Function at 0x18009f3e0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov dword [rsp + 0x18], r8d
mov qword [rsp + 0x10], rdx
mov dword [rsp + 8], ecx
cmp qword [rsp + 0x10], 0
jne 0x18009f3fd
xor eax, eax
jmp 0x18009f655
mov eax, dword [rsp + 8]
xor eax, 0xffffffff
mov dword [rsp + 8], eax
cmp dword [rsp + 0x18], 8
jb 0x18009f5fb
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov eax, dword [rsp + 0x18]
sub eax, 8
mov dword [rsp + 0x18], eax
jmp 0x18009f408
cmp dword [rsp + 0x18], 0
je 0x18009f64e
mov rax, qword [rsp + 0x10]
movzx eax, byte [rax]
mov ecx, dword [rsp + 8]
xor ecx, eax
mov eax, ecx
and eax, 0xff
cdqe
lea rcx, [0x18013a3f0]
mov edx, dword [rsp + 8]
shr edx, 8
mov eax, dword [rcx + rax*4]
xor eax, edx
mov dword [rsp + 8], eax
mov rax, qword [rsp + 0x10]
inc rax
mov qword [rsp + 0x10], rax
mov eax, dword [rsp + 0x18]
dec eax
mov dword [rsp + 0x18], eax
cmp dword [rsp + 0x18], 0
jne 0x18009f602
mov eax, dword [rsp + 8]
xor eax, 0xffffffff
ret