There is no significant difference in the "performance" of filling the volume with zeros, and filling it with random data. The only difference is the fact ( broadly understood in the crypto/security community ) that filling with a known pattern, such as zeros, facilitates recovering the encryption keys.
See https://en.wikipedia.org/wiki/Known-plaintext_attack -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1506995 Title: Ubiquity uses /dev/null when setting up encrypted swap To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1506995/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
