Google Achieves First-Ever Successful SHA-1 Collision Attack

SHA-1, Secure Hash Algorithm 1, a very popular cryptographic hashing function designed in 1995 by the NSA, is officially dead after a team of researchers from Google and the CWI Institute in Amsterdam announced today submitted the first ever successful SHA-1 collision attack. SHA-1 was designed i...

nettle security and bug fix update

2.7.1-8 - Use a cache-silent version of mpzpowm to prevent cache-timing attacks against RSA and DSA in shared VMs. 1364897,CVE-2016-6489 2.7.1-5 - Fixed SHA-3 implementation to conform to final standard 1252936 - Fixed CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 which caused issues in secp256r1 and...

Collision Attack: Widely Used SHA-1 Hash Algorithm Needs to Die Immediately

SHA-1 – one of the Internet's widely adopted cryptographic hash function – is Just about to Die. Yes, the cost and time required to break the SHA1 algorithm have fallen much faster than previously expected. According to a team of researchers, SHA-1 is so weak that it may be broken and compromised...

NIST Seeking Public Comment on SHA-3 Crypto Algorithm

The National Institute of Standards and Technology NIST is inviting the public to analyze and comment on its Secure Hash Algorithm-3 SHA-3, the latest iteration of cryptographic hash functions endorsed and published by the U.S. standards agency in order to protect the integrity of electronic...

oclHashcat v1.2 - GPGPU-based Multi-hash Cracker

oclHashcat is a GPGPU-based multi-hash cracker using a brute-force attack implemented as mask attack, combinator attack, dictionary attack, hybrid attack, mask attack, and rule-based attack. This GPU cracker is a fusioned version of oclHashcat-plus and oclHashcat-lite. GPU Driver requirements: NV...

Cryptographers Aim to Find New Password Hashing Algorithm

Passwords are the keys to our online identities, and as a result, they’re also near the top of the target list for attackers. There have been countless breaches in the last few years in which unencrypted passwords have been stolen from a database and leaked online, and security experts often shak...

SHA-1 Hash Collision Could Be Within Reach of Attackers By 2018

It’s been just a few days since NIST approved Keccak as the winner of the SHA-3 competition, and it likely will be some time before we begin seeing the new hash algorithm popping up in common products and services. However, some in the cryptography community say it may not be a bad idea to start...

SHA-3 Winner Chosen, But It May Be Years Before Keccak Has an Effect

Now that NIST has selected Keccak as the winner of the five-year-long SHA-3 competition, the next question to be answered is whether the new hash algorithm will be implemented in any meaningful way in the near future. The answer, for right now at least, appears to be probably not. The SHA-3...

Forthcoming SHA-3 Hash Function May Be Unnecessary

For the last five years, NIST, the government body charged with developing new standards for computer security, among other things, has been searching for a new hash function to replace the aging SHA-2 function. Fives years is a long time, but this is the federal government and things move at the...

NIST Announces SHA-3 Hash Function Finalists

The National Institute of Standards and Technology has chosen the five finalists for the last round of its competition to find the next hash function standard. The SHA-3 finalists include Skein, developed by a group including Bruce Schneier and Jon Callas. The other four SHA-3 finalists are BLAKE...

New AES Attack, 200-Year-Old Cipher Key Big Week in Crypto

It’s been quite a week in the world of cryptography. For a field in which advancements are measured in the smallest of terms and major breakthroughs can take decades, the three big news stories involving cryptography in the last few days comprise an epochal event. Perhaps the most interesting of...