Function at 0x43a9a0
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x27c
mov ebx, dword [0x45122c]
mov ebp, dword [0x451228]
mov eax, ebp
or eax, ebx
jne 0x43aa2f
mov dword [esp + 0x4c], 0x61ea67f2
mov dword [esp + 0x50], 0x5df663fc
mov dword [esp + 0x54], 0x59885fc8
mov dword [esp + 0x58], 0x55ce5bc4
mov dword [esp + 0x5c], 0x515657c0
mov eax, 0x19
mov ecx, 0xe6
nop
nop
movzx esi, byte [esp + eax + 0x33]
mov edx, ecx
xor edx, eax
and edx, esi
xor edx, eax
add dl, 0x83
mov byte [esp + eax + 0x33], dl
inc eax
dec ecx
cmp eax, 0x2d
jne 0x43a9f0
lea eax, [esp + 0x4c]
push eax
call fcn.0043a5d0
add esp, 4
mov ebp, eax
mov dword [0x45122c], edx
mov dword [0x451228], eax
or eax, edx
je 0x43ab09
mov ebx, edx
lea eax, [esp + 0x14c]
push 0x40
push eax
push ebx
push ebp
call fcn.0043a3d0
add esp, 0x10
test eax, eax
js 0x43ab09
mov eax, dword [esp + 0x188]
mov ecx, eax
sar ecx, 0x1f
add eax, ebp
adc ecx, ebx
add eax, 0x18
adc ecx, 0
lea edx, [esp + 0x18c]
push 0xf0
push edx
push ecx
push eax
call fcn.0043a3d0
add esp, 0x10
xor edi, edi
test eax, eax
js 0x43ab0b
cmp dword [esp + 0x200], 0
je 0x43ab0b
mov eax, dword [esp + 0x1fc]
mov esi, 0
test eax, eax
je 0x43ab0d
add eax, ebp
mov ecx, ebx
adc ecx, 0
lea edx, [esp + 0x24]
push 0x28
push edx
push ecx
push eax
call fcn.0043a3d0
add esp, 0x10
test eax, eax
js 0x43ab09
mov ecx, dword [esp + 0x38]
lea esi, [ecx*4]
mov eax, 0xffffffff
cmp ecx, 0x40000000
jae 0x43aad2
mov eax, esi
push eax
call fcn.004082d0
add esp, 4
mov edx, dword [esp + 0x40]
add edx, ebp
mov ecx, ebx
adc ecx, 0
push esi
mov dword [esp + 0xc], eax
push eax
push ecx
push edx
call fcn.0043a3d0
add esp, 0x10
test eax, eax
js 0x43ab1c
mov eax, dword [esp + 0x38]
test eax, eax
jns 0x43ab25
mov eax, 0xffffffff
jmp 0x43ab27
xor edi, edi
xor esi, esi
mov eax, edi
mov edx, esi
add esp, 0x27c
pop esi
pop edi
pop ebx
pop ebp
ret
xor edi, edi
xor esi, esi
jmp 0x43ad26
add eax, eax
push eax
call fcn.004082d0
add esp, 4
mov esi, dword [esp + 0x3c]
add esi, esi
mov ecx, dword [esp + 0x48]
add ecx, ebp
mov edx, ebx
adc edx, 0
push esi
mov dword [esp + 8], eax
push eax
push edx
push ecx
call fcn.0043a3d0
add esp, 0x10
test eax, eax
js 0x43ad16
mov esi, dword [esp + 0x3c]
mov eax, 0xffffffff
cmp esi, 0x40000000
jae 0x43ab71
lea eax, [esi*4]
push eax
call fcn.004082d0
add esp, 4
mov edi, eax
mov eax, esi
or eax, 4
mov ecx, esi
and ecx, 4
imul eax, ecx
xor ecx, 4
and esi, 0xfffffffb
imul esi, ecx
add esi, eax
mov eax, dword [esp + 0x44]
add eax, ebp
mov ecx, ebx
adc ecx, 0
push esi
push edi
push ecx
push eax
call fcn.0043a3d0
add esp, 0x10
test eax, eax
mov dword [esp], edi
js 0x43ad05
mov esi, dword [esp + 0x38]
mov eax, dword [esp + 0x3c]
cmp esi, eax
jb 0x43abc4
mov esi, eax
test esi, esi
je 0x43ad05
xor ecx, ecx
mov dword [esp + 0x20], ebx
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x18], esi
jmp 0x43ac11
mov eax, 0x36c0b43e
cmp eax, dword [esp + 0x290]
mov ebx, dword [esp + 0x20]
mov ebp, dword [esp + 0x1c]
mov esi, dword [esp + 0x18]
je 0x43ad37
mov ecx, dword [esp + 0xc]
mov eax, ecx
xor eax, 1
and ecx, 1
lea ecx, [eax + ecx*2]
cmp ecx, esi
jae 0x43ad05
mov dword [esp + 0xc], ecx
mov eax, dword [edi + ecx*4]
add eax, ebp
mov ecx, ebx
adc ecx, 0
push 0x100
lea edx, [esp + 0x50]
push edx
push ecx
push eax
call fcn.0043a3d0
add esp, 0x10
test eax, eax
jns 0x43ac3e
cmp eax, 0x8000000d
jne 0x43abfa
mov ecx, 0xffffffff
xor eax, eax
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov ebx, eax
cmp byte [esp + ecx + 0x4d], 0
lea ecx, [ecx + 1]
lea eax, [eax + 1]
jne 0x43ac50
mov dword [esp + 0x10], 0x2060499
mov word [esp + 0x14], 0
xor eax, eax
mov edx, eax
add dl, 0x81
xor dl, byte [esp + eax + 0x10]
add dl, 0x7b
mov byte [esp + eax + 0x10], dl
mov edx, eax
and edx, 1
xor eax, 1
lea eax, [eax + edx*2]
cmp eax, 6
jb 0x43ac70
test ecx, ecx
je 0x43abdc
mov edx, dword [esp + 0x10]
mov ebp, 0x36c0b43e
lea esi, [esp + 0x4c]
cmp ecx, 4
jb 0x43acde
mov eax, ebx
and eax, 0xfffffffc
nop
movsx edi, byte [esi]
xor edi, ebp
imul edi, edx
movsx ebp, byte [esi + 1]
xor ebp, edi
imul ebp, edx
movsx edi, byte [esi + 2]
xor edi, ebp
imul edi, edx
movsx ebp, byte [esi + 3]
add esi, 4
xor ebp, edi
imul ebp, edx
add eax, 0xfffffffc
jne 0x43acb0
mov edi, dword [esp]
mov eax, ebp
test cl, 3
je 0x43abe1
and ebx, 3
xor ecx, ecx
nop
nop
movsx eax, byte [esi + ecx]
xor eax, ebp
imul eax, edx
inc ecx
mov ebp, eax
cmp ebx, ecx
jne 0x43acf0
jmp 0x43abe1
xor edi, edi
xor esi, esi
push dword [esp]
call fcn.004082e0
add esp, 4
jmp 0x43ad1a
xor edi, edi
xor esi, esi
push dword [esp + 4]
call fcn.004082e0
add esp, 4
push dword [esp + 8]
call fcn.004082e0
add esp, 4
jmp 0x43ab0d
mov eax, dword [esp + 4]
mov ecx, dword [esp + 0xc]
movzx eax, word [eax + ecx*2]
mov ecx, dword [esp + 8]
add ebp, dword [ecx + eax*4]
adc ebx, 0
mov edi, ebp
mov esi, ebx
jmp 0x43ad09