Ubuntu
apt package

  1. Bug #1558331
  2. Comment #8

Comment 8 for bug 1558331

Revision history for this message
Colin Watson (cjwatson) wrote : Re: After upgrading to apt 1.2.7 in Xenial, PPAs and most other third-party repositories become unusable with "The repository is insufficiently signed by key (weak digest)"

No, the PPAs don't need new keys - we just need to upgrade the digest algorithm used for signing. See the bug of which I've just marked this as a duplicate.