@misc{cryptoeprint:2021:365, author = {Valerio Cini and Sebastian Ramacher and Daniel Slamanig and Christoph Striecks and Erkan Tairi}, title = {Updatable Signatures and Message Authentication Codes}, howpublished = {Cryptology ePrint Archive, Report 2021/365}, year = {2021}, url = {https://eprint.iacr.org/2021/365}, }