Signature scheme based on discrete logarithm without using one-way hash function

Signature scheme based on discrete logarithm without using one-way hash function

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A new digital signature scheme which does not use a one-way hash function is proposed, the security of which is based on the difficulties of computing discrete logarithms, and the performance of which is similar to those of DSS and RSA. The new scheme can resist both homomorphism and substitution attacks.


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