Kristian Gjøsteen
Om
Kristian Gjøsteen er professor ved Institutt for matematiske fag. Han er utdannet sivilingeniør og har en doktorgrad fra NTNU. Han tilhører Algebragruppen.
Gjøsteen forsker på kryptografiske valgsystemer, nøkkelutveksling, kryptografi for nettskyen, formelle metoder anvendt på sikkerhetsbevis og personvern. Publikasjoner.
Gjøsteen var med i Regjeringens Digitale Sårbarhetsutvalg (Lysne-utvalget). Han har tidligere jobbet med stemmegivning via internett for Regjeringen (2009-13), og elektroniske identiteter i Norge.
Kompetanseord
Publikasjoner
2023
-
Solberg, Morten Rotvold;
Gjøsteen, Kristian.
(2023)
Automated theorem provers and their role in cryptography.
Nettsider (opplysningsmateriale)
2022
-
Gjøsteen, Kristian.
(2022)
Practical Mathematical Cryptography.
CRC Press
CRC Press
Lærebok
-
Gjøsteen, Kristian;
Raikwar, Mayank;
Wu, Shuang.
(2022)
PriBank: Confidential Blockchain Scaling Using Short Commit-and-Proof NIZK Argument.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Gjøsteen, Kristian;
Haines, Thomas Edmund;
Müller, Johannes;
Rønne, Peter B.;
Silde, Tjerand.
(2022)
Verifiable Decryption in the Head.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Drăgan, Constantin Cătălin;
Dupressoir, François;
Estaji, Ehsan;
Gjøsteen, Kristian;
Haines, Thomas;
Ryan, Peter Y. A..
(2022)
Machine-Checked Proofs of Privacy Against Malicious Boards for Selene & Co.
IEEE Press
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2021
-
de Kock, Bor;
Gjøsteen, Kristian;
Veroni, Mattia.
(2021)
Practical Isogeny-Based Key-Exchange with Optimal Tightness.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Haines, Thomas Edmund;
Solberg, Morten Rotvold.
(2021)
Efficient Mixing of Arbitrary Ballots with Everlasting Privacy: How to Verifiably Mix the PPATC Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Aranha, Diego F.;
Baum, Carsten;
Gjøsteen, Kristian;
Silde, Tjerand;
Tunge, Thor.
(2021)
Lattice-Based Proof of Shuffle and Applications to Electronic Voting.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2020
-
Estaji, Ehsan;
Haines, Thomas Edmund;
Gjøsteen, Kristian;
Rønne, Peter;
Ryan, Peter Y. A.;
Soroush, Najmeh.
(2020)
Revisiting Practical and Usable Coercion-Resistant Remote E-Voting.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Davies, Gareth Thomas;
Galteland, Herman;
Gjøsteen, Kristian;
Jiang, Yao.
(2020)
Cloud-assisted Asynchronous Key Transport with Post-Quantum Security.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Rønne, Peter B.;
Atashpendar, Arash;
Gjøsteen, Kristian;
Ryan, Peter Y. A..
(2020)
Short Paper: Coercion-Resistant Voting in Linear Time via Fully Homomorphic Encryption: Towards a Quantum-Safe Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Jiang, Yao.
(2020)
Fast and Secure Updatable Encryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2019
-
Cohn-Gordon, Katriel;
Cremers, Cas;
Gjøsteen, Kristian;
Jacobsen, Håkon;
Jager, Tibor.
(2019)
Highly Efficient Key Exchange Protocols with Optimal Tightness.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Gjøsteen, Kristian;
Gritti, Clementine Jeanne Pierrette;
Haines, Thomas Edmund.
(2019)
A Blind Coupon Mechanism Enabling Veto Voting over Unreliable Networks.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2018
-
Gjøsteen, Kristian;
Jager, Tibor.
(2018)
Practical and tightly-secure digital signatures and authenticated key exchange.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2018)
Definitions for plaintext-existence hiding in cloud storage.
Association for Computing Machinery (ACM)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2018)
Security notions for cloud storage and deduplication.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Jiang, Yao.
(2018)
Offline Assisted Group Key Exchange.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Strand, Martin;
Gjøsteen, Kristian;
Buan, Aslak Bakke.
(2018)
Fully homomorphic encryption with applications to electronic voting.
Doktoravhandlinger ved NTNU (33)
Doktorgradsavhandling
2017
-
Gjøsteen, Kristian;
Strand, Martin.
