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Ask Slashdot: Post-Quantum Asymmetric Key Exchange-> 3

Submitted by
LeDopore
LeDopore writes "Quantum computers might be coming. I'd estimate that there's a 10% chance RSA will be useless within 20 years. Whatever the odds, some of the data we send over ssh and ssl today should remain private for a century, and we simply can't guarantee secrecy anymore using the algorithms with which we have become complacent. Are there any alternatives to RSA and ECC that are trustworthy and properly implemented? Why is everyone still happy with SSH and RSA with the specter of a quantum menace lurking just around the corner?"
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New Type of Camera Made Entirely in CMOS->

Submitted by LeDopore
LeDopore writes "Cornell researchers have developed a new class of camera called the Planar Fourier Capture Array (PFCA). It requires no lens or mirror, has no moving parts, and is manufactured entirely in an unmodified CMOS process, meaning that it costs pennies to make and is much smaller than even the smallest traditional focusing cameras.

While the camera's resolution is much lower than the kind of imager you would use to take photos (approximately 20 x 20 pixels), for applications where cost, size or weight is more important than megapixel count this device might be a useful option. The researchers see it as a potential component of an optical system for reporting neuron activity, since it could fit deep inside a brain without causing too much damage.

Full disclosure: I am the first author on this work, and I would be happy to answer questions about it."
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