Question: 1. Digital Signature (DSA signature): Generate the digital signature for the specific document. Modify the content of the document and verify the signature. 2.

1. Digital Signature (DSA signature): Generate the digital signature for the specific

1. Digital Signature (DSA signature): Generate the digital signature for the specific document. Modify the content of the document and verify the signature. 2. Design and implement a secure instant messaging service based on Elliptic Curve Cryptography (ECC) (secure communication using Standard Libraries)

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