Simmetrik shifr
Symmetric cipher
- shifrlash va rasshifrovka qilish
uchun aynan bir kalitdan yoki biri
orqali boshqasi osongina aniqlashi
mumkin bo’lgan turli kalitlardan
foydalanuvchi shifr.
- a cipher is used for
encryption and decryption
one and the same key or a
different key, such that one
of them can be easily
obtained by another.
14.
Faol xujum
Attack active
- kriptotizimga yoki kriptografik
protokolga hujum bo’lib, unga binoan
dushman va/yoki buzg’unchi konuniy
foydalanuvchi xarakatiga ta’sir etishi,
masalan, qonuniy foydalanuvchi
xabarini almashtirishi yoki yo’q
qilishi va xabarni yaratib uning
nomidan uzatishi va h. mumkin.
- attack on a cryptosystem
or cryptographic protocol in
which the offender or the
enemy and can affect the
legitimate user actions, for
example, replace or remove
legitimate posts, create and
send messages on his
behalf, etc.
15.
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