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768-bit RSA Cracked, 1024-bit is Still Safe for the Moment


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251w ago - It appears the RSA encryption scheme has fallen as cryptographers have [Register or Login to view links] [PDF] 768-bit keys via the widely used public-key algorithm.

An international team of mathematicians, computer scientists and cryptographers broke the key though NFS, or number field sieve, which allowed them to deduce two prime numbers that when multiplied together generated a number with 768 bits.

The discovery, which took about two-and-a-half years and hundreds of general-purpose computers, means 768-bit RSA keys can no longer be counted on to encrypt or authenticate sensitive communications.

To quote: "The latest milestone to fall is 768-bit RSA; in a paper posted on a cryptography preprint server, academic researchers have now announced that they factored one of these keys in early December.

Most modern cryptography relies on single large numbers that are the product of two primes. If you know the numbers, it's relatively easy to encrypt and decrypt data; if you don't, finding the numbers by brute force is a big computational challenge.

The paper describes how the process was done with commodity hardware, albeit lots of it."



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evadave's Avatar
#6 - evadave - 251w ago
My bank will be extremely happy, though I believe in their customers best interest they should be leading the way and continually increasing the encryption level.

aries2k6's Avatar
#5 - aries2k6 - 251w ago
Quote Originally Posted by semitope View Post
not the encryption I want cracked -_-

Lol, I hear you. Now if these guys want a real challenge they should try cracking the ps3.

semitope's Avatar
#4 - semitope - 251w ago
not the encryption I want cracked -_-

zaror1992's Avatar
#3 - zaror1992 - 251w ago
"Encryption is the process of transforming information (referred to as plaintext) using an algorithm (called cipher) to make it unreadable to anyone except those possessing special knowledge, usually referred to as a key."

timo1983's Avatar
#2 - timo1983 - 251w ago
i don't even know what it means and what its for.. does this have anything to do with consoles ? and what do we gain ?

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