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Digital Signatures and Cryptography

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1. : What does cryptography mainly deal with?





2. : A digital signature is used to ensure:





3. : In asymmetric cryptography, how many keys are used?





4. : Which of the following is a symmetric key algorithm?





5. : Which of the following is a hash function used in cryptography?





6. : What does a digital signature prevent?





7. : Which of the following ensures confidentiality of data?





8. : In digital signatures, which key is used to verify the signature?





9. : What is the main disadvantage of symmetric key cryptography?





10. : Which act in Pakistan legally recognizes digital signatures?





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