CYG Chapter 2 Classical Cryptography
Questions about the lecture 'Cryptography' of the RWTH Aachen Chapter 2 Classical Cryptography
Questions about the lecture 'Cryptography' of the RWTH Aachen Chapter 2 Classical Cryptography
Set of flashcards Details
| Flashcards | 47 |
|---|---|
| Language | English |
| Category | Computer Science |
| Level | University |
| Created / Updated | 21.03.2017 / 12.11.2017 |
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What is the definition?
[ciphers.text.characteristics.classical]
Ciphertext messages C := Cupl=0inf Yl
What is the definition?
[plain.text.characteristics.classical]
Plaintext, message m \in M
What is the definition?
[cipher.text.characteristics.classical]
Ciphertext, cryptogram c \in C
What is the definition?
[keyspace.characteristics.classical]
Keyspace K is finite set of possible keys k \in K
What is the definition?
[encryption.characteristics.classical]
Encryption rule e : M x K → C : (m,k) → m
What is the definition?
[decryption.characteristics.classical]
Decryption rule d : C x K → M : (c,k) → c
What is the definition?
[cryptosystem.characteristics.classical]
(M,K,C,e,d) with d(e(m,k),k)=m for all (m,k) \in M x K
