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相关概念视频

Signal and System01:26

Signal and System

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A signal x(t) is a set of data or a time function representing a variable of interest. Signals typically convey information about a phenomenon, such as atmospheric temperature, humidity, human voice, television images, a dog's bark, or birdsongs. More generally, a signal can be a function of more than one independent variable. For instance, images depend on horizontal and vertical positions and can be regarded as two-dimensional signals. However, this text will focus on one-dimensional...
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Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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Barriers to Effective Communication II01:21

Barriers to Effective Communication II

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The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...
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Communication01:28

Communication

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Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
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Communication01:03

Communication

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Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
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Neuronal Communication01:28

Neuronal Communication

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Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
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相关实验视频

Updated: Jan 9, 2026

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem

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加密盾是用于增强安全性和强大的通信系统的多层加密框架.

Muhammad Altaf1, Weam Gaoud Alghabban2, Nazar Mohammad Nazar3

  • 1School of Software Engineering, Dalian University of Technology, Dalian, 116026, Liaoning, China.

Scientific reports
|December 2, 2025
PubMed
概括
此摘要是机器生成的。

加密盾为使用圆曲线Diffie-Hellman (ECDH) 和AES-GCM的受约束系统提供了身份验证保密. 该框架通过优化圆曲线加密和基于的密钥导出来提高安全性和性能.

关键词:
计算效率 计算效率 计算效率密码学框架 密码学框架输入量优化优化 输入量优化关键交换协议 关键交换协议消息认证代码 消息认证代码多层次的安全保护.实时加密技术 实时加密技术

相关实验视频

Last Updated: Jan 9, 2026

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
10:15

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem

Published on: February 3, 2021

4.1K

科学领域:

  • 密码学和网络安全
  • 嵌入式系统安全 嵌入式系统安全
  • 应用密码学 应用密码学

背景情况:

  • 相互连接的,对延迟敏感的系统需要高效的加密解决方案,在受约束的硬件上进行身份验证保密.
  • 对于资源有限的环境,现有的加密框架可能无法充分平衡安全性,性能和成本.
  • 需要具有可预测性能特征的强大的安全原始程序.

研究的目的:

  • 介绍CryptoShield,一个为受约束硬件设计的多层加密框架.
  • 为了证明编写圆曲线的Diffie-Hellman (ECDH),AES-GCM和圆曲线数字签名算法 (ECDSA) 的有效性.
  • 通过特定的设计选择来评估性能和安全性改进,例如钥匙分离和增强盐分.

主要方法:

  • 组合ECDH用于密钥协议,AES-GCM用于身份验证加密与相关数据 (AEAD),以及ECDSA用于原产地认证.
  • 实现了PBKDF2-HMAC,用于关键导出和可选的XOR预处理以消除偏差.
  • 包含圆曲线优化,如标量乘法改进和结构保存映射.
  • 模拟CryptoShield使用KDD杯1999,UNSW-NB15和IoTID20的流量配置文件.

主要成果:

  • 实现了低于10毫秒的加密和解密延迟 (例如,IoTID20上的7.9毫秒),吞吐量高达5010次/秒.
  • 量化高认证强度,MAC度达到243位,衍生密钥度达到256位.
  • 与EGCM,ANAF和ASMD等基准方法相比,证明了更好的身份验证安全性和系统性能.

结论:

  • "加密盾"为受约束硬件上的相互连接,延迟敏感系统提供了安全高效的加密解决方案.
  • 分区加密原始,基于的密钥导出和曲线级优化显著提高了安全性和性能.
  • 该框架满足了在性能关键应用中对高保证度和速度的要求.