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Prime Field over Elliptic Curve Cryptography for Secured Message Transaction

Journal: International Journal of Computer Science and Mobile Computing - IJCSMC (Vol.5, No. 9)

Publication Date:

Authors : ; ;

Page : 81-88

Keywords : ECC; Public key cryptography; Prime Field; KDC; Session key;

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An improved model has been proposed in this research paper for both session-key distribution and electronic message transactions through Prime Field Elliptic Curve Cryptography (PFECC). Frequent key changes are very much desirable for secure electronic communications in symmetric key encryption. Because it is needed to limit the amount of data compromised if an intruder or attacker learns the communicating keys. In public key cryptography, there is an important factor, which is the key length. It is optimal to keep smaller key size but gain large security. For imposing the better security, each time of communication a temporary key, called session-key, is used for symmetric key cryptography. Session-key distribution is the process of delivery a key to two parties who wish to exchange data without allowing others to know the key. For two parties A and B, a key distribution technique using Key Distribution Center (KDC) has been chosen. Here a trusted third party (KDC) has introduced to secretly distribute the base point of the Elliptic Curve, among the communicating parties. For session-key distribution, KDC acts as the sender and the rest of the communicating parties under the domain of the KDC acts as the receiver. On the contrary, for electronic message transactions, the KDC only involves in the base point distribution. Rests of the communications are done between two individual parties, under the domain of that KDC. This model may be applied to encrypt all kind of electronic messages, such as e-mail, sms, session key and etc.

Last modified: 2016-09-20 17:44:04