AES

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

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
•
Read more
Security of AES with a Secret S-box featured image
Block Cipher

Security of AES with a Secret S-box

How does the security of the AES change when the S-box is replaced by a secret S-box, about which the adversary has no knowledge? Would it be safe to reduce the number of …

tyge-tiessen
•
Read more