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Caught speeding:Clocking the fastest-spinning brown dwarfs(图)
Caught speeding Clocking fastest-spinning brown dwarfs
2021/4/23
Astronomers have discovered the most rapidly rotating brown dwarfs -- three brown dwarfs that each complete a full rotation roughly once every hour. The rate is so extreme that if they rotated any fas...
Materials Scientists Probe Protein’s Role in Speeding Ebola Spread(图)
Materials Scientists Protein’s Role Ebola Spread
2017/9/5
Two Johns Hopkins materials science graduate students and their professors played a key role in a multi-institution research project that pinpointed how a tiny protein seems to make the deadly Ebola v...
Speeding up Elliptic Curve Scalar Multiplication without Precomputation
Elliptic curve cryptography Scalar multiplication Montgomery ladder
2017/7/11
This paper presents a series of Montgomery scalar multiplication algorithms on general short Weierstrass curves over odd characteristic fields, which need only 12 field multiplications plus 12 ~ 20 fi...
Major substep in a lattice sieve algorithm which solves the Euclidean shortest vector problem (SVP) is the computation of sums and Euclidean norms of many vector pairs. Finding a solution to the SVP i...
This paper presents faster inversion-free point addition formulas for the curve y*(1+a*x^2)=c*x*(1+d*y^2). The proposed formulas improve the point doubling operation count record from 6M+5S to 8M and ...
Speeding up detection of SHA-1 collision attacks using unavoidable attack conditions
hash functions SHA-1 counter-cryptanalysis
2017/2/28
Counter-cryptanalysis, the concept of using cryptanalytic techniques to detect cryptanalytic attacks, was first introduced by Stevens at CRYPTO 2013 with a hash collision detection algorithm. That is,...
Melting Sea Ice May Be Speeding Nature’s Clock in the Arctic
Melting Sea Ice Nature’s Clock the Arctic
2017/3/14
Spring is coming sooner to some plant species in the low Arctic of Greenland, while other species are delaying their emergence amid warming winters. The changes are associated with diminishing sea ice...
SPEEDING UP COARSE POINT CLOUD REGISTRATION BY THRESHOLD-INDEPENDENT BAYSAC MATCH SELECTION
BaySAC Convergence evaluation Hypothesis set Inlier probability Point cloud registration RANSAC
2016/11/11
This paper presents an algorithm for the automatic registration of terrestrial point clouds by match selection using an efficiently conditional sampling method -- threshold-independent BaySAC (BAYes S...
Speeding up the Number Theoretic Transform for Faster Ideal Lattice-Based Cryptography
Post-quantum cryptography number theoretic transform (NTT) ring learning with errors (R-LWE)
2016/5/24
The Number Theoretic Transform (NTT) provides efficient algorithms for cyclic and nega-cyclic convolutions, which have many applications in computer arithmetic, e.g., for multiplying large integers an...
Speeding up R-LWE post-quantum key exchange
Post-quantum key exchange Ring-LWE software optimization
2016/5/18
Post-quantum cryptography has attracted increased attention in the last couple of years, due to the threat of quantum computers breaking current cryptosystems. In particular, the key size and performa...
Speeding: On Low-Latency Key Exchange
Foundations low-latency key exchange zero-RTT protocols
2016/1/27
Low-latency key exchange (LLKE) protocols allow for the transmission of cryptographically protected payload data without requiring the prior exchange of messages of a cryptographic key exchange protoc...
Speeding-up lattice sieving without increasing the memory, using sub-quadratic nearest neighbor search
Nearest neighbor search lattice sieve
2015/12/30
We give a simple heuristic sieving algorithm for the m-dimensional
exact shortest vector problem (SVP) which runs in time 20.3112m+o(m)
. Unlike
previous time-memory trade-offs, we do not increase ...