Provable Security of (Tweakable) Block Ciphers Based on Substitution-Permutation Networks
ADVANCES IN CRYPTOLOGY - CRYPTO 2018, PT I, pp. 722-753, 2018.
Substitution-permutation networksTweakable block ciphersDomain extension of block ciphersBeyond-birthday-bound security
Substitution-Permutation Networks (SPNs) refer to a family of constructions which build a wn-bit block cipher from n-bit public permutations (often called S-boxes), which alternate keyless and "local" substitution steps utilizing such S-boxes, with keyed and "global" permutation steps which are non-cryptographic. Many widely deployed bloc...More
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