Function at 0x57c570
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x10
call fcn.0042ed50
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 0x57c825
jb 0x57c5b3
cmp ecx, 0xffffffe0
ja 0x57c825
cmp dword [esi + 0x16c], 0
mov dword [esi + 0x38], ecx
mov dword [esi + 0x3c], eax
je 0x57c5dc
lea edx, [esi + 0x60]
push edx
lea eax, [esi + 0x40]
push eax
call fcn.0057bbb0
add esp, 8
mov dword [esi + 0x16c], 0
movzx ecx, byte [esi + 0xd]
movzx edx, byte [esi + 0xe]
movzx eax, byte [esi + 0xf]
push ebx
movzx ebx, byte [esi + 0xc]
shl ebx, 8
or ebx, ecx
shl ebx, 8
or ebx, edx
shl ebx, 8
or ebx, eax
mov eax, dword [esi + 0x168]
push ebp
mov ebp, dword [esp + 0x28]
push edi
mov edi, dword [esp + 0x28]
mov dword [esp + 0x24], eax
test eax, eax
je 0x57c668
jmp 0x57c624
mov eax, dword [esp + 0x24]
cmp dword [esp + 0x30], 0
je 0x57c64c
mov cl, byte [edi]
mov dl, byte [eax + esi + 0x10]
dec dword [esp + 0x30]
xor dl, cl
mov byte [ebp], dl
xor byte [eax + esi + 0x40], cl
inc eax
inc edi
inc ebp
and eax, 0xf
mov dword [esp + 0x24], eax
jne 0x57c620
jmp 0x57c654
test eax, eax
jne 0x57c815
lea eax, [esi + 0x60]
push eax
lea ecx, [esi + 0x40]
push ecx
call fcn.0057bbb0
mov eax, dword [esp + 0x2c]
add esp, 8
mov ecx, dword [esp + 0x30]
cmp ecx, 0xc00
jb 0x57c719
mov eax, 0xaaaaaaab
mul ecx
shr edx, 0xb
mov dword [esp + 0x1c], edx
push 0xc00
lea eax, [esi + 0x60]
push eax
lea eax, [esi + 0x40]
push eax
mov ecx, edi
call fcn.0057bd30
add esp, 0xc
mov dword [esp + 0x18], 0xc0
mov edx, dword [esp + 0x10]
push edx
lea eax, [esi + 0x10]
push eax
push esi
call dword [esp + 0x20]
inc ebx
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 [esi + 0x10]
xor eax, dword [edi]
add esp, 0xc
mov dword [ebp], eax
mov ecx, dword [edi + 4]
xor ecx, dword [esi + 0x14]
add ebp, 0x10
mov dword [ebp - 0xc], ecx
mov edx, dword [edi + 8]
xor edx, dword [esi + 0x18]
add edi, 0x10
mov dword [ebp - 8], edx
mov eax, dword [edi - 4]
xor eax, dword [esi + 0x1c]
sub dword [esp + 0x18], 1
mov dword [ebp - 4], eax
jne 0x57c6a5
sub dword [esp + 0x30], 0xc00
sub dword [esp + 0x1c], 1
jne 0x57c686
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0x30]
and ecx, 0xfffffff0
je 0x57c7b6
push ecx
lea ecx, [esi + 0x60]
push ecx
lea edx, [esi + 0x40]
push edx
mov ecx, edi
call fcn.0057bd30
add esp, 0xc
cmp dword [esp + 0x30], 0x10
jb 0x57c7b2
mov eax, dword [esp + 0x30]
shr eax, 4
mov dword [esp + 0x1c], eax
jmp 0x57c750
mov eax, dword [esp + 0x10]
push eax
lea eax, [esi + 0x10]
push eax
push esi
call dword [esp + 0x20]
inc ebx
mov byte [esi + 0xf], bl
sub dword [esp + 0x3c], 0x10
mov ecx, ebx
shr ecx, 0x18
mov byte [esi + 0xc], cl
mov edx, ebx
shr edx, 0x10
mov byte [esi + 0xd], dl
mov eax, ebx
shr eax, 8
mov byte [esi + 0xe], al
mov ecx, dword [esi + 0x10]
xor ecx, dword [edi]
add esp, 0xc
mov dword [ebp], ecx
mov edx, dword [edi + 4]
xor edx, dword [esi + 0x14]
add ebp, 0x10
mov dword [ebp - 0xc], edx
mov eax, dword [edi + 8]
xor eax, dword [esi + 0x18]
add edi, 0x10
mov dword [ebp - 8], eax
mov ecx, dword [edi - 4]
xor ecx, dword [esi + 0x1c]
sub dword [esp + 0x1c], 1
mov dword [ebp - 4], ecx
jne 0x57c750
mov eax, dword [esp + 0x24]
cmp dword [esp + 0x30], 0
je 0x57c815
mov edx, dword [esp + 0x10]
push edx
lea eax, [esi + 0x10]
push eax
push esi
call dword [esp + 0x20]
inc ebx
mov eax, ebx
shr eax, 8
mov ecx, ebx
shr ecx, 0x18
mov edx, ebx
shr edx, 0x10
mov byte [esi + 0xe], al
mov eax, dword [esp + 0x30]
add esp, 0xc
mov byte [esi + 0xc], cl
mov byte [esi + 0xd], dl
mov byte [esi + 0xf], bl
lea ecx, [eax + ebp]
sub edi, ebp
mov dl, byte [edi + ecx]
mov bl, byte [esi + eax + 0x10]
mov ebp, dword [esp + 0x30]
xor byte [esi + eax + 0x40], dl
xor bl, dl
dec ebp
mov byte [ecx], bl
inc eax
inc ecx
mov dword [esp + 0x30], ebp
test ebp, ebp
jne 0x57c7f3
mov dword [esp + 0x24], eax
pop edi
pop ebp
mov dword [esi + 0x168], eax
pop ebx
xor eax, eax
pop esi
add esp, 0x10
ret
or eax, 0xffffffff
pop esi
add esp, 0x10
ret