Re: [openssl-dev] [RFC] enc utility & under-documented behavior changes: improving backward compatibility

2017-10-06 Thread Robin H. Johnson
On Wed, Oct 04, 2017 at 10:39:03AM +0100, Matt Caswell wrote: > > At the very least, it should be added to the big notes: > > https://www.openssl.org/news/openssl-1.1.0-notes.html > > (this was in fact the first place I looked when my data was broken, > > there was nothing about the enc tool

Re: [openssl-dev] [RFC] enc utility & under-documented behavior changes: improving backward compatibility

2017-10-03 Thread Robin H. Johnson
On Tue, Oct 03, 2017 at 09:45:43AM +0200, Tomas Mraz wrote: > On Tue, 2017-10-03 at 08:23 +0100, Matt Caswell wrote: > > > > > 1.2. This also opens the path to stronger key derivation (PBKDF2) > > > 2. During decryption, if no header block is present, and no message > > >    digest was specified,

[openssl-dev] [RFC] enc utility & under-documented behavior changes: improving backward compatibility

2017-10-02 Thread Robin H. Johnson
Commit f8547f62c212837dbf44fb7e2755e5774a59a57b (documented in 9e8b6f042749ded556380227c9f2db7ffad9a3aa), changed the default digest for the 'enc' utility from MD5 to SHA256. While I do strongly encourage getting away from MD5, this has the unfortunate side effect of silently breaking existing