Function at 0x42a0ae
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x20
cmp dword [ebp + 0xc], 0
push ebx
push esi
push edi
je 0x42a65e
mov esi, dword [ebp + 8]
test esi, esi
jne 0x42a0d7
push 0x1da
mov ecx, str.ct___NULL
jmp 0x42a668
mov eax, dword [ebp + 0x10]
test eax, eax
jne 0x42a0ed
push 0x1db
mov ecx, str.skey___NULL
jmp 0x42a668
lea edx, [eax + 0xf0]
movzx ecx, byte [esi]
movzx eax, byte [esi + 1]
shl ecx, 8
or ecx, eax
movzx ebx, byte [esi + 8]
movzx eax, byte [esi + 2]
shl ecx, 8
or ecx, eax
shl ebx, 8
movzx eax, byte [esi + 3]
shl ecx, 8
or ecx, eax
mov dword [ebp - 4], edx
xor ecx, dword [edx]
movzx eax, byte [esi + 5]
mov dword [ebp - 0x18], ecx
movzx ecx, byte [esi + 4]
shl ecx, 8
or ecx, eax
movzx eax, byte [esi + 6]
shl ecx, 8
or ecx, eax
movzx eax, byte [esi + 7]
shl ecx, 8
or ecx, eax
movzx eax, byte [esi + 9]
xor ecx, dword [edx + 4]
or ebx, eax
movzx eax, byte [esi + 0xa]
shl ebx, 8
or ebx, eax
mov dword [ebp - 0xc], ecx
movzx eax, byte [esi + 0xb]
shl ebx, 8
or ebx, eax
movzx eax, byte [esi + 0xd]
xor ebx, dword [edx + 8]
movzx edx, byte [esi + 0xc]
shl edx, 8
or edx, eax
movzx eax, byte [esi + 0xe]
shl edx, 8
or edx, eax
movzx eax, byte [esi + 0xf]
mov esi, dword [ebp - 0x18]
shl edx, 8
or edx, eax
mov eax, dword [ebp - 4]
xor edx, dword [eax + 0xc]
mov eax, edx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x4333d0]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x433bd0]
mov eax, dword [ebp - 0xc]
movzx eax, al
xor ecx, dword [eax*4 + 0x435000]
mov eax, dword [ebp - 4]
xor ecx, dword [eax + 0x10]
mov eax, edx
shr eax, 8
mov dword [ebp - 0x10], ecx
movzx ecx, al
mov eax, esi
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x432bd0]
xor ecx, dword [eax*4 + 0x4333d0]
mov eax, dword [ebp - 0xc]
mov edi, ecx
shr eax, 0x18
mov dword [ebp - 8], ecx
xor edi, dword [eax*4 + 0x433bd0]
movzx eax, bl
xor edi, dword [eax*4 + 0x435000]
mov eax, dword [ebp - 4]
xor edi, dword [eax + 0x14]
mov eax, dword [ebp - 0xc]
shr eax, 0x10
movzx ecx, al
mov eax, esi
mov esi, dword [ebp - 4]
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x4333d0]
mov dword [ebp - 8], edi
mov edi, dword [ebp + 0xc]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, ebx
shr eax, 0x18
shr ebx, 0x10
xor ecx, dword [eax*4 + 0x433bd0]
movzx eax, dl
shr edx, 0x18
xor ecx, dword [eax*4 + 0x435000]
xor ecx, dword [esi + 0x18]
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x14], ecx
shr eax, 8
movzx eax, al
movzx ecx, bl
mov ecx, dword [ecx*4 + 0x4333d0]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, dword [ebp - 0x18]
xor ecx, dword [edx*4 + 0x433bd0]
movzx eax, al
xor ecx, dword [eax*4 + 0x435000]
mov eax, dword [ebp + 0x10]
xor ecx, dword [esi + 0x1c]
add esi, 0x20
mov dword [ebp - 0xc], ecx
mov dword [ebp - 4], esi
mov eax, dword [eax + 0x1e0]
sar eax, 1
sub eax, 1
mov dword [ebp - 0x20], eax
je 0x42a4a8
mov edi, esi
mov ebx, dword [ebp - 0x14]
mov eax, ecx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov esi, dword [ebp - 0x10]
mov ecx, dword [ecx*4 + 0x4333d0]
mov edx, dword [ebp - 8]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x433bd0]
movzx eax, dl
xor ecx, dword [eax*4 + 0x435000]
xor ecx, dword [edi]
mov eax, dword [ebp - 0xc]
shr eax, 8
mov dword [ebp - 0x1c], ecx
movzx ecx, al
mov eax, esi
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x432bd0]
xor ecx, dword [eax*4 + 0x4333d0]
mov eax, edx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x433bd0]
movzx eax, bl
xor ecx, dword [eax*4 + 0x435000]
mov eax, edx
xor ecx, dword [edi + 4]
shr eax, 0x10
mov dword [ebp - 0x18], ecx
movzx ecx, al
mov eax, esi
shr eax, 8
movzx eax, al
shr edx, 8
mov ebx, dword [ecx*4 + 0x4333d0]
mov ecx, dword [ebp - 0x14]
xor ebx, dword [eax*4 + 0x432bd0]
mov eax, ecx
shr eax, 0x18
shr ecx, 0x10
movzx ecx, cl
xor ebx, dword [eax*4 + 0x433bd0]
mov eax, dword [ebp - 0xc]
movzx eax, al
xor ebx, dword [eax*4 + 0x435000]
xor ebx, dword [edi + 8]
movzx eax, dl
mov edx, dword [ecx*4 + 0x4333d0]
xor edx, dword [eax*4 + 0x432bd0]
mov eax, dword [ebp - 0xc]
shr eax, 0x18
xor edx, dword [eax*4 + 0x433bd0]
mov eax, esi
