def test(itt):
for i in range(itt):
size_src = random.randint(-10000, 10000)
size_key = random.randint(-10000, 10000)
st = random.randint(-10000, 10000)
le = random.randint(-10000, 10000)
try:
src = rnd.get_rnd(size_src)
key = rnd.get_rnd(size_key)
h0 = ncp.hash_r(src, 16)
ncp.encoder_bits(src, key, st, le)
ncp.decoder_bits(src, key, st, le)
h1 = ncp.hash_r(src, 16)
if h0 == h1:
print('[%4d] %8d %8d %8d %8d - test bits - ok' %
(i, size_src, size_key, st, le))
else:
print('[%4d] %8d %8d %8d %8d - test bits - hash !=' %
(i, size_src, size_key, st, le))
return (1)
except:
print('[%4d] %8d %8d %8d %8d - test bits -error' %
(i, size_src, size_key, st, le))
return (1)
return (0)
def test(itt):
for i in range(itt):
size_src = random.randint(-10000, 10000)
st = random.randint(-10000, 10000)
le = random.randint(-10000, 10000)
sh = random.randint(-10000, 10000)
sh_inv = 0 - sh
try:
src = rnd.get_rnd(size_src)
h0 = ncp.hash_r(src, 16)
ncp.shift(src, st, le, sh)
ncp.shift(src, st, le, sh_inv)
h1 = ncp.hash_r(src, 16)
if h0 == h1:
print('[%4d] %8d %8d %8d %8d - test shift - ok' %
(i, size_src, st, le, sh))
else:
print('[%4d] %8d %8d %8d %8d - test shift - hash !=' %
(i, size_src, st, le, sh))
return (1)
except:
print('[%4d] %8d %8d %8d %8d - test shift - error' %
(i, size_src, st, le, sh))
return (1)
return (0)
def test(itt):
for i in range(itt):
size_src = random.randint(-10000, 10000)
st = random.randint(-10000, 10000)
le = random.randint(-10000, 10000)
try:
src = rnd.get_rnd(size_src)
h0 = ncp.hash_r(src, 16)
ncp.reverse(src, st, le)
ncp.reverse(src, st, le)
h1 = ncp.hash_r(src, 16)
if h0 == h1:
print('[%4d] %8d %8d %8d - test reverse - ok' %
(i, size_src, st, le))
else:
print('[%4d] %8d %8d %8d - test reverse - hash !=' %
(i, size_src, st, le))
return (1)
except:
print('[%4d] %8d %8d %8d - test reverse - error' %
(i, size_src, st, le))
return (1)
return (0)
#!/usr/bin/env python3 import prn import rnd # ---------------------------------------------------------------------------- # a = rnd.get_rnd(32) prn.print_bytes(a, 24) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(1343) prn.print_bytes(a, 16) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(332) prn.print_bytes(a, 8) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(1011) prn.print_bytes(a, 1) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(100) prn.print_bytes(a, 2) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(100) prn.print_bytes(a, 25) # ---------------------------------------------------------------------------- # a = rnd.get_rnd(1023)
# parse arguments
src = ''
st = 0
le = 0
try:
src = sys.argv[1]
src = src.encode('utf-8')
st = int(sys.argv[2])
le = int(sys.argv[3])
except:
print('Usage: <string> <start> <len>')
exit()
print('-' * 80)
print(src)
# ---------------------------------------------------------------------------- #
key = rnd.get_rnd(128)
ncp.encoder_bits(src, key, st, le)
prn.print_bytes(src, 16)
ncp.decoder_bits(src, key, st, le)
prn.print_bytes(src, 16)
usrc = src.decode('utf-8')
print('-' * 80)
print(usrc)