Function at 0x100687bd
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
push ebx
push esi
mov esi, dword [ebp + 8]
mov ebx, ecx
mov dword [ebp - 0x10], ebx
test esi, esi
je 0x10068bb5
mov ecx, dword [ebp + 0x10]
push edi
push 0x18
pop edi
cmp ecx, 0x10
je 0x100687ee
cmp ecx, edi
je 0x100687ee
cmp ecx, 0x20
jne 0x10068bb4
mov eax, dword [ebp + 0x14]
cmp eax, 0x10
je 0x10068803
cmp eax, edi
je 0x10068803
cmp eax, 0x20
jne 0x10068bb4
push eax
push dword [ebp + 0xc]
mov dword [ebx + 0x3cc], eax
lea eax, [ebx + 0x3d4]
push eax
mov dword [ebx + 0x3c8], ecx
call fcn.100a4e10
push dword [ebx + 0x3cc]
lea eax, [ebx + 0x3f4]
push dword [ebp + 0xc]
push eax
call fcn.100a4e10
mov eax, dword [ebx + 0x3c8]
add esp, 0x18
cmp eax, 0x10
je 0x10068858
push 0xe
cmp eax, edi
pop eax
jne 0x10068873
cmp dword [ebx + 0x3cc], 0x20
push 0xc
pop ecx
cmovne eax, ecx
jmp 0x10068873
mov ecx, dword [ebx + 0x3cc]
cmp ecx, 0x10
jne 0x10068868
push 0xa
pop eax
jmp 0x10068873
push 0xe
pop eax
push 0xc
cmp ecx, edi
pop edx
cmove eax, edx
mov dword [ebx + 0x3d0], eax
mov eax, dword [ebx + 0x3cc]
mov ecx, dword [ebx + 0x3d0]
cdq
and edx, 3
lea edi, [edx + eax]
xor eax, eax
sar edi, 2
mov dword [ebp + 8], edi
mov dword [ebp + 0xc], eax
test ecx, ecx
js 0x100688c1
lea edx, [ebx + 8]
test edi, edi
jle 0x100688b0
mov ecx, edi
xor eax, eax
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebx + 0x3d0]
inc eax
add edx, 0x20
mov dword [ebp + 0xc], eax
cmp eax, ecx
jle 0x1006889e
xor eax, eax
mov dword [ebp + 0xc], eax
test ecx, ecx
js 0x100688f3
lea edx, [ebx + 0x1e8]
test edi, edi
jle 0x100688e2
mov ecx, edi
xor eax, eax
mov edi, edx
rep stosd dword es:[edi], eax
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebx + 0x3d0]
inc eax
add edx, 0x20
mov dword [ebp + 0xc], eax
cmp eax, ecx
jle 0x100688d0
lea eax, [ecx + 1]
imul eax, edi
mov dword [ebp + 0x14], eax
mov eax, dword [ebx + 0x3c8]
cdq
and edx, 3
lea ecx, [edx + eax]
sar ecx, 2
lea eax, [ebx + 0x414]
mov dword [ebp + 0xc], ecx
mov dword [ebp - 0xc], eax
test ecx, ecx
jle 0x1006895d
mov ebx, ecx
mov edi, eax
movzx eax, byte [esi]
lea esi, [esi + 4]
shl eax, 0x18
mov dword [edi], eax
movzx edx, byte [esi - 3]
shl edx, 0x10
or edx, eax
mov dword [edi], edx
movzx ecx, byte [esi - 2]
shl ecx, 8
or ecx, edx
mov dword [edi], ecx
movzx eax, byte [esi - 1]
or eax, ecx
mov dword [edi], eax
lea edi, [edi + 4]
sub ebx, 1
jne 0x10068920
mov ebx, dword [ebp - 0x10]
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp - 0xc]
xor esi, esi
mov dword [ebp + 0x10], esi
test ecx, ecx
jle 0x100689b2
mov ecx, eax
mov dword [ebp - 4], ecx
jmp 0x10068970
mov ecx, dword [ebp - 4]
cmp esi, dword [ebp + 0x14]
jge 0x10068b36
mov eax, esi
mov ecx, dword [ecx]
cdq
idiv edi
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp + 0x10]
sub ecx, eax
inc esi
mov dword [ebp + 0x10], esi
lea ecx, [edx + ecx*8]
mov edx, dword [ebp - 4]
mov eax, dword [edx]
add edx, 4
mov dword [ebx + ecx*4 + 0x1e8], eax
