Polytetrafluoroethylene

Reappearance of ‘Backdoors’ in International Wireless Encryption Algorithms

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Reappearance of 'Backdoors' in International Wireless Encryption Algorithms

In 1995, the European Telecommunications Standards Institute (ETSI) released the TETRA (Terrestrial Trunked Radio) standard, which has been widely used by police, military, and critical infrastructure agencies in various countries around the world. However, researchers discovered in 2023 that the encryption algorithms within the TETRA standard (such as TEA1) have serious vulnerabilities that could be … Read more

International Radio Encryption Algorithm Reveals ‘Backdoor’

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International Radio Encryption Algorithm Reveals 'Backdoor'

The Terrestrial Trunked Radio (TETRA) standard, developed by the European Telecommunications Standards Institute (ETSI), is one of the most widely used radio encryption communication standards globally. It is extensively adopted by communication equipment manufacturers such as Motorola and Sepura, with applications spanning over 100 countries, primarily for encrypted communications in police, rescue, military, and critical … Read more

Micro-Nano Energy Collection and Self-Powered Pulp Concentration Sensing in Papermaking

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Micro-Nano Energy Collection and Self-Powered Pulp Concentration Sensing in Papermaking

01 Research Background Under the background of carbon neutrality, the transformation of automated factories into intelligent factories significantly promotes the high-end, intelligent, and green development of the papermaking industry. The realization of the papermaking industry’s Internet of Things requires a large number of smart sensing terminal devices. However, the increased energy consumption during the intelligentization … Read more