In symmetric encryption, the same key is used to encrypt and decrypt the data.
Answer
true
Explanation
### Why this is right
Symmetric encryption is defined by its use of one shared secret key for both directions of the transformation. The participating parties must therefore arrange to have that key.
### The concept
Symmetric algorithms are generally efficient for protecting data. Their key-sharing problem is that every party who needs to decrypt must obtain the same secret without exposing it to unauthorized people. Asymmetric encryption instead uses a related public and private key pair.
### Terms
- **Symmetric encryption**: encryption and decryption using the same secret key.
### Remember
Same secret key means symmetric encryption.
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