Function at 0x86f500
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x10
mov dword [esp + 8], ecx
nop
mov eax, dword [esp + 0x24]
cmp eax, 0x10000000
ja 0x86f694
nop
test byte [0xa8c5ac], 1
jne 0x86f694
dec eax
or eax, 1
bsr ecx, eax
xor ecx, 0x1f
neg cl
mov esi, 1
shl esi, cl
mov edi, dword [esp + 8]
lea eax, [edi + 0xc]
mov ebx, dword [edi + 4]
mov edx, 2
shl edx, cl
mov ecx, eax
push ebx
push edx
call fcn.0086c6c0
lea eax, [esi - 1]
mov dword [edi + 0x18], eax
mov dword [edi + 0x1c], esi
mov eax, dword [edi + 4]
mov esi, dword [eax]
cmp esi, ebx
je 0x86f68a
mov dword [esp + 0xc], ebx
jmp 0x86f596
nop
mov dword [edx + eax*4], ecx
mov dword [edx + ebp*4], ecx
mov esi, dword [esp]
mov ebx, dword [esp + 0xc]
cmp esi, ebx
je 0x86f68a
mov ecx, esi
mov eax, dword [esi]
mov dword [esp], eax
movzx edx, byte [esi + 8]
xor edx, 0x811c9dc5
imul edx, edx, 0x1000193
movzx esi, byte [esi + 9]
xor esi, edx
imul edx, esi, 0x1000193
movzx esi, byte [ecx + 0xa]
xor esi, edx
imul edx, esi, 0x1000193
movzx esi, byte [ecx + 0xb]
xor esi, edx
imul esi, esi, 0x1000193
mov edx, dword [esp + 8]
and esi, dword [edx + 0x18]
mov edx, dword [edx + 0xc]
lea eax, [esi + esi]
lea ebp, [esi*2 + 1]
mov edi, dword [edx + esi*8]
cmp edi, ebx
je 0x86f580
nop
mov dword [esp + 4], eax
mov esi, dword [edx + ebp*4]
mov ebx, dword [ecx + 8]
cmp ebx, dword [esi + 8]
jne 0x86f630
mov esi, dword [esi]
cmp esi, ecx
je 0x86f625
mov edi, dword [ecx + 4]
mov dword [esp + 4], edi
mov eax, dword [esp]
mov dword [edi], eax
mov ebx, dword [eax + 4]
mov dword [ebx], esi
mov edi, dword [esi + 4]
mov dword [edi], ecx
mov dword [esi + 4], ebx
mov esi, dword [esp + 4]
mov dword [eax + 4], esi
mov dword [ecx + 4], edi
nop
mov dword [edx + ebp*4], ecx
jmp 0x86f587
cmp edi, esi
je 0x86f660
mov esi, dword [esi + 4]
cmp ebx, dword [esi + 8]
jne 0x86f630
mov edx, dword [esi]
mov esi, dword [ecx + 4]
mov eax, dword [esp]
mov dword [esi], eax
mov edi, dword [eax + 4]
mov dword [edi], edx
mov ebx, dword [edx + 4]
mov dword [ebx], ecx
mov dword [edx + 4], edi
mov dword [eax + 4], esi
mov esi, eax
mov dword [ecx + 4], ebx
jmp 0x86f58a
mov edi, dword [ecx + 4]
mov eax, dword [esp]
mov dword [edi], eax
mov ebx, dword [eax + 4]
mov dword [ebx], esi
mov ebp, dword [esi + 4]
mov dword [ebp], ecx
mov dword [esi + 4], ebx
mov esi, eax
mov dword [eax + 4], edi
mov dword [ecx + 4], ebp
mov eax, dword [esp + 4]
mov dword [edx + eax*4], ecx
jmp 0x86f58a
add esp, 0x10
pop esi
pop edi
pop ebx
pop ebp
ret 4
nop
movzx eax, byte [0xa6b4ba]
cmp al, 0x35
je 0x86f73a
mov cl, 0xb7
nop word cs:[eax + eax]
mov al, 0xc3
lock cmpxchg byte [0xa6b4ba], cl
je 0x86f6c2
cmp al, 0x35
jne 0x86f6b0
jmp 0x86f73a
xor ebx, ebx
mov ecx, 0xf132011c
mov esi, 0xf132011a
mov ebp, 0x4ec4ec4f
nop word cs:[eax + eax]
mov eax, ecx
mul ebp
mov edi, edx
mov eax, esi
mul ebp
shr edi, 3
shr edx, 3
imul eax, edx, 0xffffffe6
movzx edx, byte [ebx + 0xa6b4a0]
xor dl, byte [eax + ebx - 0xe2f5e05]
imul eax, edi, 0xffffffe6
xor dl, 0x69
mov byte [ebx + 0xa6b4a0], dl
movzx edx, byte [ebx + 0xa6b4a1]
xor dl, byte [eax + ebx - 0xe2f5e04]
xor dl, 0x69
mov byte [ebx + 0xa6b4a1], dl
add ebx, 2
add ecx, 2
add esi, 2
cmp ebx, 0x1a
jne 0x86f6e0
mov al, 0x35
xchg byte [0xa6b4ba], al
nop
push 0xa6b4a0
call fcn.0091f42a
int3