I'm working on a pairing-friendly (Barreto-Naehrig) elliptic curve. If I understand correctly, one consequence of this is that the Decisional Diffie-Hellman assumption no longer holds, but the Computational Diffie-Hellman assumption still should.
I'd like to be able to construct linkable ring signatures, but all the linkable ring signature schemes I know of depend on DDH for their anonymity proofs, and none of the pairing-based ring signature schemes I know of are linkable.
Are there any linkable ring signature schemes that are usable on pairing-friendly curves?