Hi guys, what's up?

Yesterday I was trying to build up a simple encription algorithm that takes
a key and a message and do the xor operation bitwise. The problem is i am
new in Tinyos and in c programming as well. So, let me try to explain
better.

I have two keys, k1 and k2 declared like this: uint8_t key1[10]  =
"1234543253"; uint8_t key2[10] = "1234543323"
I need to distribute those keys btween the motes and to do that in a secure
way i need to do the xor between k1 e k2. So i did like this

int i ;
uint8_t result[10];
for(i = 0; i < 10; i++)
  result[i] = k1[i] ^ k2[i];

I don't know what is wrong with this algorithm, but the compiler have
returned the following error: invalid value in assignment.

I don't know what to do to solve this problem, i have already googled but i
am still lost here.

Thanks for your help.

Igor
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