Length Extension Attacks

Walkthrough summary

Length Extension Attacks TryHackMe walkthrough with 8 answered prompts and lab methodology notes.

Sample prompts covered

• What property prevents an attacker from reversing a hash to get the original input?
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• What property ensures that no two different messages produce the same hash?
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• What block size does SHA-256 use?
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• What function ensures data is aligned to fit block size requirements?
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• How many words does SHA-256’s internal state have?
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