منابع مشابه
Image Encryption Using Advanced Hill Cipher Algorithm
The Hill cipher algorithm is one of the symmetric key algorithms that have several advantages in data encryption. But, the inverse of the key matrix used for encrypting the plaintext does not always exist. Then if the key matrix is not invertible, then encrypted text cannot be decrypted. In the Involutory matrix generation method the key matrix used for the encryption is itself invertible. So, ...
متن کاملAdvanced Partial Image Encryption using Two-Stage Hill Cipher Technique
Information security is a fast growing research field which includes numerous problems in it. Partial image encryption is one of the important problems in the field of image information security. This paper describes the partial image encryption in two ways using hill cipher technique. First encryption technique uses two slightly different keys to construct two self-invertible matrices, which a...
متن کاملAdvanced Partial Image Encryption using Two-Stage Hill Cipher Technique
Information security is a fast growing research field which includes numerous problems in it. Partial image encryption is one of the important problems in the field of image information security. This paper describes the partial image encryption in two ways using hill cipher technique. First encryption technique uses two slightly different keys to construct two self-invertible matrices, which a...
متن کاملAn Efficient Stream Cipher Algorithm for Data Encryption
Nowadays the data telecommunication security has been provided by most of well-known stream cipher algorithms which are already implemented in different secure protocols such as GSM, SSL, TLS, WEP, Bluetooth etc. These algorithms are A5/1, A5/2, E0 and RC4. On the other hand, these public algorithms already faced to serious security weakness such that they do not provide enough security of prop...
متن کاملSegmentation and Encryption of Satellite Images Using Stream Cipher Algorithm
Information security plays one of the very important roles in the field of emergent information and communication technology. The applications such as medical images and satellite images needs the security only in the required portion, which contains the useful information .To improve the perception of surroundings and to monitor the earth’s surface, remote sensing is used and it led the way fo...
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ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2018
ISSN: 0975-8887
DOI: 10.5120/ijca2018916326