Abstract; Technology not only
allows information submitted in the form of text, but also in the form of
images, audio or video. However, the
use of digital
audio data is
not necessarily improves
the security of the message. Various attack
techniques emerged so
others can know
the confidential information
contained in digital audio
messages. One attempt
to provide information
that can be
done is a
cryptographic system or cryptosystem. In the elliptic curve
equation are the values that can be used as a private key and public key
to encrypt the
data in this
form of audio.
Audio data will
be processed on
the secure encryption
and decryption using elliptic curve cryptography with
Diffie-Hellman key exchange. Parameters and variables
contained in the curve equation would be calculated to determine the shared
secret key to be used in both encryption and decryption process audio. The
conditions before the encrypted audio data are audible. The result of
encrypting the audio data to produce a new audio is not clear. Decryption
process causes the data back to the original audio data so that the second
audio data can be heard clearly. Attack man in the middle of this process can’t
decrypt the encrypted audio file. File decryption results may not be tuned so
that the audio file will be secure and can only be heard by the user encryption
and decryption that really has the right combination of keys that user actual
encryption and decryption.
Keywords: Elliptical Curve
Cryptosystem, encrypt, decrypt, Diffie-Hellman, digital audio
Penulis: Anita Ahmad Kasim
Kode Jurnal: jpmatematikadd100026
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