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Enhanced secure data authentication and transmission using RDHSS scheme

Military communications are always very secret and sensitive. Its communications embrace all possible technologies to ensure that it is properly delivered to the intended destination / person. The technologies, military adopts are huge and intricate. It progressed to visual and audible signals, and then advanced into the electronic age. Military transmits messages such as orders and reports, both in the field and at sea and between headquarters and distant installations or ships. Most of the orders and reports are scanned copy. The security are to be beefed up and technology designers have been at their best to develop technologies to boost reliability, to ensure authenticity and imbibe more and more security, taking into considerations of available bandwidth. Notwithstanding the development and implementation of technologies, hackers are at their best to defeat the technologies. The sharing of digital images, involving orders, reports and sensitive information are becoming increasingly difficult to prevent unauthorized access and to avoid data forgery. The very danger of unauthorized access and its blatant use against national security is imminent. If any third party gets the secret message, they can alter the contents and transfer this to destination. The secrecy of the digital images will be lost due to this unauthorized access. So military images should maintain the confidentiality, authenticity and integrity. For this, military communication should ensure the use of efficient and robust cryptographic techniques. This research proposes a four pronged security system that combines the use of two algorithms viz. Reversible Data Hiding and Shamir Secret Sharing Algorithm to ensure integrity, authentication and security of digital images.