Function at 0x180004fa0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
test rdx, rdx
jne 0x180004f98
xor eax, eax
ret
jmp 0x180004fa0
push rdi
mov r11d, r8d
mov r10, rdx
not ecx
lea rdi, [0x18003cf40]
test r8d, r8d
je 0x180004fda
test r10b, 3
je 0x180004fda
movzx edx, byte [r10]
mov eax, ecx
inc r10
xor rdx, rax
shr eax, 8
movzx r8d, dl
mov ecx, dword [rdi + r8*4]
xor ecx, eax
dec r11d
jne 0x180004fb6
cmp r11d, 0x20
jb 0x18000520c
mov qword [rsp + 0x10], rbx
mov ebx, r11d
shr rbx, 5
xor ecx, dword [r10]
mov r9d, ecx
mov eax, ecx
shr rax, 0x10
movzx edx, al
mov eax, ecx
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 + 4]
mov r9d, r8d
mov eax, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 + 8]
mov r9d, r8d
mov eax, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 + 0xc]
mov r9d, r8d
mov eax, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 + 0x10]
mov r9d, r8d
mov eax, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 + 0x14]
mov eax, r8d
mov r9d, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
add r10, 0x20
movzx ecx, al
mov eax, r9d
add r11d, 0xffffffe0
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 - 8]
mov r9d, r8d
mov eax, r8d
shr rax, 0x10
movzx edx, al
mov eax, r8d
mov r8d, dword [rdi + rdx*4 + 0x400]
shr rax, 8
movzx ecx, al
mov eax, r9d
xor r8d, dword [rdi + rcx*4 + 0x800]
shr rax, 0x18
xor r8d, dword [rdi + rax*4]
movzx eax, r9b
xor r8d, dword [rdi + rax*4 + 0xc00]
xor r8d, dword [r10 - 4]
mov eax, r8d
shr rax, 0x10
movzx ecx, al
mov eax, r8d
mov ecx, dword [rdi + rcx*4 + 0x400]
shr rax, 8
movzx edx, al
mov eax, r8d
xor ecx, dword [rdi + rdx*4 + 0x800]
shr rax, 0x18
xor ecx, dword [rdi + rax*4]
movzx eax, r8b
xor ecx, dword [rdi + rax*4 + 0xc00]
dec rbx
jne 0x180004ff0
mov rbx, qword [rsp + 0x10]
cmp r11d, 4
jb 0x180005269
mov r9d, r11d
shr r9, 2
nop dword [rax]
xor ecx, dword [r10]
add r10, 4
add r11d, 0xfffffffc
mov r8d, ecx
mov eax, ecx
shr rax, 0x10
movzx ecx, al
mov eax, r8d
mov ecx, dword [rdi + rcx*4 + 0x400]
shr rax, 8
movzx edx, al
mov eax, r8d
xor ecx, dword [rdi + rdx*4 + 0x800]
shr rax, 0x18
xor ecx, dword [rdi + rax*4]
movzx eax, r8b
xor ecx, dword [rdi + rax*4 + 0xc00]
dec r9
jne 0x180005220
test r11d, r11d
je 0x18000528f
nop
movzx edx, byte [r10]
mov eax, ecx
lea r10, [r10 + 1]
xor rdx, rax
shr eax, 8
movzx r8d, dl
mov ecx, dword [rdi + r8*4]
xor ecx, eax
dec r11d
jne 0x180005270
not ecx
mov eax, ecx
pop rdi
ret