elif (arg == '--sha3-224'):
instance = (1152, 448, 0x06, 224)
printAsBase64 = False
elif (arg == '--sha3-256'):
instance = (1088, 512, 0x06, 256)
printAsBase64 = False
elif (arg == '--sha3-384'):
instance = (832, 768, 0x06, 384)
printAsBase64 = False
elif (arg == '--sha3-512'):
instance = (576, 1024, 0x06, 512)
printAsBase64 = False
else:
print('Unrecognized option:', arg)
else:
fileName = arg
try:
with open(fileName, 'rb') as f:
b = bytearray(f.read())
(r, c, s, n) = instance
h = CompactFIPS202.Keccak(r, c, b, s, n // 8)
if (printAsBase64):
print(bytes.decode(base64.standard_b64encode(h)), '',
fileName)
else:
print(bytes.decode(binascii.hexlify(h)), '', fileName)
except IOError:
pass
except:
raise
def dohash(self, msg):
return CompactFIPS202.Keccak(1552, 48, bytearray(msg), 0x06, 32)
exit()
#Parse the document line by line (works only for Short and Long files)
for line in referenceFile:
if line.startswith('Len'):
Len=int(line.split(' = ')[1].strip('\n\r'))
if line.startswith('Msg'):
Msg=line.split(' = ')[1].strip('\n\r')
msg = bytearray(binascii.unhexlify(Msg))
msg = msg[:Len//8]
if (line.startswith('MD') or line.startswith('Squeezed')):
MD_ref=line.split(' = ')[1].strip('\n\r')
reference = bytearray(binascii.unhexlify(MD_ref))
# If line starts with 'Squeezed', use the output length from the test vector
if line.startswith('Squeezed'):
n = len(reference)*8
elif n == 0:
print("Error: the output length should be specified")
exit()
if ((Len % 8) == 0):
# Perform our own computation
computed = CompactFIPS202.Keccak(r, c, msg, delimitedSuffix, n//8)
#Compare the results
if (computed != reference):
print('ERROR: \n\t type=%s\n\t length=%d\n\t message=%s\n\t reference=%s\n\t computed=%s' % (fileNameSuffix, Len, Msg, binascii.hexlify(reference), binascii.hexlify(computed)))
exit()
print("OK\n")
referenceFile.close()
from ParallelHash import ParallelHash256, cSHAKE256
import Util
import binascii
import CompactFIPS202
s = Util.to_bitstring(bytearray("hello world!", encoding='utf-8'))
print(bytes.decode(binascii.hexlify(ParallelHash256(s,5))))
s = bytearray(binascii.unhexlify("000102030405060710111213141516172021222324252627"))
s = Util.to_bitstring(s)
print(bytes.decode(binascii.hexlify(ParallelHash256(s, 8))))
print(cSHAKE256(s, 256, "", ""))
print(CompactFIPS202.SHAKE256(bytearray("hello world!", encoding='utf-8'), 256//8))
b = bytearray("hello world!", encoding='utf-8')
print(b)
dict = {}
collision = False
counter = 0
msg1 = b''
msg2 = b''
cap = 48
while not collision:
counter += 1
if (counter % 1000 == 0):
print(counter)
msg = urandom((1600 - cap) // 8)
hsh = CompactFIPS202.Keccak(1600 - cap, cap, msg, 0x06, 200)
C = hsh[-(cap // 8):].hex()
if C in dict:
msg1 = msg
msg2 = dict[C]
collision = True
else:
dict[C] = msg
hsh1 = CompactFIPS202.Keccak(1600 - cap, cap, msg1, 0x06, 200)
hsh2 = CompactFIPS202.Keccak(1600 - cap, cap, msg2, 0x06, 200)
print(hsh1.hex())
print()
print(hsh2.hex())
print()
import binascii
import CompactFIPS202 as keccak
s = "HELLO WorlD"
hash = keccak.SHA3_512(bytearray(s.encode('utf-8')))
hex = binascii.hexlify(hash)
print hex