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Then, answer the following question (also included in the document): Which of the following methods of...

Then, answer the following question (also included in the document):

Which of the following methods of cryptography, Public Key Encryption or Private Key Encryption, would you consider to be more popular or more widely used, and why (see chapter 5 in your text and the following link (https://www.quora.com/What-are-the-differences-between-private-key-and-public-key-encryption) and link2 (http://www.enterprisenetworkingplanet.com/netsecur/article.php/623901/Understand-the-differences-between-public-key-and-symmetric-key-encryption.htm) for help) ?

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Answer #1

I would consider Public Key Encryption instead of Private key Encryprion.

Public key encryption is a type of encryption where we use 2 different keys for encrypting and decrypting the data.The encryption key is called as Public Key because it is made public and the key used for decryption is known as Private key as it is being kept as secret.It is not possible to find out the Private key using the Public Key. Some of the advantages of Public Key Encryption are :

  • No need to exchange keys between the sender and the receiver, thus removes the key distribution problem.
  • This provides more security as Private key is kept secret and not transmitted or known to anyone.
  • It does not require a secure channel for transmitting the key.
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