[PDF][PDF] Approach for partial encryption of compressed images

NS Hassan, HA Younis - Journal of Babylon University Application Science, 2013 - iasj.net
NS Hassan, HA Younis
Journal of Babylon University Application Science, 2013iasj.net
In this paper, the proposed partial encryption scheme in which a secure encryption is used
to encrypt only part of the compressed data. Only 10%-25% of the output from quadtree
compression algorithm is encrypted. Resulting in a significant reduction in encryption and
decryption time. Thus, in the compression step, the quadtree compression algorithm is used
while in the encryption step, Advanced Encryption Standard (AES) cipher is applied. The
proposed partial encryption scheme is fast, secure, and do not reduce the compression …
Abstract
In this paper, the proposed partial encryption scheme in which a secure encryption is used to encrypt only part of the compressed data. Only 10%-25% of the output from quadtree compression algorithm is encrypted. Resulting in a significant reduction in encryption and decryption time. Thus, in the compression step, the quadtree compression algorithm is used while in the encryption step, Advanced Encryption Standard (AES) cipher is applied. The proposed partial encryption scheme is fast, secure, and do not reduce the compression performance of the underlying selected compression algorithm
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