  Secret Sharing techniques are now the building blocks of several security
protocols. A (t;n) threshold secret sharing scheme is one in which t or more
participant can join together to retrieve the secret.Traditional single secret
sharing schemes are modified and generalized to share multiple secrets.Use of
elliptic curve and pairing in secret sharing is gaining more importance.In this
paper we propose a threshold multi secret sharing scheme where more than one
secret is shared.When the threshold number of participants collate, the multi
secret can be retrieved. The scheme make use of elliptic curve and bilinear
pairing.Verification of shares by the participants, shares consistency
checking, detection and identification of cheaters are the extended
capabilities achieved.The shared secrets are retrieved in single stage here,
unlike the multi stage secret sharing scheme.The participants can be added very
easily.The scheme is efficient and the number of public parameters are also
less compared with the existing threshold multi secret sharing scheme based on
the elliptic curve.The dealer can easily modify the secret or add additional
secret by changing the public parameters of the scheme.This is the first
proposal of a threshold multi secret sharing scheme with extended capabilities
using self pairing.
