File encryption and decryption system, encryption and decryption devices and encryption and decryption methods
A technology for encryption, decryption, and files, which is applied in transmission systems, digital transmission systems, and secure communication devices. It can solve problems such as illegal acquisition of data, prevent illegal users from obtaining data content, and hacker attacks on transmission, etc., so as to improve security, Effects that increase the difficulty of cracking
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[0019] see figure 1 , is a hardware architecture diagram of the system for encryption and decryption of the present invention. The system 1 includes a sender 10 and at least one receiver 20 connected to the sender 10 through a network 200 . The sender 10 may be an electronic device such as a personal computer, a server, or any other applicable computer. The recipient 20 may be a personal terminal device such as a personal computer or a mobile phone.
[0020] The network 200 may be the Internet, a local area network or a wireless communication network.
[0021] The sender 10 encrypts pictures, audio, video and other files and sends them to the receiver 20 through the network 200. After receiving the encrypted file, the receiver 20 decrypts it to obtain the file.
[0022] see figure 2 , for the present invention figure 1 A functional block diagram of the sender 10 in FIG. The sender 10 includes a storage unit 101 , a communication module 102 , a timing module 103 , an acq...
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