what is encryption

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Encryption
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What is Encryption?

• Encryption The process of coding text
• Decryption The process of decoding text
• Decryption is the opposite of encryption
• A security method used to protect data
• Files on computers
• Data being passed through the Internet
• ATM machines
• E-Commerce
• Facebook password

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Why Do We Use Encryption?

• To secure important information e.g.
• Health records
• Credit card information
• Student records
• Etc.
• Prevents information from getting stolen or read
• Without encryption, there is no reliable security

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How Does It Work?

• Encryption allows the sender to transform data
  from plain text into ciphertext by using a key
• Ciphertext coded text
• Key what is used to encrypt and decrypt text
• Two different types of encryption
• Asymmetric encryption (Public key encryption)
• Symmetric encryption

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Pros and Cons
Pros Cons
Keeps it confidential Needs to be maintained
Very reliable Sometimes high costs
Encrypt as much as you want Compatibility?
Time consuming for the computer
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Real Life Examples

• Used in the military and the government
• Now used in everyday life
• Online banking
• E-commerce
• Student records, health records, tax records etc.
• ATM machines
• Social networking (emails, texts, instant
  messengers)
• Businesses

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If you want to know more about Encryption,
Evolution of Encryption, Types its working,
check this link.