def send_to_nym(self, nym, message):
p = self.params
pki = p.pki
db = self.database
print "Nymserver received message for [%s]" % nym
if nym in db and len(db[nym]) > 0:
n0, header0, ktilde = db[nym].pop(0)
body = p.pi(ktilde, pad_body(p.m, ("\x00" * p.k) + message))
pki[n0].process(header0, body)
else:
print "No SURBs available for nym [%s]" % nym
def send_to_nym(self, nym, message):
p = self.params
pki = p.pki
db = self.database
print "Nymserver received message for [%s]" % nym
if nym in db and len(db[nym]) > 0:
n0, header0, ktilde = db[nym].pop(0)
body = p.pi(ktilde, pad_body(p.m, ("\x00" * p.k) + message))
pki[n0].process(header0, body)
else:
print "No SURBs available for nym [%s]" % nym
def create_forward_message(params, nodelist, dest, msg):
p = params
pki = p.pki
nu = len(nodelist)
assert len(dest) < 128 and len(dest) > 0
assert p.k + 1 + len(dest) + len(msg) < p.m
# Compute the header and the secrets
header, secrets = create_header(params, nodelist, Dspec, "\x00" * p.k)
body = pad_body(p.m, ("\x00" * p.k) + Denc(dest) + msg)
# Compute the delta values
delta = p.pi(p.hpi(secrets[nu - 1]), body)
for i in range(nu - 2, -1, -1):
delta = p.pi(p.hpi(secrets[i]), delta)
return header, delta
def create_forward_message(params, nodelist, dest, msg):
p = params
pki = p.pki
nu = len(nodelist)
assert len(dest) < 128 and len(dest) > 0
assert p.k + 1 + len(dest) + len(msg) < p.m
# Compute the header and the secrets
header, secrets = create_header(params, nodelist, Dspec,
"\x00" * p.k)
body = pad_body(p.m, ("\x00" * p.k) + Denc(dest) + msg)
# Compute the delta values
delta = p.pi(p.hpi(secrets[nu-1]), body)
for i in xrange(nu-2, -1, -1):
delta = p.pi(p.hpi(secrets[i]), delta)
return header, delta
