Changes compared to phase 1 : ABC has been tweaked to enter
phase 2 of eSTREAM, and the new version is called ABCv3 by the
authors. The archived page with the results on the old version can be
found here.
Cryptanalysis :
Haina Zhang, Shaohui Wang and Xiaoyun Wang,
"The Probability Advantages of Two Linear Expressions in Symmetric Ciphers", pdf
Haina Zhang, Lin Li and Xiaoyun Wang,
"Fast Correlation Attack on Stream Cipher ABC v3", pdf
