Function at 0x4dda80
Capabilities:
Encode data using xor

Disassembly:
sub esp, 8
push esi
mov esi, dword [esp + 0x10]
test esi, esi
mov dword [esp + 4], 0
jne 0x4dda9e
mov eax, 0xffffff9a
pop esi
add esp, 8
ret
push ebx
mov ebx, dword [esi + 0x9c]
test ebx, ebx
jne 0x4ddab4
pop ebx
mov eax, 0xffffff9a
pop esi
add esp, 8
ret
cmp dword [ebx], 0
jne 0x4ddac4
pop ebx
mov eax, 0xffffff9c
pop esi
add esp, 8
ret
mov eax, dword [esp + 0x1c]
test eax, eax
jne 0x4ddad2
pop ebx
pop esi
add esp, 8
ret
mov ecx, dword [esp + 0x18]
mov dword [ebx + 0x10], ecx
mov ecx, dword [ebx + 0x5c]
cmp eax, ecx
mov dword [ebx + 0x14], eax
jbe 0x4ddaf0
mov edx, dword [ebx + 0x8c]
test edx, edx
jne 0x4ddaf0
mov dword [ebx + 0x14], ecx
mov edx, dword [ebx + 0x58]
mov ecx, dword [ebx + 8]
add ecx, edx
cmp eax, ecx
jbe 0x4ddb09
mov eax, dword [ebx + 0x8c]
test eax, eax
je 0x4ddb09
mov dword [ebx + 0x14], ecx
mov eax, dword [ebx + 0x14]
test eax, eax
push ebp
push edi
jbe 0x4ddd1a
jmp 0x4ddb20
mov eax, dword [ebx + 8]
test eax, eax
jne 0x4ddc08
mov eax, dword [ebx + 0x58]
test eax, eax
jbe 0x4ddc08
mov edi, 0x4000
cmp eax, edi
mov dword [esp + 0x14], edi
jae 0x4ddb49
mov dword [esp + 0x14], eax
mov edi, eax
mov eax, dword [ebx + 0x3c]
mov edx, dword [ebx + 0x88]
mov ecx, dword [ebx + 0x7c]
push 0
add edx, eax
mov eax, dword [ebx + 0x80]
push edx
push eax
push ecx
call dword [ebx + 0x70]
add esp, 0x10
test eax, eax
jne 0x4ddd26
mov edx, dword [ebx]
mov eax, dword [ebx + 0x80]
mov ecx, dword [ebx + 0x7c]
push edi
push edx
push eax
push ecx
call dword [ebx + 0x64]
add esp, 0x10
cmp eax, edi
jne 0x4ddd26
mov eax, dword [esi + 0xa0]
test eax, eax
je 0x4ddbf0
xor ebp, ebp
test edi, edi
jbe 0x4ddbf0
add esi, 0xa4
mov ecx, dword [esp + 0x1c]
mov eax, dword [ecx + 0xac]
mov edx, dword [ebx]
and eax, 0xfffd
or eax, 2
lea edi, [edx + ebp]
mov edx, eax
xor edx, 1
imul edx, eax
mov al, byte [edi]
shr edx, 8
xor al, dl
mov byte [edi], al
mov eax, dword [ebx]
movsx eax, byte [eax + ebp]
mov edi, dword [ecx + 0xb0]
call fcn.004dce40
mov ecx, dword [ebx]
mov byte [ecx + ebp], al
mov eax, dword [esp + 0x14]
inc ebp
cmp ebp, eax
jb 0x4ddba3
mov esi, dword [esp + 0x1c]
mov edi, eax
mov ecx, dword [ebx + 0x3c]
mov eax, dword [ebx + 0x58]
mov edx, dword [ebx]
add ecx, edi
sub eax, edi
mov dword [ebx + 0x3c], ecx
mov dword [ebx + 0x58], eax
mov dword [ebx + 4], edx
mov dword [ebx + 8], edi
mov eax, dword [ebx + 0x84]
test eax, eax
je 0x4ddc8c
mov eax, dword [ebx + 0x8c]
test eax, eax
jne 0x4ddc8c
mov eax, dword [ebx + 0x10]
mov esi, dword [ebx + 0x18]
lea ecx, [ebx + 4]
push 2
push ecx
mov dword [esp + 0x1c], eax
call fcn.004c7a50
mov ebp, eax
add esp, 8
test ebp, ebp
jl 0x4ddc46
mov eax, dword [ebx + 0x1c]
test eax, eax
je 0x4ddc46
mov ebp, 0xfffffffd
mov edi, dword [ebx + 0x18]
mov edx, dword [esp + 0x14]
mov eax, dword [ebx + 0x50]
sub edi, esi
push edi
push edx
push eax
call fcn.004c77c0
mov edx, dword [ebx + 0x5c]
mov ecx, dword [esp + 0x1c]
sub edx, edi
add ecx, edi
add esp, 0xc
cmp ebp, 1
mov dword [ebx + 0x50], eax
mov dword [ebx + 0x5c], edx
mov dword [esp + 0x10], ecx
je 0x4ddd1a
test ebp, ebp
jne 0x4ddd31
mov esi, dword [esp + 0x1c]
jmp 0x4ddd0f
mov eax, dword [ebx + 8]
test eax, eax
jne 0x4ddc9e
mov ecx, dword [ebx + 0x58]
test ecx, ecx
je 0x4ddd1a
mov edi, dword [ebx + 0x14]
cmp edi, eax
jb 0x4ddca7
mov edi, eax
xor eax, eax
test edi, edi
jbe 0x4ddcc1
lea ecx, [ecx]
mov ecx, dword [ebx + 4]
mov cl, byte [eax + ecx]
mov edx, dword [ebx + 0x10]
mov byte [eax + edx], cl
inc eax
cmp eax, edi
jb 0x4ddcb0
mov edx, dword [ebx + 0x10]
mov eax, dword [ebx + 0x50]
push edi
push edx
push eax
call fcn.004c77c0
mov edx, dword [ebx + 0x5c]
mov ecx, dword [ebx + 8]
mov ebp, dword [ebx + 0x10]
mov dword [ebx + 0x50], eax
mov eax, dword [ebx + 0x14]
sub edx, edi
sub ecx, edi
sub eax, edi
mov dword [ebx + 0x5c], edx
mov edx, dword [ebx + 4]
mov dword [ebx + 8], ecx
mov ecx, dword [ebx + 0x18]
mov dword [ebx + 0x14], eax
mov eax, dword [esp + 0x1c]
add ebp, edi
add edx, edi
add ecx, edi
add esp, 0xc
add eax, edi
mov dword [ebx + 0x10], ebp
mov dword [ebx + 4], edx
mov dword [ebx + 0x18], ecx
mov dword [esp + 0x10], eax
mov eax, dword [ebx + 0x14]
test eax, eax
ja 0x4ddb20
mov eax, dword [esp + 0x10]
pop edi
pop ebp
pop ebx
pop esi
add esp, 8
ret
pop edi
pop ebp
pop ebx
or eax, 0xffffffff
pop esi
add esp, 8
ret
pop edi
mov eax, ebp
pop ebp
pop ebx
pop esi
add esp, 8
ret