Ubuntu
apt package

  1. Bug #1558331
  2. Comment #2

Comment 2 for bug 1558331

Revision history for this message
Gérard Bigot (gerard-bigot) 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)"

google chrome repositories is one of the other.

It looks like SHA1 signing keys has been deprecated : https://juliank.wordpress.com/2016/03/15/clarifications-and-updates-on-apt-sha1/

Please at least add SHA2 in PPAs.