@article {IOPORT.50184268, author = {Stevens, Marc and Lenstra, Arjen K. and De Weger, Benne}, title = {Target collisions for MD5 and colliding X.509 certificates for different identities}, year = {2006}, journal = {IACR Cryptology ePrint Archive}, volume = {2006}, pages = {360}, identifier = {50184268}, }