Indifferentiability of the Sponge Construction with a Restricted Number of Message Blocks
The sponge construction is a popular method for hashing. Quickly after its introduction, the sponge was proven to be tightly indifferentiable from a random oracle up to ≈ 2c/2 queries, where c is the capacity. However, this bound is not tight when the number of message blocks absorbed is restricted...
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| Format: | Article |
| Language: | English |
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Ruhr-Universität Bochum
2023-03-01
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| Series: | IACR Transactions on Symmetric Cryptology |
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| Online Access: | https://tosc.iacr.org/index.php/ToSC/article/view/10313 |