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GCIA · Question #30

Trinity wants to send an email to her friend. She uses the MD5 generator to calculate cryptographic hash of her email to ensure the security and integrity of the email. MD5 generator, which Trinity…

The correct answer is D. MD5 Checksum Verifier. MD5 Checksum Verifier is a two-step tool that first generates an MD5 hash saved as a check file, then verifies integrity by comparing a newly computed hash against the stored one.

Network Forensics, Protocol Insecurity & Evasion Techniques

Question

Trinity wants to send an email to her friend. She uses the MD5 generator to calculate cryptographic hash of her email to ensure the security and integrity of the email. MD5 generator, which Trinity is using operates in two steps:

 Creates check file  Verifies the check file Which of the following MD5 generators is Trinity using?

Options

  • ASecure Hash Signature Generator
  • BMat-MD5
  • CChaos MD5
  • DMD5 Checksum Verifier

How the community answered

(47 responses)
  • A
    13% (6)
  • B
    4% (2)
  • C
    6% (3)
  • D
    77% (36)

Why each option

MD5 Checksum Verifier is a two-step tool that first generates an MD5 hash saved as a check file, then verifies integrity by comparing a newly computed hash against the stored one.

ASecure Hash Signature Generator

Secure Hash Signature Generator is focused on producing digital signatures and does not specifically implement a two-step check file creation and verification workflow.

BMat-MD5

Mat-MD5 is a different MD5 utility and does not follow the described two-step process of creating and then verifying a check file.

CChaos MD5

Chaos MD5 is a distinct MD5 hashing tool that does not use the described check file creation and verification model.

DMD5 Checksum VerifierCorrect

MD5 Checksum Verifier operates in exactly two steps: it creates a check file containing the MD5 cryptographic hash of the source data, and then verifies integrity by recomputing the hash and comparing it against the stored check file. This specific create-then-verify check file workflow directly matches the two-step process described in the question.

Concept tested: MD5 hash-based file integrity verification tools

Topics

#MD5 hash#cryptographic integrity#checksum verification#email security

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