SSCP · Question #1206
DES, 3DES, Blowfish, and AES are all examples of what type of cryptography?
The correct answer is D. Secret Key. DES, 3DES, Blowfish, and AES are all examples of symmetric encryption algorithms, which fall under the category of secret key cryptography.
Question
DES, 3DES, Blowfish, and AES are all examples of what type of cryptography?
Options
- APublic Key
- BMessage Digest
- CHash Algorithm
- DSecret Key
How the community answered
(39 responses)- A8% (3)
- B3% (1)
- C3% (1)
- D87% (34)
Why each option
DES, 3DES, Blowfish, and AES are all examples of symmetric encryption algorithms, which fall under the category of secret key cryptography.
Public key cryptography, or asymmetric encryption, uses a pair of keys (public and private) and is not characterized by these specific algorithms.
Message digest refers to the output of a hash function, which is used for integrity checking, not for encrypting and decrypting data.
Hash algorithms produce a fixed-size output (hash value) from input data and are used for integrity, not for encrypting and decrypting data like these algorithms.
Secret key cryptography, also known as symmetric-key cryptography, uses a single, shared key for both encryption and decryption of data. DES, 3DES, Blowfish, and AES are all well-known algorithms that operate on this principle, where the sender and receiver must possess the same secret key to secure communication.
Concept tested: Symmetric key cryptography algorithms
Source: https://learn.microsoft.com/en-us/windows/win32/seccrypto/symmetric-key-encryption
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