On So, 10 Aug 2014, Bram Moolenaar wrote:
> Patch 7.4.399
> Problem: Encryption implementation is messy. Blowfish encryption has a
> weakness.
> Solution: Refactor the encryption, store the state in an allocated struct
> instead of using a save/restore mechanism. Introduce the
> "blowfish2" method, which does not have the weakness and encrypts
> the whole undo file. (largely by David Leadbeater)
Perhaps, we should disallow to set the encryption method to the old/weak
blowfish algorithm (or at least issue an error message here)? That
should allow to still read old files, but should encourage users to use
the new method.
Best,
Christian
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