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Marine sponges inspire the next generation of skyscrapers and bridges（图）
Marine sponges next generation skyscrapers bridges
2020/10/10
When we think about sponges, we tend to think of something soft and squishy. But researchers at Harvard University are using the glassy skeletons of marine sponges as inspiration for the nex...
Sponges Resist Leakage: The Case of Authenticated Encryption
AEAD Leakage Resilience Side Channels
2019/9/17
In this work we advance the study of leakage-resilient Authenticated Encryption with Associated Data (AEAD) and lay the theoretical groundwork for building such schemes from sponges. Building on the w...
Quantum Indistinguishability of Random Sponges
Symmetric cryptography keyed sponges indistinguishability
2019/1/26
In this work we show that the sponge construction can be used to construct quantum-secure pseudorandom functions. As our main result we prove that random sponges are quantum indistinguishable from ran...
Key Prediction Security of Keyed Sponges
outer-keyed sponge full-keyed sponge key prediction
2018/5/22
The keyed sponge is a well-accepted method for message authentication. It processes data at a certain rate by sequential evaluation of an underlying permutation. If the key size kk is smaller than the...
Forget sponges:the earliest animals were marine jellies
Forget sponges the earliest animals marine jellies
2017/4/27
When cartoonist and marine-biology teacher Steve Hillenburg created SpongeBob SquarePants in 1999, he may have backed the wrong side of one of the longest-running controversies in the field of evoluti...
Collapsing sponges: Post-quantum security of the sponge construction
quantum cryptography hash functions
2017/3/31
We investigate the post-quantum security of hash functions based on the sponge construction. A crucial property for hash functions in the post-quantum setting is the collapsing property (a strengtheni...
Babies are language sponges--even with sign language
Babies language sponges sign language
2016/6/22
It's widely believed that the younger you are, the easier it will be for you to learn a new language, and new research is finding that holds true for sign language as well. University of California, S...
New Bounds for Keyed Sponges with Extendable Output: Independence between Capacity and Message Length
PRF XOF game playing
2016/3/18
We provide new bounds for the pseudo-random function security
of keyed sponge constructions. For the case c ≤ b/2 (c the capacity
and b the permutation size), our result improves over all previously...
In this document we present an introductory overview of the algorithms
and design components underlying the Keccac cryptographic primitive
and the Keyak encryption scheme for authenticated (session-...
Collision Spectrum, Entropy Loss, T-Sponges, and Cryptanalysis of GLUON-64
random function Collision Probability Spectrum collision tree
2016/1/23
In this paper, we investigate the properties of iterative non-injective functions and the security of primitives where they are used. First, we introduce the Collision Probability Spectrum (CPS) param...
The tight analysis of keyed sponges is our main result and we see this as an important step in validating SHA-3-based authentication before its deployment. Still, our analysis crucially relies on the ...
In the fight against global warming, carbon capture – chemically trapping carbon dioxide before it releases into the atmosphere – is gaining momentum, but standard methods are plagued by toxicity, cor...
Complex interactions between marine sponges and their symbiotic microbial communities
Complex interactions marine sponges symbiotic microbial communities
2014/4/4
To investigate the importance of symbiont-derived nutrition to host sponges, we coupled manipulative shading experiments with stable isotope analyses of isolated symbiont and host cell fractions. Expe...
Deep in the ocean, sponges of the Agelas family, or bacteria living within the sponges, emit chemicals believed to help them defend their territory. Those chemicals, called agelastatins, have also sho...
Heterogeneous oxygenation resulting from active and passive flow in two Mediterranean sponges,Dysidea avaraandChondrosia reniformis
Heterogeneous oxygenation resulting active passive flow in two Mediterranean sponges Dysideaavara Chond rosia reniformis
2014/4/17
The oxygen dynamics and pumping behavior inDysidea avaraand Chondrosia reniformis(Porifera,Demospongiae) were investigated using oxygen microelectrodes and heated thermistor flow sensors. Both field a...