Fundamentals of InfoSecintermediate
Match each asymmetric cryptography term with its correct definition: Terms: 1. Public Key 2. Private Key 3. Diffie-Hellman (DH) Definitions: A. Protocol that allows two parties to securely establish a shared secret key over an untrusted channel B. Freely shared key used by senders to encrypt data intended for the key holder C. Secretly held key used by its owner to decrypt incoming ciphertext
Answer
1-B, 2-C, 3-A
Explanation
### The pairs
| Item | Matches | Why |
|---|---|---|
| Public key | Available to others for operations such as encrypting data for its owner | A sender can use the recipient's public key in the confidentiality workflow. |
| Private key | Kept by its owner and used for corresponding private-key operations | The owner protects this key and uses it to decrypt data encrypted for them. |
| Diffie-Hellman (DH) | A key-exchange method named in the course | The material identifies it in connection with establishing keys. |
### Terms
- **Diffie-Hellman (DH)**: a key-exchange method identified in the course material.
### Remember
The public and private keys have different access rules and roles.
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