Function at 0x457b90
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ebp
push esi
mov esi, dword [esp + 0x14]
mov ebp, ecx
mov dword [esp + 8], ebp
mov dword [ebp + 4], 0
mov dword [ebp], 0
mov eax, esi
cmp esi, 0x8000
jb 0x457bba
mov eax, 0x8000
push ebx
push edi
mov edi, dword [esp + 0x18]
push eax
mov eax, dword [ebp + 8]
push edi
push eax
call fcn.004a5490
mov eax, 1
add esp, 0xc
xor bl, bl
cmp esi, eax
jbe 0x457be8
lea esp, [esp]
xor bl, byte [eax + edi]
inc eax
cmp eax, esi
jb 0x457be0
push 8
mov ecx, ebp
call fcn.00435d70
mov esi, dword [esp + 0x20]
mov dword [esi + 0x10], 0
cmp bl, byte [edi]
jne 0x457ed7
mov ebx, dword [esp + 0x1c]
push ebx
push edi
push 0xffffffffffffffff
call fcn.00420a10
xor edx, edx
not eax
xor ecx, ecx
cmp dword [ecx + 0x4cb4cc], eax
jne 0x457c27
cmp dword [ecx + 0x4cb4c8], ebx
je 0x457c35
add ecx, 0xc
inc edx
cmp ecx, 0x54
jb 0x457c17
jmp 0x457cc1
lea ecx, [edx + edx*2]
mov ebx, dword [ecx*4 + 0x4cb4d0]
test ebx, ebx
je 0x457cc1
inc dword [esi + 4]
mov ecx, dword [esi + 4]
mov eax, dword [esi + 8]
cmp ecx, eax
jbe 0x457c89
mov edx, eax
shr edx, 2
lea eax, [edx + eax + 0x20]
mov edi, ecx
cmp ecx, eax
ja 0x457c61
mov edi, eax
mov ecx, dword [esi]
lea eax, [edi + edi*4]
add eax, eax
add eax, eax
add eax, eax
push eax
push ecx
call fcn.004a4ddd
add esp, 8
mov dword [esi], eax
test eax, eax
jne 0x457c86
mov ecx, 0x4d76b4
call fcn.00429090
mov dword [esi + 8], edi
mov eax, dword [esi + 0x10]
mov ecx, dword [esi]
lea edx, [eax + 1]
mov dword [esi + 0x10], edx
lea eax, [eax + eax*4]
lea eax, [ecx + eax*8]
lea ecx, [eax + 0xc]
mov dword [ecx], ebx
mov dword [eax + 0x14], ecx
mov ecx, 3
lea edx, [eax + 0x1c]
mov dword [eax], 0x36
mov dword [eax + 0x24], edx
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
mov dword [esp + 0x1c], 0
mov ecx, ebp
call fcn.00435d90
push 1
mov ecx, ebp
mov edi, eax
call fcn.00435d70
test edi, 0x8000
je 0x457d6b
push ebp
call fcn.00456820
mov ecx, dword [esp + 0x1c]
inc eax
xor ebx, ebx
mov dword [esp + 0x18], eax
cmp dword [ebp], ecx
jae 0x457ed7
jmp 0x457d04
mov eax, dword [esp + 0x18]
cmp ebx, eax
jae 0x457d6b
inc dword [esi + 0x24]
mov ecx, dword [esi + 0x24]
mov eax, dword [esi + 0x28]
cmp ecx, eax
jbe 0x457d47
mov edx, eax
shr edx, 2
lea eax, [edx + eax + 0x20]
mov edi, ecx
cmp ecx, eax
ja 0x457d26
mov edi, eax
mov eax, dword [esi + 0x20]
push edi
push eax
call fcn.004a4ddd
add esp, 8
mov dword [esi + 0x20], eax
test eax, eax
jne 0x457d44
mov ecx, 0x4d76b4
call fcn.00429090
mov dword [esi + 0x28], edi
mov edi, dword [esi + 0x20]
mov ecx, ebp
add edi, ebx
call fcn.00435d90
shr eax, 8
push 8
mov ecx, ebp
mov byte [edi], al
call fcn.00435d70
mov ecx, dword [esp + 0x1c]
inc ebx
cmp dword [ebp], ecx
jb 0x457d00
mov edx, dword [esp + 0x1c]
cmp dword [ebp], edx
jae 0x457ed7
jmp 0x457d80
inc dword [esi + 4]
mov ecx, dword [esi + 4]
mov eax, dword [esi + 8]
cmp ecx, eax
jbe 0x457dc6
mov edx, eax
shr edx, 2
lea eax, [edx + eax + 0x20]
mov edi, ecx
cmp ecx, eax
