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EC-Council

312-50V10 · Question #678

Password cracking programs reverse the hashing process to recover passwords.(True/False.)

The correct answer is B. False. Hashing is a one-way function; password crackers compare candidate hashes to stored hashes rather than reversing them.

System Hacking

Question

Password cracking programs reverse the hashing process to recover passwords.(True/False.)

Options

  • ATrue
  • BFalse

How the community answered

(26 responses)
  • A
    8% (2)
  • B
    92% (24)

Why each option

Hashing is a one-way function; password crackers compare candidate hashes to stored hashes rather than reversing them.

ATrue

Claiming hash functions are reversible is incorrect; algorithms such as MD5, SHA-1, and bcrypt are one-way by design and cannot be mathematically inverted to recover the original plaintext.

BFalseCorrect

Cryptographic hash functions are mathematically designed to be one-way and computationally infeasible to invert. Password cracking tools operate by hashing candidate passwords using the same algorithm and comparing the resulting digest to the stored hash value - the original input is never derived by reversing the hash.

Concept tested: One-way nature of cryptographic hash functions

Source: https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html

Topics

#hash functions#one-way functions#password cracking#cryptographic concepts

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