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Which of the following implements all these requirements?

A system administrator wants to implement an internal communication system that will allow employees to send encrypted messages to each other. The system
must also support non- repudiation. Which of the following implements all these requirements?

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A.
Bcrypt

B.
Blowfish

C.
PGP

D.
SHA

2 Comments on “Which of the following implements all these requirements?

  1. Mike says:

    Proof of data integrity is typically the easiest of these requirements to accomplish. A data hash, such as SHA2.
    non- repudiation proof data integrity, which is need hashing .
    from all the options above only SHA provide hashing.




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  2. DaveyBoy says:

    “PGP supports message authentication and integrity checking. The latter is used to detect whether a message has been altered since it was completed (the message integrity property) and the former to determine whether it was actually sent by the person or entity claimed to be the sender (a digital signature)”




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