Function at 0x54f7a0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, edx
mov ebx, ecx
push edi
mov ecx, 0x70ac9b
mov dword [ebp - 4], esi
call fcn.0056b0a5
mov edi, dword [ebp + 8]
not ebx
mov edx, esi
test edi, edi
je 0x54f7e0
test dl, 3
je 0x54f7e0
movzx eax, byte [edx]
inc edx
xor eax, ebx
shr ebx, 8
movzx eax, al
xor ebx, dword [eax*4 + 0x5aac00]
sub edi, 1
jne 0x54f7c3
cmp edi, 0x20
jb 0x54f9c7
mov eax, edi
shr eax, 5
mov dword [ebp + 8], eax
xor ebx, dword [edx]
add edx, 4
mov eax, ebx
mov dword [ebp - 4], edx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov esi, dword [ebp - 4]
mov edx, dword [ecx*4 + 0x5ab000]
xor edx, dword [eax*4 + 0x5ab400]
mov eax, ebx
shr eax, 0x18
xor edx, dword [eax*4 + 0x5aac00]
movzx eax, bl
xor edx, dword [eax*4 + 0x5ab800]
xor edx, dword [esi]
mov eax, edx
shr eax, 0x10
movzx ecx, al
mov eax, edx
shr eax, 8
movzx eax, al
mov ebx, dword [ecx*4 + 0x5ab000]
xor ebx, dword [eax*4 + 0x5ab400]
mov eax, edx
shr eax, 0x18
xor ebx, dword [eax*4 + 0x5aac00]
movzx eax, dl
xor ebx, dword [eax*4 + 0x5ab800]
xor ebx, dword [esi + 4]
mov eax, ebx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov edx, dword [ecx*4 + 0x5ab000]
xor edx, dword [eax*4 + 0x5ab400]
mov eax, ebx
shr eax, 0x18
xor edx, dword [eax*4 + 0x5aac00]
movzx eax, bl
xor edx, dword [eax*4 + 0x5ab800]
xor edx, dword [esi + 8]
mov eax, edx
shr eax, 0x10
movzx ecx, al
mov eax, edx
shr eax, 8
movzx eax, al
mov ebx, dword [ecx*4 + 0x5ab000]
xor ebx, dword [eax*4 + 0x5ab400]
mov eax, edx
shr eax, 0x18
xor ebx, dword [eax*4 + 0x5aac00]
movzx eax, dl
xor ebx, dword [eax*4 + 0x5ab800]
xor ebx, dword [esi + 0xc]
mov eax, ebx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov edx, dword [ecx*4 + 0x5ab000]
xor edx, dword [eax*4 + 0x5ab400]
mov eax, ebx
shr eax, 0x18
xor edx, dword [eax*4 + 0x5aac00]
movzx eax, bl
xor edx, dword [eax*4 + 0x5ab800]
xor edx, dword [esi + 0x10]
add esi, 0x14
mov eax, edx
mov dword [ebp - 4], esi
shr eax, 0x10
movzx ecx, al
mov eax, edx
shr eax, 8
mov ebx, dword [ecx*4 + 0x5ab000]
sub edi, 0x20
movzx eax, al
xor ebx, dword [eax*4 + 0x5ab400]
mov eax, edx
shr eax, 0x18
xor ebx, dword [eax*4 + 0x5aac00]
movzx eax, dl
mov edx, esi
xor ebx, dword [eax*4 + 0x5ab800]
xor ebx, dword [edx]
mov eax, ebx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x5ab000]
xor ecx, dword [eax*4 + 0x5ab400]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x5aac00]
movzx eax, bl
xor ecx, dword [eax*4 + 0x5ab800]
xor ecx, dword [edx + 4]
add edx, 8
mov eax, ecx
shr eax, 0x10
movzx ebx, al
mov eax, ecx
shr eax, 8
movzx eax, al
mov ebx, dword [ebx*4 + 0x5ab000]
xor ebx, dword [eax*4 + 0x5ab400]
mov eax, ecx
shr eax, 0x18
xor ebx, dword [eax*4 + 0x5aac00]
movzx eax, cl
xor ebx, dword [eax*4 + 0x5ab800]
sub dword [ebp + 8], 1
jne 0x54f7f1
cmp edi, 4
jb 0x54fa14
mov esi, edi
shr esi, 2
xor ebx, dword [edx]
sub edi, 4
mov eax, ebx
add edx, 4
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x5ab000]
xor ecx, dword [eax*4 + 0x5ab400]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x5aac00]
movzx eax, bl
xor ecx, dword [eax*4 + 0x5ab800]
mov ebx, ecx
sub esi, 1
jne 0x54f9d1
test edi, edi
je 0x54fa32
movzx eax, byte [edx]
lea edx, [edx + 1]
xor eax, ebx
shr ebx, 8
movzx eax, al
xor ebx, dword [eax*4 + 0x5aac00]
sub edi, 1
jne 0x54fa18
pop edi
not ebx
pop esi
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret