Function at 0x437690
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5036a5
mov eax, dword fs:[0]
push eax
sub esp, 0x34
push ebx
push esi
push edi
mov eax, dword [0x5582e0]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
push edi
mov dword [ebp - 4], 0
mov dword [ebp - 0x14], edi
call sub.MSVCP140.dll__Mtx_lock
add esp, 4
test eax, eax
jne 0x4378be
mov ecx, dword [edi + 0xd0]
lea edx, [ebp - 0x10]
push edx
mov byte [ebp - 4], 1
mov eax, dword [ecx]
call dword [eax + 8]
push ecx
mov ecx, dword [eax]
mov edx, esp
mov dword [eax], 0
mov byte [ebp - 4], 2
mov dword [edx], ecx
mov ecx, dword [ebp + 8]
call fcn.004384a0
mov ecx, dword [ebp - 0x10]
mov byte [ebp - 4], 1
test ecx, ecx
je 0x437712
mov eax, dword [ecx]
push 1
call dword [eax]
mov ecx, dword [edi + 0x104]
test ecx, ecx
je 0x437763
lea eax, [ebp - 0x40]
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], eax
mov eax, dword [ecx]
lea edx, [ebp - 0x40]
push edx
mov byte [ebp - 4], 3
call dword [eax]
mov ecx, dword [ebp + 8]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x40]
push eax
mov byte [ebp - 4], 1
lea ecx, [ecx + 0x38]
call fcn.0042e630
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
je 0x437763
mov edx, dword [ecx]
lea eax, [ebp - 0x40]
cmp ecx, eax
setne al
movzx eax, al
push eax
call dword [edx + 0x10]
mov ebx, dword [ebp + 8]
cmp dword [ebx + 0x1c], 0x10
lea esi, [ebx + 8]
jb 0x437772
mov esi, dword [ebx + 8]
xor ecx, ecx
mov edx, 0x811c9dc5
cmp dword [ebx + 0x18], ecx
jbe 0x437792
nop
movzx eax, byte [ecx + esi]
inc ecx
xor eax, edx
imul edx, eax, 0x1000193
cmp ecx, dword [ebx + 0x18]
jb 0x437780
mov ecx, dword [edi + 0xc8]
mov eax, dword [edi + 0xbc]
and ecx, edx
mov edx, dword [edi + 0xb4]
mov esi, dword [eax + ecx*8 + 4]
cmp esi, edx
jne 0x4377b2
xor esi, esi
jmp 0x4377fe
mov eax, dword [eax + ecx*8]
mov dword [ebp - 0x10], eax
nop dword [eax + eax]
cmp dword [esi + 0x1c], 0x10
lea edx, [esi + 8]
jb 0x4377cc
mov edx, dword [esi + 8]
cmp dword [ebx + 0x1c], 0x10
lea ecx, [ebx + 8]
jb 0x4377d8
mov ecx, dword [ebx + 8]
push dword [esi + 0x18]
push edx
push dword [ebx + 0x18]
push ecx
call fcn.00421570
add esp, 0x10
test al, al
jne 0x4377f8
cmp esi, dword [ebp - 0x10]
je 0x4377f6
mov esi, dword [esi + 4]
jmp 0x4377c0
xor esi, esi
mov edx, dword [edi + 0xb4]
test esi, esi
cmove esi, edx
cmp esi, edx
je 0x43780c
mov ecx, dword [esi + 0x20]
jmp 0x437812
mov ecx, dword [edi + 0xd4]
mov eax, dword [ebp + 8]
add eax, 0x2c
xchg dword [eax], ecx
mov eax, dword [ebp + 8]
mov ecx, dword [edi + 0xd8]
add eax, 0x30
xchg dword [eax], ecx
mov eax, dword [edi + 0x120]
test eax, eax
je 0x43783e
mov ecx, dword [ebp + 8]
push eax
lea ecx, [ecx + 0x60]
call fcn.00432060
cmp byte [edi + 0x11c], 0
je 0x437879
sub esp, 8
mov ecx, esp
mov dword [ecx], 0
mov dword [ecx + 4], 0
mov eax, dword [ebp + 8]
mov dword [ecx], eax
mov eax, dword [ebp + 0xc]
mov dword [ecx + 4], eax
mov ecx, edi
mov dword [ebp + 8], 0
mov dword [ebp + 0xc], 0
call fcn.004380d0
push edi
call sub.MSVCP140.dll__Mtx_unlock
mov esi, dword [ebp + 0xc]
add esp, 4
test esi, esi
je 0x4378aa
or edi, 0xffffffff
mov eax, edi
lock xadd dword [esi + 4], eax
jne 0x4378aa
mov eax, dword [esi]
mov ecx, esi
call dword [eax]
lock xadd dword [esi + 8], edi
dec edi
jne 0x4378aa
mov eax, dword [esi]
mov ecx, esi
call dword [eax + 4]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
push eax
call sub.MSVCP140.dll_void___cdecl_std::_Throw_C_error_int_
int3