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i need this function


int power(int x, int exp, int n)
{
int res = 1; // Initialize result

x = x % n; // Update x if it is more than or
// equal to p

hello, im searching a function in c for modular exponentiation modpow using bigint.
i just find for c#, anyone can help?

many thanks , it works.

hello, i would like some best way to increment in hex.
example:


uint8_t key[16]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0xFF};

increment value and result:

Im novice to c code , can you add code at code above?

Hello , im sending a message "teste" by udp socket, i would like to add a sequence number at teste like:

teste1
teste2
teste3
teste4 and so on....
i got this peace of code: