[IP] Top crypto algorithms 'fully broken?'
Begin forwarded message:
DAN FARBER
Top crypto algorithms 'fully broken?'
Do you think your encrypted communications and documents are secure?
Think again. In separate findings, French and Chinese researchers
last week uncovered fallibilities in some of the most commonly used
encryption techniques. And last night, at the Crypto 2004 conference,
security researchers delivered the good, the bad, and the ugly news.
The good news: SHA-1, embedded in popular programs such as SSL and
PGP, is still standing--so far. The bad news, according to conference
chair James Hughes, is that "the break of MD4, which was already broken,
is unique because the techniques could be done by hand." The ugly news:
"full breaks" of the MD5, HAVAL-128, RIPEMD, and SHA-0 hash functions
were announced as well--and SHA-1 is under serious attack. The
discoveries
could make it easier for intruders to insert undetectable back doors
into
computer code or to forge electronic signatures.
http://ct.com.com/click?q=89-h28bQ~JAj6DPkIRfpwDCBVM5LWcR
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