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ShiftRows Alternatives for AES-like Ciphers and Optimal Cell Permutations for Midori and Skinny

We study possible alternatives for ShiftRows to be used as cell permutations in AES-like ciphers. As observed during the design process of the block cipher Midori, when using a …

gianira-n.-alfarano

• Dec 5, 2018 • 1 min read

Hash Functions

Haraka - Efficient Short-Input Hashing for Post-Quantum Applications

Recently, many efficient cryptographic hash function design strategies have been explored, not least because of the SHA-3 competition. These designs are, almost exclusively, geared …

Stefan Kölbl

• Jan 1, 2017 • 1 min read

Hash Functions

Troika: a ternary cryptographic hash function

Linear codes over finite fields are one of the most well-studied areas in coding theory. While codes over finite fields of characteristic two are of particular practical interest …

Stefan Kölbl

• Jun 2, 2016 • 1 min read

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ShiftRows Alternatives for AES-like Ciphers and Optimal Cell Permutations for Midori and Skinny

Haraka - Efficient Short-Input Hashing for Post-Quantum Applications

Troika: a ternary cryptographic hash function