Function at 0x4918d4
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffe1c
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x1e4], ebx
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x30], ebx
mov dword [ebp - 0x24], ecx
mov ebx, edx
mov esi, eax
xor eax, eax
push ebp
push 0x491b58
push dword fs:[eax]
mov dword fs:[eax], esp
mov byte [ebp - 0x25], 1
lea edx, [ebp - 0x30]
mov eax, esi
call fcn.00491840
mov edx, dword [ebp - 0x30]
mov eax, 0x491b74
call fcn.0040410c
mov ecx, eax
lea eax, [ebp - 0x30]
mov edx, 1
call fcn.00404068
lea eax, [ebp - 0x1e4]
push eax
mov edx, dword [ebp - 0x30]
mov eax, 0x491b74
call fcn.0040410c
mov ecx, eax
dec ecx
mov edx, 1
mov eax, dword [ebp - 0x30]
call fcn.00404028
mov eax, dword [ebp - 0x1e4]
call fcn.00408f1c
mov edi, eax
mov edx, dword [ebp - 0x30]
mov eax, 0x491b74
call fcn.0040410c
mov ecx, eax
lea eax, [ebp - 0x30]
mov edx, 1
call fcn.00404068
lea eax, [ebp - 0x2c]
mov edx, dword [ebp - 0x30]
call fcn.00403c40
lea edx, [ebp - 0x1e4]
mov eax, dword [ebp - 0x2c]
call fcn.004088d0
lea eax, [ebp - 0x1e4]
mov edx, ebx
call fcn.00403e2c
mov edx, dword [ebp - 0x1e4]
lea eax, [ebp - 0x1e0]
call fcn.00409880
mov edx, esi
mov eax, 0x491b80
call fcn.0040410c
test eax, eax
jle 0x491a72
lea eax, [ebp - 0x88]
call fcn.00490418
lea eax, [ebp - 0x1e0]
call fcn.00409790
mov ecx, eax
lea edx, [ebp - 0x1e0]
lea eax, [ebp - 0x88]
call fcn.00490df0
lea edx, [ebp - 0x88]
lea eax, [ebp - 0x10]
call fcn.00490530
mov eax, dword [ebp - 8]
xor dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
xor dword [ebp - 0xc], eax
xor eax, eax
mov dword [ebp - 8], eax
xor eax, eax
mov dword [ebp - 4], eax
mov ebx, edi
cmp ebx, 1
jl 0x491a56
lea eax, [ebp - 0x88]
call fcn.00490418
lea edx, [ebp - 0x10]
lea eax, [ebp - 0x88]
mov ecx, 8
call fcn.00490df0
lea edx, [ebp - 0x88]
lea eax, [ebp - 0x10]
call fcn.00490530
mov eax, dword [ebp - 8]
xor dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
xor dword [ebp - 0xc], eax
dec ebx
test ebx, ebx
jne 0x491a19
lea edx, [ebp - 0x1e4]
lea eax, [ebp - 0x10]
call fcn.00491608
mov edx, dword [ebp - 0x1e4]
mov eax, dword [ebp - 0x24]
call fcn.00403bfc
mov edx, esi
mov eax, 0x491b90
call fcn.0040410c
test eax, eax
jle 0x491b32
lea eax, [ebp - 0xe0]
call fcn.00490fa4
lea eax, [ebp - 0x1e0]
call fcn.00409790
mov ecx, eax
lea edx, [ebp - 0x1e0]
lea eax, [ebp - 0xe0]
call fcn.00490fe0
lea edx, [ebp - 0xe0]
lea eax, [ebp - 0x20]
call fcn.00491074
mov eax, dword [ebp - 0x18]
xor dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x14]
xor dword [ebp - 0x1c], eax
xor eax, eax
mov dword [ebp - 0x18], eax
xor eax, eax
mov dword [ebp - 0x14], eax
mov ebx, edi
cmp ebx, 1
jl 0x491b16
lea eax, [ebp - 0xe0]
call fcn.00490fa4
lea edx, [ebp - 0x20]
lea eax, [ebp - 0xe0]
mov cx, 8
call fcn.00490fe0
lea edx, [ebp - 0xe0]
lea eax, [ebp - 0x20]
call fcn.00491074
mov eax, dword [ebp - 0x18]
xor dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x14]
xor dword [ebp - 0x1c], eax
dec ebx
test ebx, ebx
jne 0x491ada
lea edx, [ebp - 0x1e4]
lea eax, [ebp - 0x20]
call fcn.00491608
mov edx, dword [ebp - 0x1e4]
mov eax, dword [ebp - 0x24]
call fcn.00403bfc
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x491b5f
lea eax, [ebp - 0x1e4]
call fcn.00403ba8
lea eax, [ebp - 0x30]
mov edx, 2
call fcn.00403bcc
ret