CRYPTOGRAPHY & PKI (EXAMPLES)

Question 1

is a symmetric encryption algorithm used to secure data by encrypting and decrypting information with the same secret key.
This is the industry standard for data encryption and is approved by the U.S. government.

Answer 1

Advanced Encryption Standard

Question 2

is a symmetric encryption algorithm used to secure data by encrypting and decrypting information with the same secret key.
This is the industry standard for data encryption and is approved by the U.S. government.

Answer 2

Advanced Encryption Standard

Question 3

is an asymmetric encryption algorithm that uses two keys: a public key and a private key.
Unlike AES, blank does not use the same key to encrypt and decrypt.

Answer 3

Rivest–Shamir–Adleman

Question 4

is a family of cryptographic hashing algorithms used to verify data integrity.
This does not encrypt data.
It creates a fixed-length hash value (also called a digest) from any input.

Answer 4

Secure Harsh Algorithm

Question 5

is a framework of hardware, software, policies, and procedures used to create, manage, distribute, store, and revoke digital certificates.
Blank is what makes secure communication and trust on the internet possible.
Blank is built around digital certificates and asymmetric cryptography.

Answer 5

Public Key Infrastructure

Question 6

is a trusted organization or server that issues and digitally signs certificates to verify identities.
A blank acts as a trusted third party in PKI.

Answer 6

Certificate Authority

Question 7

is a cryptographic protocol used to secure data in transit over a network, especially on the internet.
Blank provides three main security services:
Encryption — keeps data private
Integrity — prevents data from being altered
Authentication — verifies identity

Answer 7

Transport Layer Security

Question 8

is a cryptographic protocol that was originally used to secure data in transit between systems, especially web browsers and servers.

Answer 8

Secure Sockets Layer

Question 9

is a method that uses a cryptographic hash function plus a secret key to verify data integrity and authenticity.
Blank answers two questions:
Was the data changed? (Integrity)
Did it come from a trusted sender? (Authentication)

Answer 9

Hash-based Message Authentication Code

Question 10

is a security feature that ensures past encrypted communications remain secure even if long-term keys are compromised in the future.

Answer 10

Perfect Forward Secrecy

Question 11

is a dedicated hardware chip on a system’s motherboard that securely stores cryptographic keys and performs security-related functions.
The blank provides a hardware root of trust.

Answer 11

Trusted Platform Module