Explain the difference between a public key and a private key when securing the transmission of data. - Scottish Highers Computing Science - Question 2 - 2018
Question 2
Explain the difference between a public key and a private key when securing the transmission of data.
Worked Solution & Example Answer:Explain the difference between a public key and a private key when securing the transmission of data. - Scottish Highers Computing Science - Question 2 - 2018
Step 1
A public key is used to encrypt the personal data.
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Answer
A public key serves the purpose of encrypting data, making it accessible for anyone to encrypt their information. This ensures that the sensitive data is protected during transmission.
Step 2
A private key is used to decrypt the personal data.
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Answer
Conversely, a private key is used to decrypt the data that was encrypted by the corresponding public key. This key is kept secret and is known only to the intended recipient, ensuring that only they can access the encrypted information.
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