elif opts.action=='de':
ensure_self_specified(opts)
ensure_name_specified(opts)
sec = mpecdh_end_handler(opts.name, opts.self, opts.infile, opts.outfile, opts.basedir)
if sec:
print >>sys.stderr, "[pbp] pushed shared secret, hash", b85encode(nacl.crypto_generichash(sec, outlen=6))
clearmem(sec)
sec = None
elif opts.action=='R':
ensure_size_good(opts)
if PITCHFORK and opts.PITCHFORK:
pitchfork.init()
pitchfork.rng(int(opts.size), opts.outfile)
else:
random_stream_handler(opts.outfile, opts.size)
elif opts.action=='h':
hsum = hash_handler(opts.infile, k=load_key(opts.key), outlen=int(opts.size or '16'))
if hsum:
print ' '.join(split_by_n(binascii.hexlify(hsum),4))
def load_key(key):
# asserts that self is specified
if not key:
return None
if os.path.exists(key):
with open(key,'r') as fd:
key = fd.read()
return key
clearmem(sec)
sec = None
# finish ECDH
elif opts.action=='de':
ensure_self_specified(opts)
ensure_name_specified(opts)
sec = mpecdh_end_handler(opts.name, opts.self, opts.infile, opts.outfile, opts.basedir)
if sec:
print >>sys.stderr, "pushed shared secret, hash", b85encode(nacl.crypto_generichash(sec, outlen=6))
clearmem(sec)
sec = None
elif opts.action=='R':
ensure_size_good(opts)
random_stream_handler(opts.outfile, opts.size)
def ensure_self_specified(opts):
# asserts that self is specified
if not opts.self:
die("Error: need to specify your own key using the --self param")
def ensure_name_specified(opts):
# asserts that name is specified
if not opts.name:
die("Error: need to specify a key to operate on using the --name param")
def ensure_recipient_specified(opts):
# asserts that recipient is specified
if not opts.recipient:
die("Error: need to specify a recipient to "
