| 词条 | CECPQ1 |
| 释义 |
In cryptography, CECPQ1 is a post-quantum cipher developed by Google to make web browsers secure via Transport Layer Security (TLS).[1] DetailsCECPQ1 was designed to provide confidentiality even against an attacker who possesses a large quantum computer. It is a key-agreement algorithm plugged into TLS that combines X25519 and [https://eprint.iacr.org/2015/1092 New Hope], a ring learning with errors primitive. Even if New Hope turns out to be breakable, the X25519 key-agreement will ensure that it provides at least the security of our existing connections.[1] It is available in Google Chrome 54 beta.[2] In 2016, the experimental use in Chrome ended and it was planned to disable CECPQ1 in a later Chrome update.[3] In CECPQ1, 32 bytes of shared secret material are derived using X25519 key exchange, with a further 32 bytes being derived using the newhope lattice-based key exchange method (whence the quantum-resistance). The resulting bytes are concatenated and form a pre-master secret for deriving shared keys. See also
References1. ^1 {{cite web|url=https://www.cnet.com/au/news/chrome-updated-so-tomorrows-quantum-computers-cant-crack-todays-encryption|title=Chrome: Stop future computers from cracking current encryption|publisher=CNET}} {{cryptography-stub}}2. ^{{cite web|url=https://phoronix.com/scan.php?page=news_item&px=Chrome-54-Beta-Released|title=Chrome 54 Beta Brings Custom Elements V1: Create Custom HTML Tags - Phoronix|publisher=Phoronix}} 3. ^{{cite web|url=https://www.imperialviolet.org/2016/11/28/cecpq1.html|title=CECPQ1 results (28 Nov 2016)|publisher=Adam Langley, security officer at Google}} 7 : Internet security|Cryptographic protocols|Internet Standards|E-commerce|Secure communication|Application layer protocols|Transport Layer Security |
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