The organization maintains various information in cloud which is a loosely coupled
environment. However, the nature of cloud encourages the threats in different level. Among …

The Polybius Square is a cryptographic algorithm modified and enhanced over time to fit
modern standards. A modification that is the focus of this study is the extension of the 5x5 …

Cryptography is the branch of Discrete Mathematics which deals with the transmission of
secret communications between intended parties without the knowledge of third party …

In this study, we conceptualise a hybrid approach of plaintext encryption by making use of
Substitution and Transposition cipher technique namely Playfair Cipher and Simple …

Nowadays people around the world are interested in sharing information among
themselves, but they are worried about the security aspect while sharing any information …

These days, Information Security is the most summon aspects in the web and network
application due to their swiftly origination. Therefore, secure exchanged data over the …

This paper proposes a new algorithm for text encryption utilizing English words as a unit of
encoding. The algorithm vanishes any feature that could be used to reveal the encrypted text …

In this paper, a new 3D generalized playfair model is proposed that takes three letters of text
message at the same time and generates cipher text accordingly. The 3D cipher structure …

Security of information is one of the most concerned issues during data transmission
wherein cryptographic schemes are needed. This paper intends to improve the encryption …

Secured patient's information transaction between doctors and expert doctors from home
and abroad, from remote to global for many reasons. A secured patients' information …