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Explain what PKI is.  Note:  don’t just state that PKI is cryptography.  Explain how the public and private key pair works.  How does PKI can be used in an online contract to support Authenticity and Nonrepudiation.  Explain how the public and private key makes authenticity verifiable and enables nonrepudiation.

Answer the question with a short paragraph, between 150 and 250 words.  Brevity is a virtue.  That is why you are limited to 250 words.  If you can’t present your hypothesis in 250 words or less then it is too complicated.   Remember that when you state a fact if you don’t provide a reference, it is not a fact but rather an opinion.

You can type your response in Word and use the word count button to see how many words you have typed.  Do not include the references in your word count.  No headings or title page, etc.