const char *mpw_idForBuf(const void *buf, size_t length) {
uint8_t hash[32];
SHA256_Buf( buf, length, hash );
return mpw_hex( hash, 32 );
}
int main(int argc, char *const argv[]) {
const char *fullName = "Robert Lee Mitchel";
const char *masterPassword = "******";
const char *siteName = "masterpasswordapp.com";
const uint32_t siteCounter = 1;
const MPSiteType siteType = MPSiteTypeGeneratedLong;
const MPSiteVariant siteVariant = MPSiteVariantPassword;
const char *siteContext = NULL;
struct timeval startTime;
// Start MPW
unsigned int iterations = 100;
mpw_getTime( &startTime );
for (int i = 0; i < iterations; ++i) {
const uint8_t *masterKey = mpw_masterKeyForUser(
fullName, masterPassword, MPAlgorithmVersionCurrent );
if (!masterKey)
ftl( "Could not allocate master key: %d\n", errno );
free( (void *)mpw_passwordForSite(
masterKey, siteName, siteType, siteCounter, siteVariant, siteContext, MPAlgorithmVersionCurrent ) );
free( (void *)masterKey );
if (i % ( iterations / 100 ) == 0)
fprintf( stderr, "\rmpw: iteration %d / %d (%d%%)..", i, iterations, i * 100 / iterations );
}
const double mpwSpeed = mpw_showSpeed( startTime, iterations, "mpw" );
// Start SHA-256
iterations = 45000000;
uint8_t hash[32];
mpw_getTime( &startTime );
for (int i = 0; i < iterations; ++i) {
SHA256_Buf( masterPassword, strlen( masterPassword ), hash );
if (i % ( iterations / 100 ) == 0)
fprintf( stderr, "\rsha256: iteration %d / %d (%d%%)..", i, iterations, i * 100 / iterations );
}
const double sha256Speed = mpw_showSpeed( startTime, iterations, "sha256" );
// Start BCrypt
int bcrypt_cost = 9;
iterations = 1000;
mpw_getTime( &startTime );
for (int i = 0; i < iterations; ++i) {
crypt( masterPassword, crypt_gensalt( "$2b$", bcrypt_cost, fullName, strlen( fullName ) ) );
if (i % ( iterations / 100 ) == 0)
fprintf( stderr, "\rbcrypt (cost %d): iteration %d / %d (%d%%)..", bcrypt_cost, i, iterations, i * 100 / iterations );
}
const double bcrypt9Speed = mpw_showSpeed( startTime, iterations, "bcrypt9" );
// Summarize.
fprintf( stdout, "\n== SUMMARY ==\nOn this machine,\n" );
fprintf( stdout, " - mpw is %f times slower than sha256 (reference: 320000 on an MBP Late 2013).\n", sha256Speed / mpwSpeed );
fprintf( stdout, " - mpw is %f times slower than bcrypt (cost 9) (reference: 22 on an MBP Late 2013).\n", bcrypt9Speed / mpwSpeed );
return 0;
}
