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相关概念视频

Estimation of the Physical Quantities01:05

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On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
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Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
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Sampling Theorem01:15

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In signal processing, the analysis of continuous-time signals, denoted as x(t), often involves sampling techniques to convert these signals into discrete-time signals. This process is essential for digital representation and manipulation. A critical component in sampling is the train of impulses, characterized by the sampling interval and the sampling frequency. The relationship between these parameters and the original signal's properties dictates the success of the sampling process.
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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沙子算法的量子实现及其对粗暴武力攻击的量子资源估计.

Hongyu Wu1, Xiaoning Feng1, Jiale Zhang2

  • 1College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, China.

Entropy (Basel, Switzerland)
|March 28, 2024
PubMed
概括
此摘要是机器生成的。

这项研究使用量子计算评估了SAND轻量级密码的安全性. 尽管SAND-128符合NIST安全级别I,但SAND-64没有,尽管量子实现效率高.

关键词:
沙子算法 沙子算法粗暴的武力攻击攻击.格罗弗的算法 格罗弗算法一个轻量级的区块密码.

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科学领域:

  • 密码学 密码学 密码学 密码学
  • 量子计算是一种量子计算.
  • 信息安全 信息安全

背景情况:

  • 沙子算法是一个轻量级AND-RX区块密码家族,于2022年推出.
  • 评估对量子攻击的加密安全性对于未来的数据防护至关重要.

研究的目的:

  • 介绍SAND算法 (SAND-64和SAND-128) 的第一个量子实现.
  • 评估SAND的量子资源消耗和安全性,以防量子粗暴武力攻击.

主要方法:

  • 为SAND-64和SAND-128.8开发了一个量子电路实现.
  • 采用基于Groover的一般化粗暴攻击框架,并使用g数据库算法.
  • 分析了使用深度乘以宽度度指标的量子资源消耗.

主要成果:

  • 与现有的轻量级算法相比,SAND的量子实现显示了较低的资源消耗.
  • 桑德-128证明符合NIST安全级别I的要求.
  • SAND-64没有满足NIST安全级别I的安全要求.

结论:

  • 量子实施SAND是资源高效的.
  • 在NIST I级的量子攻击中,SAND-128提供了足够的安全性.
  • 对于当前的量子攻击模型,SAND-64的安全性是不够的.