[Cryptography] Is there a good algorithm providing both compression and encryption at the same time?

[Ben Laurie]

On 8 May 2015 at 22:23, Bill Frantz <frantz at pwpconsult.com> wrote:
> Probably compression is safe if each source of data is compressed
> separately.

Surely not. Some plaintexts of the same length compress shorter than
others. That gives me a distinguisher. If I have a distinguisher, it
is not "safe".