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CEH Certified Ethical Hacker 312-50:Encryption Types
CEH Certified Ethical Hacker 312-50 : Encryption Types
17
Computer Science
Professional
01/23/2014

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Term
DES
Definition
symmetric block, 56 bit key
Term
3DES
Definition
symmetric block, 168 bit key
Term
IDEA
Definition
symmetric block, 128 bit key
Term
Blowfish
Definition
symmetric block, 32-448 bit key
Term
RC5
Definition
symmetric, block, 32/64/128 bit key
Term
AES
Definition
Symmetric block; 128, 192 or 256 bit key
Term
RSA
Definition
Asymmetric, up to 4096 bit key
Term
MD5
Definition
128, hash
Term
SHA1
Definition
160, hash
Term
SHA2
Definition
224, 256, 384, 512, hash
Term
TLS
Definition
1024 / 2048, asymmetric
Term
RC4
Definition
Most widely used stream cipher in the world.
Term
DSA
Definition
Asymmetric block, 512-1024 bit key
Term
Twofish
Definition
Symmetric Block, 128, 192 or 256 key (block size unusual at 128. For other encryptions, blocks are almost always 64)
Term
SHA-256 Word size
Definition
word size of 32 bits is associated with which hash?
Term
SHA-512 Word size
Definition
word size of 64 bits is associated with which hash?
Term
RC6
Definition
symmetric block, 268 bit key
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