Function at 0x408860
Capabilities:
Encode data using xor
Encrypt data using rc4 prga

Disassembly:
mov eax, dword [edi + 8]
sub esp, 0x1c
push ebx
push ebp
xor ebp, ebp
push esi
cmp eax, ebp
jne 0x4088c6
cmp dword [esp + 0x30], ebp
je 0x408898
mov eax, dword [edi + 0x10]
mov byte [edi + 4], 6
mov dword [edi + 8], 0x40
mov ecx, dword [eax]
push 0x100
call ecx
add esp, 4
mov dword [edi], eax
cmp eax, ebp
jne 0x4088a1
mov dword [edi + 8], ebp
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x1c
ret
push 0x100
push ebp
push eax
call fcn.0046fba0
mov edx, dword [esp + 0x38]
add esp, 0xc
call fcn.00408830
mov edx, dword [edi + 8]
mov esi, eax
dec edx
and esi, edx
jmp 0x408ad5
mov ecx, dword [esp + 0x2c]
mov al, byte [ecx]
mov dword [esp + 0x10], ebp
mov byte [esp + 0xf], al
test al, al
je 0x4088fb
jmp 0x4088e0
mov edx, dword [esp + 0x10]
imul edx, edx, 0xf4243
movzx eax, al
xor edx, eax
mov al, byte [ecx + 1]
inc ecx
mov dword [esp + 0x10], edx
test al, al
jne 0x4088e0
mov ebx, dword [edi + 8]
mov esi, dword [esp + 0x10]
mov eax, dword [edi]
dec ebx
and esi, ebx
xor dl, dl
mov dword [esp + 0x14], eax
cmp dword [eax + esi*4], ebp
je 0x40897d
mov ecx, dword [eax + esi*4]
mov eax, dword [ecx]
mov cl, byte [esp + 0xf]
cmp cl, byte [eax]
jne 0x408932
mov ebp, dword [esp + 0x2c]
sub ebp, eax
test cl, cl
je 0x40896f
mov cl, byte [eax + ebp + 1]
inc eax
cmp cl, byte [eax]
je 0x408925
test dl, dl
jne 0x40894f
movzx ecx, byte [edi + 4]
mov edx, ebx
not edx
and edx, dword [esp + 0x10]
dec ecx
shr edx, cl
mov eax, ebx
shr eax, 2
and dl, al
or dl, 1
movzx eax, dl
cmp esi, eax
jae 0x40895f
mov ecx, dword [edi + 8]
sub ecx, eax
add esi, ecx
jmp 0x408961
sub esi, eax
mov eax, dword [edi]
cmp dword [eax + esi*4], 0
je 0x40897d
mov eax, dword [esp + 0x14]
jmp 0x408912
mov ecx, dword [esp + 0x14]
mov eax, dword [ecx + esi*4]
pop esi
pop ebp
pop ebx
add esp, 0x1c
ret
cmp dword [esp + 0x30], 0
je 0x408898
mov al, byte [edi + 4]
mov edx, dword [edi + 0xc]
movzx ecx, al
dec ecx
shr edx, cl
test edx, edx
je 0x408ad5
inc al
movzx ecx, al
mov esi, 1
shl esi, cl
mov byte [esp + 0xf], al
mov dword [esp + 0x1c], ecx
mov ecx, dword [edi + 0x10]
mov edx, dword [ecx]
lea eax, [esi*4]
push eax
mov dword [esp + 0x18], esi
lea ebp, [esi - 1]
call edx
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x408898
lea eax, [esi*4]
push eax
push 0
push ebx
call fcn.0046fba0
xor ecx, ecx
add esp, 0xc
mov dword [esp + 0x18], ecx
cmp dword [edi + 8], ecx
jbe 0x408a71
mov eax, dword [edi]
cmp dword [eax + ecx*4], 0
lea eax, [eax + ecx*4]
je 0x408a67
mov eax, dword [eax]
mov edx, dword [eax]
mov dword [esp + 0x24], eax
call fcn.00408830
mov esi, eax
and esi, ebp
xor dl, dl
cmp dword [ebx + esi*4], 0
mov dword [esp + 0x20], eax
je 0x408a58
lea ecx, [ecx]
test dl, dl
jne 0x408a3b
mov ecx, dword [esp + 0x1c]
mov edx, ebp
not edx
dec ecx
and edx, eax
shr edx, cl
mov ecx, ebp
shr ecx, 2
and dl, cl
or dl, 1
movzx ecx, dl
cmp esi, ecx
jae 0x408a50
mov eax, dword [esp + 0x14]
sub eax, ecx
add esi, eax
mov eax, dword [esp + 0x20]
jmp 0x408a52
sub esi, ecx
cmp dword [ebx + esi*4], 0
jne 0x408a20
mov ecx, dword [esp + 0x24]
mov dword [ebx + esi*4], ecx
mov ecx, dword [esp + 0x18]
mov esi, dword [esp + 0x14]
inc ecx
mov dword [esp + 0x18], ecx
cmp ecx, dword [edi + 8]
jb 0x4089f5
mov edx, dword [edi + 0x10]
mov eax, dword [edi]
mov ecx, dword [edx + 8]
push eax
call ecx
mov dl, byte [esp + 0x13]
mov byte [edi + 4], dl
mov edx, dword [esp + 0x14]
mov dword [edi + 8], esi
mov esi, edx
and esi, ebp
add esp, 4
mov dword [edi], ebx
xor al, al
cmp dword [ebx + esi*4], 0
je 0x408ad5
jmp 0x408aa0
test al, al
jne 0x408aba
mov ecx, dword [esp + 0x1c]
mov eax, ebp
not eax
dec ecx
and eax, edx
shr eax, cl
mov ecx, ebp
shr ecx, 2
and al, cl
or al, 1
movzx ecx, al
cmp esi, ecx
jae 0x408acb
mov ebx, dword [esp + 0x14]
sub ebx, ecx
add esi, ebx
jmp 0x408acd
sub esi, ecx
mov ecx, dword [edi]
cmp dword [ecx + esi*4], 0
jne 0x408aa0
mov edx, dword [edi + 0x10]
mov ebx, dword [esp + 0x30]
mov eax, dword [edx]
push ebx
call eax
mov ecx, dword [edi]
mov dword [ecx + esi*4], eax
mov edx, dword [edi]
lea eax, [edx + esi*4]
add esp, 4
cmp dword [eax], 0
je 0x408898
mov eax, dword [eax]
push ebx
push 0
push eax
call fcn.0046fba0
mov ecx, dword [edi]
mov edx, dword [ecx + esi*4]
mov eax, dword [esp + 0x38]
add esp, 0xc
mov dword [edx], eax
mov ecx, dword [edi]
inc dword [edi + 0xc]
mov eax, dword [ecx + esi*4]
pop esi
pop ebp
pop ebx
add esp, 0x1c
ret