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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.

References

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      • The digital signature standard proposed by NIST. Commun. ACM , 7 , 36 - 40
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      • R.L. Rivest , A. Shamir , L. Adelman . A method for obtaindigital signatures and public-key cryptosystem. Commun. ACM , 2 , 120 - 126
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      • K. Nyberg . New digital signature scheme based on discretelogarithm (comment). Electron. Lett. , 6
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      • J. He , T. Kiesler . Enhancing the security of originalElGamal's signature scheme. IEE Proc. Comput. Digit. Tech. , 4 , 249 - 252
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      • T. ElGamal . A public key cryptosystem and a signature schemebased on discrete logarithms. IEEE Trans. IT. , 469 - 472
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