Function at 0x5a11a7
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
cmp dword [ebp + 8], 0
je 0x5a1533
push ebx
push edi
push 0x20
pop ebx
push ebx
push dword [ebp + 0xc]
lea eax, [esi + 0x3d4]
push eax
mov dword [esi + 0x3c8], ebx
mov dword [esi + 0x3cc], ebx
call fcn.00523c00
push dword [esi + 0x3cc]
lea eax, [esi + 0x3f4]
push dword [ebp + 0xc]
push eax
call fcn.00523c00
mov eax, dword [esi + 0x3c8]
add esp, 0x18
cmp eax, 0x10
je 0x5a121d
cmp eax, 0x18
je 0x5a120c
mov dword [esi + 0x3d0], 0xe
jmp 0x5a123f
xor eax, eax
cmp dword [esi + 0x3cc], ebx
sete al
lea eax, [eax + eax + 0xc]
jmp 0x5a1239
mov eax, dword [esi + 0x3cc]
cmp eax, 0x10
jne 0x5a122d
push 0xa
pop eax
jmp 0x5a1239
xor ecx, ecx
cmp eax, 0x18
setne cl
lea eax, [ecx + ecx + 0xc]
mov dword [esi + 0x3d0], eax
mov eax, dword [esi + 0x3cc]
cdq
and edx, 3
lea ecx, [edx + eax]
sar ecx, 2
xor edx, edx
mov dword [ebp - 4], ecx
cmp dword [esi + 0x3d0], edx
jl 0x5a127c
lea eax, [esi + 8]
mov dword [ebp + 0xc], eax
test ecx, ecx
jle 0x5a1270
mov edi, dword [ebp + 0xc]
xor eax, eax
rep stosd dword es:[edi], eax
mov ecx, dword [ebp - 4]
add dword [ebp + 0xc], ebx
inc edx
cmp edx, dword [esi + 0x3d0]
jle 0x5a1262
xor edx, edx
cmp dword [esi + 0x3d0], edx
jl 0x5a12a9
lea eax, [esi + 0x1e8]
mov dword [ebp + 0xc], eax
test ecx, ecx
jle 0x5a129d
mov edi, dword [ebp + 0xc]
xor eax, eax
rep stosd dword es:[edi], eax
mov ecx, dword [ebp - 4]
add dword [ebp + 0xc], ebx
inc edx
cmp edx, dword [esi + 0x3d0]
jle 0x5a128f
mov ebx, dword [esi + 0x3d0]
mov eax, dword [esi + 0x3c8]
inc ebx
imul ebx, ecx
mov ecx, dword [ebp + 8]
cdq
and edx, 3
lea edi, [edx + eax]
sar edi, 2
mov dword [ebp - 0x14], ebx
lea eax, [esi + 0x414]
test edi, edi
jle 0x5a1301
mov dword [ebp + 0xc], edi
movzx edx, byte [ecx]
shl edx, 0x18
mov dword [eax], edx
movzx edx, byte [ecx + 1]
shl edx, 0x10
or dword [eax], edx
movzx edx, byte [ecx + 2]
shl edx, 8
or dword [eax], edx
movzx edx, byte [ecx + 3]
or dword [eax], edx
add ecx, 4
add eax, 4
dec dword [ebp + 0xc]
jne 0x5a12d6
and dword [ebp + 0xc], 0
test edi, edi
jle 0x5a1350
lea eax, [esi + 0x414]
mov dword [ebp + 8], eax
mov eax, dword [ebp + 0xc]
cmp eax, ebx
jge 0x5a1350
cdq
idiv dword [ebp - 4]
mov ecx, dword [ebp + 8]
mov ecx, dword [ecx]
mov dword [ebp - 0xc], eax
lea eax, [edx + eax*8]
mov dword [esi + eax*4 + 8], ecx
mov eax, dword [esi + 0x3d0]
sub eax, dword [ebp - 0xc]
mov ecx, dword [ebp + 8]
inc dword [ebp + 0xc]
mov ecx, dword [ecx]
add dword [ebp + 8], 4
lea eax, [edx + eax*8]
mov dword [esi + eax*4 + 0x1e8], ecx
cmp dword [ebp + 0xc], edi
jl 0x5a1312
mov ecx, 0xff
cmp dword [ebp + 0xc], ebx
jge 0x5a14b8
mov dword [ebp - 8], 0x610420
