LEADER 03943nam 22007815 450 001 9910508444103321 005 20251225180440.0 010 $a3-030-90456-3 024 7 $a10.1007/978-3-030-90456-2 035 $a(CKB)4940000000615728 035 $a(MiAaPQ)EBC6799128 035 $a(Au-PeEL)EBL6799128 035 $a(OCoLC)1284916332 035 $a(PPN)258838574 035 $a(BIP)82135258 035 $a(BIP)81776670 035 $a(DE-He213)978-3-030-90456-2 035 $a(EXLCZ)994940000000615728 100 $a20211104d2021 u| 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aTheory of Cryptography $e19th International Conference, TCC 2021, Raleigh, NC, USA, November 8?11, 2021, Proceedings, Part III /$fedited by Kobbi Nissim, Brent Waters 205 $a1st ed. 2021. 210 1$aCham :$cSpringer International Publishing :$cImprint: Springer,$d2021. 215 $a1 online resource (525 pages) 225 1 $aSecurity and Cryptology,$x2946-1863 ;$v13044 311 08$a3-030-90455-5 320 $aIncludes bibliographical references and index. 327 $aCovert Learning: How to Learn with an Untrusted Intermediary -- Random-Index PIR and Applications -- Forward Secret Encrypted RAM: Lower Bounds and Applications -- Laconic Private Set Intersection and Applications -- Amortizing Rate-1 OT and Applications to PIR and PSI -- Ring-based Identity Based Encryption { Asymptotically Shorter MPK and Tighter Security -- Cryptographic Shallots: A Formal Treatment of Repliable Onion Encryption -- Grafting Key Trees: Efficient Key Management for Overlapping Groups -- Updatable Public Key Encryption in the Standard Model -- Towards Tight Adaptive Security of Non-Interactive Key Exchange -- On the Impossibility of Purely Algebraic Signatures -- Policy-Compliant Signatures -- Simple and Efficient Batch Verification Techniques for Verifiable Delay Functions -- Non-Malleable Vector Commitments via Local Equivocability -- Non-Malleable Time-Lock Puzzles and Applications -- Vector and Functional Commitments from Lattices.-. 330 $aThe three-volume set LNCS 13042, LNCS 13043 and LNCS 13044 constitutes the refereed proceedings of the 19th International Conference on Theory of Cryptography, TCC 2021, held in Raleigh, NC, USA, in November 2021. The total of 66 full papers presented in this three-volume set was carefully reviewed and selected from 161 submissions. They cover topics on proof systems, attribute-based and functional encryption, obfuscation, key management and secure communication. 410 0$aSecurity and Cryptology,$x2946-1863 ;$v13044 606 $aCryptography 606 $aData encryption (Computer science) 606 $aCoding theory 606 $aInformation theory 606 $aApplication software 606 $aComputer networks 606 $aData protection 606 $aCryptology 606 $aCoding and Information Theory 606 $aComputer and Information Systems Applications 606 $aComputer Communication Networks 606 $aData and Information Security 615 0$aCryptography. 615 0$aData encryption (Computer science). 615 0$aCoding theory. 615 0$aInformation theory. 615 0$aApplication software. 615 0$aComputer networks. 615 0$aData protection. 615 14$aCryptology. 615 24$aCoding and Information Theory. 615 24$aComputer and Information Systems Applications. 615 24$aComputer Communication Networks. 615 24$aData and Information Security. 676 $a005.824 702 $aWaters$b Brent 702 $aNissim$b Kobbi 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910508444103321 996 $aTheory of Cryptography$93000229 997 $aUNINA