Difference between symmetric and public-key cryptography

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Explain how RSA can help in creating digital signatures. How does a digital signature work in an e-mail system? Can a digital signature in an e-mail avoid packet sniffing?

What is the basic difference between symmetric and public-key cryptography?

Research the Walden University Library and explain why public-key cryptography is used more than symmetric-key cryptography.

Research the Walden University Library and explain whether symmetric-key cryptography is still used in modern security applications (for example, for sending packets in a network). Additionally, cite three practical applications of public-key cryptography (for example, securing financial transaction) and explain why public-key cryptography is the best cryptographic technique in each case. Please provide references.

    Reference no: EM131083285

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