(2017)
A Roadmap to Fully Homomorphic Elections: Stronger Security, Better Verifiability.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Armknecht, Frederik;
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Toorani, Mohsen.
(2017)
Side channels in deduplication: trade-offs between leakage and efficiency.
Association for Computing Machinery (ACM)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Galteland, Herman;
Gjøsteen, Kristian.
(2017)
Malware, Encryption, and Rerandomization - Everything is Under Attack.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2016
-
Boyd, Colin Alexander;
Davies, Gareth T.;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2016)
Using Cryptography to Control Your Data at a Distance
.
ERCIM News
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Lund, Anders Smedstuen.
(2016)
An experiment on the security of the Norwegian electronic voting protocol.
Annales des télécommunications
Vitenskapelig artikkel
2014
-
Aspnes, James;
Diamadi, Zoë;
Yampolskiy, Aleksandr;
Gjøsteen, Kristian;
Peralta, René.
(2014)
Spreading Alerts Quietly and the Subgroup Escape Problem.
Journal of Cryptology
Vitenskapelig artikkel
2012
-
Gjøsteen, Kristian;
Thuen, Øystein Øvreås.
(2012)
Password-Based Signatures.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2011
-
Thuen, Øystein Øvreås;
Gjøsteen, Kristian.
(2011)
Bilinear Pairings in Cryptography.
Doktoravhandlinger ved NTNU (143)
Doktorgradsavhandling
-
Hole, Kjell Jørgen;
Gjøsteen, Kristian;
Tjøstheim, Thomas;
Nestås, Lars Hopland.
(2011)
Farene ved e-valg.
Dagbladet
Kronikk
-
Gjøsteen, Kristian;
Petrides, George;
Steine, Asgeir Bertelsen.
(2011)
A Novel Framework for Protocol Analysis.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2010
-
Gjøsteen, Kristian;
Steine, Asgeir;
Petrides, George.
(2010)
Formal verification of reductions in cryptography.
Tapir Akademisk Forlag
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2008
-
Gjøsteen, Kristian.
(2008)
Weaknesses in BankID, a Norwegian PKI substitute deployed by Norwegian banks.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Kråkmo, Lillian.
(2008)
Round-Optimal Blind Signatures from Waters Signatures.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2008)
A Latency-Free Election Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Andova, Suzana;
Cremers, Cas;
Gjøsteen, Kristian;
Mauw, Sjouke;
Mjølsnes, Stig Frode;
Radomirovic, Sasa.
(2008)
A framework for compositional verification of security protocols.
Information and Computation
Vitenskapelig artikkel
2007
-
Gjøsteen, Kristian;
Kråkmo, Lillian.
(2007)
Universally Composable Signcryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Brown, Daniel R. L.;
Gjøsteen, Kristian.
(2007)
A Security Analysis of the NIST SP 800-90 Elliptic Curve Random Number Generator.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Hole, Kjell Jørgen.
(2007)
Nettbanken ikke trygg.
Aftenposten (morgenutg. : trykt utg.)
Kronikk
2006
-
Gjøsteen, Kristian.
(2006)
A new security proof for Damgard's ElGamal.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
2005
-
Gjøsteen, Kristian.
(2005)
Security Notions for Disk Encryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2005)
Homomorphic Cryptosystems Based on Subgroup Membership Problems.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2005)
Symmetric Subgroup Membership Problems.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Aspnes, James;
Diamadi, Zoë;
Gjøsteen, Kristian;
Peralta, René;
Yampolskiy, Aleksandr.
(2005)
Spreading Alerts Quietly and the Subgroup Escape Problem.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Gjøsteen, Kristian;
Haines, Thomas Edmund;
Müller, Johannes;
Rønne, Peter B.;
Silde, Tjerand.
(2022)
Verifiable Decryption in the Head.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
de Kock, Bor;
Gjøsteen, Kristian;
Veroni, Mattia.
(2021)
Practical Isogeny-Based Key-Exchange with Optimal Tightness.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Haines, Thomas Edmund;
Solberg, Morten Rotvold.
(2021)
Efficient Mixing of Arbitrary Ballots with Everlasting Privacy: How to Verifiably Mix the PPATC Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Aranha, Diego F.;
Baum, Carsten;
Gjøsteen, Kristian;
Silde, Tjerand;
Tunge, Thor.
