Function at 0x10020b5f
Capabilities:
Encode data using xor
Encrypt data using des

Disassembly:
push ebx
push ebp
push esi
push edi
movzx eax, byte [edx + 1]
movzx esi, byte [edx]
lea ebp, [ecx + 4]
movzx ecx, byte [edx + 4]
shl esi, 8
or esi, eax
shl ecx, 8
movzx eax, byte [edx + 2]
shl esi, 8
or esi, eax
movzx eax, byte [edx + 3]
shl esi, 8
or esi, eax
movzx eax, byte [edx + 5]
or ecx, eax
movzx eax, byte [edx + 6]
shl ecx, 8
or ecx, eax
movzx eax, byte [edx + 7]
shl ecx, 8
or ecx, eax
mov eax, esi
shr eax, 4
xor eax, ecx
and eax, 0xf0f0f0f
xor ecx, eax
shl eax, 4
xor esi, eax
mov eax, esi
shr eax, 0x10
xor eax, ecx
movzx eax, ax
xor ecx, eax
shl eax, 0x10
xor esi, eax
mov eax, ecx
shr eax, 2
xor eax, esi
and eax, 0x33333333
xor esi, eax
shl eax, 2
xor ecx, eax
mov ebx, ecx
shr ebx, 8
xor ebx, esi
and ebx, 0xff00ff
xor esi, ebx
shl ebx, 8
xor ebx, ecx
rol ebx, 1
mov edi, ebx
xor edi, esi
and edi, 0xaaaaaaaa
xor ebx, edi
xor edi, esi
push 8
rol edi, 1
pop esi
mov edx, dword [ebp]
lea ebp, [ebp + 0x10]
xor edx, ebx
mov ecx, edx
mov eax, edx
shr ecx, 0x18
and ecx, 0x3f
shr eax, 0x10
and eax, 0x3f
mov ecx, dword [ecx*4 + 0x10044210]
xor ecx, dword [eax*4 + 0x10044710]
mov eax, edx
shr eax, 8
and edx, 0x3f
and eax, 0x3f
xor ecx, dword [eax*4 + 0x10044410]
xor ecx, dword [edx*4 + 0x10044510]
mov edx, ebx
xor edi, ecx
ror edx, 4
xor edx, dword [ebp - 0xc]
mov ecx, edx
mov eax, edx
shr ecx, 0x18
and ecx, 0x3f
shr eax, 0x10
and eax, 0x3f
mov ecx, dword [ecx*4 + 0x10044110]
xor ecx, dword [eax*4 + 0x10044810]
mov eax, edx
shr eax, 8
and edx, 0x3f
and eax, 0x3f
xor ecx, dword [eax*4 + 0x10044010]
xor ecx, dword [edx*4 + 0x10044610]
mov edx, dword [ebp - 8]
xor edi, ecx
xor edx, edi
mov ecx, edx
mov eax, edx
shr ecx, 0x18
and ecx, 0x3f
shr eax, 0x10
and eax, 0x3f
mov ecx, dword [ecx*4 + 0x10044210]
xor ecx, dword [eax*4 + 0x10044710]
mov eax, edx
shr eax, 8
and edx, 0x3f
and eax, 0x3f
xor ecx, dword [eax*4 + 0x10044410]
xor ecx, dword [edx*4 + 0x10044510]
mov edx, edi
xor ebx, ecx
ror edx, 4
xor edx, dword [ebp - 4]
mov ecx, edx
mov eax, edx
shr ecx, 0x18
and ecx, 0x3f
shr eax, 0x10
and eax, 0x3f
mov ecx, dword [ecx*4 + 0x10044110]
xor ecx, dword [eax*4 + 0x10044810]
mov eax, edx
shr eax, 8
and edx, 0x3f
and eax, 0x3f
xor ecx, dword [eax*4 + 0x10044010]
xor ecx, dword [edx*4 + 0x10044610]
xor ebx, ecx
sub esi, 1
jne 0x10020c03
ror ebx, 1
mov edx, ebx
mov ecx, dword [esp + 0x14]
xor edx, edi
and edx, 0xaaaaaaaa
xor ebx, edx
xor edx, edi
ror edx, 1
mov eax, edx
shr eax, 8
xor eax, ebx
and eax, 0xff00ff
xor ebx, eax
shl eax, 8
xor edx, eax
mov eax, edx
shr eax, 2
xor eax, ebx
and eax, 0x33333333
xor ebx, eax
shl eax, 2
xor edx, eax
mov eax, ebx
shr eax, 0x10
xor eax, edx
movzx eax, ax
xor edx, eax
shl eax, 0x10
xor ebx, eax
mov eax, ebx
shr eax, 4
xor eax, edx
and eax, 0xf0f0f0f
xor edx, eax
shl eax, 4
xor ebx, eax
mov byte [ecx + 7], dl
mov eax, ebx
mov byte [ecx + 3], bl
shr eax, 0x18
mov byte [ecx], al
mov eax, ebx
shr eax, 0x10
mov byte [ecx + 1], al
mov eax, ebx
shr eax, 8
mov byte [ecx + 2], al
mov eax, edx
shr eax, 0x18
mov byte [ecx + 4], al
mov eax, edx
shr eax, 0x10
mov byte [ecx + 5], al
mov eax, edx
pop edi
pop esi
shr eax, 8
pop ebp
mov byte [ecx + 6], al
xor eax, eax
pop ebx
ret