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SHA-1 is a hash function that is two generations old, no longer considered secure for all uses and should only be used for backward compatibility.

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Hash collision using the leading 40-bits of SHA-1

I am trying to implement Floyd's cycle finding algorithm for finding a leading 40-bit hash collision in the SHA-1 algorithm. However, my code will not find a repetition even with 800,000,000 hashes. C …
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