Browsing All posts tagged under »hash«

The winner of SHA-3 contest

October 3, 2012

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There’s a new standard hash algorithm in town, its official title is SHA-3 but its birth name is Keccak. NIST announced yesterday the winner of a long contest, that selected from many submissions the 5 algorithms most apt to substitute the current SHA-2 hash method, and from those 5 Keccak emerged as a victor. As I wrote in […]

WordPress.com security violated

April 14, 2011

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Here’s the public announcement: Security Incident — Blog — WordPress.com. Why are they emphasizing having a strong and unique password? I think it’s the right thing to suggest in this case. My understanding is that the attackers could have accessed the database containing the users’ obfuscated passwords. Usually the passwords are salted and hashed (and I […]

Something about SHA-3 hash

February 22, 2011

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Hash functions are everywhere, like the MD5 data to verify a download, or in password storing, or in sites certificates. There are many methods to perform an hash, some less secure than others. There is an ongoing competition at NIST to decide an algorithm that will become a new standard for hash functions.  The target […]