My name is Ling Song (宋凌).

I am currently working at Nanyang Technological University in Singapore, and IIE, CAS. I am a member of the Cryptanalysis Taskforce team at NTU.

Research interests: symmetric-key cryptography, especially cryptanalysis of hash functions, block ciphers, and authenticated encryption schemes.


Address: SPMS-MAS-05-38, 21 Nanyang Link, Singapore 637371.

News

[10/2018] I gave a talk on "Key-Recovery Attacks on Keccak-Based Constructions" at Advances in permutation-based cryptography in Milan. [slides] [picture]

[08/2018] Our paper titled "New MILP Modeling: Improved Conditional Cube Attacks on Keccak-based Constructions" was accepted to Asiacrypt 2018.

[08/2018] Our paper titled "Cube-Attack-Like Cryptanalysis of Round-Reduced Keccak Using MILP" was accepted to ToSC Issue 3 2018.

[06/2018] Our paper titled "Cryptanalysis of Reduced sLiSCP Permutation in Sponge-Hash and Duplex-AE Modes" was accepted to SAC 2018. This paper was initiated during the ASK 2017 workshop.

[03/2018] Our paper titled "New MILP Modeling: Improved Conditional Cube Attacks to Keccak-based Constructions" won the Kejte cryptanalysis prize.

[02/2018] Our paper titled "Key-Recovery Attacks on Full Kravatte" won the Best Paper Award of FSE 2018.

[01/2018] Our paper titled "Boomerang Connectivity Table: A New Cryptanalysis Tool" was accepted to Eurocrypt 2018.

[03/2017] We received a prize of the SKINNY Cryptanalysis Competition 2016-2017, by the paper "Security Analysis of SKINNY under Related-Tweakey Settings", refer to this announcement by the SKINNY team.

[02/2017] We solved the 6-round collision challenge of Keccak[r=1440,c=160,nr=6], refer to this announcement and acknowledgement by the Keccak Team.

[07/2016] We solved the 5-round collision challenge of Keccak[r=640,c=160, nr=5], refer to this announcement and acknowledgement by the Keccak Team.

[05/2016] We solved the 5-round collision challenge of Keccak[r=1440,c=160, nr=5], refer to this announcement and acknowledgement by the Keccak Team.