char *FMT_make_id(char *addr, char *subject, params_t params)
{
char *year = FMT_get_year();
int i;
char *s;
if (!addr) {
return NULL;
}
//XXX: yet another magic number
i = strlen(addr) + strlen(IBE_system(params)) + 1000;
if (subject) i += strlen(subject);
s = (char *) malloc(i);
i = sprintf(s, "purpose=email&date=%s&id=%s&", year, addr);
if (subject) {
i += sprintf(&s[i], "subject=%s&", subject);
}
sprintf(&s[i], "system=%s", IBE_system(params));
free(year);
return s;
}
int certify(int argc, char **argv)
{
char *id;
char *public;
int count = IBE_threshold(params);
char **sfiles;
int i;
byte_string_t master;
byte_string_t pub;
byte_string_t cert;
if (argc < 2) {
printf("Usage: certify ID SHAREFILES\n\n");
printf("Creates a certificate for the ID, signed by share\n");
return 1;
}
id = IBE_system(params);
public = argv[1];
