword [ebp + 8]
add eax, dword [edx + 0x10]
mov dword [ebx + 0xc], eax
mov ecx, dword [ebp + 8]
inc dword [ecx + 0x10]
mov eax, dword [esi]
cmp eax, dword [ebp - 4]
jl 0x40a4c2
mov edx, 1
mov eax, dword [ebp + 8]
call fcn.0040a62c
mov edx, dword [ebp + 8]
mov eax, dword [edx + 0x10]
inc dword [edx + 0x10]
shl eax, 3
mov edx, dword [ebp + 8]
mov ecx, dword [edx]
lea eax, [eax + eax*4]
add ecx, eax
mov eax, ecx
mov dword [eax], 0x16
lea edx, [eax + 0xc]
mov dword [eax + 0x14], edx
lea ecx, [eax + 0x1c]
mov dword [eax + 0x24], ecx
pop edi
pop esi
pop ebx
pop ecx
pop ecx
pop ebp
ret 4