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Author
- Joan, Daemen (1)
- Silvia, Mella (1)
Subject
- SIMON (1)
- SUBTERRANEAN (1)
Date issued
- 2023 (1)
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- true (1)
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To evaluate the security of a cryptographic primitive, investigating its resistance against differential and linear cryptanalysis is required. Many modern cryptographic primitives repeatedly apply similar round functions alternated with the addition of round keys or constants. A round function usually consists of a non-linear mapping and a number of linear mappings. The non-linear mapping χ is used in different cryptographic primitives such as KECCAK and SUBTERRANEAN. An alternative version of χ is used in ASCON and the non-linear layer of SIMON has the same differential and linear properties of χ. The mapping χ can be applied to strings with different lengths. |