owncloud/core — pull request #6208 by schiesbn (2013-12-05 17:53:28+00:00)
Title: [Encryption] Only create new key if no other key exists

If the admin changes a users password and no recovery key exists we only generate a new key pair of no old key pair exists. This way the user can still recover his old key if he remembers the correct password

fix #6204