Function at 0x557b20
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
push edi
mov ecx, dword [esp + 0x2c]
mov ebp, dword [esp + 0x24]
movzx edx, byte [ecx]
movzx eax, byte [ecx + 1]
shl edx, 8
xor edx, eax
movzx ebx, byte [ecx + 8]
movzx eax, byte [ecx + 2]
shl edx, 8
xor edx, eax
shl ebx, 8
movzx eax, byte [ecx + 3]
shl edx, 8
xor edx, eax
movzx eax, byte [ecx + 5]
xor edx, dword [ebp]
mov dword [esp + 0x18], edx
movzx edx, byte [ecx + 4]
shl edx, 8
xor edx, eax
movzx eax, byte [ecx + 6]
shl edx, 8
xor edx, eax
movzx eax, byte [ecx + 7]
shl edx, 8
xor edx, eax
movzx eax, byte [ecx + 9]
xor edx, dword [ebp + 4]
xor ebx, eax
movzx eax, byte [ecx + 0xa]
mov dword [esp + 0x10], edx
movzx edx, byte [ecx + 0xc]
shl ebx, 8
xor ebx, eax
shl edx, 8
movzx eax, byte [ecx + 0xb]
shl ebx, 8
xor ebx, eax
movzx eax, byte [ecx + 0xd]
xor ebx, dword [ebp + 8]
xor edx, eax
movzx eax, byte [ecx + 0xe]
shl edx, 8
xor edx, eax
movzx eax, byte [ecx + 0xf]
shl edx, 8
xor edx, eax
mov eax, ebx
xor edx, dword [ebp + 0xc]
shr eax, 8
mov ecx, edx
shr ecx, 0x10
and eax, 0xff
and ecx, 0xff
mov esi, dword [esp + 0x18]
mov ecx, dword [ecx*4 + 0x60fa98]
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x60f698]
mov eax, dword [esp + 0x10]
movzx eax, al
xor ecx, dword [eax*4 + 0x610298]
mov eax, esi
xor ecx, dword [ebp + 0x10]
mov dword [esp + 0x14], ecx
mov ecx, edx
shr ecx, 8
shr eax, 0x10
and ecx, 0xff
and eax, 0xff
mov edi, dword [ecx*4 + 0x60fe98]
xor edi, dword [eax*4 + 0x60fa98]
mov ecx, dword [esp + 0x10]
mov eax, ecx
shr eax, 0x18
xor edi, dword [eax*4 + 0x60f698]
shr ecx, 0x10
movzx eax, bl
and ecx, 0xff
xor edi, dword [eax*4 + 0x610298]
mov eax, esi
mov ecx, dword [ecx*4 + 0x60fa98]
shr eax, 8
and eax, 0xff
xor edi, dword [ebp + 0x14]
mov dword [esp + 0x2c], edi
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, ebx
shr eax, 0x18
shr ebx, 0x10
and ebx, 0xff
xor ecx, dword [eax*4 + 0x60f698]
movzx eax, dl
shr edx, 0x18
xor ecx, dword [eax*4 + 0x610298]
xor ecx, dword [ebp + 0x18]
mov eax, dword [esp + 0x10]
shr eax, 8
and eax, 0xff
mov dword [esp + 0x24], ecx
mov ecx, dword [ebx*4 + 0x60fa98]
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, esi
xor ecx, dword [edx*4 + 0x60f698]
movzx eax, al
xor ecx, dword [eax*4 + 0x610298]
mov eax, dword [esp + 0x28]
xor ecx, dword [ebp + 0x1c]
add ebp, 0x20
sar eax, 1
dec eax
mov dword [esp + 0x10], ecx
mov dword [esp + 0x28], eax
je 0x557f14
lea esp, [esp]
mov ebx, dword [esp + 0x24]
mov eax, ebx
shr ecx, 0x10
mov esi, dword [esp + 0x14]
and ecx, 0xff
shr eax, 8
and eax, 0xff
mov edx, dword [esp + 0x2c]
mov ecx, dword [ecx*4 + 0x60fa98]
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x60f698]
movzx eax, dl
xor ecx, dword [eax*4 + 0x610298]
mov eax, esi
xor ecx, dword [ebp]
mov dword [esp + 0x1c], ecx
mov ecx, dword [esp + 0x10]
shr ecx, 8
shr eax, 0x10
and ecx, 0xff
and eax, 0xff
mov ecx, dword [ecx*4 + 0x60fe98]
xor ecx, dword [eax*4 + 0x60fa98]
mov eax, edx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x60f698]
movzx eax, bl
xor ecx, dword [eax*4 + 0x610298]
mov eax, esi
xor ecx, dword [ebp + 4]
mov dword [esp + 0x18], ecx
mov ecx, edx
shr eax, 8
shr ecx, 0x10
and eax, 0xff
and ecx, 0xff
shr edx, 8
and edx, 0xff
mov dword [esp + 0x2c], edx
mov edi, dword [esp + 0x2c]
mov ebx, dword [ecx*4 + 0x60fa98]
xor ebx, dword [eax*4 + 0x60fe98]
mov ecx, dword [esp + 0x24]
mov eax, ecx
shr eax, 0x18
shr ecx, 0x10
and ecx, 0xff
xor ebx, dword [eax*4 + 0x60f698]
mov eax, dword [esp + 0x10]
mov edx, dword [ecx*4 + 0x60fa98]
xor edx, dword [edi*4 + 0x60fe98]
movzx eax, al
xor ebx, dword [eax*4 + 0x610298]
mov eax, dword [esp + 0x10]
xor ebx, dword [ebp + 8]
shr eax, 0x18
xor edx, dword [eax*4 + 0x60f698]
mov eax, esi
mov esi, dword [esp + 0x1c]
movzx eax, al
xor edx, dword [eax*4 + 0x610298]
mov eax, ebx
xor edx, dword [ebp + 0xc]
shr eax, 8
mov ecx, edx
shr ecx, 0x10
and eax, 0xff
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x60fa98]
