Function at 0x43f034
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
xor edx, edx
push ebp
push esi
mov esi, dword [esp + 0x18]
push edi
cmp dword [ebx + 0xe8], edx
je 0x43f055
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x43f057
mov eax, esi
mov edi, dword [ebx + 0xcc]
mov ecx, dword [ebx + 0xd4]
mov ebp, dword [esp + 0x18]
imul edi, eax
mov eax, ecx
imul eax, ebp
add edi, eax
add edi, dword [ebx + 0xc8]
cmp dword [ebx + 0xe0], edx
jne 0x43f48d
cmp dword [ebx + 0xe4], edx
jne 0x43f48d
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x43f0cd
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x43f4b2
mov al, byte [ebx + 0xf0]
xor byte [edi + 2], al
mov al, byte [ebx + 0xf4]
xor byte [edi + 1], al
mov al, byte [ebx + 0xf8]
xor byte [edi], al
add edi, dword [ebx + 0xd4]
dec ecx
jne 0x43f0a5
jmp 0x43f4b2
test eax, 0x100
je 0x43f10e
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x43f4b2
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
lea edi, [edi + 4]
mov al, byte [ebx + 0xfc]
mov byte [edi - 1], al
dec ecx
jne 0x43f0e0
jmp 0x43f4b2
test al, 8
je 0x43f13d
cmp ecx, 4
jne 0x43f4b2
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x43f4b2
add edi, 3
mov al, byte [ebx + 0xfc]
mov byte [edi], al
lea edi, [edi + 4]
dec ecx
jne 0x43f12a
jmp 0x43f4b2
test al, 0x10
je 0x43f2e0
cmp ecx, 4
jne 0x43f281
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x43f4b2
mov ecx, dword [ebx + 0xfc]
movzx ebp, byte [edi + 3]
test ecx, ecx
jne 0x43f172
movzx eax, byte [edi + 2]
jmp 0x43f1af
test ebp, ebp
jne 0x43f181
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x43f1af
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x43f1c2
movzx eax, byte [edi + 1]
jmp 0x43f1ff
test ebp, ebp
jne 0x43f1d1
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x43f1ff
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x43f211
movzx eax, byte [edi]
jmp 0x43f24d
test ebp, ebp
jne 0x43f220
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x43f24d
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
mov eax, dword [ebx + 0x100]
imul ecx, dword [ebx + 0xfc], 0xff
imul eax, ebp
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
add edi, 4
dec dword [esp + 0x14]
jne 0x43f15e
jmp 0x43f4b2
mov esi, dword [esp + 0x20]
test esi, esi
je 0x43f4b2
mov ecx, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv ecx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv ecx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv ecx
mov byte [edi], al
lea edi, [edi + 3]
dec esi
jne 0x43f292
jmp 0x43f4b2
test al, 0x20
je 0x43f460
cmp ecx, 4
jne 0x43f404
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x43f4b2
mov ecx, dword [ebx + 0xfc]
movzx ebp, byte [edi + 3]
test ecx, ecx
jne 0x43f315
movzx eax, byte [edi + 2]
jmp 0x43f352
test ebp, ebp
jne 0x43f324
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x43f352
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x43f365
movzx eax, byte [edi + 1]
jmp 0x43f3a2
test ebp, ebp
jne 0x43f374
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x43f3a2
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x43f3b4
movzx eax, byte [edi]
jmp 0x43f3f0
test ebp, ebp
jne 0x43f3c3
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x43f3f0
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, ebp
imul eax, ebp
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
add edi, 4
dec dword [esp + 0x14]
jne 0x43f301
jmp 0x43f4b2
mov esi, dword [esp + 0x20]
test esi, esi
je 0x43f4b2
mov ecx, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv ecx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv ecx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv ecx
mov byte [edi], al
lea edi, [edi + 3]
dec esi
jne 0x43f415
jmp 0x43f4b2
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x43f4b2
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
add edi, dword [ebx + 0xd4]
dec ecx
jne 0x43f468
jmp 0x43f4b2
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x43f4b2
push edi
push esi
push ebp
push ebx
call fcn.0043f503
add edi, dword [ebx + 0xd4]
add esp, 0x10
inc ebp
dec dword [esp + 0x14]
jne 0x43f499
pop edi
pop esi
pop ebp
pop ebx
ret