Function at 0x453fc0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x30
mov eax, dword [ecx + 8]
mov dword [esp], edx
xor edx, edx
test eax, eax
mov dword [esp + 4], ecx
push esi
cmovle eax, edx
mov dword [esp + 0x14], 1
push edi
mov dword [esp + 0x14], eax
lea edi, [ecx + 0xc]
nop dword [eax + eax]
movsx eax, word [edi]
mov ecx, edi
imul eax, dword [esp + edx*4 + 0x18]
mov esi, edx
add edi, 4
mov dword [esp + edx*4 + 0x1c], eax
inc edx
cmp word [ecx + 2], 1
jne 0x453ff0
mov ecx, dword [esp + 0xc]
movsx eax, word [ecx + edx*4 + 0xa]
mov dword [esp + 0x10], eax
test esi, esi
js 0x454207
movss xmm6, dword [0x4a7e20]
movss xmm5, dword [0x4a7748]
lea edx, [esi*4]
test esi, esi
je 0x454042
movsx edi, word [edx + ecx + 0xa]
jmp 0x454047
mov edi, 1
movsx eax, word [ecx + esi*4 + 0xc]
add eax, 0xfffffffe
cmp eax, 3
ja case.default.0x454058
jmp dword [eax*4 + 0x454210]
mov edx, dword [esp + edx + 0x18]
test edx, edx
jle case.default.0x454058
mov eax, dword [esp + 8]
add eax, 0x28
movss xmm2, dword [eax - 0x28]
movss xmm3, dword [eax - 8]
movaps xmm0, xmm2
movss xmm4, dword [eax - 4]
subss xmm0, xmm3
addss xmm2, xmm3
movss dword [eax - 8], xmm0
movss xmm1, dword [eax - 0x24]
movaps xmm0, xmm1
addss xmm1, xmm4
subss xmm0, xmm4
movss dword [eax - 4], xmm0
movss xmm0, dword [eax - 0x20]
movss dword [eax - 0x28], xmm2
movss dword [eax - 0x24], xmm1
movss xmm4, dword [eax + 4]
movaps xmm3, xmm4
addss xmm3, dword [eax]
subss xmm4, dword [eax]
mulss xmm3, xmm5
mulss xmm4, xmm5
subss xmm0, xmm3
movss dword [eax], xmm0
movss xmm0, dword [eax - 0x1c]
subss xmm0, xmm4
movss dword [eax + 4], xmm0
addss xmm4, dword [eax - 0x1c]
addss xmm3, dword [eax - 0x20]
movss xmm2, dword [eax - 0x18]
movaps xmm0, xmm2
movss dword [eax - 0x1c], xmm4
movss dword [eax - 0x20], xmm3
movss xmm3, dword [eax + 0xc]
movss xmm4, dword [eax + 8]
subss xmm0, xmm3
xorps xmm4, xmm6
addss xmm2, xmm3
movss dword [eax + 8], xmm0
movss xmm0, dword [eax - 0x14]
subss xmm0, xmm4
movss dword [eax + 0xc], xmm0
addss xmm4, dword [eax - 0x14]
movss xmm0, dword [eax - 0x10]
movss dword [eax - 0x18], xmm2
movss dword [eax - 0x14], xmm4
movss xmm4, dword [eax + 0x14]
movaps xmm3, xmm4
xorps xmm4, xmm6
subss xmm3, dword [eax + 0x10]
subss xmm4, dword [eax + 0x10]
mulss xmm3, xmm5
mulss xmm4, xmm5
subss xmm0, xmm3
movss dword [eax + 0x10], xmm0
movss xmm0, dword [eax - 0xc]
subss xmm0, xmm4
movss dword [eax + 0x14], xmm0
addss xmm3, dword [eax - 0x10]
addss xmm4, dword [eax - 0xc]
movss dword [eax - 0x10], xmm3
movss dword [eax - 0xc], xmm4
add eax, 0x40
sub edx, 1
jne 0x454072
jmp case.default.0x454058
mov edx, dword [esp + edx + 0x18]
push edi
push edx
push dword [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x24]
shl edx, cl
mov ecx, dword [esp + 0x18]
call fcn.00453750
jmp 0x4541e3
mov edx, dword [esp + edx + 0x18]
push edi
push edx
push dword [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x24]
shl edx, cl
mov ecx, dword [esp + 0x18]
call fcn.00453a20
jmp 0x4541e3
mov edx, dword [esp + edx + 0x18]
push edi
push edx
push dword [esp + 0x18]
push ecx
mov ecx, dword [esp + 0x24]
shl edx, cl
mov ecx, dword [esp + 0x18]
call fcn.00453bb0
movss xmm5, dword [0x4a7748]
add esp, 0x10
movss xmm6, dword [0x4a7e20]
mov ecx, dword [esp + 0xc]
sub esi, 1
mov dword [esp + 0x10], edi
jns 0x454030
pop edi
pop esi
mov esp, ebp
pop ebp
ret