Your question:

7. When one signs an electronic document using digital signature, one often performs the

signature operation on a message digest produced by passing the document through

Assignment Help Answers with Step-by-Step Explanation:

By using a cryptographically strong hash function that minimizes the chances of collisions (i.e., finding two different inputs with the same output), we enhance the security of the digital signature process, making it more resistant to forgery and tampering.