Function at 0x4df180
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, ecx
movss xmm2, dword [0x4fd2b0]
push esi
mov dword [ebp - 4], eax
mov dword [ebp - 0x14], edx
add edx, 0xffffffe4
mov esi, dword [eax]
mov eax, esi
sar eax, 1
sar esi, 2
mov dword [ebp - 0x10], eax
push edi
lea ecx, [eax*4]
add eax, esi
mov dword [ebp - 8], ecx
add ecx, edx
mov edx, dword [ebp + 8]
shl esi, 2
mov dword [ebp - 0xc], esi
lea edi, [edx + eax*4]
mov eax, dword [ebp - 4]
mov dword [ebp - 0x18], edi
mov edx, edi
mov eax, dword [eax + 8]
add eax, esi
mov esi, dword [ebp - 0x14]
movss xmm1, dword [ecx + 8]
sub edx, 0x10
mulss xmm1, dword [eax + 0xc]
movss xmm0, dword [ecx]
mulss xmm0, dword [eax + 8]
xorps xmm1, xmm2
subss xmm1, xmm0
movss dword [edx], xmm1
movss xmm1, dword [ecx]
mulss xmm1, dword [eax + 0xc]
movss xmm0, dword [ecx + 8]
mulss xmm0, dword [eax + 8]
subss xmm1, xmm0
movss dword [edx + 4], xmm1
movss xmm1, dword [ecx + 0x18]
mulss xmm1, dword [eax + 4]
movss xmm0, dword [ecx + 0x10]
mulss xmm0, dword [eax]
xorps xmm1, xmm2
subss xmm1, xmm0
movss dword [edx + 8], xmm1
movss xmm1, dword [eax + 4]
movss xmm0, dword [ecx + 0x18]
mulss xmm1, dword [ecx + 0x10]
sub ecx, 0x20
mulss xmm0, dword [eax]
add eax, 0x10
subss xmm1, xmm0
movss dword [edx + 0xc], xmm1
cmp ecx, esi
jae 0x4df1d1
mov ecx, dword [ebp - 4]
mov edx, edi
mov eax, dword [ebp - 8]
add eax, 0xffffffe0
add eax, esi
mov ecx, dword [ecx + 8]
add ecx, dword [ebp - 0xc]
nop word [eax + eax]
movss xmm1, dword [ecx - 8]
sub ecx, 0x10
mulss xmm1, dword [eax + 0x18]
movss xmm0, dword [ecx + 0xc]
mulss xmm0, dword [eax + 0x10]
addss xmm1, xmm0
movss dword [edx], xmm1
movss xmm1, dword [ecx + 8]
mulss xmm1, dword [eax + 0x10]
movss xmm0, dword [ecx + 0xc]
mulss xmm0, dword [eax + 0x18]
subss xmm1, xmm0
movss dword [edx + 4], xmm1
movss xmm1, dword [eax]
movss xmm0, dword [eax + 8]
mulss xmm1, dword [ecx + 4]
mulss xmm0, dword [ecx]
addss xmm1, xmm0
movss dword [edx + 8], xmm1
movss xmm1, dword [eax]
movss xmm0, dword [eax + 8]
sub eax, 0x20
mulss xmm1, dword [ecx]
mulss xmm0, dword [ecx + 4]
subss xmm1, xmm0
movss dword [edx + 0xc], xmm1
add edx, 0x10
cmp eax, esi
jae 0x4df270
mov eax, dword [ebp + 8]
add eax, dword [ebp - 8]
push dword [ebp - 0x10]
mov esi, dword [ebp - 4]
mov edx, eax
mov ecx, esi
mov dword [ebp - 0x1c], eax
call fcn.004df690
mov edx, dword [ebp + 8]
add esp, 4
mov ecx, esi
call fcn.004df4e0
mov ecx, dword [esi + 8]
mov eax, edi
mov esi, dword [ebp + 8]
add ecx, dword [ebp - 8]
movss xmm2, dword [0x4fd2b0]
lea edx, [esi + 0xc]
