Added fcrackzip

tools/fcrackzip.md

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+# fcrackzip
+
+Notes
+-------
+Free/Fast Zip Password Cracker
+
+fcrackzip searches each zipfile given for encrypted files and tries  to guess the password. All files must be encrypted with the same password, the more files you provide, the better.
+
+
+Help Text
+-------
+```
+USAGE: fcrackzip
+          [-b|--brute-force]            use brute force algorithm
+          [-D|--dictionary]             use a dictionary
+          [-B|--benchmark]              execute a small benchmark
+          [-c|--charset characterset]   use characters from charset
+          [-h|--help]                   show this message
+          [--version]                   show the version of this program
+          [-V|--validate]               sanity-check the algortihm
+          [-v|--verbose]                be more verbose
+          [-p|--init-password string]   use string as initial password/file
+          [-l|--length min-max]         check password with length min to max
+          [-u|--use-unzip]              use unzip to weed out wrong passwords
+          [-m|--method num]             use method number "num" (see below)
+          [-2|--modulo r/m]             only calculcate 1/m of the password
+          file...                    the zipfiles to crack
+
+methods compiled in (* = default):
+
+ 0: cpmask
+ 1: zip1
+*2: zip2, USE_MULT_TAB
+
+```
+
+Example Usage
+-------
+```
+       fcrackzip -c a -p aaaaaa sample.zip
+              checks  the  encrypted  files  in sample.zip for all lowercase 6
+              character passwords (aaaaaa ... abaaba ... ghfgrg ... zzzzzz).
+
+       fcrackzip --method cpmask --charset A --init AAAA test.ppm
+              checks the obscured image test.ppm for all four character  pass
+              words.
+
+       fcrackzip -D -p passwords.txt sample.zip
+              check for every password listed in the file passwords.txt.
+
+```
+
+Links
+-------
+1. [hyc/fcrackzip](https://github.com/hyc/fcrackzip)
+