SCHNEIER, Bruce. Applied cryptography : protocols, algorithms, and source code in C. 20th anniversary edition. Indianapolis : Wiley, [2015]. ©2015. 1 online zdroj (xxv, 758 stran). Dostupné na internetu: <http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=1535854> ISBN 978-1-119-43902-8.