hash

Pierluigi Paganini February 24, 2017
SHAttered attack, Google and CWI conducted the first SHA-1 collision attack

Experts at Google and CWI conducted the first real world collision attack against popular SHA-1 hashing algorithm, so called shattered-attack. Researchers at Google and Centrum Wiskunde & Informatica (CWI) in the Netherlands succeeded in conducting the first real world collision attack against popular SHA-1 hashing algorithm. The researchers created two documents with different content but […]

Pierluigi Paganini October 28, 2015
The US DoD still uses SHA-1 signed certificates for use by military agencies

The United States Department of Defense is still issuing SHA-1 signed certificates for its military agencies, despite they are considered insecure. Today I have published a blog post on the Army Vulnerability Response Program (AVRP), a sort of bug bounty program specific for the US military environment. The idea is to incentive  the ethical disclosure of vulnerabilities […]

Pierluigi Paganini October 10, 2015
Cost of Breaking SHA-1 decreases due to a new Collision Attack

A group of researchers has demonstrated that the cost of breaking the SHA-1 hash algorithm is lower than previously estimated. The SHA-1 is still one of the most used cryptographic hash algorithm, but bad news for its supporters, a New Collision Attack Lowers Cost of Breaking it. The news is worrying, the cost and time […]