Polygraphic substitution

A polygraphic substitution is a cipher in which a uniform substitution is performed on blocks of letters. When the length of the block is…

Papers overview

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2019

A cryptography system was developed previously based on Cipher Polygraphic Polyfunction transformations, C i × j ( t ) ≡ A i × i…

2015

An interesting possibility to develop system programmer thinking of students of computer science is integration digital…

2015

Security is required in order to defend information from unauthorized person on the network. Therefore, securely exchanging data…

2015

Block cipher algorithms are commonly used to secure confidential information in everyday user applications. However, it is quite…

2012

Maxillo-mMdibular surgery for obstructive sleep apnoea. C. Cuillemin.ault, M.A. Quera-Salva. N.B. Powe/1, R.W. Riley. Stanford…

1998

The major role that electroencephalography (EEG) could play in epileptology became apparent in the thirties. In Switzerland the…

1988

The purpose of this project is to demonstrate that a comprehensive polygraphic audiovisual monitoring system supported by…

1984

Sleep and waking were studied in normal term and normal and apneic premature infants at 44 wks post-conceptual age. Percentages…

1978

SummaryThe concept of “systolic time intervals” was introduced into noninvasive cardiologic examination byWeissler et al.; in…

1976