Enhancing Security of Vigenere Cipher by Stream Cipher

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Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
Cryptography is a science of converting clear message into secret message \"Non-readable message\", where message was encrypted at sender side then decrypted at receiver side. Vigenere is an example of substitution cipher, it has various limitations, in this paper, the authors propose an advanced encryption algorithm which improves the security of Vigenere method by combining it with modern cipher method like stream cipher, stream cipher relatively regards as unbreakable method, and it uses binary form (instead of characters) where the Plaintext, Ciphertext and the key are strings of bits.
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