(2021)
Lattice-Based Proof of Shuffle and Applications to Electronic Voting.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Estaji, Ehsan;
Haines, Thomas Edmund;
Gjøsteen, Kristian;
Rønne, Peter;
Ryan, Peter Y. A.;
Soroush, Najmeh.
(2020)
Revisiting Practical and Usable Coercion-Resistant Remote E-Voting.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Davies, Gareth Thomas;
Galteland, Herman;
Gjøsteen, Kristian;
Jiang, Yao.
(2020)
Cloud-assisted Asynchronous Key Transport with Post-Quantum Security.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Rønne, Peter B.;
Atashpendar, Arash;
Gjøsteen, Kristian;
Ryan, Peter Y. A..
(2020)
Short Paper: Coercion-Resistant Voting in Linear Time via Fully Homomorphic Encryption: Towards a Quantum-Safe Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Jiang, Yao.
(2020)
Fast and Secure Updatable Encryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Cohn-Gordon, Katriel;
Cremers, Cas;
Gjøsteen, Kristian;
Jacobsen, Håkon;
Jager, Tibor.
(2019)
Highly Efficient Key Exchange Protocols with Optimal Tightness.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Gjøsteen, Kristian;
Gritti, Clementine Jeanne Pierrette;
Haines, Thomas Edmund.
(2019)
A Blind Coupon Mechanism Enabling Veto Voting over Unreliable Networks.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Jager, Tibor.
(2018)
Practical and tightly-secure digital signatures and authenticated key exchange.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2018)
Security notions for cloud storage and deduplication.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Jiang, Yao.
(2018)
Offline Assisted Group Key Exchange.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Galteland, Herman;
Gjøsteen, Kristian.
(2017)
Malware, Encryption, and Rerandomization - Everything is Under Attack.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Boyd, Colin Alexander;
Davies, Gareth T.;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2016)
Using Cryptography to Control Your Data at a Distance
.
ERCIM News
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Lund, Anders Smedstuen.
(2016)
An experiment on the security of the Norwegian electronic voting protocol.
Annales des télécommunications
Vitenskapelig artikkel
-
Aspnes, James;
Diamadi, Zoë;
Yampolskiy, Aleksandr;
Gjøsteen, Kristian;
Peralta, René.
(2014)
Spreading Alerts Quietly and the Subgroup Escape Problem.
Journal of Cryptology
Vitenskapelig artikkel
-
Hole, Kjell Jørgen;
Gjøsteen, Kristian;
Tjøstheim, Thomas;
Nestås, Lars Hopland.
(2011)
Farene ved e-valg.
Dagbladet
Kronikk
-
Gjøsteen, Kristian;
Petrides, George;
Steine, Asgeir Bertelsen.
(2011)
A Novel Framework for Protocol Analysis.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2008)
Weaknesses in BankID, a Norwegian PKI substitute deployed by Norwegian banks.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Kråkmo, Lillian.
(2008)
Round-Optimal Blind Signatures from Waters Signatures.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2008)
A Latency-Free Election Scheme.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Andova, Suzana;
Cremers, Cas;
Gjøsteen, Kristian;
Mauw, Sjouke;
Mjølsnes, Stig Frode;
Radomirovic, Sasa.
(2008)
A framework for compositional verification of security protocols.
Information and Computation
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Kråkmo, Lillian.
(2007)
Universally Composable Signcryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Brown, Daniel R. L.;
Gjøsteen, Kristian.
(2007)
A Security Analysis of the NIST SP 800-90 Elliptic Curve Random Number Generator.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian;
Hole, Kjell Jørgen.
(2007)
Nettbanken ikke trygg.
Aftenposten (morgenutg. : trykt utg.)
Kronikk
-
Gjøsteen, Kristian.
(2006)
A new security proof for Damgard's ElGamal.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2005)
Security Notions for Disk Encryption.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2005)
Homomorphic Cryptosystems Based on Subgroup Membership Problems.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Gjøsteen, Kristian.
(2005)
Symmetric Subgroup Membership Problems.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
-
Aspnes, James;
Diamadi, Zoë;
Gjøsteen, Kristian;
Peralta, René;
Yampolskiy, Aleksandr.
(2005)
Spreading Alerts Quietly and the Subgroup Escape Problem.
Lecture Notes in Computer Science (LNCS)
Vitenskapelig artikkel
Bøker
-
Gjøsteen, Kristian.
