Friday, May 17, 2013

Google and NASA Snap Up D-Wave Quantum Computer

Except what they obviously intend to use it for - large scale decryption of SSL traffic so the data can be mined by Google (for profit) and the Government (to oppress).

If that's their intent, they'll be sorely disappointed, since D-Wave's machine has only 512 qubits (where as all new SSL certificates are at least 1024 bits). More importantly, the machine is not a general purpose quantum computer and can't run Shor's algorithm.

Besides, NSA is already able to break 1024 bit RSA using conventional computing (not to mention the possibility of much cheaper side channel attacks). See e.g. Schneier [schneier.com].

If we are optimistic, it may be possible to factor a 1024-bit RSA modulus [before 2020] by means of an academic effort on [a] limited scale.

- Kleinjung et al., 2010 [iacr.org], my emphasis

The same paper gives an estimated difficulty

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/F-MWwpuqvus/story01.htm

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