Questions tagged [length-extension]
A length extension attack on a hash or message authentication code function, which allows extra information to be added to the input message without changing the output value.
4 questions with no upvoted or accepted answers
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Is it possible to prevent length extension attacks
Is it possible to prevent length extension attacks without using any other hash algorithm than SHA-1?
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Is there a proof-of-work scheme vulnerable to length extension attack?
I wonder is there an example of proof of work scheme that uses a hash function and requires the hash function to be immune to length extension attack? I mean the scheme, that becomes easy to solve if ...
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Backwards Length Extension Attack
Can SHA 256 be modified to make it vulnerable to length extension attack both by appending text to the front and adding text to the end?
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How the Baretto Naehrig rules for computing a sextic extension having the exact same order as the prime curve were computed?
For example, EIP197, I have $Y^2 = X^3 + 3$ having order $q$ equal to
21888242871839275222246405745257275088548364400416034343698204186575808495617
It’s the ...