mov eax, dword [esi + edi*4 + 0x410]
mov ebx, dword [ebp - 8]
movsx ebx, byte [ebx]
mov edx, eax
sar edx, 0x10
and edx, ecx
movsx edx, byte [edx + str.cw]
xor edx, ebx
mov ebx, eax
sar ebx, 8
and ebx, ecx
movzx ebx, byte [ebx + str.cw]
shl edx, 8
xor edx, ebx
mov ebx, eax
and ebx, ecx
movzx ebx, byte [ebx + str.cw]
sar eax, 0x18
shl edx, 8
and eax, ecx
movzx eax, byte [eax + str.cw]
xor edx, ebx
shl edx, 8
xor edx, eax
xor dword [esi + 0x414], edx
inc dword [ebp - 8]
cmp edi, 8
je 0x5a13e3
cmp edi, 1
jle 0x5a1459
lea eax, [esi + 0x418]
lea edx, [edi - 1]
mov ebx, dword [eax - 4]
xor dword [eax], ebx
add eax, 4
dec edx
jne 0x5a13d6
jmp 0x5a1459
push 3
lea eax, [esi + 0x418]
pop edx
mov ebx, dword [eax - 4]
xor dword [eax], ebx
add eax, 4
dec edx
jne 0x5a13ec
mov eax, dword [esi + 0x420]
mov edx, eax
sar edx, 0x18
and edx, ecx
movsx edx, byte [edx + str.cw]
mov ebx, eax
sar ebx, 0x10
and ebx, ecx
movzx ebx, byte [ebx + str.cw]
shl edx, 8
xor edx, ebx
mov ebx, eax
sar ebx, 8
and ebx, ecx
movzx ebx, byte [ebx + str.cw]
shl edx, 8
and eax, ecx
movzx eax, byte [eax + str.cw]
xor edx, ebx
shl edx, 8
xor edx, eax
xor dword [esi + 0x424], edx
push 3
lea eax, [esi + 0x428]
pop edx
mov ebx, dword [eax - 4]
xor dword [eax], ebx
add eax, 4
dec edx
jne 0x5a144e
and dword [ebp - 0x10], 0
test edi, edi
jle 0x5a14ac
lea eax, [esi + 0x414]
mov dword [ebp + 8], eax
mov eax, dword [ebp + 0xc]
cmp eax, dword [ebp - 0x14]
jge 0x5a14b8
cdq
idiv dword [ebp - 4]
mov ebx, dword [ebp + 8]
mov ebx, dword [ebx]
mov dword [ebp - 0xc], eax
lea eax, [edx + eax*8]
mov dword [esi + eax*4 + 8], ebx
mov eax, dword [esi + 0x3d0]
sub eax, dword [ebp - 0xc]
inc dword [ebp - 0x10]
lea eax, [edx + eax*8]
mov edx, dword [ebp + 8]
add dword [ebp + 8], 4
mov edx, dword [edx]
inc dword [ebp + 0xc]
mov dword [esi + eax*4 + 0x1e8], edx
cmp dword [ebp - 0x10], edi
jl 0x5a146a
mov eax, dword [ebp + 0xc]
cmp eax, dword [ebp - 0x14]
jl 0x5a1365
xor eax, eax
inc eax
mov dword [ebp + 8], eax
cmp dword [esi + 0x3d0], eax
jle 0x5a152d
lea eax, [esi + 0x208]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
test eax, eax
jle 0x5a151b
mov edx, dword [ebp + 0xc]
mov dword [ebp - 0x14], eax
mov eax, dword [edx]
mov edi, eax
sar edi, 0x18
and edi, ecx
mov edi, dword [edi*4 + 0x60f420]
mov ebx, eax
sar ebx, 0x10
and ebx, ecx
xor edi, dword [ebx*4 + 0x60f820]
mov ebx, eax
sar ebx, 8
and ebx, ecx
xor edi, dword [ebx*4 + 0x60fc20]
and eax, ecx
xor edi, dword [eax*4 + 0x610020]
mov dword [edx], edi
add edx, 4
dec dword [ebp - 0x14]
jne 0x5a14dc
inc dword [ebp + 8]
mov eax, dword [ebp + 8]
add dword [ebp + 0xc], 0x20
cmp eax, dword [esi + 0x3d0]
jl 0x5a14cf
pop edi
mov byte [esi + 4], 1
pop ebx
leave
ret 8