Function at 0x4397a0
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4e69d0
mov eax, dword fs:[0]
push eax
sub esp, 0x14
push ebx
push esi
push edi
mov eax, dword [0x519074]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov ebx, ecx
mov dword [ebp - 0x20], ebx
mov dword [ebp - 4], 0
mov edx, dword [ebp + 0xc]
mov dword [ebp - 0x14], edx
cmp dword [edx + 0x14], 0x10
mov edi, dword [edx + 0x10]
jb 0x4397eb
mov eax, dword [edx]
mov dword [ebp - 0x14], eax
xor ecx, ecx
mov esi, 0x811c9dc5
test edi, edi
je 0x439814
mov edx, dword [ebp - 0x14]
nop dword [eax]
movzx eax, byte [ecx + edx]
inc ecx
xor eax, esi
imul esi, eax, 0x1000193
cmp ecx, edi
jb 0x439800
mov edx, dword [ebp + 0xc]
mov ecx, dword [ebx + 0x18]
mov eax, dword [ebx + 0xc]
and ecx, esi
mov esi, dword [ebx + 4]
mov dword [ebp - 0x18], ecx
mov edi, dword [eax + ecx*8]
cmp esi, edi
je 0x4398b2
mov esi, dword [eax + ecx*8 + 4]
mov esi, dword [esi]
cmp esi, edi
je 0x4398b2
mov esi, dword [esi + 4]
cmp dword [esi + 0x1c], 0x10
lea eax, [esi + 8]
mov dword [ebp - 0x14], eax
jb 0x43984b
mov ecx, dword [eax]
mov dword [ebp - 0x14], ecx
cmp dword [edx + 0x14], 0x10
mov ecx, edx
jb 0x439855
mov ecx, dword [edx]
push dword [eax + 0x10]
mov edx, dword [edx + 0x10]
push dword [ebp - 0x14]
call fcn.0042e590
mov edx, dword [ebp + 0xc]
add esp, 8
test al, al
je 0x439833
mov edi, dword [ebp + 0x10]
mov ecx, dword [edi + 4]
mov eax, dword [edi]
mov dword [ecx], eax
mov ecx, dword [edi]
mov eax, dword [edi + 4]
mov dword [ecx + 4], eax
lea ecx, [edi + 8]
dec dword [ebx + 8]
call fcn.00422200
push 0x28
push edi
call fcn.00476085
mov eax, dword [ebp + 8]
add esp, 8
mov dword [eax], esi
mov byte [eax + 4], 0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x14], edi
mov eax, dword [edi]
cmp esi, eax
je 0x4398df
mov ecx, dword [edi + 4]
mov dword [ecx], eax
mov ecx, dword [eax + 4]
mov dword [ecx], esi
mov ecx, dword [esi + 4]
mov dword [ecx], edi
mov ecx, dword [eax + 4]
mov edx, dword [esi + 4]
mov dword [esi + 4], ecx
mov ecx, dword [edi + 4]
mov dword [eax + 4], ecx
mov dword [edi + 4], edx
mov edx, dword [ebx + 0xc]
mov ecx, dword [ebp - 0x18]
mov eax, dword [edx + ecx*8]
cmp eax, dword [ebx + 4]
jne 0x4398f9
mov dword [edx + ecx*8], edi
mov eax, dword [ebx + 0xc]
mov dword [eax + ecx*8 + 4], edi
jmp 0x439921
cmp eax, esi
jne 0x439902
mov dword [edx + ecx*8], edi
jmp 0x439921
mov eax, dword [edx + ecx*8 + 4]
mov eax, dword [eax]
mov dword [edx + ecx*8 + 4], eax
cmp eax, edi
je 0x439921
mov ecx, dword [ebx + 0xc]
mov edx, dword [ebp - 0x18]
mov eax, dword [ecx + edx*8 + 4]
mov eax, dword [eax + 4]
mov dword [ecx + edx*8 + 4], eax
mov dword [ebp - 4], 2
mov eax, dword [ebx + 8]
mov ecx, dword [ebx + 0x1c]
movd xmm0, eax
cvtdq2pd xmm0, xmm0
shr eax, 0x1f
addsd xmm0, qword [eax*8 + 0x502780]
mov eax, ecx
shr eax, 0x1f
cvtpd2ps xmm1, xmm0
movd xmm0, ecx
cvtdq2pd xmm0, xmm0
addsd xmm0, qword [eax*8 + 0x502780]
cvtpd2ps xmm0, xmm0
divss xmm1, xmm0
comiss xmm1, dword [ebx]
jbe 0x4399af
cmp ecx, 0x200
jae 0x439976
shl ecx, 3
jmp 0x439980
cmp ecx, 0x1fffffff
jae 0x439980
add ecx, ecx
push ecx
mov ecx, ebx
call fcn.00418930
mov eax, dword [ebx + 4]
cmp dword [eax], eax
je 0x4399af
mov eax, dword [eax + 4]
mov dword [ebp + 0xc], eax
mov esi, dword [ebx + 4]
mov ecx, ebx
mov esi, dword [esi]
push esi
lea eax, [esi + 8]
push eax
lea eax, [ebp - 0x1c]
push eax
call fcn.004397a0
cmp esi, dword [ebp + 0xc]
jne 0x439995
mov eax, dword [ebp + 8]
mov dword [eax], edi
mov byte [eax + 4], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc