Function at 0x49d840
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
sub esp, 0x18
push ebx
mov ebx, dword [esp + 0x20]
push ebp
push esi
push edi
mov edi, ecx
mov edx, dword [edi + 0x48]
mov ecx, edx
shl ecx, 4
mov ebp, dword [ecx + edi + 0x54]
xor ebp, dword [ebx + 8]
lea esi, [ecx + edi]
mov ecx, dword [esi + 0x4c]
xor ecx, dword [ebx]
mov esi, dword [esi + 0x58]
xor esi, dword [ebx + 0xc]
add edx, 5
mov dword [esp + 0x24], esi
mov eax, dword [esp + 0x30]
shl edx, 4
mov edx, dword [edx + edi]
xor edx, dword [ebx + 4]
mov ebx, esi
shr ebx, 8
movzx esi, bl
mov esi, dword [esi*4 + 0x583818]
mov ebx, ebp
shr ebx, 0x10
movzx ebx, bl
xor esi, dword [ebx*4 + 0x583c18]
mov ebx, edx
shr ebx, 0x18
xor esi, dword [ebx*4 + 0x584018]
movzx ebx, cl
xor esi, dword [ebx*4 + 0x583418]
mov ebx, dword [esp + 0x24]
mov dword [eax], esi
shr ebx, 0x10
movzx esi, bl
mov esi, dword [esi*4 + 0x583c18]
mov ebx, ebp
shr ebx, 0x18
xor esi, dword [ebx*4 + 0x584018]
mov ebx, ecx
shr ebx, 8
movzx ebx, bl
xor esi, dword [ebx*4 + 0x583818]
movzx ebx, dl
xor esi, dword [ebx*4 + 0x583418]
mov ebx, edx
mov dword [eax + 4], esi
mov esi, dword [esp + 0x24]
shr esi, 0x18
mov esi, dword [esi*4 + 0x584018]
shr ebx, 8
movzx ebx, bl
xor esi, dword [ebx*4 + 0x583818]
mov ebx, ecx
shr ebx, 0x10
movzx ebx, bl
xor esi, dword [ebx*4 + 0x583c18]
mov ebx, ebp
mov dword [esp + 0x20], ebp
movzx ebp, bl
xor esi, dword [ebp*4 + 0x583418]
shr ebx, 8
mov dword [eax + 8], esi
shr edx, 0x10
movzx esi, bl
mov esi, dword [esi*4 + 0x583818]
movzx edx, dl
xor esi, dword [edx*4 + 0x583c18]
shr ecx, 0x18
xor esi, dword [ecx*4 + 0x584018]
movzx ecx, byte [esp + 0x24]
xor esi, dword [ecx*4 + 0x583418]
mov dword [eax + 0xc], esi
mov ecx, dword [edi + 0x48]
sub ecx, 1
cmp ecx, 1
jle 0x49daa5
lea esi, [ecx + 5]
shl esi, 4
add esi, edi
add ecx, 0xffffffff
mov dword [esp + 0x14], ecx
lea ecx, [ecx]
mov ebp, dword [esi + 4]
xor ebp, dword [eax + 8]
mov edx, dword [esi - 4]
xor edx, dword [eax]
mov ecx, dword [eax + 4]
xor ecx, dword [esi]
mov dword [esp + 0x20], ebp
mov ebp, dword [esi + 8]
xor ebp, dword [eax + 0xc]
mov dword [esp + 0x10], eax
mov eax, dword [esp + 0x20]
mov ebx, ebp
shr ebx, 8
movzx ebx, bl
mov ebx, dword [ebx*4 + 0x583818]
mov dword [esp + 0x24], ebp
shr eax, 0x10
movzx ebp, al
xor ebx, dword [ebp*4 + 0x583c18]
mov eax, dword [esp + 0x10]
mov ebp, ecx
shr ebp, 0x18
xor ebx, dword [ebp*4 + 0x584018]
movzx ebp, dl
xor ebx, dword [ebp*4 + 0x583418]
mov ebp, dword [esp + 0x20]
mov dword [eax], ebx
mov ebx, dword [esp + 0x24]
shr ebx, 0x10
movzx ebx, bl
mov ebx, dword [ebx*4 + 0x583c18]
mov dword [esp + 0x10], edx
shr edx, 8
shr ebp, 0x18
xor ebx, dword [ebp*4 + 0x584018]
movzx ebp, dl
xor ebx, dword [ebp*4 + 0x583818]
movzx ebp, cl
xor ebx, dword [ebp*4 + 0x583418]
mov edx, ecx
mov dword [eax + 4], ebx
mov ebx, dword [esp + 0x24]
shr ebx, 0x18
mov ebx, dword [ebx*4 + 0x584018]
shr edx, 8
movzx ebp, dl
xor ebx, dword [ebp*4 + 0x583818]
mov edx, dword [esp + 0x10]
mov dword [esp + 0x10], edx
shr edx, 0x10
movzx ebp, dl
xor ebx, dword [ebp*4 + 0x583c18]
movzx ebp, byte [esp + 0x20]
xor ebx, dword [ebp*4 + 0x583418]
mov edx, dword [esp + 0x10]
mov dword [eax + 8], ebx
mov ebx, dword [esp + 0x20]
shr ebx, 8
movzx ebx, bl
mov ebx, dword [ebx*4 + 0x583818]
shr ecx, 0x10
movzx ecx, cl
xor ebx, dword [ecx*4 + 0x583c18]
shr edx, 0x18
xor ebx, dword [edx*4 + 0x584018]
movzx edx, byte [esp + 0x24]
xor ebx, dword [edx*4 + 0x583418]
sub esi, 0x10
sub dword [esp + 0x14], 1
mov dword [eax + 0xc], ebx
jne 0x49d980
mov esi, dword [edi + 0x64]
xor esi, dword [eax + 8]
mov ecx, dword [edi + 0x5c]
xor ecx, dword [eax]
mov edx, dword [edi + 0x60]
mov dword [esp + 0x20], esi
mov esi, dword [edi + 0x68]
xor esi, dword [eax + 0xc]
xor edx, dword [eax + 4]
mov dword [esp + 0x24], esi
movzx esi, cl
movzx ebx, byte [esi + 0x584418]
mov byte [eax], bl
mov ebx, dword [esp + 0x24]
shr ebx, 8
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 1], bl
mov ebx, dword [esp + 0x20]
shr ebx, 0x10
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 2], bl
mov esi, edx
shr esi, 0x18
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 3], bl
movzx esi, dl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 4], bl
mov ebx, ecx
shr ebx, 8
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 5], bl
mov ebx, dword [esp + 0x24]
shr ebx, 0x10
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov esi, dword [esp + 0x20]
mov byte [eax + 6], bl
shr esi, 0x18
movzx ebx, byte [esi + 0x584418]
movzx esi, byte [esp + 0x20]
mov byte [eax + 7], bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 8], bl
mov ebx, edx
shr ebx, 8
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 9], bl
mov ebx, ecx
shr ebx, 0x10
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
mov esi, dword [esp + 0x24]
mov byte [eax + 0xa], bl
shr esi, 0x18
movzx ebx, byte [esi + 0x584418]
movzx esi, byte [esp + 0x24]
mov byte [eax + 0xb], bl
movzx ebx, byte [esi + 0x584418]
mov byte [eax + 0xc], bl
mov ebx, dword [esp + 0x20]
shr ebx, 8
shr edx, 0x10
movzx esi, bl
movzx ebx, byte [esi + 0x584418]
movzx edx, dl
mov byte [eax + 0xd], bl
mov dl, byte [edx + 0x584418]
mov byte [eax + 0xe], dl
shr ecx, 0x18
mov cl, byte [ecx + 0x584418]
mov byte [eax + 0xf], cl
mov edx, dword [edi + 0x4c]
xor dword [eax], edx
mov ecx, dword [edi + 0x50]
xor dword [eax + 4], ecx
mov edx, dword [edi + 0x54]
xor dword [eax + 8], edx
mov ecx, dword [edi + 0x58]
xor dword [eax + 0xc], ecx
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x18
ret 8