Function at 0x86f530
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
mov edx, dword [esp + 8]
sub esp, 0x24
mov eax, edx
push ebx
push esi
sub eax, 0x80
mov esi, 6
je 0x86f56a
sub eax, 0x40
je 0x86f564
sub eax, 0x40
je 0x86f55a
pop esi
or eax, 0xffffffff
pop ebx
add esp, 0x24
ret
mov dword [esp + 0x34], 8
jmp 0x86f572
mov dword [esp + 0x34], esi
jmp 0x86f572
mov dword [esp + 0x34], 4
mov ecx, dword [esp + 0x38]
mov eax, ecx
sub eax, 0x80
je 0x86f5a4
sub eax, 0x40
je 0x86f59e
sub eax, 0x40
je 0x86f594
pop esi
mov eax, 0xfffffffe
pop ebx
add esp, 0x24
ret
mov dword [esp + 0x38], 8
jmp 0x86f5ac
mov dword [esp + 0x38], esi
jmp 0x86f5ac
mov dword [esp + 0x38], 4
cmp edx, ecx
mov eax, edx
jge 0x86f5b4
mov eax, ecx
sub eax, 0x80
je 0x86f5de
sub eax, 0x40
je 0x86f5d7
sub eax, 0x40
je 0x86f5d0
pop esi
mov eax, 0xfffffffd
pop ebx
add esp, 0x24
ret
mov ebx, 0xe
jmp 0x86f5e3
mov ebx, 0xc
jmp 0x86f5e3
mov ebx, 0xa
mov eax, dword [esp + 0x34]
push ebp
push edi
xor edi, edi
test eax, eax
jle 0x86f618
mov ebp, dword [esp + 0x38]
mov ecx, ebp
lea edx, [esp + 0x14]
lea eax, [esp + edi + 0x14]
sub ecx, edx
mov esi, 4
mov dl, byte [ecx + eax]
mov byte [eax], dl
add eax, 8
dec esi
jne 0x86f604
mov eax, dword [esp + 0x3c]
inc edi
cmp edi, eax
jl 0x86f5f3
mov eax, dword [esp + 0x3c]
xor ebp, ebp
test eax, eax
jle 0x86f668
lea edi, [ebx + 1]
imul edi, dword [esp + 0x40]
cmp ebp, edi
jge 0x86f668
mov eax, ebp
lea ecx, [esp + ebp + 0x14]
cdq
idiv dword [esp + 0x40]
mov esi, eax
mov eax, ebp
cdq
idiv dword [esp + 0x40]
mov eax, dword [esp + 0x44]
shl esi, 5
add eax, esi
mov esi, 4
add edx, eax
mov al, byte [ecx]
add ecx, 8
mov byte [edx], al
add edx, 8
dec esi
jne 0x86f652
mov eax, dword [esp + 0x3c]
inc ebp
cmp ebp, eax
jl 0x86f62a
lea edx, [ebx + 1]
imul edx, dword [esp + 0x40]
cmp ebp, edx
mov dword [esp + 0x38], edx
jge 0x86f7a7
mov dword [esp + 0x10], 0x868ef8
mov esi, dword [esp + 0x3c]
xor eax, eax
lea ecx, [esp + 0x14]
inc eax
mov edi, eax
and edi, 0x80000003
jns 0x86f69e
dec edi
or edi, 0xfffffffc
inc edi
lea edi, [esi + edi*8]
xor ebx, ebx
add ecx, 8
mov bl, byte [esp + edi + 0x13]
mov bl, byte [ebx + 0x868cf8]
xor byte [ecx - 8], bl
cmp eax, 4
jl 0x86f68e
mov eax, dword [esp + 0x10]
mov bl, byte [esp + 0x14]
mov cl, byte [eax]
add eax, 4
xor bl, cl
cmp esi, 8
mov byte [esp + 0x14], bl
mov dword [esp + 0x10], eax
mov esi, 1
je 0x86f700
mov ebx, dword [esp + 0x3c]
cmp ebx, esi
jle 0x86f75a
lea eax, [esp + esi + 0x14]
mov ecx, 4
mov dl, byte [eax - 1]
xor byte [eax], dl
add eax, 8
dec ecx
jne 0x86f6ea
inc esi
cmp esi, ebx
jl 0x86f6e1
mov edx, dword [esp + 0x38]
jmp 0x86f75a
lea eax, [esp + esi + 0x14]
mov ecx, 4
mov bl, byte [eax - 1]
xor byte [eax], bl
add eax, 8
dec ecx
jne 0x86f709
inc esi
cmp esi, 4
jl 0x86f700
lea eax, [esp + 0x18]
mov ecx, 4
xor ebx, ebx
mov bl, byte [eax - 1]
add eax, 8
mov bl, byte [ebx + 0x868cf8]
xor byte [eax - 8], bl
dec ecx
jne 0x86f723
mov esi, 5
lea eax, [esp + esi + 0x14]
mov ecx, 4
mov bl, byte [eax - 1]
xor byte [eax], bl
add eax, 8
dec ecx
jne 0x86f745
inc esi
cmp esi, 8
jl 0x86f73c
mov ebx, dword [esp + 0x3c]
xor edi, edi
test ebx, ebx
jle 0x86f79f
cmp ebp, edx
jge 0x86f7a7
mov eax, ebp
lea ecx, [esp + edi + 0x14]
cdq
idiv dword [esp + 0x40]
mov esi, eax
mov eax, ebp
cdq
idiv dword [esp + 0x40]
mov eax, dword [esp + 0x44]
shl esi, 5
add eax, esi
mov esi, 4
add edx, eax
mov al, byte [ecx]
add ecx, 8
mov byte [edx], al
add edx, 8
dec esi
jne 0x86f788
mov edx, dword [esp + 0x38]
inc edi
inc ebp
cmp edi, ebx
jl 0x86f760
cmp ebp, edx
jl 0x86f684
pop edi
pop ebp
pop esi
xor eax, eax
pop ebx
add esp, 0x24
ret