“End-to-end” refers to the beginning of the data’s journey (in the case of email, this is the sender’s device) and where it ends its journey (the recipient’s device).Įnd-to-end encryption is a method of secure communication that prevents any third parties from accessing the contents of your message while it’s transferred from one device to another or while it is “at rest” on a server. What is end-to-end encryption (E2EE)?Įncryption is the process of scrambling human-readable data (for example, a plaintext email) into unreadable ciphertext that only authorized parties can only decode using the right cryptographic key.Įnd-to-end encryption is the term used for data that is encrypted at every stage of its journey from one device to another. In this article, we will explain what end-to-end encryption is and what advantages it offers over other types of encryption. However, recent technological advances (such as Proton Mail ) have made end-to-end encryption much easier to use and more accessible. An early iteration of E2EE for email, known as Pretty Good Privacy (PGP), required you to handle the encryption keys yourself, making it notoriously difficult even for tech-savvy users. If you send an end-to-end encrypted email, it is encrypted on your device (your iPhone, Android, or laptop), and it is not decrypted until it reaches the device of the person you sent the message to.Įnd-to-end encryption (E2EE) has historically been very complicated, which limited who could effectively use it. The most private and secure way to communicate online is by using end-to-end encryption.
Last update on FebruPublished on May 24, 2022
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