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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <glib.h>
#include <pbc.h>
#include <pbc_random.h>
#include "bswabe.h"
#include "common.h"
#include <sys/time.h>
#include <sys/resource.h>
char* usage =
"Usage: cpabe-setup [OPTION ...]\n"
"\n"
"Generate system parameters, a public key, and a master secret key\n"
"for use with cpabe-keygen, cpabe-enc, and cpabe-dec.\n"
"\n"
"Output will be written to the files \"pub_key\" and \"master_key\"\n"
"unless the --output-public-key or --output-master-key options are\n"
"used.\n"
"\n"
"Mandatory arguments to long options are mandatory for short options too.\n\n"
" -h, --help print this message\n\n"
" -v, --version print version information\n\n"
" -p, --output-public-key FILE write public key to FILE\n\n"
" -m, --output-master-key FILE write master secret key to FILE\n\n"
" -d, --deterministic use deterministic \"random\" numbers\n"
" (only for debugging)\n\n"
"";
char* pub_file = "pub_key";
char* msk_file = "master_key";
void
parse_args( int argc, char** argv )
{
int i;
for( i = 1; i < argc; i++ )
if( !strcmp(argv[i], "-h") || !strcmp(argv[i], "--help") )
{
printf("%s", usage);
exit(0);
}
else if( !strcmp(argv[i], "-v") || !strcmp(argv[i], "--version") )
{
printf(CPABE_VERSION, "-setup");
exit(0);
}
else if( !strcmp(argv[i], "-p") || !strcmp(argv[i], "--output-public-key") )
{
if( ++i >= argc )
die(usage);
else
pub_file = argv[i];
}
else if( !strcmp(argv[i], "-m") || !strcmp(argv[i], "--output-master-key") )
{
if( ++i >= argc )
die(usage);
else
msk_file = argv[i];
}
else if( !strcmp(argv[i], "-d") || !strcmp(argv[i], "--deterministic") )
{
pbc_random_set_deterministic(0);
}
else
die(usage);
}
int
main( int argc, char** argv )
{
bswabe_pub_t* pub;
bswabe_msk_t* msk;
parse_args(argc, argv);
bswabe_setup(&pub, &msk);
spit_file(pub_file, bswabe_pub_serialize(pub), 1);
spit_file(msk_file, bswabe_msk_serialize(msk), 1);
// Benchmark
/*
{
double get_time()
{
struct timeval t;
struct timezone tzp;
gettimeofday(&t, &tzp);
return t.tv_sec + t.tv_usec*1e-6;
}
int i;
int n = 100;
double ttotal = 0.0;
for (i = 0; i < n; i++) {
double t0 = get_time();
bswabe_setup(&pub, &msk);
double t1 = get_time();
ttotal += t1 - t0;
}
printf("average setup time (pub key and master key generation) = %f s\n", ttotal / n);
}
*/
return 0;
}
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