260 lines
10 KiB
Python
Executable File
260 lines
10 KiB
Python
Executable File
#!/usr/bin/python
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# MaskGen - Generate Password Masks
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#
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# This tool is part of PACK (Password Analysis and Cracking Kit)
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#
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# VERSION 0.0.2
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#
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# Copyright (C) 2013 Peter Kacherginsky
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import csv, string
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import datetime
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from operator import itemgetter
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from optparse import OptionParser
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VERSION = "0.0.2"
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# PPS (Passwords per Second) Cracking Speed
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pps = 1000000000
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# Global Variables
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mastermasks = dict()
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allmasks = dict()
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##################################################################
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## Calculate complexity of a single mask
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##################################################################
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def complexity(mask):
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count = 1
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for char in mask[1:].split("?"):
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# Loweralpha
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if char == "l":
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count *= 26
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# Upperalpha
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elif char == "u":
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count *= 26
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# Numeric
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elif char == "d":
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count *= 10
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# Special
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elif char == "s":
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count *= 33
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# Unknown mask
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else:
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print "[!] Error, unknown mask ?%s in a mask %s" % (char,mask)
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return count
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###################################################################
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## Calculate complexity of a complex mask
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###################################################################
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def maskcomplexity(mask):
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combined_complexity = 1
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for submask in mask.split():
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combined_complexity *= complexity(submask)
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return combined_complexity
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###################################################################
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## Check if complex mask matches a sample mask
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###################################################################
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def matchmask(checkmask,mask):
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length = len(mask)/2
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checklength = len(checkmask.split(" "))
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if length == checklength:
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masklist = mask[1:].split("?")
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for i, submask in enumerate(checkmask.split(" ")):
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for char in submask[1:].split("?"):
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if char == masklist[i]:
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break
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else:
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return False
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else:
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return True
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else:
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return False
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###################################################################
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## Combine masks
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###################################################################
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def genmask(mask):
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global mastermasks
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length = len(mask)/2
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if not length in mastermasks:
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mastermasks[length] = dict()
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for i,v in enumerate(mask[1:].split("?")):
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if not i in mastermasks[length]:
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mastermasks[length][i] = set()
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mastermasks[length][i].add("?%s" % v)
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###################################################################
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## Store all masks in based on length and count
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###################################################################
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def storemask(mask,occurrence):
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global allmasks
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length = len(mask)/2
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if not length in allmasks:
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allmasks[length] = dict()
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allmasks[length][mask] = int(occurrence)
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def main():
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# Constants
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total_occurrence = 0
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sample_occurrence = 0
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sample_time = 0
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# TODO: I want to actually see statistical analysis of masks not just based on size but also frequency and time
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# per length and per count
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header = " _ \n"
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header += " MaskGen 0.0.2 | |\n"
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header += " _ __ __ _ ___| | _\n"
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header += " | '_ \ / _` |/ __| |/ /\n"
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header += " | |_) | (_| | (__| < \n"
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header += " | .__/ \__,_|\___|_|\_\\\n"
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header += " | | \n"
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header += " |_| iphelix@thesprawl.org\n"
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header += "\n"
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parser = OptionParser("%prog [options] masksfile.csv", version="%prog "+VERSION)
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parser.add_option("--minlength", dest="minlength",help="Minimum password length", type="int", metavar="8")
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parser.add_option("--maxlength", dest="maxlength",help="Maximum password length", type="int", metavar="8")
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parser.add_option("--mintime", dest="mintime",help="Minimum time to crack", type="int", metavar="")
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parser.add_option("--maxtime", dest="maxtime",help="Maximum time to crack", type="int", metavar="")
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parser.add_option("--complexity", dest="complexity",help="maximum password complexity", type="int", metavar="")
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parser.add_option("--occurrence", dest="occurrence",help="minimum times mask was used", type="int", metavar="")
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parser.add_option("--checkmask", dest="checkmask",help="check mask coverage", metavar="?u?l ?l ?l ?l ?l ?d")
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parser.add_option("--showmasks", dest="showmasks",help="Show matching masks", action="store_true", default=False)
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parser.add_option("--pps", dest="pps",help="Passwords per Second", type="int", default=pps, metavar="1000000000")
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parser.add_option("-o", "--masksoutput", dest="masks_output",help="Save masks to a file", metavar="masks.hcmask")
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parser.add_option("-q", "--quiet", action="store_true", dest="quiet", default=False, help="Don't show headers.")
