Genpassword is a C library for generating unique passwords. Currently, the only available character pool for passwords is [a-zA-Z0-9].
char *generate_password(int length);
Important Note: It is necessary to seed your own random for security reasons. Never seed more than once, unless you know what you are doing!
Installation of this library is accomplished via CLib.
$ clib install boboman13/genpassword.c
This will give you a deps folder with the library.
#include <stdio.h>
#include <time.h>
#include "deps/genpassword.c/genpassword.c"
int main() {
// This is where we seed.
srand(time(NULL));
int length = 10;
char *password = generate_password(length);
printf("%s\n", password);
// We use malloc(), so you must free().
free(password);
return 0;
}
The library is quite fast. According to our benchmark...
Ran on a Macbook Pro.
-> Benchmarking genpassword...
-> 3 runs, 100000 iterations each run, finished in 0.056893 seconds
-> 5273068.32 i/sec
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