Alibaba and the Chinese Academy of Sciences have launched the world's first secure communication products using quantum cryptography, which will be provided to industries with high security requirements, such as the financial industry, as a higher security strength protection mechanism.
In addition to the introduction of quantum-encrypted communication products, Alibaba Cloud also demonstrated a 40M transmission specification quantum gateway device at the Yunqi Developer Conference, which can provide enterprises with the use of quantum-encrypted video communication.
At the 2015 Yunqi Developer Conference held in Hangzhou this year, Alibaba Cloud Computing released a number of new cloud-based applications, including large data, Internet of Things, and machine learning. In the future, communication products will also be provided to industries with high security requirements, such as the financial industry, as a higher security strength protection mechanism.
This quantum encryption device is a quantum communication product developed by Alibaba Cloud and the Chinese Academy of Sciences. As early as July this year, Alibaba and the Chinese Academy of Sciences jointly announced the establishment of a quantum laboratory in Shanghai to jointly develop new quantum devices. The quantum encryption device introduced this time is the latest research and development result of cooperation between the two parties.
Pan Jianwei, an academician of the Chinese Academy of Sciences who is responsible for the development of quantum technology, said that the currently known encryption algorithms are based on a hypothesis. Whenever the complexity of encryption operations is increased, the possibility of intercepting and cracking messages by the hackers during the transmission process can be effectively reduced. Sex. But as hardware technology matures, computing power is also leaps and bounds, so that encryption algorithms that used to take decades to crack can now be cracked in a few days.
Therefore, Pan Jianwei said that the biggest difference between quantum encryption communication technology and traditional encryption technology is that quantum encryption is based on the basic principle of physics. In the encryption method, the smallest energy unit of light, Single-Photon, is used as the medium. Send encrypted message content.
Pan Jianwei said that a single photon is a single-particle light that is composed of a quantum dot composed of a hundred-meter material. Each single photon exists independently of each other and has an indivisible property. When a single photon is used to transmit a communication key, Utilizing the interference effect generated by the measurement quantum itself, once a hacker intercepts the key by eavesdropping, the state of the quantum key is changed, and the receiver or sender is quickly aware of the eavesdropping behavior. One step to prevent the message from being stolen.
Although quantum cryptography can theoretically achieve complete communication security, Pan Jianwei admits that it can exert the effect of quantum cryptography, and ultimately depends on the requirements of quantum cryptography conditions between different devices in the real environment, such as the use of Fibre Channel. To transmit quantum encrypted messages.
Pan Jianwei plans to connect a whole series of fiber channels that can be used for quantum encryption in major cities such as Beijing, Shanghai and Hangzhou. In addition, the first quantum communication satellite will be launched in the first half of next year, and multiple quantum will be deployed in the future. Communication satellites to gradually implement a wider range of quantum communication applications.
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