BLT+L : efficient signatures from timestamping and endorsementsFirsov, Denis; Lakk, Henri; Laur, Sven; Truu, AhtoProceedings of the 18th International Conference on Security and Cryptography - SECRYPT. Vol. 12021 / p. 75-86 https://doi.org/10.5220/0010530000750086 A New approach to constructing digital dignature schemesBuldas, Ahto; Frisov, Denis; Laanoja, Risto; Lakk, Henri; Truu, AhtoAdvances in Information and Computer Security : 14th International Workshop on Security, IWSEC 2019, Tokyo, Japan, August 28–30, 2019 : proceedings2019 / p. 363-373 https://doi.org/10.1007/978-3-030-26834-3_21 Conference proceeding at Scopus Article at Scopus Conference proceeding at WOS Article at WOS Verified multiple-time signature scheme from one-time signatures and timestampingFirsov, Denis; Lakk, Henri; Truu, Ahto2021 IEEE 34th Computer Security Foundations Symposium (CSF) : June 21-25, 2021, Virtual Conference : proceedings2021 / 13 p https://doi.org/10.1109/CSF51468.2021.00051