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Key issuing protocols deal with overcoming the two inherent problems: key escrow and secure channel requirement of the identity based cryptosystems. An efficient key issuing protocol enables the identity based cryptosystems to be more acceptable and applicable in the real world. We present a secure and efficient threshold key issuing protocol. In our(More)
BACKGROUND The issue of a possible malignant transformation in the lesions like epithelial dysplasia and oral lichen planus (OLP) is a matter of serious controversy. The purpose of this study was to suggest the malignant transformation rate in OLP and oral epithelial dysplasia (OED) by using immunohistochemical expression of the tumor markers Ki-67, p53,(More)
In this paper, we present a strong universal designated multi verifier signature scheme based on bilinear pairings, which does not resort to random oracles. The security of the proposed scheme relies on the hardness of solving q-Strong Diffie-Hellman problem. The proposed scheme is more efficient than the existing universal designated multi verifier(More)
Non-Hodgkin's lymphoma (NHL) is primarily a disorder of lymph nodes, when limited primarily to extranodal sites it is referred to as primary extranodal lymphoma and accounts for 24-48% of all cases of NHL. The development of peripheral T-cell lymphoma is poorly understood and is thought to be associated with effector T cells involving chromosomal(More)
Aim: Our study aimed to examine prospectively whether serum uric acid levels (and hyperuricemia) in the first trimester is associated with subsequent development of GDM in a random sample of pregnant women attending Antenatal clinics in a busy General hospital in Hyderabad, India. Materials and Method: Two hundred and twenty five pregnant women (<20 weeks(More)
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