Sebastiaan Indesteege, Florian Mendel, Bart Preneel, Christian Rechberger. Collisions and other Non-Random Properties for Step-Reduced SHA-256. IACR Cryptology ePrint Archive, 2008:131, 2008. [doi]
@article{IndesteegeMPR08-0, title = {Collisions and other Non-Random Properties for Step-Reduced SHA-256}, author = {Sebastiaan Indesteege and Florian Mendel and Bart Preneel and Christian Rechberger}, year = {2008}, url = {http://eprint.iacr.org/2008/131}, researchr = {https://researchr.org/publication/IndesteegeMPR08-0}, cites = {0}, citedby = {0}, journal = {IACR Cryptology ePrint Archive}, volume = {2008}, pages = {131}, }