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, esi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x60f698]
mov eax, dword [esp + 0x18]
movzx eax, al
xor ecx, dword [eax*4 + 0x610298]
xor ecx, dword [ebp + 0x10]
mov dword [esp + 0x14], ecx
mov ecx, edx
shr ecx, 8
mov eax, esi
and ecx, 0xff
shr eax, 0x10
and eax, 0xff
mov ecx, dword [ecx*4 + 0x60fe98]
xor ecx, dword [eax*4 + 0x60fa98]
mov dword [esp + 0x2c], ecx
mov ecx, dword [esp + 0x18]
mov eax, ecx
mov edi, dword [esp + 0x2c]
shr eax, 0x18
shr ecx, 0x10
and ecx, 0xff
xor edi, dword [eax*4 + 0x60f698]
movzx eax, bl
mov ecx, dword [ecx*4 + 0x60fa98]
xor edi, dword [eax*4 + 0x610298]
mov eax, esi
shr eax, 8
and eax, 0xff
xor edi, dword [ebp + 0x14]
mov dword [esp + 0x2c], edi
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, ebx
shr eax, 0x18
shr ebx, 0x10
and ebx, 0xff
xor ecx, dword [eax*4 + 0x60f698]
movzx eax, dl
shr edx, 0x18
xor ecx, dword [eax*4 + 0x610298]
xor ecx, dword [ebp + 0x18]
mov eax, dword [esp + 0x18]
shr eax, 8
and eax, 0xff
mov dword [esp + 0x24], ecx
mov ecx, dword [ebx*4 + 0x60fa98]
xor ecx, dword [eax*4 + 0x60fe98]
mov eax, esi
xor ecx, dword [edx*4 + 0x60f698]
movzx eax, al
xor ecx, dword [eax*4 + 0x610298]
xor ecx, dword [ebp + 0x1c]
add ebp, 0x20
dec dword [esp + 0x28]
mov dword [esp + 0x10], ecx
jne 0x557ce0
mov eax, ecx
mov ebx, dword [esp + 0x2c]
shr eax, 0x10
and eax, 0xff
mov edx, dword [esp + 0x30]
mov ecx, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
mov eax, dword [esp + 0x24]
and ecx, 0xff0000
shr eax, 8
and eax, 0xff
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff00
xor ecx, eax
mov eax, dword [esp + 0x14]
shr eax, 0x18
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff000000
xor ecx, eax
movzx eax, bl
movzx eax, byte [eax*4 + str.RRRR_t_t_t_tjjjj]
xor ecx, eax
xor ecx, dword [ebp]
mov eax, ecx
mov byte [edx + 3], cl
shr eax, 0x18
mov byte [edx], al
mov eax, ecx
shr eax, 0x10
mov byte [edx + 1], al
mov eax, ecx
shr eax, 8
mov byte [edx + 2], al
mov eax, dword [esp + 0x14]
shr eax, 0x10
and eax, 0xff
mov ecx, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
mov eax, dword [esp + 0x10]
and ecx, 0xff0000
shr eax, 8
and eax, 0xff
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff00
xor ecx, eax
mov eax, ebx
shr eax, 0x18
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [esp + 0x24]
movzx eax, al
movzx eax, byte [eax*4 + str.RRRR_t_t_t_tjjjj]
xor ecx, eax
xor ecx, dword [ebp + 4]
mov eax, ecx
mov byte [edx + 7], cl
shr eax, 0x18
mov byte [edx + 4], al
mov eax, ecx
shr eax, 0x10
mov byte [edx + 5], al
mov eax, ecx
shr eax, 8
mov byte [edx + 6], al
mov eax, ebx
shr eax, 0x10
and eax, 0xff
mov ecx, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
mov eax, dword [esp + 0x14]
and ecx, 0xff0000
shr eax, 8
and eax, 0xff
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff00
xor ecx, eax
mov eax, dword [esp + 0x24]
shr eax, 0x18
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [esp + 0x10]
movzx eax, al
movzx eax, byte [eax*4 + str.RRRR_t_t_t_tjjjj]
xor ecx, eax
shr ebx, 8
xor ecx, dword [ebp + 8]
and ebx, 0xff
mov eax, ecx
mov byte [edx + 0xb], cl
shr eax, 0x18
mov byte [edx + 8], al
mov eax, ecx
shr eax, 0x10
mov byte [edx + 9], al
mov eax, ecx
shr eax, 8
mov byte [edx + 0xa], al
mov eax, dword [esp + 0x24]
shr eax, 0x10
and eax, 0xff
pop edi
pop esi
mov ecx, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
mov eax, dword [ebx*4 + str.RRRR_t_t_t_tjjjj]
and ecx, 0xff0000
and eax, 0xff00
xor ecx, eax
mov eax, dword [esp + 8]
shr eax, 0x18
mov eax, dword [eax*4 + str.RRRR_t_t_t_tjjjj]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [esp + 0xc]
movzx eax, al
movzx eax, byte [eax*4 + str.RRRR_t_t_t_tjjjj]
xor ecx, eax
xor ecx, dword [ebp + 0xc]
mov eax, ecx
mov byte [edx + 0xf], cl
shr eax, 0x18
mov byte [edx + 0xc], al
mov eax, ecx
shr eax, 0x10
mov byte [edx + 0xd], al
mov eax, ecx
shr eax, 8
pop ebp
mov byte [edx + 0xe], al
pop ebx
add esp, 0x10
ret