#7123: cryptanalysis of the shift cipher
----------------------------+-----------------------------------------------
Reporter: mvngu | Owner: somebody
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.1.3
Component: cryptography | Keywords:
Work_issues: | Author: Minh Van Nguyen
Reviewer: | Merged:
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Comment(by mvngu):
{{{
22:43 < rbeezer> mvngu: but I did have one suggestion - the first
paragraph of
each ranking method
22:43 < mvngu> rbeezer: Fire away your suggestion.
22:43 < rbeezer> calls FM the frequency for an encrypted message, when
what you
are really doing is getting a pile of candidate decrypted
22:44 < rbeezer> messages from the brute_force() method and analyzing
their
freguencies
22:44 < rbeezer> You want the key that makes a decrypt with frequencey
most
like english
22:45 < rbeezer> So maybe before FM you say it is for a "decrypted" or
"candidate decrypted" message
22:46 -!- Serica [i=815dc...@gateway/web/freenode/x-awudwwybpvbxuikl] has
quit
[Ping timeout: 180 seconds]
22:47 < mvngu> rbeezer: That sounds logical; I'll put it in now.
22:47 < rbeezer> Or you can wait until I do a full review and take care of
everything at once
22:47 < mvngu> rbeezer: OK. Let's work on the Mercurial issue now.
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7123#comment:14>
Sage <http://www.sagemath.org>
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