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Network security - Coggle Diagram

- - - - Mangling information into apparent unintelligibility
    - - Mathematical techniques related to information security
  - - - Called as symmetric key cryptography
      - Transmitting over an insecure channel
      - Secure storage on insecure media
      - Algorithms
        
        DES
        
        3DES
        
        IDEA
    - - called as asymmetric crypto
      - Transmitting over an insecure channel
      - Secure storage on insecure media
      - Algorithms
        
        RSA
        
        ElGamal
        
        Digital Signature
  - - - The system store hash of the password
      - computes password hash and comapre with the sored value
    - - Cryptographic hash functions to generate a MAC
    - - Using hash funtion to ensure a download program is not modified
- - - - Release of message contents for a telephone conversion, an electronic mail message.
    - - Masquerade takes place when one entity pretends to be a different entity