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By considering the old results if the private exponent d used in RSA cryptosystem is less than n^0.292 than the system is insecure. So the problem is that we need to consider a very big prime numbers in order to make our system secure. Our approach will help to increase the range of private exponent d up to n^0.5. This will help the individual to have bigger ranges regarding the prime numbers, so...
Multimedia data encryption attempts to prevent unauthorized disclosure of confidential multimedia information in transit or storage. Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. If we call a multimedia data stream (message) plaintext , the process of transforming the plaintext into unintelligible data stream is referred...
In many business sectors sending secure information over public channels has become a challenging task. Data encryption is not the most efficient method to counteract attacks by adversaries. One form of encryption is to use the same key by the sender for encryption as well as the receiver for decryption. World-wide encryption standards such as DES and AES are used in Government and public domains...
This paper introduces a new (t, n) secret sharing scheme for image encryption. The proposed method encrypts the secret image into two images as the same size of the original image, which one is the public image (called the encrypted image) and another is to be shared among n participants using a new secret sharing method based on the Shamir’s secret sharing. In the new secret sharing scheme, t (or...
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