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15 Cards in this Set
- Front
- Back
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What Cryptographic protocal and infrustructure was developed to send Credit Card numbers over the Internet?
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SET = Secure Electronic Transaction.
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What hashing algorithum provides the best defense against birthday attacks?
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Sha-1, because it uses a large message digest of 180 bits - this means there is less chance for collision.
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What is it called when a hash produces two identical message digests?
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Collision
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Name three Asymetric Algorithums that provide for key distribution, data encryption, and digital signature?
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1. RSA
2. El Gamal 3. Eliptic Curve |
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What is Steganography?
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Messages hidden in graphic files, wav files, slack space or document headers.
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What protocal does Clipper chip use? What is the key length? What is the purpose of skipjack?
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1. Skip Jack
2. 80 Bits 3. Spying of the public |
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What is the proper way to distroy a key?
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Zeroize
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Is Asymetric Cryptology faster or slower the Symetric Cryptology?
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Slower
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SSL provides security at what level of the OSI?
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Transport Layer
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Name some strengths of the Asymetric Cryptology? Name one weakness?
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1. Scalability
2. Easier Key Distribution 3. Meets all three legs of the CISSP triadd. 4. Slower then Symetric systems due to processing requirments |
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Name some strengths of the Symetric Cryptology? Name one weakness?
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1. Faster
2. More secure 3. Only meets one leg in the CISSP triadd |
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What is the only stream cypher that maybe seen on the test? What application is this cypher most suited for?
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1. RC4
2. SQL |
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Name three stream modes used in DES, and which is the fastest?
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1. CFB = Cypher feed back
2. OFB = Output feed back 3. CTB = Counter feed back 4. Counter feed back is the fastest |
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When using DES - shhould ECB "Electronic Code Book" be used for Graphics?
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NO
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How may bits does Sha-1 use and what is the most common use for Sha-1?
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1. Uses 160 bits
2. Hashing Passwords |
