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Multi-party Supportive Symmetric Encryption

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Author(s): V. Nandakumar | E. R. Naganathan | S. S. Dhenakaran

Journal: International Journal of Computer Science and Information Security
ISSN 1947-5500

Volume: 9;
Issue: 2;
Start page: 229;
Date: 2011;
Original page

Keywords: Symmetric Encryption | Sub-key | Key Management | Key generation | Multi-party

ABSTRACT
Business data is a valuable asset for many Organizations. Organizations need security mechanisms that provide confidentiality for outsourcing their data services. Encrypting sensitive data is the normal approach in such a situation. Applications typically use Symmetric keys for encryption, or Asymmetric keys for their transmissions. In case of Asymmetric encryptions they use the public keys of the signers along with files sent. Since these identity strings are likely to be much shorter than generated public keys, the identity based key generation is an appealing option. A multi-signature scheme enables a group of signers to produce a compact, joint signature on a common document, and has many potential uses. Existing schemes with multi signers impose requirements that make them impractical, such as requiring a dedicated, distributed key generation protocol amongst potential users. These requirements limit the use of the schemes. Multi-Party or co-operative authentication on information is a trusted source of security. In this paper, we propose an encryption scheme where each authorized user’s information is used to encrypt and decrypt data. This paper, presents a multi-party yet supportive, secure and identity-based scheme based on symmetric encryption, Multi-party Supportive Symmetric Encryption (MSSE). This paper takes an effort to resolve the security issues and also report on the results of the implementation
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