Increasing reliability of transposition cryptographhy by repetition of single chors. - Boncho Aleksandrov (CompSysTech, 2000)

Combined transposition and substitution cryptographic protection of information. - Boncho Aleksandrov; Eftim Kilifarev (CompSysTech, 2000)

Using methods for compressing information like instrument of cryptographic protection. - Boncho Aleksandrov; Eftim Kilifarev (CompSysTech, 2000)

Protecting information by means of the remainders theorem. - Boncho Aleksandrov; M. Angelov (CompSysTech, 2003)

Distributed secret on the basis of the linear correcting codes. - Nina Siniagina; Boncho Aleksandrov; Petko Kochevski (CompSysTech, 2009)

Using the connectivity matrix for finding separated routes of information exchange in computer networks. - Boncho Aleksandrov; Petko Kochevski (CompSysTech, 2012)