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ECDSA (Elliptic Curve & Digital Signature Algorithm), RSA, DSA, PHAL, Hash, PRNG.
Providing the security on the basis of encryption standards is considered as key challenges for achieving the integrity & confidentiality. There are three main public-key cryptosystem contenders. Each has a variable key size that can be increased to achieve higher security at the cost of slower cryptographic operations. The best attack known on each public-key cryptosystem requires an amount of computation determined by a security parameter which is related to the key size. The secondary factor is confidentiality i.e. ensuring that adversaries gain no intelligence from a transmitted message. There are two major techniques for achieving confidentiality:
This work proposes a novel prototype ECDSA which provides the security where there is not complete trust between documents’ sender and receiver & something more than authentication is needed. The signature is formed by taking the hash of the message and encrypting the message with the creator’s private key. It guarantees the source and integrity of the message. Then a suitable digital signature algorithm will be picked out as a result of comparing and analyzing three main digital signature algorithms in this paper. Finally, a scheme of digital signature in electronic government will be proposed in order to settle some specific problems such as spilling out the secret, forging or denial and so on. Besides, a brief analysis regarding security will be given for this scheme.
Reenu Shukla, Rajat Bhandari, "A Novel Minimized Computational Time Based Encryption and Authentication Using ECDSA", International Journal of Modern Education and Computer Science (IJMECS), vol.5, no.9, pp.19-25, 2013. DOI:10.5815/ijmecs.2013.09.03
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