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#!/usr/bin/python
#
from __future__ import division, print_function
import argparse
import json
import random
import string
import subprocess
import sys
class argonRunner(object):
GOODCHARS = string.ascii_letters + string.digits
def __init__(self, args):
self.exe = args.exe
self.mnsaltlen = args.mnsaltlen
self.mnpwlen = args.mnpwlen
self.mndgstlen = args.mndgstlen
self.mnmem = args.mnmem
self.mniters = args.mniters
self.mxsaltlen = args.mxsaltlen
self.mxpwlen = args.mxpwlen
self.mxdgstlen = args.mxdgstlen
self.mxmem = args.mxmem
self.mxiters = args.mxiters
self.encoded = args.encoded
self.rng = random.SystemRandom()
self.version = args.version
self.construct = args.construct
self.maxcount = args.n
self.count = 0
def _runOnce(self, passwd, salt, dgst_len, maxmem, iters):
"""
"""
argv = [self.exe, salt.encode('ascii'),
'-t', '{0:2d}'.format(iters),
'-m', '{0:2d}'.format(maxmem),
'-l', '{0:3d}'.format(dgst_len),
'-v', self.version,
]
if self.encoded:
argv.append('-e')
mode = 'crypt'
else:
argv.append('-r')
mode = 'raw'
if self.construct == 'argon2i':
argv.append('-i')
elif self.construct == 'argon2d':
argv.append('-d')
elif self.construct == 'argon2id':
argv.append('-id')
p = subprocess.Popen(argv, stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
out, err = p.communicate(passwd.encode('ascii'))
return dict(passwd=passwd, salt=salt, dgst_len=dgst_len,
maxmem=2 ** maxmem, iters=iters, mode=mode,
pwhash=out.decode('ascii').rstrip(),
construct=self.construct,
)
def _genSalt(self):
sltln = self.rng.randint(self.mnsaltlen, self.mxsaltlen)
chrs = [self.rng.choice(self.GOODCHARS) for x in range(sltln)]
return ''.join(chrs)
def _genPw(self):
pwln = self.rng.randint(self.mnpwlen, self.mxpwlen)
chrs = [self.rng.choice(self.GOODCHARS) for x in range(pwln)]
return ''.join(chrs)
def __next__(self):
if self.count >= self.maxcount:
raise StopIteration
psw = self._genPw()
slt = self._genSalt()
mem = self.rng.randint(self.mnmem, self.mxmem)
iters = self.rng.randint(self.mniters, self.mxiters)
dgstln = self.rng.randint(self.mndgstlen, self.mxdgstlen)
rs = self._runOnce(psw, slt, dgstln, mem, iters)
self.count += 1
return rs
def __iter__(self):
return self
next = __next__
if __name__ == '__main__':
p = argparse.ArgumentParser()
p.add_argument('-x', '--executable', dest='exe', required=True)
p.add_argument('-c', '--construction', dest='construct',
type=str, default='argon2i')
p.add_argument('-v', '--version', dest='version',
type=str, default='13')
p.add_argument('-e', '--encoded', dest='encoded', default=False,
action='store_true',)
p.add_argument('-s', '--min-salt-len', dest='mnsaltlen', type=int,
default=8)
p.add_argument('-S', '--max-salt-len', dest='mxsaltlen', type=int,
default=8)
p.add_argument('-p', '--min-password-len', dest='mnpwlen',
type=int, default=16)
p.add_argument('-P', '--max-password-len', dest='mxpwlen',
type=int, default=16)
p.add_argument('-l', '--min-digest-len', dest='mndgstlen',
type=int, default=64)
p.add_argument('-L', '--max-digest-len', dest='mxdgstlen',
type=int, default=64)
p.add_argument('-m', '--min-memory-exponent', dest='mnmem',
type=int, default=16)
p.add_argument('-M', '--max-memory-exponent', dest='mxmem',
type=int, default=16)
p.add_argument('-t', '--min-time-opscount', dest='mniters',
type=int, default=3)
p.add_argument('-T', '--max-time-opscount', dest='mxiters',
type=int, default=3)
p.add_argument('-n', '--count', dest='n', type=int, default=10)
p.add_argument('-w', '--output', dest='outfile',
default=sys.stdout, type=argparse.FileType('w'))
args = p.parse_args()
res = [x for x in argonRunner(args)]
json.dump(res, args.outfile, indent=2, separators=(',', ': '))
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