Function at 0x1df530
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0x80
mov esi, ecx
mov ebx, dword [ebp + 0x1c]
mov eax, dword [ecx + 4]
test eax, eax
je 0x1df559
cmp eax, 2
je 0x1df5d6
jmp 0x1df720
push 0xfb1631b0
push dword [0x1f1b94]
call fcn.001e47c0
add esp, 8
test eax, eax
je 0x1df59a
mov ecx, dword [esi]
test ecx, ecx
je 0x1df5ca
mov dword [esp + 0x10], 0
lea edx, [esp + 0x10]
push edx
push ecx
call eax
test eax, eax
je 0x1df5a6
cmp dword [esp + 0x10], 0
je 0x1df5a6
mov dword [esi + 4], 3
jmp 0x1df5ca
mov dword [esi + 4], 1
jmp 0x1df720
lea eax, [esp + 0x48]
push eax
call fcn.001e50f0
add esp, 4
test al, al
je 0x1df5ca
mov eax, dword [esp + 0x48]
mov ecx, 2
cmp eax, 3
je 0x1df5c7
mov ecx, eax
mov dword [esi + 4], ecx
mov eax, dword [esi + 4]
cmp eax, 2
jne 0x1df720
mov edi, dword [ebp + 0xc]
mov dword [esp + 0x10], 0xd20def16
mov dword [esp + 0x14], 0xf7d1e9e3
mov dword [esp + 0x18], 0xdae6e5e3
mov dword [esp + 0x1c], 0xee05ebf7
mov dword [esp + 0x20], 0x261c1ae7
mov byte [esp + 0x24], 0xa8
mov dword [esp + 0x25], 0
mov dword [esp + 0x28], 0
mov dword [esp + 8], 0
mov eax, dword [esp + 8]
cmp eax, 0x1b
ja 0x1df66e
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 8]
mov ecx, dword [esp + 8]
movzx ecx, byte [esp + ecx + 0x10]
mov edx, eax
xor edx, 0x2a460bef
and eax, 0x2a460bef
lea eax, [edx + eax*2]
xor eax, ecx
mov dword [esp + 0x48], eax
mov eax, dword [esp + 0x48]
add al, 0x55
mov ecx, dword [esp + 8]
mov byte [esp + ecx + 0x10], al
inc dword [esp + 8]
mov eax, dword [esp + 8]
cmp eax, 0x1c
jb 0x1df630
lea ebx, [esp + 0x10]
lea eax, [esp + 8]
push ebx
push eax
call fcn.001e3b40
add esp, 8
mov eax, dword [esi]
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], 0
mov dword [esp + 0x54], edi
mov eax, dword [ebp + 8]
mov dword [esp + 0x50], eax
mov dword [esp + 0x5c], 0
mov dword [esp + 0x58], 0
mov dword [esp + 0x60], ebx
mov dword [esp + 0x64], 0
mov dword [esp + 0x6c], 0
mov dword [esp + 0x68], 0x30
mov dword [esp + 0x74], 0
mov dword [esp + 0x70], 0
lea eax, [esp + 0x48]
push 6
push eax
push dword [esp + 0x14]
push dword [esp + 0x14]
call fcn.001e3c20
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov esi, dword [ebp + 0x10]
mov dword [esi + 4], edx
mov dword [esi], ecx
mov ecx, dword [esp + 0x2c]
mov edx, dword [esp + 0x28]
mov esi, dword [ebp + 0x14]
mov dword [esi], edx
mov dword [esi + 4], ecx
mov ecx, dword [esp + 0x30]
mov edx, dword [ebp + 0x18]
mov dword [edx], ecx
mov ecx, dword [esp + 0x34]
mov edx, dword [ebp + 0x1c]
mov dword [edx], ecx
jmp 0x1df837
mov ecx, dword [esi]
mov dword [esp + 0x10], 0x80878685
mov word [esp + 0x14], 0
mov byte [esp + 0x16], 0
mov dword [esp + 8], 0
mov eax, dword [esp + 8]
cmp eax, 6
ja 0x1df7b6
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 8]
mov edx, dword [esp + 8]
movzx edx, byte [esp + edx + 0x10]
mov esi, eax
xor esi, 0xfa434561
mov edi, eax
xor edi, 0x5bcba9e
or eax, 0x7a434561
and eax, edi
lea eax, [esi + eax*2]
lea esi, [eax + edx]
and eax, edx
mov edx, esi
not edx
and edx, eax
add edx, eax
not eax
and eax, esi
sub eax, edx
mov dword [esp + 0x48], eax
mov eax, dword [esp + 0x48]
mov edx, eax
xor edx, 0xe5
and eax, 0x1a
add eax, eax
sub eax, edx
mov edx, dword [esp + 8]
mov byte [esp + edx + 0x10], al
inc dword [esp + 8]
mov eax, dword [esp + 8]
cmp eax, 7
jb 0x1df750
mov eax, dword [esp + 0x10]
mov edx, dword [0x1f1ba0]
test edx, edx
je 0x1df808
xor esi, esi
mov edi, dword [0x1f1ba4]
nop
nop
nop
nop
cmp dword [edi + esi*8], 0x2ee8d390
je 0x1df7e0
inc esi
cmp edx, esi
jne 0x1df7d0
jmp 0x1df808
mov edx, dword [edi + esi*8 + 4]
cmp edx, eax
je 0x1df808
lea eax, [esp + 0x10]
push 0
push 0x1c
push eax
push 0
push dword [ebp + 8]
push ecx
push 6
push dword [0x1f1ba8]
push edx
call fcn.001e1c60
add esp, 0x24
mov ecx, dword [esp + 0x10]
mov edx, dword [ebp + 0x10]
mov dword [edx], ecx
mov dword [edx + 4], 0
mov ecx, dword [esp + 0x1c]
mov edx, dword [ebp + 0x14]
mov dword [edx], ecx
mov dword [edx + 4], 0
mov ecx, dword [esp + 0x20]
mov edx, dword [ebp + 0x18]
mov dword [edx], ecx
mov ecx, dword [esp + 0x24]
mov dword [ebx], ecx
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret 0x18