Security instant communication system
A communication system and security technology, which is applied in the field of optical fiber communication and instant communication, can solve the problems of instant communication confidentiality and poor practicability, and achieve the effect of improving security
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[0036] An instant messaging system provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0037] Quantum key distribution is the fastest-growing branch in the field of quantum information. It relies on the uncloning principle of a single quantum state to enable both parties to communicate in different places to achieve absolutely secure key distribution. In 1984, Bennett and Brassard proposed the first quantum cryptography scheme, the BB84 protocol. In 1992, quantum key transmission was demonstrated experimentally. Subsequently, various laboratories carried out experimental research on quantum key distribution, which greatly promoted the practical application of quantum key distribution. Although the key generation rate of the current quantum key distribution is still relatively low, it is difficult to apply to some occasions with relatively large data transmission traffic. However, the am...
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