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May 14, 2008 to May 16, 2008
ISBN: 978-0-7695-3131-1
pp: 241-246
ABSTRACT
With the modern world going on-line for all businesses, we need to transact with various business organisations all over the world using different modes of payment obtained through various Financial Institutions. We propose a scheme for Joint Account Holders with collective signing agreement to issue e-cheques. Our scheme is based on multi-signatures. When an e-cheque belonging to a Joint Account is submitted by a bank for clearance, the bank clearing the e-cheque can verify that it is signed by all the Joint Account Holders using a single verification equation. Also, the bank can maintain just a single public key for one joint account though multiple signers are involved. We have augmented the multi-signature scheme to provide forward-security. This guarantees the security of cheques signed in the past even if the signer's secret key is exposed today.
INDEX TERMS
Digital Signature, ElGamal Signatures, e-cheque, Parallel multi-signature, Forward-Security.
CITATION
N. R. Sunitha, B. B. Amberker, Prashant Koulgi, "Secure E-cheques for Joint Accounts with Collective Signing Using Forward-Secure Multi-signature Scheme", ICIS, 2008, Computer and Information Science, ACIS International Conference on, Computer and Information Science, ACIS International Conference on 2008, pp. 241-246, doi:10.1109/ICIS.2008.41
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