Encryption

Encryption

The primary purpose of encryption is to protect the confidentiality of digital data stored on computer systems or transmitted via the Internet or other computer networks. Modern encryption algorithms play a vital role in the security assurance of IT systems and communications as they can provide not only confidentiality, but also the following key elements of security:

1) Authentication: the origin of a message can be verified.
2) Integrity: proof that the contents of a message have not been changed since it was sent.
3) Non-repudiation: the sender of a message cannot deny sending the message.

encryption

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