› Forums › RapID › RapID Knowledge base › Which encryption Algorithm does RapID use? Tagged: Certificates This topic has 0 replies, 1 voice, and was last updated 4 years, 1 month ago by RapID Support. Viewing 1 post (of 1 total) Author Posts 20th January 2017 at 2:12 pm #57 RapID SupportKeymaster RapID uses 2048-bit RSA keys with SHA256 hashes for its client certificates. Each customer’s RapID certification authority has a 4096-bit RSA keypair securing the root of trust. Author Posts Viewing 1 post (of 1 total) The forum ‘RapID Knowledge base’ is closed to new topics and replies.