Function at 0x450807
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
mov esi, dword [esp + 0x18]
mov edx, dword [ebx + 0xe8]
push edi
test edx, edx
je 0x450828
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x45082a
mov eax, esi
mov ebp, dword [ebx + 0xcc]
mov edi, ebp
mov ecx, dword [ebx + 0xd4]
imul edi, eax
mov eax, ecx
imul eax, dword [esp + 0x18]
add edi, eax
add edi, dword [ebx + 0xc8]
test edx, edx
je 0x450850
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x450c14
cmp dword [ebx + 0xe4], 0
jne 0x450c14
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x4508a4
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x450c38
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, ebp
dec ecx
jne 0x450880
jmp 0x450c38
test eax, 0x100
je 0x4508e4
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x450c38
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
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x4508b7
jmp 0x450c38
test al, 8
je 0x450910
cmp ecx, 4
jne 0x450c38
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x450c38
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x4508fd
jmp 0x450c38
test al, 0x10
je 0x450abf
cmp ecx, 4
jne 0x450a61
mov eax, dword [esp + 0x20]
jmp 0x450a50
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x450942
movzx eax, byte [edi + 2]
jmp 0x450983
test edx, edx
jne 0x450951
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x45097f
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x450996
movzx eax, byte [edi + 1]
jmp 0x4509d3
test edx, edx
jne 0x4509a5
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x4509d3
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
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 0x4509e5
movzx eax, byte [edi]
jmp 0x450a25
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x4509f8
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x450a25
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
imul ecx, dword [ebx + 0xfc], 0xff
mov eax, dword [ebx + 0x100]
imul eax, dword [esp + 0x18]
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x45092a
jmp 0x450c38
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x450c38
mov esi, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv esi
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv esi
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv esi
mov byte [edi], al
add edi, ebp
dec ecx
jne 0x450a72
jmp 0x450c38
test al, 0x20
je 0x450beb
cmp ecx, 4
jne 0x450beb
mov eax, dword [esp + 0x20]
jmp 0x450bdd
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x450af1
movzx eax, byte [edi + 2]
jmp 0x450b32
test edx, edx
jne 0x450b00
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x450b2e
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x450b45
movzx eax, byte [edi + 1]
jmp 0x450b82
test edx, edx
jne 0x450b54
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x450b82
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
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 0x450b94
movzx eax, byte [edi]
jmp 0x450bd4
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x450ba7
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x450bd4
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x450ad9
jmp 0x450c38
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x450c38
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, ebp
dec ecx
jne 0x450bf3
jmp 0x450c38
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x450c38
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.00450339
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x450c20
pop edi
pop esi
pop ebp
pop ebx
ret