Compression is the reduction in size of data without losing information.

learn more… | top users | synonyms

0
votes
1answer
97 views

If classical ciphers are used with compressed plaintext, how much does it make frequency analysis attack harder?

Classical ciphers, such as Vigenère cipher, are weak and no longer be used. They can be broken by using frequency analysis, that is a well-known fact. But, the frequency analysis often depends on the ...
-1
votes
1answer
61 views

infinite one-time-pad based on reference compression. can this be made more practical?

first of all I would like to start with this does not modify one-time-pad at all. nor does it apply any excessive limitations to the people using this said algorithm. a one-time pad can't be ...
0
votes
0answers
45 views

Symmetric encryption with compression for MySQL DB data

I would like to compress data before encrypting and storing it in a MySQL DB to reduce especially bandwith requirements (compression reduces bandwith by 70-80%). At present, all is handled by a ...