Communications of the ACM
Dynamic Encryption Keeps Secrets
Credit: PsyPost
Technical University of Denmark (DTU) professor Lars Ramkilde Knudsen says he has developed a method for encrypting telephone conversations that makes it very difficult to eavesdrop. The method ensures all telephone calls are encrypted and eavesdroppers are unable to decrypt information in order to obtain secrets.
Most telecommunications operators use the AES encryption algorithm, Knudsen says, adding that his system expands the AES algorithm with several new dynamic layers. "The clever thing about it is that your phone can decrypt the information without knowing which system you have chosen," he says. "It is as if the person you are communicating with is continually changing language and yet you still understand."
The DTU system forces eavesdroppers to decipher the encryption key and the encryption method, which means a conversation would be extremely difficult to decrypt when dynamically encrypted. Knudsen also notes the system could be very effective in combating industrial espionage.
From Technical University of Denmark
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