What Is End-To-End Encryption?

encryption end-to-end
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What Is End-To-End Encryption?

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The Computer Desktop Encyclopedia defines end-to-end encryption as the continuous protection of the confidentiality and integrity of transmitted information by encrypting it at the origin and decrypting at its destination.[5] A reasonably good example of true end-to-end encryption is the distribution of a secret key under a Key Exchange Key (KEK) process between two hardware security modules (HSMs). The KEK process is a common practice in many industries including government, telecommunications and banking, in applications where end-to-end security must be ensured. Using this technique, the secret key is never seen in the clear outside of the two endpoints. The first HSM (the origin) encrypts the secret key using the Key Exchange Key then the encrypted key can be securely sent to the second HSM (the destination) where it is decrypted. With respect to a payment transaction, “origin” and “destination” are not single places, causing the potential for confusion. There are many temporary en