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  • Writer's picturesindhu v

what is end-to-end encryption (e2ee) and what is this technology for

End-to-end encryption (E2EE) is a security measure used in communication systems to ensure that only the sender and intended recipient(s) can access the messages or data being transmitted. This technology encrypts the data at the sender's device and keeps it encrypted until it reaches the recipient's device, where it is decrypted for viewing. This process ensures that the data remains confidential and secure, even if intercepted during transmission.

Here's how end-to-end encryption works:

1. Encryption: When a user sends a message, file, or any form of data, it is encrypted using an encryption key. This key scrambles the data into a format that is unreadable without the corresponding decryption key.

2. Transmission: The encrypted data is then transmitted over the communication channel, such as the internet, to the intended recipient(s). During this transmission, the data appears as gibberish to anyone who intercepts it, as they do not have the decryption key to make sense of it.

3. Decryption: Upon reaching the recipient's device, the encrypted data is decrypted using the decryption key. This process reverses the encryption, making the data readable and accessible to the recipient.



The primary purpose of end-to-end encryption is to ensure the confidentiality and integrity of communication by preventing unauthorized access to the data. It provides users with a secure means of exchanging sensitive information, such as personal messages, financial transactions, or confidential documents, without fear of interception or eavesdropping by malicious actors.

End-to-end encryption is commonly used in messaging apps, email services, file-sharing platforms, and other communication systems where privacy and security are paramount. By implementing E2EE, service providers can enhance user trust and confidence in their platforms, knowing that their communications are protected from prying eyes and unauthorized access.



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