#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(){

    char key[65];
    FILE *pipe;
    pipe=popen("openssl rand -hex 33","r");
    fgets(key, 65, pipe);
    fclose(pipe);

    char opensslCommand[100]="openssl enc -e -aes-128-cbc -in clipboard.txt -out cifrado.aes -iv 0 -k ";
    printf("%s\n",opensslCommand);
    strcat(opensslCommand,key);
    printf("%s",opensslCommand);

    system(opensslCommand);
}