movzx eax, al
mov esi, dword [ebp - 0x1c]
xor edx, dword [eax*4 + 0x435000]
xor edx, dword [edi + 0xc]
mov eax, edx
shr eax, 0x10
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x4333d0]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x433bd0]
mov eax, dword [ebp - 0x18]
movzx eax, al
xor ecx, dword [eax*4 + 0x435000]
mov eax, edx
xor ecx, dword [edi + 0x10]
mov dword [ebp - 0x10], ecx
shr eax, 8
movzx ecx, al
mov eax, esi
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x432bd0]
xor ecx, dword [eax*4 + 0x4333d0]
mov eax, dword [ebp - 0x18]
mov edi, ecx
shr eax, 0x18
mov dword [ebp - 8], ecx
xor edi, dword [eax*4 + 0x433bd0]
movzx eax, bl
xor edi, dword [eax*4 + 0x435000]
mov dword [ebp - 8], edi
mov edi, dword [ebp - 4]
mov eax, dword [ebp - 8]
xor eax, dword [edi + 0x14]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x18]
shr eax, 0x10
movzx ecx, al
mov eax, esi
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x4333d0]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, ebx
shr eax, 0x18
shr ebx, 0x10
xor ecx, dword [eax*4 + 0x433bd0]
movzx eax, dl
shr edx, 0x18
xor ecx, dword [eax*4 + 0x435000]
xor ecx, dword [edi + 0x18]
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x14], ecx
shr eax, 8
movzx ecx, bl
movzx eax, al
mov ecx, dword [ecx*4 + 0x4333d0]
xor ecx, dword [eax*4 + 0x432bd0]
mov eax, esi
xor ecx, dword [edx*4 + 0x433bd0]
movzx eax, al
xor ecx, dword [eax*4 + 0x435000]
xor ecx, dword [edi + 0x1c]
add edi, 0x20
sub dword [ebp - 0x20], 1
mov dword [ebp - 0xc], ecx
mov dword [ebp - 4], edi
jne 0x42a2a5
mov edi, dword [ebp + 0xc]
mov esi, dword [ebp - 4]
mov ebx, dword [ebp - 0x14]
mov eax, ecx
shr eax, 0x10
movzx eax, al
mov edx, dword [ebp - 8]
mov ecx, dword [eax*4 + 0x432fd0]
mov eax, ebx
shr eax, 8
and ecx, 0xff0000
movzx eax, al
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff00
xor ecx, eax
mov eax, dword [ebp - 0x10]
shr eax, 0x18
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff000000
xor ecx, eax
movzx eax, dl
movzx eax, byte [eax*4 + 0x432fd0]
xor ecx, eax
xor ecx, dword [esi]
mov eax, ecx
mov byte [edi + 3], cl
shr eax, 0x18
mov byte [edi], al
mov eax, ecx
shr eax, 0x10
mov byte [edi + 1], al
mov eax, ecx
shr eax, 8
mov byte [edi + 2], al
mov eax, dword [ebp - 0x10]
shr eax, 0x10
movzx eax, al
mov ecx, dword [eax*4 + 0x432fd0]
mov eax, dword [ebp - 0xc]
and ecx, 0xff0000
shr eax, 8
movzx eax, al
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff00
xor ecx, eax
mov eax, edx
shr eax, 0x18
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff000000
xor ecx, eax
movzx eax, bl
movzx eax, byte [eax*4 + 0x432fd0]
xor ecx, eax
xor ecx, dword [esi + 4]
mov eax, ecx
mov byte [edi + 7], cl
shr eax, 0x18
mov byte [edi + 4], al
mov eax, ecx
shr eax, 0x10
mov byte [edi + 5], al
mov eax, ecx
shr eax, 8
mov byte [edi + 6], al
mov eax, edx
shr eax, 0x10
movzx eax, al
mov ecx, dword [eax*4 + 0x432fd0]
mov eax, dword [ebp - 0x10]
and ecx, 0xff0000
shr eax, 8
movzx eax, al
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff00
xor ecx, eax
mov eax, ebx
shr eax, 0x18
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [ebp - 0xc]
movzx eax, al
movzx eax, byte [eax*4 + 0x432fd0]
xor ecx, eax
shr ebx, 0x10
xor ecx, dword [esi + 8]
mov eax, ecx
mov byte [edi + 0xb], cl
shr eax, 0x18
mov byte [edi + 8], al
mov eax, ecx
shr eax, 0x10
mov byte [edi + 9], al
mov eax, ecx
shr eax, 8
mov byte [edi + 0xa], al
movzx eax, bl
shr edx, 8
mov ecx, dword [eax*4 + 0x432fd0]
movzx eax, dl
and ecx, 0xff0000
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff00
xor ecx, eax
mov eax, dword [ebp - 0xc]
shr eax, 0x18
mov eax, dword [eax*4 + 0x432fd0]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [ebp - 0x10]
movzx eax, al
movzx eax, byte [eax*4 + 0x432fd0]
xor ecx, eax
xor ecx, dword [esi + 0xc]
mov eax, ecx
mov byte [edi + 0xf], cl
shr eax, 0x18
mov byte [edi + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [edi + 0xd], al
mov eax, ecx
shr eax, 8
mov byte [edi + 0xe], al
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret
push 0x1d9
mov ecx, str.pt___NULL
call fcn.00422e3e
int3