Function at 0x5bd270
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
sub esp, 0x1c
test ecx, ecx
jne 0x5bcdd1
xor eax, eax
add esp, 0x1c
ret
push ebx
push esi
mov esi, dword [esp + 0x28]
push edi
mov edi, dword [esp + 0x34]
not esi
cmp edi, 0x17
jb 0x5bd171
test edi, edi
je 0x5bce0d
jmp 0x5bcdf0
test cl, 3
je 0x5bce0d
movzx eax, byte [ecx]
xor eax, esi
and eax, 0xff
shr esi, 8
xor esi, dword [eax*4 + 0x64eef0]
inc ecx
dec edi
jne 0x5bcdf0
mov eax, 0xcccccccd
mul edi
mov eax, edx
shr eax, 4
mov edx, eax
imul edx, edx, 0xffffffec
add edi, edx
xor ebx, ebx
push ebp
xor ebp, ebp
dec eax
mov dword [esp + 0x38], edi
mov edx, esi
mov dword [esp + 0x34], ebx
mov dword [esp + 0x10], ebx
mov dword [esp + 0x18], eax
je 0x5bcfd7
mov edi, edi
mov eax, dword [ecx]
xor eax, edx
mov esi, dword [ecx + 4]
xor esi, ebp
mov edi, dword [ecx + 8]
mov ebp, eax
mov edx, dword [ecx + 0x10]
xor edx, dword [esp + 0x10]
and ebp, 0xff
mov ebp, dword [ebp*4 + 0x64f6f0]
mov dword [esp + 0x1c], ebp
mov ebp, esi
and ebp, 0xff
mov ebp, dword [ebp*4 + 0x64f6f0]
mov dword [esp + 0x24], ebp
xor edi, ebx
mov ebx, dword [ecx + 0xc]
xor ebx, dword [esp + 0x34]
mov dword [esp + 0x28], edx
and edx, 0xff
mov edx, dword [edx*4 + 0x64f6f0]
mov ebp, edi
and ebp, 0xff
mov ebp, dword [ebp*4 + 0x64f6f0]
mov dword [esp + 0x14], ebp
mov dword [esp + 0x10], edx
mov edx, eax
mov ebp, ebx
and ebp, 0xff
mov ebp, dword [ebp*4 + 0x64f6f0]
mov dword [esp + 0x34], ebp
mov ebp, eax
shr eax, 0x18
shr edx, 0x10
shr ebp, 8
and edx, 0xff
mov edx, dword [edx*4 + 0x64fef0]
and ebp, 0xff
xor edx, dword [ebp*4 + 0x64faf0]
mov ebp, esi
xor edx, dword [eax*4 + 0x6502f0]
mov eax, esi
shr eax, 0x10
and eax, 0xff
mov eax, dword [eax*4 + 0x64fef0]
shr ebp, 8
shr esi, 0x18
and ebp, 0xff
xor eax, dword [ebp*4 + 0x64faf0]
mov ebp, dword [esp + 0x24]
xor eax, dword [esi*4 + 0x6502f0]
mov esi, edi
xor ebp, eax
mov eax, edi
shr eax, 0x10
and eax, 0xff
mov eax, dword [eax*4 + 0x64fef0]
shr esi, 8
and esi, 0xff
xor eax, dword [esi*4 + 0x64faf0]
shr edi, 0x18
xor eax, dword [edi*4 + 0x6502f0]
mov esi, ebx
xor dword [esp + 0x14], eax
mov eax, ebx
shr eax, 0x10
and eax, 0xff
mov eax, dword [eax*4 + 0x64fef0]
shr esi, 8
and esi, 0xff
xor eax, dword [esi*4 + 0x64faf0]
shr ebx, 0x18
xor eax, dword [ebx*4 + 0x6502f0]
mov dword [esp + 0x20], edx
xor dword [esp + 0x34], eax
mov eax, dword [esp + 0x28]
mov edx, dword [esp + 0x1c]
xor edx, dword [esp + 0x20]
mov esi, eax
add ecx, 0x14
shr esi, 0x10
mov ebx, dword [esp + 0x14]
and esi, 0xff
mov esi, dword [esi*4 + 0x64fef0]
mov edi, eax
shr edi, 8
and edi, 0xff
xor esi, dword [edi*4 + 0x64faf0]
shr eax, 0x18
xor esi, dword [eax*4 + 0x6502f0]
xor dword [esp + 0x10], esi
dec dword [esp + 0x18]
jne 0x5bce40
mov edi, dword [esp + 0x38]
mov eax, dword [ecx]
xor eax, edx
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
mov eax, dword [ecx + 4]
xor eax, edx
xor eax, ebp
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
mov eax, dword [ecx + 8]
xor eax, edx
xor eax, ebx
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
shr eax, 8
and edx, 0xff
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
mov eax, dword [ecx + 0xc]
xor eax, edx
xor eax, dword [esp + 0x34]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
mov eax, dword [ecx + 0x10]
xor eax, edx
xor eax, dword [esp + 0x10]
pop ebp
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
mov edx, eax
and edx, 0xff
shr eax, 8
xor eax, dword [edx*4 + 0x64eef0]
add ecx, 0x14
mov esi, eax
cmp edi, 8
jb 0x5bd240
mov edx, edi
shr edx, 3
nop
movzx ebx, byte [ecx]
xor ebx, esi
mov eax, esi
movzx esi, byte [ecx + 1]
shr eax, 8
and ebx, 0xff
xor eax, dword [ebx*4 + 0x64eef0]
sub edi, 8
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 2]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 3]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 4]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 5]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 6]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
movzx esi, byte [ecx + 7]
xor esi, eax
and esi, 0xff
shr eax, 8
xor eax, dword [esi*4 + 0x64eef0]
add ecx, 8
dec edx
mov esi, eax
jne 0x5bd180
test edi, edi
je 0x5bd25c
movzx eax, byte [ecx]
xor eax, esi
and eax, 0xff
shr esi, 8
xor esi, dword [eax*4 + 0x64eef0]
inc ecx
dec edi
jne 0x5bd244
pop edi
mov eax, esi
pop esi
not eax
pop ebx
add esp, 0x1c
ret
jmp 0x5bcdc0