Streaming data encryption and decryption method, device and system and storage medium

• Main Author: XIE JIANGLEI
• Format: Patent
• Language: Chinese; English
• Published: 16.10.2020
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention relates to a streaming data encryption and decryption method, device and system and a storage medium. The encryption and decryption method comprises the steps: when authentication codinginformation fed back by a data receiving end after authentication is passed is received, conducting an encryption operation on data sending end identification information, at least two preset piecesof first sharing information and first current time information to obtain first encrypted information; splitting the first encrypted information into at least two pieces of sub-encrypted information,and obtaining second encrypted information according to a preset calculation mode; for the at least one piece of first shared information, extracting sub-shared information from the first shared information according to a first preset rule; combining the at least one piece of sub-encryption information, the second encrypted information and each piece of sub-sharing information to obtain an encryption key; encrypting the aut