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Question 1

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Software for maintaining an on-the-fly-encrypted volume. Data is automatically encrypted right before it is saved, then decrypted right after it is loaded, all w/o user intervention.

Question 2

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Which of the following statements is most true regarding binary operations and encryption?

Question 3

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A type of frequency analysis used to attack polyalphabetic substitution ciphers. It's used to try to discover patterns and use that information to decrypt the cipher.

Question 4

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What is an IV?

Question 5

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Part of understanding cryptography is understanding the cryptographic primitives that go into any crypto system. A(n) _______ is a fixed-size input to a cryptographic primitive that is random or pse

Question 6

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The most common way steganography is accomplished is via which one of the following?

Question 7

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A _______ product refers to an NSA-endorsed classified or controlled cryptographic item for classified or sensitive U. S. government information, including cryptographic equipment, assembly, or comp

Question 8

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The reverse process from encoding - converting the encoded message back into its plaintext format.

Question 9

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Which of the following asymmetric algorithms is described by U.S. Patent 5,231,668 and FIPS 186

Question 10

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If Bob is using asymmetric cryptography and wants to send a message to Alice so that only she can decrypt it, what key should he use to encrypt the message?

Question 97 - 212-81 discussion

The art and science of writing hidden messages so that no one suspects the existence of the message, a type of security through obscurity. Message can be hidden in picture or audio file for example. Uses least significant bits in a file to store data.