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. 2023 Jul 2;23(13):6104. doi: 10.3390/s23136104
Algorithm 1: Key Generation and DNA Encryption.
Key Generation

  1.   Begin

  2.   Select Prime number P.

  3.   Select Private Key D.

  4.   Select Public Key E.

  5.   T = (E)^d mod P.

  6.    Value of T will be key value

  7.    End

DNA based Encryption (at WBAN’s Sensors)
  • 8.

     Begin

  • 9.

     for each NS ∈ PD do

  • 10.

     Sensor node sends authenticated data towards PD through DNA Encryption securely

  • 11.

     Then idle spectrum is being sensed to transfer data

  • 12.

     Through idle bandwidth spectrum PD transfer data to BS

  • 13.

     end for

  • 14.

     for each NS ∈ PD do

  • 15.

     if (PD receives data from NS securely) then

  • 16.

     encrypted data is ready to transfer over idle bandwidth spectrum

  • 17.

     else if (PD does not receive data in given slot from NS) then

  • 18.

     Bandwidth is not sensed for idle spectrum

  • 19.

     else if (BS receives data from PD successfully) then

  • 20.

     data is transferred to cognitive networks BS

  • 21.

     end if

  • 22.

     end for

DNA Encryption Algorithm (DEA) (at Cognitive networks)
Begin
  • 23.

     BS transmits data to gateway safely encrypted using DEA

  • 24.

     Data is transferred from the gateway to the medical server.

  • 25.

     Data is detected by medical servers for further action.

  • 26.

     for each BS GW do

  • 27.

     If (BS safely receives data from the spectrum), then

  • 28.

     Gateway is used to transport data over clouds.

  • 29.

     Data is not identified by the Gateway to send over clouds if (BS does not receive data from any spectrum in specified slot).

  • 30.

     End if

  • 31.

     If (data from BS to Gateway) is true, then

  • 32.

     Gateway clouds deliver data to the medical server.

  • 33.

     End if

  • 34.

     End for