A qodiriy nomidagi jizzax davlat pedagogika

Kriptografiya  
 
Cryptography 
–axborot mazmunini niqoblash, uning 
ushlab qolinishi va buzilishi 
imkoniyatini bartaraf etish, axborotni 
ruxsatsiz foydalanishdan himoyalash 
maqsadida ma’lumotlarni o’zgartirish 
prinsplarini, usullarini va vositalarini 
birlashtiruvchi bilim sohasi. 
-field of knowledge which 
unites the principles, 
methods and means of 
transformation of data with 
the purpose to disguise 
contents of information, to 
prevent possibility of its 
interception and 
information distortion, to 
protect from unauthorized 
access to information. 
13.