Network Security

Network Security

1. What is authentication?

   • Authentication is when the computer allowed to access the computer
   • This is most commonly done using a Username and a Password

2. Plaintext

   • The original message to be encrypted

3. Ciphertext

   • The encrypted message

4. Encryption

   • The process of converting plain text to cipher text

5. Key

   • A sequence of numbers used to encrypt or decrypt, often data using a code.

6. Encryption Algorithm

   • Formula for the encrypting the plain text. Example Shift 2 Right

7. Private Key

   • A single key used to encrypt and decrypt a message and must be given to the recipient of your message

8. Public Key

   • Two keys are used- one to encrypt and one other to decrypt