Alexander I. Kheyfits <br/><br/>
Discrete Mathematics With Cryptographic Applications  A Self-Teaching Introduction 

 -  Mercury Learning and Information  2021 
<br/><br/><label>ISBN: </label>9781683927631 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Cryptography & Encryption<br/> Security <br/>COMPUTERS <br/>Cryptography.,Discrete mathematics.