ja 0x457d9e
mov edi, eax
mov ecx, dword [esi]
lea eax, [edi + edi*4]
add eax, eax
add eax, eax
add eax, eax
push eax
push ecx
call fcn.004a4ddd
add esp, 8
mov dword [esi], eax
test eax, eax
jne 0x457dc3
mov ecx, 0x4d76b4
call fcn.00429090
mov dword [esi + 8], edi
mov eax, dword [esi + 0x10]
lea edx, [eax + eax*4]
mov eax, dword [esi]
mov ecx, ebp
lea edi, [eax + edx*8]
call fcn.00435d90
mov ecx, ebp
test eax, 0x8000
jne 0x457de8
shr eax, 0xc
push 4
jmp 0x457df0
shr eax, 0xa
sub eax, 0x18
push 6
mov dword [edi], eax
call fcn.00435d70
mov ecx, dword [edi]
test byte [ecx + 0x4cb49c], 4
je 0x457e1f
mov ecx, ebp
call fcn.00435d90
test eax, 0xffff8000
setne dl
push 1
mov ecx, ebp
mov byte [edi + 4], dl
call fcn.00435d70
jmp 0x457e23
mov byte [edi + 4], 0
lea eax, [edi + 0x18]
mov dword [eax], 3
mov dword [esp + 0x18], eax
mov eax, dword [edi]
lea ebx, [edi + 8]
mov dword [ebx], 3
movzx ebp, byte [eax + 0x4cb49c]
and ebp, 3
mov eax, 0
mov dword [edi + 0x24], eax
mov dword [edi + 0x14], eax
jle 0x457ec2
movzx ecx, byte [edi + 4]
push ecx
mov ecx, dword [esp + 0x14]
push ebx
call fcn.00456a20
cmp ebp, 2
jne 0x457e7b
movzx edx, byte [edi + 4]
mov eax, dword [esp + 0x18]
mov ecx, dword [esp + 0x10]
push edx
push eax
call fcn.00456a20
jmp 0x457ec2
cmp dword [ebx], 1
jne 0x457ec2
mov ecx, dword [edi]
test byte [ecx + 0x4cb49c], 0x18
je 0x457ec2
mov eax, dword [edi + 0xc]
cmp eax, 0x100
jl 0x457e9c
sub eax, 0x100
jmp 0x457ebf
cmp eax, 0x88
jl 0x457eaa
sub eax, 0x108
jmp 0x457ebc
cmp eax, 0x10
jl 0x457eb4
sub eax, 8
jmp 0x457ebc
cmp eax, 8
jl 0x457ebc
sub eax, 0x10
add eax, dword [esi + 0x10]
mov dword [edi + 0xc], eax
mov eax, dword [esp + 0x10]
mov edx, dword [esp + 0x1c]
inc dword [esi + 0x10]
mov ebp, eax
cmp dword [eax], edx
jb 0x457d80
inc dword [esi + 4]
mov ecx, dword [esi + 4]
mov eax, dword [esi + 8]
cmp ecx, eax
jbe 0x457f1b
mov edx, eax
shr edx, 2
lea edi, [edx + eax + 0x20]
cmp ecx, edi
jbe 0x457ef3
mov edi, ecx
mov ecx, dword [esi]
lea eax, [edi + edi*4]
add eax, eax
add eax, eax
add eax, eax
push eax
push ecx
call fcn.004a4ddd
add esp, 8
mov dword [esi], eax
test eax, eax
jne 0x457f18
mov ecx, 0x4d76b4
call fcn.00429090
mov dword [esi + 8], edi
mov eax, dword [esi + 0x10]
mov ecx, dword [esi]
lea edx, [eax + 1]
mov dword [esi + 0x10], edx
lea eax, [eax + eax*4]
lea eax, [ecx + eax*8]
lea ecx, [eax + 0x1c]
mov dword [eax + 0x24], ecx
mov ecx, 3
mov dword [eax + 0x18], ecx
mov dword [eax + 8], ecx
lea edx, [eax + 0xc]
xor ecx, ecx
mov dword [eax], 0x16
mov dword [eax + 0x14], edx
cmp dword [esi + 0x10], ecx
jle 0x457f77
xor edx, edx
mov eax, dword [esi]
add eax, edx
cmp dword [eax + 0x14], 0
jne 0x457f62
lea edi, [eax + 0xc]
mov dword [eax + 0x14], edi
cmp dword [eax + 0x24], 0
jne 0x457f6e
lea edi, [eax + 0x1c]
mov dword [eax + 0x24], edi
inc ecx
add edx, 0x28
cmp ecx, dword [esi + 0x10]
jl 0x457f52
cmp dword [esp + 0x1c], 0
pop edi
pop ebx
je 0x457f88
push esi
mov ecx, ebp
call fcn.00456b20
pop esi
pop ebp
pop ecx
ret 0xc