Mr Nottingham cautioned that it was “very early days” and said the proposal would need to undergo extensive discussion within the broad web community before it could be implemented. Exactly how the plan would work has yet to be decided.
“If you’re looking for a silver bullet to make people’s personal traffic impossible to break, this won’t be it,” said Sam Curry, chief technologist at RSA, a computer security company.
Hackers, especially those with substantial computing power, would find ways to crack the encryption or get around it by exploiting other vulnerabilities in the network, he said.
Nonetheless, he added, “Anything that improves trust in the digital world is a noble aim.”