Function at 0x453020
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x45c
mov eax, dword [0x58f080]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
mov esi, 4
mov dword [ebp - 0x38], ecx
cmp dword [ecx + 0x18], esi
lea eax, [edx + 8]
push edi
cmovl esi, dword [ecx + 0x18]
xor ecx, ecx
mov dword [ebp - 0x30], edx
mov dword [ebp - 0x34], esi
mov dword [ebp - 0x20], ecx
cmp dword [eax - 8], 0
jne 0x45308b
cmp dword [eax - 4], 0
jne 0x453087
cmp dword [eax], 0
jne 0x453082
cmp dword [eax + 4], 0
jne 0x45307d
add ecx, 4
add eax, 0x10
mov dword [ebp - 0x20], ecx
cmp ecx, 0xff
jle 0x453053
jmp 0x45308b
add ecx, 3
jmp 0x453088
add ecx, 2
jmp 0x453088
inc ecx
mov dword [ebp - 0x20], ecx
mov eax, 0xff
mov dword [ebp - 0x2c], eax
cmp ecx, eax
jge 0x4530a5
cmp dword [edx + eax*4], 0
jne 0x4530a2
dec eax
cmp eax, ecx
jg 0x453097
mov dword [ebp - 0x2c], eax
mov ebx, eax
xor edi, edi
sub ebx, ecx
test esi, esi
jle 0x4530d4
lea eax, [esi + esi]
mov dword [ebp - 0x28], eax
lea eax, [ebx + ebx]
mov dword [ebp - 0x18], eax
jmp 0x4530c0
mov eax, ebx
add ebx, dword [ebp - 0x18]
cdq
idiv dword [ebp - 0x28]
add eax, ecx
mov dword [ebp + edi*4 - 0x14], eax
inc edi
cmp edi, esi
jl 0x4530c0
mov dword [ebp - 0x28], 0
jmp 0x4530e0
test esi, esi
jle 0x453104
lea edx, [esi*4]
xor eax, eax
mov ecx, edx
lea edi, [ebp - 0x48]
shr ecx, 2
rep stosd dword es:[edi], eax
shr edx, 2
lea edi, [ebp - 0x58]
mov ecx, edx
rep stosd dword es:[edi], eax
mov ecx, dword [ebp - 0x20]
xor edi, edi
mov ebx, ecx
cmp ecx, dword [ebp - 0x2c]
jg 0x45317c
mov eax, dword [ebp - 0x30]
lea edx, [eax + ecx*4]
lea eax, [ebp - 0x458]
mov dword [ebp - 0x1c], edx
sub eax, dword [ebp - 0x30]
mov dword [ebp - 0x24], eax
mov eax, dword [edx]
mov dword [ebp - 0x18], eax
test eax, eax
je 0x453170
lea ecx, [edi + 1]
cmp ecx, esi
jge 0x45315d
mov eax, ebx
sub eax, dword [ebp + edi*4 - 0x10]
cdq
mov esi, eax
mov eax, ebx
sub eax, dword [ebp + edi*4 - 0x14]
xor esi, edx
sub esi, edx
cdq
xor eax, edx
sub eax, edx
cmp esi, eax
mov esi, dword [ebp - 0x34]
jge 0x453157
inc ecx
inc edi
cmp ecx, esi
jl 0x453132
mov edx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x24]
imul eax, ebx
mov dword [ecx + edx], edi
add dword [ebp + edi*4 - 0x58], eax
mov eax, dword [edx]
add dword [ebp + edi*4 - 0x48], eax
inc ebx
add edx, 4
mov dword [ebp - 0x1c], edx
cmp ebx, dword [ebp - 0x2c]
jle 0x453122
xor ebx, ebx
xor ecx, ecx
xor edi, edi
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x1c], ebx
mov dword [ebp - 0x18], ecx
test esi, esi
jle 0x4531d6
nop
mov ebx, dword [ebp + edi*4 - 0x48]
test ebx, ebx
je 0x4531ce
mov eax, ebx
cdq
sub eax, edx
mov ecx, eax
mov eax, dword [ebp + edi*4 - 0x58]
sar ecx, 1
add eax, ecx
cdq
idiv ebx
mov ecx, eax
mov eax, dword [ebp + edi*4 - 0x14]
sub eax, ecx
mov dword [ebp + edi*4 - 0x14], ecx
cdq
xor eax, edx
sub eax, edx
add dword [ebp - 0x24], eax
mov eax, ebx
imul eax, ecx
mov ecx, dword [ebp - 0x18]
add dword [ebp - 0x1c], eax
add ecx, ebx
mov dword [ebp - 0x18], ecx
inc edi
cmp edi, esi
jl 0x453190
mov ebx, dword [ebp - 0x24]
mov eax, ecx
cdq
sub eax, edx
sar eax, 1
add eax, dword [ebp - 0x1c]
cdq
idiv ecx
mov dword [ebp - 0x18], eax
cmp ebx, 5
jl 0x4531fe
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0x20]
inc eax
mov dword [ebp - 0x28], eax
cmp eax, 6
jl 0x4530e0
mov ebx, dword [ebp - 0x38]
xor edi, edi
mov eax, dword [ebx + 0x2c]
imul eax, dword [ebx + 0x28]
test eax, eax
jle 0x453243
mov edi, edi
mov eax, dword [ebx + 0x5558]
lea edx, [eax + edi*8]
inc edi
movzx eax, byte [edx + 4]
mov ecx, dword [ebp + eax*4 - 0x458]
mov eax, ecx
shl eax, 5
xor eax, dword [edx]
and eax, 0x60
xor dword [edx], eax
mov al, byte [ebp + ecx*4 - 0x14]
mov byte [edx + 4], al
mov eax, dword [ebx + 0x2c]
imul eax, dword [ebx + 0x28]
cmp edi, eax
jl 0x453210
cmp esi, 1
jle 0x453257
mov eax, dword [ebx]
test byte [eax + 0x44], 1
je 0x453257
mov ecx, ebx
call fcn.00452b80
push dword [ebp - 0x18]
lea edx, [ebp - 0x14]
mov ecx, ebx
call fcn.00452db0
mov ecx, dword [ebp - 4]
add esp, 4
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.0049493f
mov esp, ebp
pop ebp
ret