Function at 0x4502a0
Capabilities:
Encode data using xor
Hash data with crc32
Read file on windows

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x56cffb
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x468
mov eax, dword [0x5bfd00]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x42c], edx
mov edi, ecx
mov eax, dword [ebx + 8]
lea ecx, [ebp - 0x448]
push 2
xorps xmm0, xmm0
mov dword [ebp - 0x430], eax
push 0x59eec8
movups xmmword [ebp - 0x448], xmm0
mov dword [ebp - 0x438], 0
mov dword [ebp - 0x434], 0
call fcn.0040d5d0
mov dword [ebp - 4], 0
cmp dword [edi + 0x10], 0
je 0x450399
cmp dword [ebp - 0x438], 0
je 0x450399
lea edx, [ebp - 0x448]
lea ecx, [ebp - 0x478]
call fcn.0044a1a0
mov esi, eax
mov byte [ebp - 4], 1
cmp dword [esi + 0x14], 7
jbe 0x450357
mov esi, dword [esi]
mov edx, edi
lea ecx, [ebp - 0x460]
call fcn.0044a1a0
cmp dword [eax + 0x14], 7
jbe 0x45036c
mov eax, dword [eax]
push 0x40
push esi
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll__wfsopen]
add esp, 0xc
mov dword [ebp - 0x424], eax
lea ecx, [ebp - 0x460]
mov edi, eax
call fcn.0041c760
lea ecx, [ebp - 0x478]
call fcn.0041c760
jmp 0x4503a1
xor edi, edi
mov dword [ebp - 0x424], edi
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0x434]
cmp ecx, 0xf
jbe 0x4503e4
mov edx, dword [ebp - 0x448]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x4503da
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x4503da
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push ecx
push edx
call fcn.00563352
add esp, 8
mov dword [ebp - 0x438], 0
mov dword [ebp - 0x434], 0xf
mov byte [ebp - 0x448], 0
test edi, edi
jne 0x45040b
lea eax, [edi + 0x1e]
jmp 0x450533
push 0x400
lea eax, [ebp - 0x420]
or esi, 0xffffffff
push 0
push eax
mov dword [ebp - 0x428], esi
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
lea eax, [ebp - 0x420]
push edi
push 0x400
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov edi, eax
add esp, 0x10
test edi, edi
je 0x4504df
nop dword [eax]
mov esi, dword [ebp - 0x42c]
test esi, esi
je 0x450484
lea ecx, [esi + 0xf8]
call fcn.00408450
test al, al
jne 0x450551
mov ecx, dword [esi + 0xfc]
test ecx, ecx
je 0x450484
call fcn.00408450
test al, al
jne 0x450551
xor esi, esi
test edi, edi
je 0x4504b2
mov eax, dword [ebp - 0x428]
movzx edx, byte [ebp + esi - 0x420]
inc esi
movzx ecx, al
xor edx, ecx
shr eax, 8
xor eax, dword [edx*4 + 0x5a1a70]
cmp esi, edi
jb 0x450490
mov dword [ebp - 0x428], eax
push dword [ebp - 0x424]
lea eax, [ebp - 0x420]
push 0x400
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x450450
mov esi, dword [ebp - 0x428]
push dword [ebp - 0x424]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
add esp, 4
mov word [ebp - 0x18], 0
not esi
lea eax, [ebp - 0x20]
xorps xmm0, xmm0
movq qword [ebp - 0x20], xmm0
push esi
push str._08x
push 0xa
push eax
call fcn.0041d900
lea edx, [ebp - 0x20]
add esp, 0x10
lea esi, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x450518
mov ecx, dword [ebp - 0x430]
lea eax, [ebp - 0x20]
sub edx, esi
push edx
push eax
call fcn.0040b570
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.00563360
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push dword [ebp - 0x424]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fclose]
add esp, 4
mov eax, 0xc
jmp 0x450533