Cryptography & Hashing

Which of the following algorithms are used in asymmetric encryption? (Select two.)

• RSA

• Twofish

• Blowfish

• Diffie-Hellman

Which of the following algorithms are used in symmetric encryption? (Select two.)

• RSA

• 3DES

• Diffie-Hellman

• Blowfish

Cryptographic systems provide which of the following security services? (Select two.)

• Decryption

• Encryption

• Confidentiality

• Non-repudiation

Which of the following functions are performed by a TPM? (Trusted Platform Module)

• Create a hash of system components

• Encrypt network data using IPsec

• Provide authentication credentials

• Perform bulk encryption

A birthday attack focuses on which of the following?

• Hashing algorithms

• E-commerce

• Encrypted files

• VPN links

Which of the following is the weakest hashing algorithm?

• MD5

• SHA-1

• AES

• DES

What is the main function of a TPM hardware chip?

• Provide authentication credentials on a hardware device

• Perform bulk encryption in a hardware processor

• Generate and store cryptographic keys

• Control access to removable media

Hashing algorithms are used to perform which of the following activities?

• Encrypt bulk data for communications exchange

• Provide a means for exchanging small amounts of data securely over a public network

• Provide for non-repudiation

• Create a message digest

A receiver wants to verify the integrity of a message received from a sender. A hashing value is contained within the digital signature of the sender. Which of the following must the receiver use to access the hashing value and verify the integrity of the transmission?

• Receiver's private key

• Sender's private key

• Receiver's public key

• Sender's public key

Which term means a cryptography mechanism that hides secret communications within various forms of data?

• Steganography

• Ciphertext

• Cryptanalysis

• Algorithm