Uploaded September 2025 | Updated September 2026, 2 weeks ago

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SHA2's weakness explained by Dr Mike Pound -- Check out Brilliant's courses and start for free at brilliant.org/computerphile (episode sponsor) -- More links in full description below ↓↓↓

SHA2 is susceptible to a length extension attack, meaning supposedly secure messages can be added to and still pass certain security tests.

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This video was filmed and edited by Sean Riley.

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