CyberCertPrepSecurity FundamentalsCryptography FundamentalsEASYFree question
Which type of encryption uses the same key for both encryption and decryption?
- A.B. Symmetric encryption
- B.A. Asymmetric encryption
- C.C. Hashing
- D.D. Digital signatures
Why A is correct
Symmetric encryption uses a single shared key for both encryption and decryption. Examples include AES, DES, and 3DES. It is faster than asymmetric encryption but requires secure key distribution between parties.
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