Patent ID: 9432370
Filing Date: 2016-08-30
CPC Classification: H04L

Claim Text:
1. A method for transmitting at least one data block in a sequence of data blocks to be transmitted, comprising: forming at least one first piece of authentication data configured as a message authentication code and associated with a selected data block; forming at least one second piece of authentication data configured as a message authentication code and associated with the selected data block, the one second piece of authentication data being different from the one first piece of authentication data; and transmitting the selected data block, the first piece of authentication data and the second piece of authentication data to a receiver configured to (i) check a validity of the received selected data block with the aid of at least one of the received first piece of authentication data and the received second piece of authentication data, and (ii) check a validity of the received first piece of authentication data with the aid of the received second piece of authentication data.