Fundamentals of InfoSecintermediate
Select ALL steps that belong in the course's Linux public-key encryption activity.
Answer
Generate a private key and check that it was created., Extract the corresponding public key., Encrypt a test file using the public key.
Explanation
### Why this is right
- **A** is true: the activity begins by generating an RSA key and checking the private-key file.
- **B** is true: the activity extracts and inspects the public key.
- **C** is true: the file is encrypted with the public key.
### The concept
For confidentiality, public-key encryption uses the recipient's public key and the matching private key for decryption. The activity's final decryption step therefore uses the private key, not the public key.
### The other options
- **D. Decrypt the resulting file using the public key**: the public key encrypts in this workflow; the corresponding private key decrypts.
### Remember
A file encrypted with a public key is recovered with its matching private key.
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