Function at 0x77bf70
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
mov eax, dword [esp + 8]
mov ecx, dword [esp + 4]
push ebp
mov ebp, dword [esp + 0x10]
push ebp
push eax
push ecx
call fcn.0077ba30
add esp, 0xc
test eax, eax
jl 0x77c1d5
mov edx, dword [ebp + 0xf0]
push ebx
push esi
xor esi, esi
shl edx, 2
test edx, edx
push edi
jle 0x77bfe5
lea ecx, [ebp + edx*4 + 8]
lea eax, [ebp + 8]
mov ebx, dword [ecx - 8]
mov edi, dword [eax - 8]
mov dword [eax - 8], ebx
mov ebx, dword [ecx - 4]
mov dword [ecx - 8], edi
mov edi, dword [eax - 4]
mov dword [eax - 4], ebx
mov ebx, dword [ecx]
mov dword [ecx - 4], edi
mov edi, dword [eax]
mov dword [eax], ebx
mov ebx, dword [ecx + 4]
mov dword [ecx], edi
mov edi, dword [eax + 4]
mov dword [eax + 4], ebx
mov dword [ecx + 4], edi
add esi, 4
sub edx, 4
add eax, 0x10
sub ecx, 0x10
cmp esi, edx
jl 0x77bfa9
mov eax, dword [ebp + 0xf0]
mov esi, 1
cmp eax, esi
jle 0x77c1d0
lea eax, [ebp + 2]
mov ecx, dword [eax + 0xe]
add eax, 0x10
mov edx, ecx
xor ebx, ebx
mov bl, byte [eax - 1]
and ecx, 0xff
shr edx, 0x18
mov edi, dword [ebx*4 + 0x774e18]
mov ecx, dword [ecx*4 + 0x774e18]
mov edx, dword [edx*4 + 0x774e18]
and edi, 0xff
and edx, 0xff
and ecx, 0xff
mov ebx, dword [edi*4 + 0x775a18]
mov edx, dword [edx*4 + 0x775218]
xor edx, ebx
xor ebx, ebx
mov bl, byte [eax]
mov edi, dword [ebx*4 + 0x774e18]
and edi, 0xff
mov ebx, dword [edi*4 + 0x775618]
mov edi, dword [ecx*4 + 0x775e18]
mov ecx, dword [eax + 2]
xor edx, ebx
xor edx, edi
xor ebx, ebx
mov bl, byte [eax + 3]
mov dword [eax - 2], edx
mov edx, ecx
and ecx, 0xff
mov edi, dword [ebx*4 + 0x774e18]
shr edx, 0x18
and edi, 0xff
mov ecx, dword [ecx*4 + 0x774e18]
mov edx, dword [edx*4 + 0x774e18]
and ecx, 0xff
mov ebx, dword [edi*4 + 0x775a18]
and edx, 0xff
mov edx, dword [edx*4 + 0x775218]
xor edx, ebx
xor ebx, ebx
mov bl, byte [eax + 4]
mov edi, dword [ebx*4 + 0x774e18]
and edi, 0xff
mov ebx, dword [edi*4 + 0x775618]
mov edi, dword [ecx*4 + 0x775e18]
mov ecx, dword [eax + 6]
xor edx, ebx
xor edx, edi
xor ebx, ebx
mov bl, byte [eax + 7]
mov dword [eax + 2], edx
mov edx, ecx
and ecx, 0xff
mov edi, dword [ebx*4 + 0x774e18]
shr edx, 0x18
and edi, 0xff
mov ecx, dword [ecx*4 + 0x774e18]
mov edx, dword [edx*4 + 0x774e18]
and ecx, 0xff
mov ebx, dword [edi*4 + 0x775a18]
and edx, 0xff
mov edx, dword [edx*4 + 0x775218]
xor edx, ebx
xor ebx, ebx
mov bl, byte [eax + 8]
mov edi, dword [ebx*4 + 0x774e18]
and edi, 0xff
mov ebx, dword [edi*4 + 0x775618]
mov edi, dword [ecx*4 + 0x775e18]
mov ecx, dword [eax + 0xa]
xor edx, ebx
xor edx, edi
mov dword [eax + 6], edx
mov edx, ecx
shr edx, 0x18
mov edx, dword [edx*4 + 0x774e18]
and edx, 0xff
xor ebx, ebx
mov bl, byte [eax + 0xb]
mov edi, dword [ebx*4 + 0x774e18]
mov edx, dword [edx*4 + 0x775218]
and edi, 0xff
and ecx, 0xff
mov ebx, dword [edi*4 + 0x775a18]
xor edx, ebx
mov ecx, dword [ecx*4 + 0x774e18]
xor ebx, ebx
and ecx, 0xff
mov bl, byte [eax + 0xc]
mov edi, dword [ebx*4 + 0x774e18]
and edi, 0xff
mov ebx, dword [edi*4 + 0x775618]
mov edi, dword [ecx*4 + 0x775e18]
xor edx, ebx
xor edx, edi
inc esi
mov dword [eax + 0xa], edx
mov ecx, dword [ebp + 0xf0]
cmp esi, ecx
jl 0x77bffb
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret