What application of encryption verifies that a document was sent by the person it says it is from? select one: a. digital rights management b. asymmetric encryption c. cryptographic hash d. digital signatures

D.

Explanation:

a. is about delivering material only to who is entitled to it

b. is about encrypting and decrypting with two different keys

c. is about proving the integrity of a document (that it hasn't been changed).

d. is a cryptographic hash in combination with private key, so that provides both document integrity and non-repudiation

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answerenforce the organization's security policy;