Two Way Securities in QR Code Image by Using Steganography

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Parthiban. S
Sujatha. P

Abstract

QR (Quick Response) Codes, is a kind of barcode, are Initiating to make inroads in the United States. It is upcoming technology which is adopted in higher education and non rural areas. A QR code is a matrix barcode readable by smart phones and mobile phones with cameras and android operating system. This can be refereed as 2D code, 2D bar code and Matrix code. This technique is more convenient to hiding data in simple manner, but there is no security, which lead to information leakage. To avoid such cases, need security in QR Code. In this paper we are using QR Code as Image and providing (TWS) two ways security (QR Code Image Security and stenography which is used by new technology is called DWT) to secure data, which is more convenient to hold sensible as well as highly valuable data, used in army force and keeping patient’s information securely and thwart from third party attacks while sending it through internet.


Keywords: QR, DCT, DWT, IDWT, TWS, Steganography.

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