nop word [eax + eax]
movss xmm1, dword [ecx + 4]
sub edi, 0x10
mulss xmm1, dword [edx - 0xc]
movss xmm0, dword [edx - 8]
mulss xmm0, dword [ecx]
subss xmm1, xmm0
movss dword [edi + 0xc], xmm1
movss xmm1, dword [edx - 8]
mulss xmm1, dword [ecx + 4]
movss xmm0, dword [ecx]
mulss xmm0, dword [edx - 0xc]
addss xmm1, xmm0
xorps xmm1, xmm2
movss dword [eax], xmm1
movss xmm1, dword [edx - 4]
mulss xmm1, dword [ecx + 0xc]
movss xmm0, dword [ecx + 8]
mulss xmm0, dword [edx]
subss xmm1, xmm0
movss dword [edi + 8], xmm1
movss xmm1, dword [edx - 4]
mulss xmm1, dword [ecx + 8]
movss xmm0, dword [ecx + 0xc]
mulss xmm0, dword [edx]
addss xmm1, xmm0
xorps xmm1, xmm2
movss dword [eax + 4], xmm1
movss xmm1, dword [edx + 4]
mulss xmm1, dword [ecx + 0x14]
movss xmm0, dword [edx + 8]
mulss xmm0, dword [ecx + 0x10]
subss xmm1, xmm0
movss dword [edi + 4], xmm1
movss xmm1, dword [edx + 8]
mulss xmm1, dword [ecx + 0x14]
movss xmm0, dword [edx + 4]
mulss xmm0, dword [ecx + 0x10]
addss xmm1, xmm0
xorps xmm1, xmm2
movss dword [eax + 8], xmm1
movss xmm1, dword [edx + 0xc]
mulss xmm1, dword [ecx + 0x1c]
movss xmm0, dword [edx + 0x10]
mulss xmm0, dword [ecx + 0x18]
subss xmm1, xmm0
movss dword [edi], xmm1
movss xmm1, dword [edx + 0x10]
movss xmm0, dword [edx + 0xc]
add edx, 0x20
mulss xmm1, dword [ecx + 0x1c]
mulss xmm0, dword [ecx + 0x18]
add ecx, 0x20
addss xmm1, xmm0
xorps xmm1, xmm2
movss dword [eax + 0xc], xmm1
add eax, 0x10
mov dword [ebp + 8], eax
lea eax, [edx - 0xc]
cmp eax, edi
mov eax, dword [ebp + 8]
jb 0x4df330
mov edi, dword [ebp - 0x18]
lea edx, [esi + 8]
add edx, dword [ebp - 0xc]
mov eax, 2
sub eax, dword [ebp - 0x10]
mov ecx, edi
lea esi, [ecx + eax*4]
movss xmm0, dword [ecx - 4]
lea esi, [esi - 0x10]
sub ecx, 0x10
movss dword [esi + 4], xmm0
xorps xmm0, xmm2
lea edx, [edx + 0x10]
movss dword [edx - 0x18], xmm0
lea eax, [edx - 8]
movss xmm0, dword [ecx + 8]
movss dword [esi], xmm0
xorps xmm0, xmm2
movss dword [edx - 0x14], xmm0
movss xmm0, dword [ecx + 4]
movss dword [esi - 4], xmm0
xorps xmm0, xmm2
movss dword [edx - 0x10], xmm0
movss xmm0, dword [ecx]
movss dword [esi - 8], xmm0
xorps xmm0, xmm2
movss dword [edx - 0xc], xmm0
cmp eax, ecx
jb 0x4df451
mov edx, dword [ebp - 0x1c]
mov ecx, edi
nop dword [eax]
mov eax, dword [edi + 0xc]
lea edi, [edi + 0x10]
sub ecx, 0x10
mov dword [ecx], eax
mov eax, dword [edi - 8]
mov dword [ecx + 4], eax
mov eax, dword [edi - 0xc]
mov dword [ecx + 8], eax
mov eax, dword [edi - 0x10]
mov dword [ecx + 0xc], eax
cmp ecx, edx
ja 0x4df4b0
pop edi
pop esi
mov esp, ebp
pop ebp
ret