COMPUTER ETHICS AND SECURITY
CRYPTOGRAPHY AND ENCRYPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Key escrow
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Non-repudiation
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Multifactor authentication
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Hashing
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Detailed explanation-1: -Nonrepudiation provides proof of the origin, authenticity and integrity of data. It provides assurance to the sender that its message was delivered, as well as proof of the sender’s identity to the recipient. This way, neither party can deny that a message was sent, received and processed.
Detailed explanation-2: -Definition(s): Assurance that the sender of information is provided with proof of delivery and the recipient is provided with proof of the sender’s identity, so neither can later deny having processed the information.
Detailed explanation-3: -Nonrepudiation is typically comprised of authentication, auditing/logging, and cryptography services. A common application of this service would be digital signing of e-mail messages to prove that the message received was actually sent by the purported sender.
Detailed explanation-4: -Non-repudiation is a security service that creates, collects, validates, and maintains cryptographic evidence, such as digital signatures, in electronic transactions to support the settlement of possible disputes.
Detailed explanation-5: -Notary. It is common for the signing of legal documents to be witnessed by a licensed notary. Forensic Science. A handwriting expert may be used by a legal service as a means of non-repudiation of signatures. Authentication. Audit Trail. Digital Signatures. 22-Dec-2016