Image Encryption on Mobile Phone using Super Encryption Algorithm
Abstract: Mobile phones have
limited memory and computational resources. Modern encryption algorithms such
as DES, AES, IDEA uses a complicated and complex algorithm, that are not
suitable for image encryption on mobile phones. Necessary, it is tradeoff
between speed, security, and flexibility. Problem to be investigated and
resolved is how to get the image encryption algorithm which is simple yet safe,
with the lightweight and efficient computing. The algorithm developed in this
study was super-encryption algorithm that combines Playfair cipher and the
Vigenere cipher. The experimental results show the cipher image histogram has a
distribution of diversity and a significant difference to the plain image
histogram, and frequency of occurrence of each intensity value in the histogram
of cipher image is also uneven, which means can not provide clues to do
statistical attack. The experimental results also showed a correlation between
the elements of the image after encryption has decreased significantly. The
average of quality encryption showed that the rate of change of image pixels is
high enough so that cipher image difficult to identify. Tests on a cell phone
showed that this algorithm requires only small computational resources. This
shows that the algorithm is quite effective for image encryption on mobile
phones.
Author: Emy Setyaningsih,
Catur Iswahyudi, Naniek Widyastuti
Journal Code: jptkomputergg120112
Artikel Terkait :
Jp Teknik Komputer gg 2012
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