A cryptanalysts goal is to All of the Answers Break the encryption algorithm Bre

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A cryptanalysts goal is to All of the Answers Break the encryption algorithm Break the message Recover the key Question #12 (1 point) The three security objectives are Confidentiality, integrity, and availability Confidentiality, privacy, and availability Integrity, tamperproof, and non-repudiation Availability, authentication, and confidentiality All Question #13 (1 point) Which answer is not true for Diffie-Hellman algorithm? It is used for distribution of a shared key, not for message encryption and decryption. It is vulnerable to man-in-the-middle attacks. Security stems from the difficulty of calculating the product of two large prime numbers. Question #14 (1 point) How many bits make up the effective Data Encryption Standard (DES) key? 56 32 64 16 Question #15 (1 point) The key distribution problem in secret key encryption is the need to Provide distributed control Develop available technology to distribute the keys Provide authentication method for each user Generate a key-pair for each user Question #16 (1 point) How may digits (approximately) is a 256 bit string. 50 75 100 125 A cryptanalysts goal is to All of the Answers Break the encryption algorithm Break the message Recover the key

Explanation / Answer

11. Option A
12. Option A
13. Option A
14. Option C
15. Option C
16. Option D

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