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13 Cards in this Set
- Front
- Back
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What are modern encryption schemes based on?
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algorithms
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What does encryption give you?
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-- Makes data unreadable without key.
-- Protects files, e-mails, from interception or unauthorized disclosure |
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What are the two types of encryption?
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-- Stream (RC4, OTP)
-- Block (all others) |
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Properties of:
DES |
-- 56 bit key
-- Modifier Lucifer |
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Properties of:
3DES |
-- 168 bit key
-- Slower than IDEA or Cast -- PGP |
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Properties of:
AES |
-- 128, 192, 256 bit keys
-- Replaced DES as standard |
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Properties of:
CAST |
-- 40 > 128 bit key
-- Very fast and efficient -- PGP |
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Properties of:
RC4 |
-- Stream
-- WEP |
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Properties of:
RC5 |
-- Block
-- up to 2048 bit key |
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Properties of:
Blowfish |
-- up to 448 bit key
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Properties of:
Twofish |
-- 128 -> 256 bit key
-- PGP |
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Properties of:
IDEA |
-- 64 bit block
-- 128 bit key -- PGP |
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Properties of:
SkipJack |
-- 80 bit key
-- Clipper chip |
