International Association for Cryptologic Research

International Association
for Cryptologic Research

CryptoDB

Go Yamamoto

Publications

Year
Venue
Title
2007
EPRINT
Practical Password Recovery on an MD5 Challenge and Response
Yu Sasaki Go Yamamoto Kazumaro Aoki
This paper shows an attack against APOP protocol which is a challenge-and-response protocol. We utilize the Wang's attack to make collisions in MD5, and apply it to APOP protocol. We confirmed that the first 3 octets of secret key can be recovered by several hundred queries under the man-in-the-middle environment.

Coauthors

Kazumaro Aoki (1)
Yu Sasaki (1)