Function at 0x4bbb60
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
not ecx
push ebx
push edi
mov edi, dword [ebp + 8]
mov ebx, edx
test edi, edi
je 0x4bbb90
test bl, 3
je 0x4bbb90
movzx eax, byte [ebx]
inc ebx
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0xdefab8]
sub edi, 1
jne 0x4bbb73
push esi
cmp edi, 0x20
jb 0x4bbd99
mov eax, edi
shr eax, 5
mov dword [ebp - 8], eax
xor ecx, dword [ebx]
mov esi, dword [ebx + 4]
mov eax, ecx
shr eax, 0x10
add ebx, 8
movzx edx, al
mov eax, ecx
shr eax, 8
movzx eax, al
mov dword [ebp + 8], ebx
mov ebx, dword [edx*4 + 0xdefeb8]
xor ebx, dword [eax*4 + 0xdf02b8]
mov eax, ecx
shr eax, 0x18
xor ebx, dword [eax*4 + 0xdefab8]
movzx eax, cl
xor ebx, dword [eax*4 + 0xdf06b8]
xor ebx, esi
mov esi, dword [ebp + 8]
mov eax, ebx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
xor ecx, dword [eax*4 + 0xdf06b8]
xor ecx, dword [esi]
mov eax, ecx
mov dword [ebp + 8], ecx
mov ebx, dword [ebp + 8]
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
xor ecx, dword [eax*4 + 0xdf06b8]
xor ecx, dword [esi + 4]
mov eax, ecx
mov dword [ebp + 8], ecx
mov ebx, dword [ebp + 8]
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
xor ecx, dword [eax*4 + 0xdf06b8]
xor ecx, dword [esi + 8]
mov eax, ecx
mov dword [ebp + 8], ecx
mov ebx, dword [ebp + 8]
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
xor ecx, dword [eax*4 + 0xdf06b8]
xor ecx, dword [esi + 0xc]
mov eax, ecx
mov dword [ebp + 8], ecx
mov ebx, dword [ebp + 8]
sub edi, 0x20
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov edx, dword [esi + 0x14]
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
xor ecx, dword [eax*4 + 0xdf06b8]
xor ecx, dword [esi + 0x10]
add esi, 0x18
mov eax, ecx
mov dword [ebp - 4], ecx
shr eax, 0x10
movzx ecx, al
mov eax, dword [ebp - 4]
shr eax, 8
movzx eax, al
mov ebx, dword [ecx*4 + 0xdefeb8]
mov ecx, dword [ebp - 4]
mov dword [ebp + 8], esi
xor ebx, dword [eax*4 + 0xdf02b8]
mov eax, ecx
shr eax, 0x18
xor ebx, dword [eax*4 + 0xdefab8]
movzx eax, cl
xor ebx, dword [eax*4 + 0xdf06b8]
xor ebx, edx
mov eax, ebx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0xdefeb8]
xor ecx, dword [eax*4 + 0xdf02b8]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0xdefab8]
movzx eax, bl
mov ebx, esi
xor ecx, dword [eax*4 + 0xdf06b8]
sub dword [ebp - 8], 1
jne 0x4bbba2
cmp edi, 4
jb 0x4bbde8
mov esi, edi
shr esi, 2
mov eax, dword [ebx]
sub edi, 4
xor ecx, eax
add ebx, 4
mov eax, ecx
shr eax, 0x10
movzx edx, al
mov eax, ecx
shr eax, 8
movzx eax, al
mov edx, dword [edx*4 + 0xdefeb8]
xor edx, dword [eax*4 + 0xdf02b8]
mov eax, ecx
shr eax, 0x18
xor edx, dword [eax*4 + 0xdefab8]
movzx eax, cl
xor edx, dword [eax*4 + 0xdf06b8]
mov ecx, edx
sub esi, 1
jne 0x4bbda3
pop esi
test edi, edi
je 0x4bbe0a
nop dword [eax]
movzx eax, byte [ebx]
lea ebx, [ebx + 1]
xor eax, ecx
shr ecx, 8
movzx eax, al
xor ecx, dword [eax*4 + 0xdefab8]
sub edi, 1
jne 0x4bbdf0
not ecx
pop edi
mov eax, ecx
pop ebx
mov esp, ebp
pop ebp
ret