9NOSIS · the press
The Sponge Absorbs the Ocean
The Sponge Absorbs the Ocean
Modern cryptographic hash functions abandon traditional block compression for the sponge construction. Arbitrary amounts of data are absorbed into a massive internal state, cryptographically permuted, and then squeezed out as a hash of any length. Because only a fraction of the state is ever exposed during the squeezing phase, the internal entropy remains securely hidden. The sponge absorbs the ocean.
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