5 Questions
Define symmetric-key cryptography.
Symmetric-key cryptography is a cryptographic method where the same key is used by the sender for encryption and the receiver for decryption.
What are the keys used in symmetric-key cryptography?
The same key is used by the sender and receiver in symmetric-key cryptography.
When did symmetric-key cryptography start?
Symmetric-key cryptography started thousands of years ago when people needed to exchange secrets, like during a war.
What is a substitution cipher?
A substitution cipher is a type of cipher that replaces one symbol with another symbol.
Is the cipher in Example 1 monoalphabetic?
Yes, the cipher in Example 1 is monoalphabetic.
Test your knowledge on cryptography components and categories with this quiz. From symmetric-key cryptography to the use of keys in cryptography, this quiz will challenge your understanding of the fundamentals of cryptography.
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