Function at 0x50f8e0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff8
mov eax, dword [ebp + 8]
mov dword [ebp - 4], eax
not dword [ebp - 4]
jmp 0x50f91b
mov edx, dword [ebp + 0xc]
xor ecx, ecx
mov cl, byte [edx]
mov eax, dword [ebp - 4]
xor ecx, eax
and ecx, 0xff
mov edx, dword [ecx*4 + 0x7d9078]
mov ecx, dword [ebp - 4]
shr ecx, 8
xor edx, ecx
mov dword [ebp - 4], edx
inc dword [ebp + 0xc]
dec dword [ebp + 0x10]
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x50f928
test byte [ebp + 0xc], 3
jne 0x50f8f1
mov edx, dword [ebp + 0xc]
mov dword [ebp - 8], edx
mov ecx, dword [ebp + 0x10]
cmp ecx, 0x20
jb 0x50fbfc
mov eax, dword [ebp - 8]
mov edx, dword [eax]
xor dword [ebp - 4], edx
add dword [ebp - 8], 4
mov ecx, dword [ebp - 4]
and ecx, 0xff
mov eax, dword [ecx*4 + 0x7d9c78]
mov edx, dword [ebp - 4]
shr edx, 8
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9878]
xor eax, ecx
mov edx, dword [ebp - 4]
shr edx, 0x10
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9478]
xor eax, ecx
mov edx, dword [ebp - 4]
shr edx, 0x18
mov ecx, dword [edx*4 + 0x7d9078]
xor eax, ecx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 8]
mov eax, dword [eax]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
mov ecx, dword [ebp - 8]
mov eax, dword [ecx]
xor dword [ebp - 4], eax
add dword [ebp - 8], 4
mov edx, dword [ebp - 4]
and edx, 0xff
mov ecx, dword [edx*4 + 0x7d9c78]
mov eax, dword [ebp - 4]
shr eax, 8
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9878]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9478]
xor ecx, edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov edx, dword [eax*4 + 0x7d9078]
xor ecx, edx
mov dword [ebp - 4], ecx
sub dword [ebp + 0x10], 0x20
mov ecx, dword [ebp + 0x10]
cmp ecx, 0x20
jae 0x50f93a
mov eax, dword [ebp + 0x10]
cmp eax, 4
jb 0x50fc67
mov edx, dword [ebp - 8]
mov ecx, dword [edx]
xor dword [ebp - 4], ecx
add dword [ebp - 8], 4
mov eax, dword [ebp - 4]
and eax, 0xff
mov edx, dword [eax*4 + 0x7d9c78]
mov ecx, dword [ebp - 4]
shr ecx, 8
and ecx, 0xff
mov eax, dword [ecx*4 + 0x7d9878]
xor edx, eax
mov ecx, dword [ebp - 4]
shr ecx, 0x10
and ecx, 0xff
mov eax, dword [ecx*4 + 0x7d9478]
xor edx, eax
mov ecx, dword [ebp - 4]
shr ecx, 0x18
mov eax, dword [ecx*4 + 0x7d9078]
xor edx, eax
mov dword [ebp - 4], edx
sub dword [ebp + 0x10], 4
mov edx, dword [ebp + 0x10]
cmp edx, 4
jae 0x50fc04
mov ecx, dword [ebp - 8]
mov dword [ebp + 0xc], ecx
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x50fca0
mov edx, dword [ebp + 0xc]
xor ecx, ecx
mov cl, byte [edx]
mov eax, dword [ebp - 4]
xor ecx, eax
and ecx, 0xff
mov edx, dword [ecx*4 + 0x7d9078]
mov ecx, dword [ebp - 4]
shr ecx, 8
xor edx, ecx
mov dword [ebp - 4], edx
inc dword [ebp + 0xc]
dec dword [ebp + 0x10]
jne 0x50fc74
not dword [ebp - 4]
mov eax, dword [ebp - 4]
pop ecx
pop ecx
pop ebp
ret