Function at 0x521240
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0xa0
call fcn.005dfc90
mov eax, dword [0x6a7d40]
xor eax, esp
mov dword [esp + 0x9c], eax
mov eax, dword [esp + 0xa8]
mov ecx, dword [esp + 0xa4]
push ebx
mov ebx, dword [esp + 0xb4]
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0xb0]
push ebp
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0xbc]
push esi
mov esi, dword [esp + 0xc4]
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0xcc]
push edi
mov edi, dword [esp + 0xd8]
push ecx
mov ebp, dword [eax]
mov dword [esp + 0x28], ecx
mov dword [esp + 0x2c], eax
mov dword [esp + 0x1c], edi
call fcn.004e9040
push ebp
push 0
push edi
mov dword [esp + 0x2c], eax
call fcn.00539f40
add esp, 0x10
test eax, eax
je 0x521471
mov edi, dword [esp + 0xcc]
inc ebp
test edi, edi
mov edi, dword [esp + 0x10]
je 0x5212f4
push 0
push esi
push edi
push dword [esp + 0x28]
call fcn.0046e7b0
add esp, 0x10
test eax, eax
jle 0x521472
push esi
push edi
push ebx
call fcn.005e1090
push esi
lea eax, [esp + 0x7c]
push edi
push eax
call fcn.005e1090
lea eax, [esi - 1]
add esp, 0x18
test eax, eax
js 0x52131d
add byte [ebx + eax], 1
jne 0x52131d
sub eax, 1
jns 0x521312
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x34]
push 0
push eax
push esi
push edi
call fcn.004af720
add esp, 0x18
test eax, eax
je 0x521472
push 0
push dword [esp + 0x18]
lea eax, [esp + 0x74]
push 0
push eax
push esi
push ebx
call fcn.004af720
add esp, 0x18
test eax, eax
je 0x521472
xor eax, eax
test esi, esi
jle 0x52141d
cmp esi, 8
jb 0x521410
cmp esi, 0x40
jb 0x5213df
mov ecx, esi
and ecx, 0xffffffc0
nop dword [eax + eax]
movups xmm0, xmmword [esp + eax + 0x2c]
movups xmm1, xmmword [esp + eax + 0x6c]
xorps xmm1, xmm0
movups xmmword [esp + eax + 0x2c], xmm1
movups xmm0, xmmword [esp + eax + 0x3c]
movups xmm1, xmmword [esp + eax + 0x7c]
xorps xmm1, xmm0
movups xmmword [esp + eax + 0x3c], xmm1
movups xmm0, xmmword [esp + eax + 0x4c]
movups xmm1, xmmword [esp + eax + 0x8c]
xorps xmm1, xmm0
movups xmmword [esp + eax + 0x4c], xmm1
movups xmm0, xmmword [esp + eax + 0x5c]
movups xmm1, xmmword [esp + eax + 0x9c]
xorps xmm1, xmm0
movups xmmword [esp + eax + 0x5c], xmm1
add eax, 0x40
cmp eax, ecx
jl 0x521380
mov ecx, esi
and cl, 0x3f
cmp cl, 8
jb 0x52140c
mov ecx, esi
and ecx, 0xfffffff8
nop dword [eax]
nop dword [eax + eax]
movq xmm0, qword [esp + eax + 0x2c]
movq xmm1, qword [esp + eax + 0x6c]
xorps xmm1, xmm0
movq qword [esp + eax + 0x2c], xmm1
add eax, 8
cmp eax, ecx
jl 0x5213f0
cmp eax, esi
jge 0x52141d
mov cl, byte [esp + eax + 0x6c]
xor byte [esp + eax + 0x2c], cl
inc eax
cmp eax, esi
jl 0x521410
mov edi, dword [esp + 0x20]
lea eax, [esp + 0x2c]
or byte [esp + 0x2c], 0x80
or byte [esp + esi + 0x2b], 1
push edi
push esi
push eax
call fcn.00499f50
add esp, 0xc
test eax, eax
je 0x521472
push dword [esp + 0x18]
push dword [esp + 0x28]
push edi
call fcn.00539f90
add esp, 0xc
test eax, eax
jg 0x521493
jne 0x521472
push ebp
push 0
push dword [esp + 0x20]
mov edi, 1
call fcn.00539f40
add esp, 0xc
test eax, eax
jne 0x5212d3
inc ebp
xor eax, eax
mov ecx, dword [esp + 0x28]
pop edi
pop esi
mov dword [ecx], ebp
mov ecx, dword [esp + 0xa4]
pop ebp
pop ebx
xor ecx, esp
call fcn.005df387
add esp, 0xa0
ret
mov eax, 1
jmp 0x521474