[Cryptography] Compression before encryption?

[Albert Puigsech Galicia]

2015-01-10 2:42 GMT+01:00 Richard Outerbridge <outer at interlog.com>:
>
> If E is any good, surely the only two modes are CTE and E?

True,
If the cipher is good, compression ratios are very low because encryption
increases the entropy. So ETC, is almost the same than E.

The "C" on the ETC has only notable effect on poor crypto systems (for
example using ECB).


> __outer




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Albert Puigsech Galicia
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