https://www.reuters.com/article/us-cyber-standards-insight/distrustful-u-s-allies-force-spy-agency-to-back-down-in-encryption-row-idUSKCN1BW0GV >An international group of cryptography experts has forced the U.S. National Security Agency to back down over two data encryption techniques it wanted set as global industry standards, reflecting deep mistrust among close U.S. allies.