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Elliptic Curve Cryptography (ECC) is coming forth as an attractive public key cryptosystem for mobile/wireless environments compared to conventional cryptosystems like RSA and DSA. ECC provides better security with smaller key sizes, which results in faster computations, lower power consumption, as well as memory and bandwidth savings. However, the true impact of any public-key cryptosystem can only be evaluated in the perspective of a security protocol. The digital signature is the requisite way to ensure the security of web services and has great implication in practical applications. By using a digital signature algorithm the authors can provide authenticity and validation to the electronic document. ECDSA and ECDH use the concept of ECC.
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