Function at 0x246f290
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
test edi, edi
mov eax, ecx
not eax
je 0x246f2c3
test dl, 3
je 0x246f2c3
xor ebx, ebx
mov bl, byte [edx]
mov ecx, eax
and ecx, 0xff
shr eax, 8
xor ecx, ebx
mov ecx, dword [ecx*4 + 0x24c7fac]
xor eax, ecx
inc edx
dec edi
jne 0x246f2a0
cmp edi, 0x20
mov esi, edx
jb 0x246f4d7
mov ebp, edi
shr ebp, 5
xor eax, dword [esi]
xor edx, edx
mov dword [esp + 0x14], eax
mov dl, byte [esp + 0x16]
xor ebx, ebx
mov bl, ah
add esi, 4
add esi, 4
add esi, 4
add esi, 4
mov ecx, dword [edx*4 + 0x24c83ac]
add esi, 4
xor ecx, dword [ebx*4 + 0x24c87ac]
mov edx, eax
shr edx, 0x18
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 0x10]
xor ecx, ebx
and eax, 0xff
xor ecx, dword [eax*4 + 0x24c8bac]
xor ecx, edx
xor edx, edx
mov dl, ch
xor eax, eax
mov dword [esp + 0x14], ecx
mov al, byte [esp + 0x16]
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, ecx
shr edx, 0x18
mov eax, dword [eax*4 + 0x24c83ac]
xor eax, ebx
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 0xc]
xor eax, ebx
and ecx, 0xff
xor eax, dword [ecx*4 + 0x24c8bac]
xor eax, edx
xor edx, edx
mov dl, ah
xor ecx, ecx
mov dword [esp + 0x14], eax
mov cl, byte [esp + 0x16]
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, eax
shr edx, 0x18
mov ecx, dword [ecx*4 + 0x24c83ac]
xor ecx, ebx
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 8]
xor ecx, ebx
and eax, 0xff
xor ecx, dword [eax*4 + 0x24c8bac]
xor ecx, edx
xor edx, edx
mov dl, ch
xor eax, eax
mov dword [esp + 0x14], ecx
mov al, byte [esp + 0x16]
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, ecx
shr edx, 0x18
mov eax, dword [eax*4 + 0x24c83ac]
xor eax, ebx
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 4]
and ecx, 0xff
xor eax, ebx
xor eax, dword [ecx*4 + 0x24c8bac]
xor eax, edx
xor ecx, ecx
mov dword [esp + 0x14], eax
mov cl, byte [esp + 0x16]
xor edx, edx
mov dl, ah
mov ecx, dword [ecx*4 + 0x24c83ac]
xor ecx, dword [edx*4 + 0x24c87ac]
mov edx, eax
shr edx, 0x18
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi]
xor ecx, ebx
and eax, 0xff
xor ecx, dword [eax*4 + 0x24c8bac]
xor ecx, edx
xor edx, edx
mov dl, ch
xor eax, eax
mov dword [esp + 0x14], ecx
mov al, byte [esp + 0x16]
add esi, 4
add esi, 4
add esi, 4
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, ecx
shr edx, 0x18
mov eax, dword [eax*4 + 0x24c83ac]
xor eax, ebx
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 8]
xor eax, ebx
and ecx, 0xff
xor eax, dword [ecx*4 + 0x24c8bac]
xor eax, edx
xor edx, edx
mov dl, ah
mov dword [esp + 0x14], eax
xor ecx, ecx
mov cl, byte [esp + 0x16]
sub edi, 0x20
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, eax
shr edx, 0x18
mov ecx, dword [ecx*4 + 0x24c83ac]
xor ecx, ebx
mov ebx, dword [edx*4 + 0x24c7fac]
mov edx, dword [esi - 4]
and eax, 0xff
xor ecx, ebx
xor ecx, dword [eax*4 + 0x24c8bac]
xor ecx, edx
xor edx, edx
xor eax, eax
mov dl, ch
mov dword [esp + 0x14], ecx
mov al, byte [esp + 0x16]
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, ecx
mov eax, dword [eax*4 + 0x24c83ac]
xor eax, ebx
shr edx, 0x18
xor eax, dword [edx*4 + 0x24c7fac]
and ecx, 0xff
xor eax, dword [ecx*4 + 0x24c8bac]
dec ebp
jne 0x246f2d3
cmp edi, 4
jb 0x246f526
mov ebp, edi
shr ebp, 2
xor eax, dword [esi]
xor edx, edx
xor ecx, ecx
mov dl, ah
mov dword [esp + 0x14], eax
mov cl, byte [esp + 0x16]
add esi, 4
sub edi, 4
mov ebx, dword [edx*4 + 0x24c87ac]
mov edx, eax
mov ecx, dword [ecx*4 + 0x24c83ac]
xor ecx, ebx
shr edx, 0x18
mov ebx, dword [edx*4 + 0x24c7fac]
and eax, 0xff
xor ecx, ebx
xor ecx, dword [eax*4 + 0x24c8bac]
dec ebp
mov eax, ecx
jne 0x246f4e1
test edi, edi
je 0x246f548
xor edx, edx
mov dl, byte [esi]
mov ecx, eax
and ecx, 0xff
shr eax, 8
xor ecx, edx
mov ecx, dword [ecx*4 + 0x24c7fac]
xor eax, ecx
inc esi
dec edi
jne 0x246f52a
pop edi
pop esi
pop ebp
not eax
pop ebx
ret 4