Changes compared to phase 1 : NLS has been tweaked to enter
phase 2 of eSTREAM, and the new version is called NLSv2 by the
authors. The archived page with the results on the old version can be
found here.
Cryptanalysis :
Cameron McDonald and Philip Hawkes,
"On Exploiting Adjacent Bits in NLS",
pdf. (Note that this attack is on NLS, not on NLSv2. NLSv2 is secure against this attack.)
Joo Yeon Cho and Josef Pieprzyk,
"Crossword Puzzle Attack on NLSv2",
pdf.
