Using a Combination of Symmetric and Asymmetric Key Encryption,Sofia Chiamaka

question 42

Multiple Choice

Using a combination of symmetric and asymmetric key encryption,Sofia Chiamaka sent a report to her home office in Bangalore,India.She received an e-mail acknowledgement that her report had been received,but a few minutes later she received a second e-mail that contained a different hash total than the one associated with her report.This most likely explanation for this result is that

• A) the public key had been compromised.
• B) the private key had been compromised.
• C) the symmetric encryption key had been compromised.
• D) the asymmetric encryption key had been compromised.