Cryptography Definitions Flashcards

1
Q

OCSP

A

Online Certificate Status Protocol

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2
Q

Message Digest

A

fixed length block of data, result of hash function

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3
Q

IV

A

Initialization Vector

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4
Q

Nonce

A

Generated IV/Counter IV/Fixed IV/Random IV (↓)

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5
Q

PRIME NUMBERS

A

any number whose factors are 1 and itself only.

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6
Q

CO-PRIMES

A

A number that has no factors in common with another number.

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7
Q

EULER’S TOTIENT

A

Part of RSA.

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8
Q

MODULUS OPERATOR

A

Reminder of divide A by N

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9
Q

FIBONACCI NUMBERS

A

adding the last 2 numbers create next

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10
Q

BIRTHDAY PARADOX

A

Related to hashes and collision.

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11
Q

BIRTHDAY ATTACK

A

Brute force attack against hashes.

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12
Q

Ke

A

secret key

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13
Q

E

A

encryption

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14
Q

D

A

Decryption

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15
Q

m

A

Message

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16
Q

a

A

message authentication code

17
Q

h

A

MAC function

18
Q

P

A

public key

19
Q

S

A

secret key

20
Q

s

A

signature

21
Q

v

A

verification key

22
Q

P

A

plain text

23
Q

C

A

cipher text

24
Q

l (P)

A

length ofPlaintextin bytes

25
Q

b

A

block size

26
Q

K

A

number of blocks

27
Q

A

XOR

28
Q

M

A

blocks in total

29
Q

n

A

block size of the block cipher

30
Q

h

A

iterative hash function

31
Q

T

A

tag

32
Q

K0

A

Key Stream