Математик моделлаштириш ва сонли усуллар

S:Mavjud barcha kriptografik usullar qanday almashtirishlarga asoslangan?

+:o’rniga qo’yish, o’rin almashtirish, gammalashtirish, analitik almashtirish

-:o’rin almashtirish, gammalashtirish, blokli shifrlash, analitik almashtirish

-:o’rniga qo’yish, blokli shifrlash, gammalashtirish,

-:o’rniga qo’yish, o’rin almashtirish, blokli shifrlash

I:

S:Quyida keltirilgan algoritmlardan blokli shifrlash algoritmlarini ko’rsating: GOST 28147-89, O’zDSt 1105:2009, RC4, MD5, AES.

+:O’zDSt 1105:2009, GOST 28147-89, AES

-:O’zDSt 1105:2009, GOST 28147-89, RC4

-:O’zDSt 1105:2009, RC4, MD5, AES

-:GOST 28147-89, AES, MD5

I:

S:Quyida keltirilgan algoritmlardan oqimli shifrlash algoritmlarini ko’rsating: GOST 28147-89, O’zDSt 1105:2009, RC4, MD5, AES, RC4, SEAL, WAKE.

+: RC4, SEAL, WAKE

-:RC4, GOST 28147-89, O’zDSt 1105:2009,

-:GOST 28147-89, O’zDSt 1105:2009, SEAL

-:MD5, AES WAKE

I: