{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Yin HL"],"funding":["Program for Innovative Talents and Entrepreneurs in Jiangsu","Fundamental Research Funds for the Central Universities","Key Research and Development Program of Nanjing Jiangbei New Aera","Natural Science Foundation of Jiangsu Province"],"pagination":["nwac228"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10165682"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["10(4)"],"pubmed_abstract":["Cryptography promises four information security objectives, namely, confidentiality, integrity, authenticity and non-repudiation, to support trillions of transactions annually in the digital economy. Efficient digital signatures, ensuring integrity, authenticity and non-repudiation of data with information-theoretical security are highly urgent and intractable open problems in cryptography. Here, we propose a high-efficiency quantum digital signature (QDS) protocol using asymmetric quantum keys acquired via secret sharing, one-time universal<sub>2</sub> hashing and a one-time pad. We just need to use a 384-bit key to sign documents of lengths up to 2<sup>64</sup> with a security bound of 10<sup>-19</sup>. If a one-megabit document is signed, the signature efficiency is improved by more tha"],"journal":["National science review"],"pubmed_title":["Experimental quantum secure network with digital signatures and encryption."],"pmcid":["PMC10165682"],"funding_grant_id":["JSSCRC2021484","BK20211145","ZDYD20210101","020414380182"],"pubmed_authors":["Chen ZB","Huang S","Li CL","Lu YS","Li BH","Fu Y","Gu J","Weng CX","Yin HL"],"additional_accession":[]},"is_claimable":false,"name":"Experimental quantum secure network with digital signatures and encryption.","description":"Cryptography promises four information security objectives, namely, confidentiality, integrity, authenticity and non-repudiation, to support trillions of transactions annually in the digital economy. Efficient digital signatures, ensuring integrity, authenticity and non-repudiation of data with information-theoretical security are highly urgent and intractable open problems in cryptography. Here, we propose a high-efficiency quantum digital signature (QDS) protocol using asymmetric quantum keys acquired via secret sharing, one-time universal<sub>2</sub> hashing and a one-time pad. We just need to use a 384-bit key to sign documents of lengths up to 2<sup>64</sup> with a security bound of 10<sup>-19</sup>. If a one-megabit document is signed, the signature efficiency is improved by more tha","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Apr","modification":"2026-06-03T19:56:17.136Z","creation":"2025-04-05T21:14:52.853Z"},"accession":"S-EPMC10165682","cross_references":{"pubmed":["37168101"],"doi":["10.1093/nsr/nwac228"]}}