Ajatemplisüsteemid : avalik loeng 30. mail 2001 TTÜsBuldas, AhtoTallinna Tehnikaülikooli aastaraamat 20012003 / lk. 308-312 Bounded pre-image awareness and the security of hash-tree keyless signaturesBuldas, Ahto; Laanoja, Risto; Laud, Peeter; Truu, AhtoProvable security : 8th International Conference, ProvSec 2014, Hong Kong, China, October 9-10, 2014 : proceedings2014 / p. 130-145 : ill Does secure time-staming imply collision-free hash functionsBuldas, Ahto; Jürgenson, AivoInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK kolmanda aastakonverentsi artiklite kogumik : 25.-26. aprill 2008, Voore külalistemaja2008 / p. 59-63 : ill Does secure time-stamping imply collision-free hash functions?Buldas, Ahto; Jürgenson, AivoLecture notes in computer science2007 / p. 138-150 Hash-based server-assisted digital signature solutions = Räsifunktsioonidel põhinevad serveri toega digitaalse signeerimise lahendusedTruu, Ahto2020 https://digikogu.taltech.ee/et/Item/a972cc4b-53ec-4c82-8de0-b3e941cce345 Keyless signature infrastructure and PKI : hash-tree signatures in pre- and post-quantum worldBuldas, Ahto; Laanoja, Risto; Truu, AhtoInternational journal of services technology and management2017 / p. 117-130 : ill http://dx.doi.org/10.1504/IJSTM.2017.10002708 Knowledge-binding commitments with applications in time-stampingBuldas, Ahto; Laur, SvenLecture notes in computer science2007 / p. 150-165 https://eprint.iacr.org/2007/071 Long-term secure time-stamping using preimage-aware hash functions : (short version)Buldas, Ahto; Geihs, Matthias; Buchmann, JohannesProvable Security : 11th International Conference, ProvSec 2017, Xi'an, China, October 23–25, 2017 : proceedings2017 / p. 251-260 : ill http://doi.org/10.1007/978-3-319-68637-0_15 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 Security proofs for hash tree time-stamping using hash functions with small output sizeBuldas, Ahto; Laanoja, RistoInformation security and privacy : 18th Australasian Conference, ACISP 2013, Brisbane, Australia, July 1-3, 2013 : proceedings2013 / p. 235-250 : ill Time-stamping with binary linking schemesBuldas, Ahto; Laud, Peeter; Lipmaa, Helger; Willemson, JanAdvances in Cryptology : CRYPTO'98 : 18th Annual International Cryptology Conference, Santa Barbara, California, USA August 23–27, 1998 : proceedings1998 / p. 486-501 : ill