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Cryptography Algorithm Project Source Code Download



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Cryptography is a system that secures the data from unapproved access. Encryption calculations and key are the fundamental segments of cryptography. The plain content is changed over into cipher content (encoded shape) utilizing an encryption calculation known as encryption process. The cipher content is changed over into plaintext utilizing an decryption calculation known as decoding process. 


This work focus on the encryption and decryption of all kind of data format such as text, image and numeric form. Here data was not only encrypt but also compress in such a way that decompression gives loss less output. It was obtained that proposed algorithm is compatible with all kind of input data. In order to maintain high level of security symmetric key was used at sender and receiver side for whole process. Whole work focuses for data hiding by using LZW technique. Whole work is modularized into encryption and decryption module. Whole data need to be regenerated in original form successfully retrieve from the received data without any information loss.


This work concentrates on the computerized information concealing systems. Here entire work was arranged to the point that information get preprocessed first that change binary format as per the numeric representative of the data. Here work was divide into data encryption and decryption stages. For In case of decryption hided data should be successfully retrieve from the received data without any information loss of the original data as well as data hiding [7, 8]. In Fig. 4.2 whole encryption block diagram was explained. While Fig. 4.3 whole decryption block diagram was explained.

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Software Requirement :   MATLAB

Hardware Requirement :   • Intel Processor 2.0 GHz or above. • 2 GB RAM or more. • 160 GB or more Hard Disk Drive or above.

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