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11309959
Cryptography
Description
Mind Map on Cryptography, created by Davide Cometa on 09/11/2017.
Mind Map by
Davide Cometa
, updated more than 1 year ago
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Created by
Davide Cometa
almost 7 years ago
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Resource summary
Cryptography
Asymmetric
Annotations:
A pair of keys are used -> They are also known as Public key cryptography because there are a public key and a private key, 2 for each party.
Attachments:
Certificates
Diffie-Hellman
ECDH
RSA
DSA
ECDSA
Symmetric
Annotations:
These algorithms use 1 symmetric key both for encryption and decryption. Are particularly suitable for large amount of data.
Block Algorithms
Annotations:
They split data in blocks of equal size, then process 1 block at time.
DES
3DES (EEE or EDE)
IDEA
RC2
RC5
AES
Operation modes
Annotations:
These are applied in case the data dimension is different from the basic block dimension
data > basic block
ECB
CBC
IGE
CTS
Annotations:
This not uses padding and does not send more that than necessary
Padding
data < basic block
CFB
OFB
CTR
Stream Algorithms
Annotations:
Able to work on stream of data, 1 bit or byte at time.
RC4
SEAL
Key stream
pseudo-random key
one-time pad
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