Security

Verifiable Signature Sharing Scheme Based on Strong RSA Assumption

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Executive Summary

A signature scheme provides a way for each user to sign messages so that the signatures can later be verified by anyone else. More specifically, each user can create a matched pair of private and public keys so that only he can create a signature for a message using his private key, but anyone can verify the signature for the message using the signer's public key. The verifier can convince himself that the message contents have not been altered since the message was signed. Also, the signer can not later repudiate having signed the message, since no one but the signer possesses his private key.

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