Novel Algorithm for Encryption:Hybrid of Transposition and Substitution Method

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Provided by: Association of Computer Electronics and Electrical Engineers
Topic: Security
Format: PDF
Since last one decade, it's a big challenge to send confidential data or information from one system to another system. There is a massive growth in internet and communication technologies in last decade that makes it difficult to send data securely. This paper presents an algorithm which is hybrib of transposition and substitution method. The main advantage of this approach is it doesn't use any key from outside because key is present within the original message. Due to this the main problem of exchanging keys securely is solved. Both transposition and substitution method have their own limitations. So the authors use both these method so that the resultant cipher is more secure and strong.
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