NR_PrivateKey::NR_PrivateKey(const AlgorithmIdentifier& alg_id,
const secure_vector<byte>& key_bits,
RandomNumberGenerator& rng) :
DL_Scheme_PrivateKey(alg_id, key_bits, DL_Group::ANSI_X9_57)
{
m_y = power_mod(group_g(), m_x, group_p());
load_check(rng);
}
DSA_PrivateKey::DSA_PrivateKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits,
RandomNumberGenerator& rng) :
DL_Scheme_PrivateKey(alg_id, key_bits, DL_Group::ANSI_X9_57)
{
y = power_mod(group_g(), x, group_p());
load_check(rng);
}
void
check_mainloop(void)
{
time_t now = 0, then = 0;
useconds_t sleeptime;
int delta = 0;
/* init */
status_alerted.alert_load = false;
status_alerted.alert_disk = false;
status_alerted.alert_cpu = false;
sleeptime = 100000;
numcpus = num_cpus();
http_fetch_url(hburl);
vbprintf("Found %d cpus\n", numcpus);
database_init();
/*
* XXX: Right here we're just spinning in place. The reason for this
* is to be able to have different intervals for the checking process
* (disk/cpu/load), and also for the heartbeat-process, which might
* check at different intervals. I might separate this out into
* another file so we have a rudimentary timer-based scheduler that
* can shoot off different functions at variable intervals.
*/
time(&then);
while (1) {
int sampletrig = 0, hbtrig = 0;
time(&now);
delta = (int) now - (int) then;
sampletrig = delta % interval;
hbtrig = delta % hbinterval;
if (!sampletrig) {
load_check();
disk_check(diskpaths);
cpu_check();
check_alert();
sleep(1); /* make sure trig status is over */
}
if (!hbtrig) {
http_fetch_url(hburl);
sleep(1); /* make sure trig status is over */
}
usleep(sleeptime);
}
}
/*************************************************
* Algorithm Specific PKCS #8 Initialization Code *
*************************************************/
void DH_PrivateKey::PKCS8_load_hook(RandomNumberGenerator& rng,
bool generated)
{
if(y == 0)
y = power_mod(group_g(), x, group_p());
core = DH_Core(rng, group, x);
if(generated)
gen_check(rng);
else
load_check(rng);
}
Curve25519_PrivateKey::Curve25519_PrivateKey(const AlgorithmIdentifier&,
const secure_vector<byte>& key_bits,
RandomNumberGenerator& rng)
{
BER_Decoder(key_bits)
.start_cons(SEQUENCE)
.decode(m_public, OCTET_STRING)
.decode(m_private, OCTET_STRING)
.verify_end()
.end_cons();
size_check(m_public.size(), "public key");
size_check(m_private.size(), "private key");
load_check(rng);
}
/*
* Create a NR private key
*/
NR_PrivateKey::NR_PrivateKey(RandomNumberGenerator& rng,
const DL_Group& grp,
const BigInt& x_arg)
{
m_group = grp;
m_x = x_arg;
if(m_x == 0)
m_x = BigInt::random_integer(rng, 2, group_q() - 1);
m_y = power_mod(group_g(), m_x, group_p());
if(x_arg == 0)
gen_check(rng);
else
load_check(rng);
}
IF_Scheme_PrivateKey::IF_Scheme_PrivateKey(RandomNumberGenerator& rng,
const AlgorithmIdentifier&,
const secure_vector<byte>& key_bits)
{
BER_Decoder(key_bits)
.start_cons(SEQUENCE)
.decode_and_check<size_t>(0, "Unknown PKCS #1 key format version")
.decode(m_n)
.decode(m_e)
.decode(m_d)
.decode(m_p)
.decode(m_q)
.decode(m_d1)
.decode(m_d2)
.decode(m_c)
.end_cons();
load_check(rng);
}
/*
* Create a DH private key
*/
DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng,
const DL_Group& grp,
const BigInt& x_arg)
{
group = grp;
x = x_arg;
if(x == 0)
{
const BigInt& p = group_p();
x.randomize(rng, 2 * dl_work_factor(p.bits()));
}
if(y == 0)
y = power_mod(group_g(), x, group_p());
if(x == 0)
gen_check(rng);
else
load_check(rng);
}
