2003 46th Midwest Symposium on Circuits and Systems, 2003
Robust threshold digital signature schemes are group signature schemes aiming to depart from the ... more Robust threshold digital signature schemes are group signature schemes aiming to depart from the classical one person signer schemes. The term 'robust' means that such schemes can tolerate errors attempted by malicious adversary and the term 'threshold' means that given a total of n players, no coalition of players with cardinality less than or equal the threshold value can perform the signature while any coalition of players exceeding the threshold value can perform the signature correctly. The contributions in this paper are two fold. First, we propose a new verifiable secret sharing scheme (VSS) other than Feldman's (1987) and Pedersen's (1992) schemes suitable to protect elliptic curve secret keys. The proposed scheme utilizes a strong one way function provided by the elliptic curve cryptography based on a different type of group mathematics. Next, we employ the elliptic curve VSS to propose a robust threshold elliptic curve digital signature scheme...
Page 1. Efficient Zero-Knowledge Identification Scheme with Secret Key Exchange Ali M Allam&#... more Page 1. Efficient Zero-Knowledge Identification Scheme with Secret Key Exchange Ali M Allam', Ibrahim I. Ibrahim2, Ihab A. Ali3, Abd ELrahman H. Elsawy4 Abstract-In an open network-computing environment, a workstation ...
Page 1. Design of Soft Handover Protocol for Mobile ATM Networks Ahmed S. Ali Faculty of Engineer... more Page 1. Design of Soft Handover Protocol for Mobile ATM Networks Ahmed S. Ali Faculty of Engineering, Helwan University Cairo, Egypt Ah_salah@softhome.net Ihab A. ALi Faculty of Engineering, Helwan University Cairo, Egypt ihabaly@ieee.org ...
2003 46th Midwest Symposium on Circuits and Systems, 2003
Robust threshold digital signature schemes are group signature schemes aiming to depart from the ... more Robust threshold digital signature schemes are group signature schemes aiming to depart from the classical one person signer schemes. The term 'robust' means that such schemes can tolerate errors attempted by malicious adversary and the term 'threshold' means that given a total of n players, no coalition of players with cardinality less than or equal the threshold value can perform the signature while any coalition of players exceeding the threshold value can perform the signature correctly. The contributions in this paper are two fold. First, we propose a new verifiable secret sharing scheme (VSS) other than Feldman's (1987) and Pedersen's (1992) schemes suitable to protect elliptic curve secret keys. The proposed scheme utilizes a strong one way function provided by the elliptic curve cryptography based on a different type of group mathematics. Next, we employ the elliptic curve VSS to propose a robust threshold elliptic curve digital signature scheme...
Page 1. Efficient Zero-Knowledge Identification Scheme with Secret Key Exchange Ali M Allam&#... more Page 1. Efficient Zero-Knowledge Identification Scheme with Secret Key Exchange Ali M Allam', Ibrahim I. Ibrahim2, Ihab A. Ali3, Abd ELrahman H. Elsawy4 Abstract-In an open network-computing environment, a workstation ...
Page 1. Design of Soft Handover Protocol for Mobile ATM Networks Ahmed S. Ali Faculty of Engineer... more Page 1. Design of Soft Handover Protocol for Mobile ATM Networks Ahmed S. Ali Faculty of Engineering, Helwan University Cairo, Egypt Ah_salah@softhome.net Ihab A. ALi Faculty of Engineering, Helwan University Cairo, Egypt ihabaly@ieee.org ...
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