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Date: Tue, 19 Jun 2012 18:56:03 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: RFC: Add --list=format-details support?
The attached patch is not intended to be applied as-is.
May be other format details than those I picked are more important (or
interesting as well), may be I should't use %d to printf
format->params.flags, may be I should print format->params.format_name
as the last column instead of as the second column, and so on.
May be we just replace the current --list=formats output
$ ./john --list=formats
des, bsdi, md5, bf, afs, lm, dynamic_n, bfegg, crc32, dmd5, dominosec, epi,
episerver, gost, hdaa, ipb2, keychain, krb4, krb5, lotus5, md4-gen,
with a more detailed output similar to the one I implemented here:
$ ./john --list=format-details |grep "^s" |cut -f 1,2,4
salted-sha1 Salted SHA-1 39
sapb SAP CODVN B (BCODE) 8
sapg SAP CODVN F/G (PASSCODE) 83
sha1-gen Generic salted SHA-1 125
sip SIP 32
sybasease sybasease 64
ssh SSH 32
I think that output is easy to parse and could provide useful
information for a GUI.
One more problem is that the plaintext size is listed in bytes, while
from a user perspective, the maximum password length supported by a
format is more interesting.
(E.g., for SAP CODVN F, the maximum length is 40 characters, the input
is expected to be utf-8. So in most cases (but not always) 83 bytes will
be sufficient.)
What do you think?
Frank
View attachment "0001-Add-list-format-details.patch" of type "text/x-patch" (1860 bytes)
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