Heyst–Pedersen signature

1. Differentiate probabilistic signature with Chaum–Antwerpen Undeniable Signature Scheme.

2. Why batch processing of DSA is necessary?

3. Write down the merits and drawbacks of digital signature.

1. Write short note on Chaum–Antwerpen Undeniable Signature Scheme.

2. Explain the generation and verification of Chaum’s blind signature.

3. What is a Heyst–Pedersen signature?