After a Recent Internal Breach, a Company Decided to Regenerate

question 442

Multiple Choice

After a recent internal breach, a company decided to regenerate and reissue all certificates used in the transmission of confidential information. The company places the greatest importance on confidentiality and non-repudiation, and decided to generate dual key pairs for each client. Which of the following BEST describes how the company will use these certificates?

• A) One key pair will be used for encryption and decryption. The other will be used to digitally sign the data.
• B) One key pair will be used for encryption. The other key pair will provide extended validation.
• C) Data will be encrypted once by each key, doubling the confidentiality and non-repudiation strength.
• D) One key pair will be used for internal communication, and the other will be used for external communication.

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Definitions:

Racemic

Referring to a mixture of equal amounts of two enantiomers of a chiral molecule.

Hydride Shift

A rearrangement reaction where a hydride ion (H-) moves from one carbon atom to another within a molecule, often observed in carbocation rearrangements.

Iodobutane

An organic compound with the formula C4H9I, characterized as a butane molecule where one hydrogen atom has been replaced by an iodine atom.

Methanol

Methanol, a straightforward alcohol bearing the formula CH3OH, serves multiple purposes such as a solvent, antifreeze, fuel, and a foundational material for producing other chemicals.