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(options, args) = parser.parse_args()
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# Print program header
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if not options.quiet:
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print header
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if len(args) != 1:
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parser.error("no masks file specified")
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exit(1)
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print "[*] Analysing masks: %s" % args[0]
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maskReader = csv.reader(open(args[0],'r'), delimiter=',', quotechar='"')
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#headerline = maskReader.next()
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# Check the coverage of a particular mask for a given set
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if options.checkmask:
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length = len(options.checkmask.split(" "))
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# Prepare master mask list for analysis
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mastermasks[length] = dict()
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for i, submask in enumerate(options.checkmask.split(" ")):
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mastermasks[length][i] = set()
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for char in submask[1:].split("?"):
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mastermasks[length][i].add("?%s" % char)
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for (mask,occurrence) in maskReader:
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total_occurrence += int(occurrence)
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if matchmask(options.checkmask,mask):
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sample_occurrence += int(occurrence)
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storemask(mask,occurrence)
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# Generate masks from a given set
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else:
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for (mask,occurrence) in maskReader:
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total_occurrence += int(occurrence)
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if (not options.occurrence or int(occurrence) >= options.occurrence) and \
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(not options.maxlength or len(mask)/2 <= options.maxlength) and \
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(not options.minlength or len(mask)/2 >= options.minlength) and \
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(not options.complexity or complexity(mask) <= options.complexity) and \
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(not options.maxtime or complexity(mask)/options.pps <= options.maxtime) and \
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(not options.mintime or complexity(mask)/options.pps >= options.mintime):
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genmask(mask)
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storemask(mask,occurrence)
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sample_occurrence += int(occurrence)
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####################################################################################
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## Analysis
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####################################################################################
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if options.masks_output:
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f = open(options.masks_output,'w+')
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for length,lengthmask in sorted(mastermasks.iteritems()):
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maskstring = ""
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for position,maskset in lengthmask.iteritems():
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maskstring += "%s " % string.join(maskset,"")
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length_occurrence = 0
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combined_mask_time = 0
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# Calculate occurrence and time complexity of component masks
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# for each password length.
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for mask, occurrence in allmasks[length].iteritems():
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length_occurrence += int(occurrence)
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combined_mask_time += complexity(mask)/options.pps
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sample_time += combined_mask_time
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time_string = "Don't bother."
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if not combined_mask_time > 3784320000:
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time_string = str(datetime.timedelta(seconds=combined_mask_time))
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print "[*] [%d] [%d/%d] [%.02f] [%s]" % (length, length_occurrence, total_occurrence, length_occurrence*100/total_occurrence, time_string)
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if options.showmasks:
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for mask,mask_occurrence in sorted(allmasks[length].iteritems(),key=itemgetter(1),reverse=True):
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mask_time = complexity(mask)/options.pps
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print " [%d] [%d/%d] [%.02f] [%.02f] [%dd|%dh|%dm|%ds] %s" % (length, mask_occurrence, length_occurrence, mask_occurrence*100/length_occurrence, mask_occurrence*100/total_occurrence,mask_time/60/60/24, mask_time/60/60, mask_time/60, mask_time,mask)
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if options.masks_output:
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for mask,mask_occurrence in sorted(allmasks[length].iteritems(),key=itemgetter(1),reverse=True):
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f.write("%s\n" % mask)
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print "[*] Coverage is %%%d (%d/%d)" % (sample_occurrence*100/total_occurrence,sample_occurrence,total_occurrence)
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print "[*] Total time [%dd|%dh|%dm|%ds]" % (sample_time/60/60/24,sample_time/60/60,sample_time/60,sample_time)
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if __name__ == "__main__":
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main()
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