Function at 0x453f70
Capabilities:
Encode data using xor
Hash data using fnv

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x24
mov eax, dword [0x5d0074]
xor eax, esp
mov dword [esp + 0x20], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 0xc]
mov esi, ecx
mov ecx, dword [edi + 8]
cmp ecx, 0xfffffff4
jne 0x453fbb
mov eax, dword [edi]
cmp eax, dword [esi + 0x40]
jne 0x45407a
push edi
mov ecx, esi
call fcn.00454390
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.005214e1
mov esp, ebp
pop ebp
ret 8
cmp ecx, 0xfffffec0
jne 0x454052
mov eax, dword [esi + 0x68]
cmp dword [edi], eax
jne 0x45407a
cmp dword [esi + 0x88], 0
je 0x453ffe
mov dword [esi + 0x88], 0
mov eax, 1
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.005214e1
mov esp, ebp
pop ebp
ret 8
cmp dword [edi + 0xc], 0
jne 0x4541c5
lea ecx, [esp + 0x18]
xorps xmm0, xmm0
push ecx
push 0
push 0x1207
push eax
movups xmmword [esp + 0x28], xmm0
call dword [sym.imp.USER32.dll_SendMessageW]
mov ecx, dword [edi + 0x14]
mov eax, dword [esi + 0x84]
cmp dword [ecx + 4], eax
jge 0x4541c5
inc eax
mov dword [ecx + 4], eax
mov eax, 1
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.005214e1
mov esp, ebp
pop ebp
ret 8
cmp ecx, 0xfffffebf
jne 0x45407a
mov eax, dword [edi]
cmp eax, dword [esi + 0x68]
jne 0x45407a
mov ecx, esi
call fcn.00453c60
push 1
push 0
push dword [esi + 0x40]
call dword [sym.imp.USER32.dll_InvalidateRect]
jmp 0x4541c5
cmp ecx, 0xfffffe39
jne 0x4540a8
mov eax, dword [edi]
cmp eax, dword [esi + 0x40]
jne 0x454148
push 0
mov ecx, esi
call fcn.00454cd0
push eax
mov ecx, esi
call fcn.00454c50
mov ecx, esi
call fcn.00453d00
mov ecx, dword [edi + 8]
cmp ecx, 0xfffffe36
jne 0x454148
mov eax, dword [edi]
cmp eax, dword [esi + 0x40]
jne 0x454148
mov eax, dword [edi + 0x14]
lea edx, [esp + 0x10]
mov dword [esp + 0x10], eax
mov ebx, 4
mov eax, 0x811c9dc5
movzx ecx, byte [edx]
lea edx, [edx + 1]
xor ecx, eax
imul eax, ecx, 0x1000193
sub ebx, 1
jne 0x4540d4
mov ecx, dword [esi + 0xa4]
mov edx, dword [esi + 0x98]
and ecx, eax
mov ebx, dword [esi + 0x90]
mov eax, dword [edx + ecx*8]
lea ecx, [ecx*8 + 4]
add ecx, edx
mov dword [esp + 0x10], eax
mov edx, dword [edi + 0x14]
mov dword [esp + 0x14], ecx
cmp dword [esp + 0x10], ebx
jne 0x45411c
mov ecx, ebx
jmp 0x454120
mov ecx, dword [ecx]
mov ecx, dword [ecx]
cmp eax, ecx
je 0x454131
cmp dword [eax + 8], edx
je 0x454133
mov eax, dword [eax]
mov ecx, dword [esp + 0x14]
jmp 0x454112
mov eax, ebx
cmp eax, ebx
je 0x454148
push eax
lea eax, [esp + 0x18]
push eax
lea ecx, [esi + 0x8c]
call fcn.00455290
cmp dword [edi + 8], 0x201
jne 0x45419e
mov eax, dword [edi]
cmp eax, dword [esi + 0x40]
jne 0x45419e
movsx eax, word [edi + 4]
xorps xmm0, xmm0
movsx ecx, word [edi + 6]
mov dword [esp + 0x18], eax
lea eax, [esp + 0x18]
mov dword [esp + 0x1c], ecx
mov ecx, esi
push eax
movlpd qword [esp + 0x24], xmm0
mov dword [esp + 0x2c], 0
call fcn.004539b0
test byte [esp + 0x20], 0x40
je 0x45419e
push 0x105
push 0
push 0
push dword [esi + 4]
call dword [sym.imp.USER32.dll_RedrawWindow]
mov ecx, dword [esi + 0x70]
test ecx, ecx
je 0x4541be
lea edx, [esp + 0xf]
mov byte [esp + 0xf], 1
mov eax, dword [ecx]
push edx
push edi
push dword [ebp + 8]
call dword [eax]
cmp byte [esp + 0xf], 0
jne 0x4541c7
mov dword [esi + 0x34], 0
xor eax, eax
mov ecx, dword [esp + 0x2c]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.005214e1
mov esp, ebp
pop ebp
ret 8