Exponent-Inversion P-Signatures and Accountable Identity-Based Encryption from SXDH
Published in IACR Communications in Cryptology, vol. 1, no. 3, 2024
Recommended citation: Tsz Hon Yuen, Sherman S. M. Chow, Huangting Wu, Cong Zhang, and Siu-Ming Yiu. “Exponent-Inversion P-Signatures and Accountable Identity-Based Encryption from SXDH.” IACR Communications in Cryptology, vol. 1, no. 3, article 48, 2024. https://doi.org/10.62056/ahsdkmp-3y
This work gives dual-form exponent-inversion Boneh–Boyen signatures and Gentry IBE under the symmetric external Diffie–Hellman (SXDH) assumption. It further constructs P-signatures for anonymous credentials and an accountable-authority IBE scheme from the same static assumption.