Cheap and powerful MD5 Cracker

Marc Bevand, "MD5 ChosenPrefix Collisions on GPUs", Black Hat USA 2009 July 30, 2009

• 4 Radeon HD 4870 X2 in single machine
• 8 GPU
• About $1500
• Tatol of 6500 Mhash/sec (using IGHASHGOU s/w, 2400*4=9600Mhash/sec)

[Reference]

• Marc Bevand - http://perso.epita.fr/~bevand_m/
• blackhat 2009 - http://www.blackhat.com/