Function at 0x555dc0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov eax, dword [ebp + 8]
shr eax, 0x18
mov ecx, dword [ebp + 8]
shr ecx, 8
and ecx, 0xff00
add eax, ecx
mov edx, dword [ebp + 8]
and edx, 0xff00
shl edx, 8
add eax, edx
mov ecx, dword [ebp + 8]
and ecx, 0xff
shl ecx, 0x18
add eax, ecx
mov dword [ebp - 4], eax
mov edx, dword [ebp - 4]
not edx
mov dword [ebp - 4], edx
cmp dword [ebp + 0x10], 0
je 0x555e4a
mov eax, dword [ebp + 0xc]
and eax, 3
je 0x555e4a
mov ecx, 0x400
shl ecx, 2
mov edx, dword [ebp - 4]
shr edx, 0x18
mov eax, dword [ebp + 0xc]
movzx eax, byte [eax]
xor edx, eax
mov eax, dword [ebp - 4]
shl eax, 8
xor eax, dword [ecx + edx*4 + 0x584658]
mov dword [ebp - 4], eax
mov ecx, dword [ebp + 0xc]
add ecx, 1
mov dword [ebp + 0xc], ecx
mov edx, dword [ebp + 0x10]
sub edx, 1
mov dword [ebp + 0x10], edx
jmp 0x555e02
mov eax, dword [ebp + 0xc]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
sub ecx, 4
mov dword [ebp - 8], ecx
cmp dword [ebp + 0x10], 0x20
jb 0x556231
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp - 8]
add edx, 4
mov dword [ebp - 8], edx
mov eax, dword [ebp - 8]
mov ecx, dword [ebp - 4]
xor ecx, dword [eax]
mov dword [ebp - 4], ecx
mov edx, 0x400
shl edx, 2
mov eax, dword [ebp - 4]
and eax, 0xff
mov ecx, 0x400
imul ecx, ecx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov edx, dword [edx + eax*4 + 0x584658]
xor edx, dword [ecx + esi*4 + 0x584658]
mov eax, 0x400
imul ecx, eax, 6
mov eax, dword [ebp - 4]
shr eax, 0x10
and eax, 0xff
xor edx, dword [ecx + eax*4 + 0x584658]
mov ecx, 0x400
imul eax, ecx, 7
mov ecx, dword [ebp - 4]
shr ecx, 0x18
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov edx, dword [ebp + 0x10]
sub edx, 0x20
mov dword [ebp + 0x10], edx
jmp 0x555e59
cmp dword [ebp + 0x10], 4
jb 0x5562c3
mov eax, dword [ebp - 8]
add eax, 4
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
mov edx, dword [ebp - 4]
xor edx, dword [ecx]
mov dword [ebp - 4], edx
mov eax, 0x400
shl eax, 2
mov ecx, dword [ebp - 4]
and ecx, 0xff
mov edx, 0x400
imul edx, edx, 5
mov esi, dword [ebp - 4]
shr esi, 8
and esi, 0xff
mov eax, dword [eax + ecx*4 + 0x584658]
xor eax, dword [edx + esi*4 + 0x584658]
mov ecx, 0x400
imul edx, ecx, 6
mov ecx, dword [ebp - 4]
shr ecx, 0x10
and ecx, 0xff
xor eax, dword [edx + ecx*4 + 0x584658]
mov edx, 0x400
imul ecx, edx, 7
mov edx, dword [ebp - 4]
shr edx, 0x18
xor eax, dword [ecx + edx*4 + 0x584658]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x10]
sub eax, 4
mov dword [ebp + 0x10], eax
jmp 0x556231
mov ecx, dword [ebp - 8]
add ecx, 4
mov dword [ebp - 8], ecx
mov edx, dword [ebp - 8]
mov dword [ebp + 0xc], edx
cmp dword [ebp + 0x10], 0
je 0x556312
mov eax, 0x400
shl eax, 2
mov ecx, dword [ebp - 4]
shr ecx, 0x18
mov edx, dword [ebp + 0xc]
movzx edx, byte [edx]
xor ecx, edx
mov edx, dword [ebp - 4]
shl edx, 8
xor edx, dword [eax + ecx*4 + 0x584658]
mov dword [ebp - 4], edx
mov eax, dword [ebp + 0xc]
add eax, 1
mov dword [ebp + 0xc], eax
mov ecx, dword [ebp + 0x10]
sub ecx, 1
mov dword [ebp + 0x10], ecx
jne 0x5562d8
mov edx, dword [ebp - 4]
not edx
mov dword [ebp - 4], edx
mov eax, dword [ebp - 4]
shr eax, 0x18
mov ecx, dword [ebp - 4]
shr ecx, 8
and ecx, 0xff00
add eax, ecx
mov edx, dword [ebp - 4]
and edx, 0xff00
shl edx, 8
add eax, edx
mov ecx, dword [ebp - 4]
and ecx, 0xff
shl ecx, 0x18
add eax, ecx
pop esi
mov esp, ebp
pop ebp
ret