FEAL

FEAL

Block Ciphers

Published in Alfred J. Menezes, Paul C. van Oorschot, Scott A. Vanstone, Handbook of Applied Cryptography, 2018

Alfred J. Menezes, Paul C. van Oorschot, Scott A. Vanstone

The Fast Data Encipherment Algorithm (FEAL) is a family of algorithms which has played a critical role in the development and refinement of various advanced cryptanalytic techniques, including linear and differential cryptanalysis. FEAL-N maps 64-bit plaintext to 64-bit ciphertext blocks under a 64-bit secret key. It is an N-round Feistel cipher similar to DES (cf. Equations (7.4), (7.5)), but with a far simpler f-function, and augmented by initial and final stages which XOR the two data halves as well as XOR subkeys directly onto the data halves.

Vacancies effect on the mechanical properties in B2 FeAl intermetallic by the first-principles study

View Article

Journal Information

Published in Philosophical Magazine, 2019

Lin Song, Xuelei Tian, Huiyu Jiang, Wenhui Yu, Zhiyue Zhao, Hongliang Zheng, Jingyu Qin, Xiaohang Lin

In the experiments, the vacancy concentration of FeAl is much higher than that of other similar intermetallics and metals, which reaches up to 3.3 at.% [6]. The formation energies of different structures with different types of vacancies are presented in Table 2. The geometries of the most stable structures are shown in Figure 3. Thermodynamic stability is determined by the formation energy of the intermetallic. The most stable structures have the lowest formation enthalpy, in other words, these structures are most thermodynamically stable. A key qualitative finding of this calculation is that the vacancy concentration of FeAl intermetallic in the range of 1.8 at.%–5.6 at.% is more likely to form VFe than all other structures.

Explore chapters and articles related to this topic

Block Ciphers

Vacancies effect on the mechanical properties in B2 FeAl intermetallic by the first-principles study