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Results tagged with hash
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user 21296
A cryptographic hash algorithm is a function which takes a variable size input and produces a fixed size output. The algorithm makes it difficult to find two inputs with the same output or reconstruct the input from the output.
2
votes
How to prove that a line belongs to a final hash without knowing/re-hashing all other lines?
An example with a small database
Let $H : \{0,1\}^* \rightarrow \{0,1\}^{256}$ denote a hash function with 256-bit output (e.g., SHA3-256) and let $H(x)$ denote the hash of an arbitrary blob of data $x …
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