mov ecx, dword [ebp + 0xc]
mov dword [ebp - 4], edx
cmp esi, ecx
jl 0x1006896d
cmp esi, dword [ebp + 0x14]
jge 0x10068b36
mov dword [ebp - 4], 0x1024c270
mov edx, dword [ebx + ecx*4 + 0x410]
mov eax, edx
sar eax, 0x10
movzx eax, al
movsx ecx, byte [eax + str.cw]
mov eax, dword [ebp - 4]
movsx eax, byte [eax]
xor ecx, eax
mov eax, edx
sar eax, 8
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
sar edx, 0x18
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
lea eax, [ebx + 0x414]
xor dword [eax], ecx
inc dword [ebp - 4]
mov ecx, dword [ebp + 0xc]
cmp ecx, 8
je 0x10068a4f
cmp ecx, 1
jle 0x10068ad6
lea edx, [ebx + 0x418]
lea edi, [ecx - 1]
mov eax, dword [edx - 4]
xor dword [edx], eax
lea edx, [edx + 4]
sub edi, 1
jne 0x10068a3a
mov edi, dword [ebp + 8]
jmp 0x10068ad0
push 3
lea ecx, [ebx + 0x418]
pop edx
mov eax, dword [ecx - 4]
xor dword [ecx], eax
lea ecx, [ecx + 4]
sub edx, 1
jne 0x10068a58
mov edx, dword [ebx + 0x420]
mov eax, edx
sar eax, 0x18
movzx eax, al
push 3
movsx ecx, byte [eax + str.cw]
mov eax, edx
sar eax, 0x10
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
mov eax, edx
sar eax, 8
movzx eax, al
shl ecx, 8
movzx eax, byte [eax + str.cw]
xor ecx, eax
movzx eax, dl
shl ecx, 8
pop edx
movzx eax, byte [eax + str.cw]
xor ecx, eax
xor dword [ebx + 0x424], ecx
lea ecx, [ebx + 0x428]
mov eax, dword [ecx - 4]
xor dword [ecx], eax
lea ecx, [ecx + 4]
sub edx, 1
jne 0x10068ac0
mov ecx, dword [ebp + 0xc]
lea eax, [ebx + 0x414]
and dword [ebp - 0xc], 0
test ecx, ecx
jle 0x10068b2d
mov ecx, eax
mov dword [ebp - 8], ecx
jmp 0x10068ae8
mov ecx, dword [ebp - 8]
cmp esi, dword [ebp + 0x14]
jge 0x10068b36
mov eax, esi
mov ecx, dword [ecx]
cdq
idiv edi
lea esi, [edx + eax*8]
mov dword [ebx + esi*4 + 8], ecx
mov ecx, dword [ebx + 0x3d0]
mov esi, dword [ebp + 0x10]
sub ecx, eax
lea ecx, [edx + ecx*8]
mov edx, dword [ebp - 8]
mov eax, dword [edx]
add edx, 4
mov dword [ebx + ecx*4 + 0x1e8], eax
mov eax, dword [ebp - 0xc]
mov ecx, dword [ebp + 0xc]
inc eax
inc esi
mov dword [ebp - 0xc], eax
mov dword [ebp - 8], edx
mov dword [ebp + 0x10], esi
cmp eax, ecx
jl 0x10068ae5
cmp esi, dword [ebp + 0x14]
jl 0x100689c2
xor esi, esi
inc esi
cmp dword [ebx + 0x3d0], esi
jle 0x10068bb0
lea eax, [ebx + 0x208]
mov dword [ebp + 0xc], eax
test edi, edi
jle 0x10068ba1
mov ebx, edi
mov dword [ebp + 0x10], eax
mov edi, eax
mov edx, dword [edi]
mov eax, edx
sar eax, 0x18
movzx ecx, al
mov eax, edx
sar eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x1024b270]
xor ecx, dword [eax*4 + 0x1024b670]
mov eax, edx
sar eax, 8
movzx eax, al
xor ecx, dword [eax*4 + 0x1024ba70]
movzx eax, dl
xor ecx, dword [eax*4 + 0x1024be70]
mov dword [edi], ecx
lea edi, [edi + 4]
sub ebx, 1
jne 0x10068b55
mov ebx, dword [ebp - 0x10]
mov edi, dword [ebp + 8]
mov eax, dword [ebp + 0xc]
inc esi
add eax, 0x20
mov dword [ebp + 0xc], eax
cmp esi, dword [ebx + 0x3d0]
jl 0x10068b4a
mov byte [ebx + 4], 1
pop edi
pop esi
pop ebx
leave
ret 0x10