What feature of digital certificates ensures that a message or document has not been altered since it was signed?Key escrowNon-repudiationIntegrityConfidentiality

Which feature of digital certificates prevents tampering and ensures data integrity?Expiration datesDigital signaturesEncryption algorithmsCertificate chains

What technology should you implement to ensure that an individual cannot later claim that he or she did not sign a given document?Select one:digital signatureasymmetric encryptionHMACdigital certificat

explain digital signature and pki

True or false. The legal concept of nonrepudiation provides assurance that an individual cannot deny having digitally signed a document or been party to a transaction. As the sum total of evidence that proves to the court's satisfaction that only one person could have executed that transaction, this concept exists because businesses want to prove it was one person's computer, ID, and digital signature, and that the person's transaction that cannot be repudiated.

Which of the following objectives of cryptography defines the trustworthiness of data or resources to prevent improper and unauthorized changes?NonrepudiationAuthenticationIntegrityConfidentiality