Podcast
Questions and Answers
What is the purpose of using a salt in PBKDF2?
What is the purpose of using a salt in PBKDF2?
- To ensure the key is unique for each user (correct)
- To increase the number of iterations required to perform a dictionary attack
- To protect the password from being revealed
- To make the algorithm more efficient
What is the recommended minimum number of iterations for PBKDF2?
What is the recommended minimum number of iterations for PBKDF2?
- 10000
- 100
- 1000 (correct)
- 500
How are private keys stored using PKCS #8?
How are private keys stored using PKCS #8?
- The private key is encrypted using a symmetric algorithm with a user-provided password
- The private key is stored in plaintext
- The private key is stored in a hardware security module
- The private key is encrypted using PBES2 with PBKDF2 for key derivation (correct)
Which S2K algorithm is recommended for PGP?
Which S2K algorithm is recommended for PGP?
What is the main claim made by the security company about password-based cryptography?
What is the main claim made by the security company about password-based cryptography?
What is the primary purpose of using PBKDF2 in password-based cryptography?
What is the primary purpose of using PBKDF2 in password-based cryptography?
Which type of devices are commonly used to store MKs in high-security environments?
Which type of devices are commonly used to store MKs in high-security environments?
What is the self-destruct mechanism of Hardware Security Modules (HSMs) triggered by?
What is the self-destruct mechanism of Hardware Security Modules (HSMs) triggered by?
Which technique involves using a key-generating key (KGK) with unique data to derive secret keys stored in secure embedded devices?
Which technique involves using a key-generating key (KGK) with unique data to derive secret keys stored in secure embedded devices?
Which standard defines key-wrap algorithms for use with an AES KEK to encrypt and store a secret key?
Which standard defines key-wrap algorithms for use with an AES KEK to encrypt and store a secret key?
In the context of secure transactions, what is the purpose of passing KEKs and DKs as parameters to each transaction when needed?
In the context of secure transactions, what is the purpose of passing KEKs and DKs as parameters to each transaction when needed?
What is the main purpose of issuing and storing keys in secure embedded devices like smart cards or tokens?
What is the main purpose of issuing and storing keys in secure embedded devices like smart cards or tokens?
In a key hierarchy, what is the primary purpose of Master Keys (MKs)?
In a key hierarchy, what is the primary purpose of Master Keys (MKs)?
Which of the following statements about Key-Encrypting Keys (KEKs) is correct?
Which of the following statements about Key-Encrypting Keys (KEKs) is correct?
What is the primary purpose of Data Keys (DKs) in a key hierarchy?
What is the primary purpose of Data Keys (DKs) in a key hierarchy?
Which of the following statements best describes the rationale behind using a key hierarchy?
Which of the following statements best describes the rationale behind using a key hierarchy?
In a key hierarchy, which of the following keys are distributed manually for security reasons?
In a key hierarchy, which of the following keys are distributed manually for security reasons?
Which of the following statements about key hierarchy is incorrect?
Which of the following statements about key hierarchy is incorrect?
Flashcards are hidden until you start studying
