Processing device, communication device and methods thereof
A technology for processing equipment and communication equipment, which is applied in the field of computer programs and computer program products, methods, and communication equipment to achieve the effects of reducing the number of data transmissions, reducing loads, and reducing power consumption
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[0101] Data encryption and decryption in traditional communication devices often involves multiple data transfers over the system bus. For example, when decryption is performed, encrypted data is usually first transferred from cache to external memory over the system bus. In the second step, the encryption function decrypts the encrypted data. Cryptographic functions are typically implemented in peripheral hardware devices that use the system bus to transfer encrypted data from and decrypted data back to external memory. With this configuration, the system bus should be sized at least three times the maximum data rate to provide sustained rates. Furthermore, the external memory needs to be able to obtain at least twice the maximum data rate. That is, getting a maximum data rate of 20Gbit / s means that the system bus needs to be able to handle 60Gbit / s data rates, and the external memory needs to be able to handle 40Gbit / s data rates. Therefore, there is a need to minimize th...
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