Exam 3: Cryptography

Digital signatures are used for ________ authentication.

________ ciphers move letters around within a message but characters are not substituted.

Electronic signatures usually provide ________.

Which of the following is transmitted across a network?

A remote access VPN typically gives users access to multiple resources within a site.

When two parties communicate with each other using symmetric key encryption, how many keys are used in total to encrypt and decrypt?

HMACs provide the cryptographic protection of ________.

Nearly all encryption for confidentiality uses ________ encryption ciphers.

Hashing is ________.

________ offers transparent protection.

Someone who breaks encryption is called a ________.

To check a certificate's revocation status, the verifier can ________.

In SSL/TLS, a specific set of protocols that a particular cryptographic system will use to provide protection is called a ________.

Companies can enforce policies for ________.

What protection do cryptographic systems provide on a message-by-message basis?

In public key encryption for authentication, the supplicant must prove that it knows ________, which nobody else should be able to know.

The best way to thwart exhaustive searches by cryptanalysts is ________.

A ________ is a cryptographic system that provides secure communication over an untrusted network.

Which of the following is a type of VPN?

Most CAs are not regulated.