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NAME

gencases

 - 802.11b weak IV generation tool

 

SYNOPSIS

DESCRIPTION

Arguments to gencases allow the user to specify the WEP key that will be used to encrypt the packets as well as the number of packets to be generated for each byte of the wep key. The generated packets represent UDP echo requests from host 192.168.0.2 (on a wired net) to host 192.168.0.10 (on a wireless net) and the corresponding replies. The wireless client has MAC 00:02:2d:01:23:45, the wired host has MAC 00:04:5A:AB:CD:EF, and the access point has BSSID 00:02:2D:98:76:54.

The generated packet file can be examined with standard packet analysis tools such as tcpdump or ethereal. It can also be loaded into airsnort(1) which, given that a sufficient number of cases were generated for each key byte, will produce a cracked WEP key. Running the generated file through the decrypt(1) utility will produce the decrypted versions of the packets which should reflect the echo request/reply traffic described above, and which can be verified using tcpdump or ethereal.  

OPTIONS

-s pw

Password as an ASCII string. 5 or 13 characters for 40 and 128 bit WEP cases respectively.

-h key

Password as a colon separated list of 2 digit hex values. 5 or 13 hex values for 40 and 128 bit WEP cases respectively.

-f file

Output file for generated cases.

-n num

Number of sample cases to generate for each key byte (1-256). Default is 100.

EXAMPLES

gencases -s hello -f test

Generate 200 cases per key byte with the hex key "23:56:89:ab:de" to file "test"

gencases -h 23:56:89:ab:de -f test -n 200 

SEE ALSO

AUTHORS

Index

NAME

SYNOPSIS

DESCRIPTION

OPTIONS

EXAMPLES

SEE ALSO

AUTHORS

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