Summary
Summary Cryptography Notes
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Detailed Notes on Cryptography and it's features.
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Cryptography Addresseso Cryptographic algorithms
Sometimes called ciphers, tools to ensure the safety of your information
o Cryptography
A way of storing and then sharing data between a sender and a receiver
Turns plain text into cipher text
Different algorithms are used to disguise your text
The new form can only be decoded with the right key
The main reason for it to be made was for confidentiality
o Confidentiality
Cryptography is very important when storing sensitive information
Client information confidentiality is more important now than ever
o Integrity
Refers to the ways that information is guarded
Cryptography does two jobs to maintain this
They make it difficult for someone to gain access to your
information
If another party gained access, another algorithm know as hashing
will alert you
Important in
Transferring legal documents
Business transactions
Money transfers
o Non repudiation
Both rely on similar processes
Means that the sender or the receiver can deny the content of a data
transfer at a later date
Real life examples
If someone sends a message to authorise payment of a certain
amount or money but later denies this, their digital signature will
prove it came from them
o Access control
A security measure now being used in network and computer systems
Work by ensuring the people have access to certain things
Access control system can monitor identification, authentication, access
approvals and accountability
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