Compare and contrast the security and efficiency of your chosen mode with the methods that are different from this mode that doesn’t combine encryption and authentication, and with other modes.

1- Give an overview of the mode with details including its authors, date of
publication, and what problems it was designed to solve. Also, try to find and cite one or
more application protocols or cryptographic libraries in which the chosen mode has been
implemented.
2- Describe in detail how the mode works. Do not just paste formulas in your paper; rather,
give a high-level, readable English description of the operations of the mode. One good
approach here is to use our hypothetical communicators, Alice and Bob, going through
the procedures of message construction, transmission, decryption, and validation for one
complete authenticated message. Supplement the description with your own intuitions
and analysis of how these operations work to ensure different aspects of secure
communication. You don’t need to use a lot of math in this portion; rather, strive to
present as clearly as possible an intuitive understanding of the protocol.
3- Compare and contrast the security and efficiency of your chosen mode with the methods that are different from this mode that doesn’t combine encryption and authentication, and with other modes.
You can mention any known weaknesses of the scheme you find in the literature, with
proper citations.

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