Question

Explain general categories of schemes for the distribution of public keys.

Answer 1

Answer:

In networking there are two methods of passing information from one system to another system, that is called encryption. Further encryption is subdivided into two parts known as symmetric and asymmetric.

Explanation:

When the symmetric keys are used, at that point of time there is a use of a single key which is used for both encryption and decryption, whereas when the asymmetric keys are used at that point of time tow keys are used. On is the private key which is provided only to the sender, and the other is the public key which is used to encrypt is given everyone present on the network.

Answer 2

Explanation:

Several techniques have been proposed for the distribution of public keys. Virtually all these proposals can be grouped into the following general schemes: • Public announcement • Publicly available directory • Public-key authority • Public-key certificates. DISTRIBUTION OF PUBLIC KEYS.