TNT : how to tweak a block cipher

• Main Authors: Bao, Zhenzhen, Guo, Chun, Guo, Jian, Song, Ling
• Other Authors: School of Physical and Mathematical Sciences
• Format: Conference or Workshop Item
• Language: English
• Published: 2020
• Subjects: Science::Mathematics; Cryptography; AES
• Online Access: https://hdl.handle.net/10356/141805
• Institution: Nanyang Technological University

In this paper, we propose Tweak-aNd-Tweak ( for short) mode, which builds a tweakable block cipher from three independent block ciphers. handles the tweak input by simply XOR-ing the unmodified tweak into the internal state of block ciphers twice. Due to its simplicity, can also be viewed as a...