Title :
Efficient implementation of MD5 algorithm in password recovery of a PDF file
Author :
Keonwoo Kim ; Un Sung Kyong
Author_Institution :
Cyber Convergence Security Div., ETRI, Daejeon, South Korea
Abstract :
In this paper, we propose the optimized MD5 function for the password recovery of an encrypted PDF file. The cracking performance was improved by reducing the quantity of instructions to be executed during the hashing operation in the recovery process.
Keywords :
cryptography; MD5 algorithm; MD5 function; PDF file encryption; cracking performance; hashing operation; instruction quantity reduction; password recovery; MD5; PDF; optimization; password recovery;
Conference_Titel :
Computing and Convergence Technology (ICCCT), 2012 7th International Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4673-0894-6
