Function at 0x1004ff10
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x10
call fcn.10033890
push esi
mov esi, dword [esp + 0x18]
mov ecx, dword [esi + 0x174]
mov eax, dword [esi + 0x170]
mov dword [esp + 4], ecx
mov ecx, dword [esp + 0x24]
mov dword [esp + 8], eax
xor eax, eax
add ecx, dword [esi + 0x38]
adc eax, dword [esi + 0x3c]
cmp eax, 0xf
ja 0x100501d6
jb 0x1004ff53
cmp ecx, 0xffffffe0
ja 0x100501d6
cmp dword [esi + 0x16c], 0
mov dword [esi + 0x38], ecx
mov dword [esi + 0x3c], eax
je 0x1004ff7c
lea edx, [esi + 0x60]
push edx
lea eax, [esi + 0x40]
push eax
call fcn.1004f820
add esp, 8
mov dword [esi + 0x16c], 0
movzx ecx, byte [esi + 0xe]
movzx edx, byte [esi + 0xf]
push ebx
xor ebx, ebx
mov bh, byte [esi + 0xc]
push ebp
mov ebp, dword [esp + 0x24]
push edi
mov edi, dword [esp + 0x2c]
mov bl, byte [esi + 0xd]
shl ebx, 8
or ebx, ecx
mov ecx, dword [esi + 0x168]
shl ebx, 8
or ebx, edx
test ecx, ecx
mov dword [esp + 0x24], ecx
je 0x1004fffe
jmp 0x1004ffb5
mov ecx, dword [esp + 0x24]
cmp dword [esp + 0x30], 0
je 0x1004ffe2
mov al, byte [ecx + esi + 0x10]
xor al, byte [ebp]
sub dword [esp + 0x30], 1
mov byte [edi], al
xor byte [ecx + esi + 0x40], al
add ecx, 1
add edi, 1
add ebp, 1
and ecx, 0xf
mov dword [esp + 0x24], ecx
jne 0x1004ffb1
jmp 0x1004ffea
test ecx, ecx
jne 0x100501c6
lea eax, [esi + 0x60]
push eax
lea ecx, [esi + 0x40]
push ecx
call fcn.1004f820
mov ecx, dword [esp + 0x2c]
add esp, 8
mov edx, dword [esp + 0x30]
cmp edx, 0xc00
jb 0x100500bd
mov eax, 0xaaaaaaab
mul edx
shr edx, 0xb
mov dword [esp + 0x1c], edx
lea esp, [esp]
mov dword [esp + 0x18], 0xc0
mov edx, dword [esp + 0x10]
push edx
lea eax, [esi + 0x10]
push eax
push esi
call dword [esp + 0x20]
add ebx, 1
mov byte [esi + 0xf], bl
mov eax, ebx
shr eax, 0x18
mov byte [esi + 0xc], al
mov ecx, ebx
shr ecx, 0x10
mov byte [esi + 0xd], cl
mov edx, ebx
shr edx, 8
mov byte [esi + 0xe], dl
mov eax, dword [ebp]
xor eax, dword [esi + 0x10]
add esp, 0xc
mov dword [edi], eax
mov ecx, dword [ebp + 4]
xor ecx, dword [esi + 0x14]
add edi, 0x10
mov dword [edi - 0xc], ecx
mov edx, dword [ebp + 8]
xor edx, dword [esi + 0x18]
add ebp, 0x10
mov dword [edi - 8], edx
mov eax, dword [ebp - 4]
xor eax, dword [esi + 0x1c]
sub dword [esp + 0x18], 1
mov dword [edi - 4], eax
jne 0x10050028
push 0xc00
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
lea ecx, [edi - 0xc00]
push eax
call fcn.1004f9a0
sub dword [esp + 0x3c], 0xc00
add esp, 0xc
sub dword [esp + 0x1c], 1
jne 0x10050020
mov ecx, dword [esp + 0x24]
mov edx, dword [esp + 0x30]
mov eax, edx
and eax, 0xfffffff0
mov dword [esp + 0x18], eax
je 0x1005015d
cmp edx, 0x10
jb 0x10050140
shr edx, 4
mov dword [esp + 0x1c], edx
mov ecx, dword [esp + 0x10]
push ecx
lea eax, [esi + 0x10]
push eax
push esi
call dword [esp + 0x20]
add ebx, 1
mov byte [esi + 0xf], bl
sub dword [esp + 0x3c], 0x10
mov edx, ebx
shr edx, 0x18
mov byte [esi + 0xc], dl
mov eax, ebx
shr eax, 0x10
mov byte [esi + 0xd], al
mov ecx, ebx
shr ecx, 8
mov byte [esi + 0xe], cl
mov edx, dword [ebp]
xor edx, dword [esi + 0x10]
add esp, 0xc
mov dword [edi], edx
mov eax, dword [ebp + 4]
xor eax, dword [esi + 0x14]
add edi, 0x10
mov dword [edi - 0xc], eax
mov ecx, dword [ebp + 8]
xor ecx, dword [esi + 0x18]
add ebp, 0x10
mov dword [edi - 8], ecx
mov edx, dword [ebp - 4]
xor edx, dword [esi + 0x1c]
sub dword [esp + 0x1c], 1
mov dword [edi - 4], edx
jne 0x100500d8
mov eax, dword [esp + 0x18]
push eax
mov ecx, edi
sub ecx, eax
lea eax, [esi + 0x60]
push eax
lea edx, [esi + 0x40]
push edx
call fcn.1004f9a0
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x3c]
add esp, 0xc
test edx, edx
je 0x100501c6
mov eax, dword [esp + 0x10]
push eax
lea ecx, [esi + 0x10]
push ecx
push esi
call dword [esp + 0x20]
add ebx, 1
mov ecx, ebx
shr ecx, 8
mov edx, ebx
shr edx, 0x18
mov eax, ebx
shr eax, 0x10
mov byte [esi + 0xe], cl
mov ecx, dword [esp + 0x30]
add esp, 0xc
mov byte [esi + 0xc], dl
mov byte [esi + 0xd], al
mov byte [esi + 0xf], bl
lea edx, [ecx + edi]
sub ebp, edi
lea esp, [esp]
mov al, byte [esi + ecx + 0x10]
xor al, byte [edx + ebp]
mov edi, dword [esp + 0x30]
mov byte [edx], al
xor byte [esi + ecx + 0x40], al
sub edi, 1
add ecx, 1
add edx, 1
test edi, edi
mov dword [esp + 0x30], edi
jne 0x100501a0
mov dword [esp + 0x24], ecx
pop edi
pop ebp
pop ebx
mov dword [esi + 0x168], ecx
xor eax, eax
pop esi
add esp, 0x10
ret
or eax, 0xffffffff
pop esi
add esp, 0x10
ret