Intelligence agencies, and they have a legitimate edict to catch paedos or stop terrorists. Through Investigatory Powers regulation they have been granted powers to make such demands.
Australia has close legislation with the Technical Assistance and Access bills that can be used by Law Enforcement / Australian Intelligence Community, but it explicitly doesn't allow the deliberate weakening of security or backdoors, unless such a weakness is inherent in the technology.
Australia has close legislation with the Technical Assistance and Access bills that can be used by Law Enforcement / Australian Intelligence Community, but it explicitly doesn't allow the deliberate weakening of security or backdoors, unless such a weakness is inherent in the technology.