End-to-end encryption

End-to-end encryption (E2EE) is a private communication system in which only communicating users can participate. As such, no one, including the communication system provider, telecom providers, Internet providers or malicious actors, can access the cryptographic keys needed to converse.[1]

End-to-end encryption is intended to prevent data being read or secretly modified, other than by the true sender and recipient(s). The messages are encrypted by the sender but the third party does not have a means to decrypt them, and stores them encrypted. The recipients retrieve the encrypted data and decrypt it themselves.

Because no third parties can decipher the data being communicated or stored, for example, companies that provide end-to-end encryption are unable to hand over texts of their customers' messages to the authorities.[2]

In 2022, the UK's Information Commissioner's Office, the government body responsible for enforcing online data standards, stated that opposition to E2EE was misinformed and the debate too unbalanced, with too little focus on benefits, since E2EE "helped keep children safe online" and law enforcement access to stored data on servers was "not the only way" to find abusers.[3]

  1. ^ Greenberg, Andy (2014-11-25). "Hacker Lexicon: What Is End-to-End Encryption?". WIRED. Archived from the original on 23 December 2015. Retrieved 22 December 2015.
  2. ^ McLaughlin, Jenna (21 December 2015). "Democratic Debate Spawns Fantasy Talk on Encryption". The Intercept. Archived from the original on 23 December 2015.
  3. ^ "Encryption: UK data watchdog criticises government campaign". BBC News. 21 January 2022.

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