(2022)
Practical Mathematical Cryptography.
CRC Press
CRC Press
Lærebok
Del av bok/rapport
-
Gjøsteen, Kristian;
Raikwar, Mayank;
Wu, Shuang.
(2022)
PriBank: Confidential Blockchain Scaling Using Short Commit-and-Proof NIZK Argument.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Drăgan, Constantin Cătălin;
Dupressoir, François;
Estaji, Ehsan;
Gjøsteen, Kristian;
Haines, Thomas;
Ryan, Peter Y. A..
(2022)
Machine-Checked Proofs of Privacy Against Malicious Boards for Selene & Co.
IEEE Press
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Raddum, Håvard;
Toorani, Mohsen.
(2018)
Definitions for plaintext-existence hiding in cloud storage.
Association for Computing Machinery (ACM)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Gjøsteen, Kristian;
Strand, Martin.
(2017)
A Roadmap to Fully Homomorphic Elections: Stronger Security, Better Verifiability.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Armknecht, Frederik;
Boyd, Colin Alexander;
Davies, Gareth Thomas;
Gjøsteen, Kristian;
Toorani, Mohsen.
(2017)
Side channels in deduplication: trade-offs between leakage and efficiency.
Association for Computing Machinery (ACM)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Gjøsteen, Kristian;
Thuen, Øystein Øvreås.
(2012)
Password-Based Signatures.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Gjøsteen, Kristian;
Steine, Asgeir;
Petrides, George.
(2010)
Formal verification of reductions in cryptography.
Tapir Akademisk Forlag
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
-
Strand, Martin;
Gjøsteen, Kristian;
Buan, Aslak Bakke.
(2018)
Fully homomorphic encryption with applications to electronic voting.
Doktoravhandlinger ved NTNU (33)
Doktorgradsavhandling
-
Thuen, Øystein Øvreås;
Gjøsteen, Kristian.
(2011)
Bilinear Pairings in Cryptography.
Doktoravhandlinger ved NTNU (143)
Doktorgradsavhandling
INFORMASJONSMATR
-
Solberg, Morten Rotvold;
Gjøsteen, Kristian.
(2023)
Automated theorem provers and their role in cryptography.
Nettsider (opplysningsmateriale)
Undervisning
Emner
Formidling
2022
-
IntervjuGjøsteen, Kristian; Fuchs, Franz Georg; Engesvik, Sara. (2022) Kvantedatamaskiners destruktive potensiale: – Vi må forsikre oss mot at verden ramler sammen . https://www.digi.no/artikler/kvantedatamaskiners-destruktive https://www.digi.no/artikler/kvantedatamaskiners-destruktive [Internett] 2022-08-05
2020
-
Vitenskapelig foredragwu, shuang; Gjøsteen, Kristian; Boyd, Colin Alexander. (2020) A Blockchain Model in Tamarin and Formal Analysis of Hash Time Lock Contract. 2nd Workshop on Formal Methods for Blockchains 2020-07-20 - 2020-07-21
-
Vitenskapelig foredragStrand, Martin; Gjøsteen, Kristian. (2020) Can there be efficient and natural FHE schemes?. CFAIL CFAIL 2020: Conference for failed attempts and insightful losses , Virtuelt 2020-08-15 - 2020-08-15
2017
-
Vitenskapelig foredragBoyd, Colin Alexander; Armknecht, Frederik; Davies, Gareth Thomas; Gjøsteen, Kristian; Raddum, Håvard; Toorani, Mohsen. (2017) Secure Deduplication - Models and Optimization. CRISP – Center for Research in Security and Privacy Distinguished Lectures Series in Cybersecurity , Darmstadt 2017-11-16 -
-
Faglig foredragArmknecht, Frederik; Boyd, Colin Alexander; Davies, Gareth Thomas; Gjøsteen, Kristian; Toorani, Mohsen. (2017) Side channels in deduplication: trade-offs between leakage and efficiency. ACM ACM Asia Conference on Computer and Communications Security (ASIACCS'17) 2017-04-02 - 2017-04-06
2016
-
Vitenskapelig foredragGalteland, Herman; Gjøsteen, Kristian. (2016) Malware, Encryption, and Rerandomization - Everything is Under Attack. Mycrypt 2016 2016-12-01 - 2016-12-02
2011
-
Vitenskapelig foredragPetrides, George; Gjøsteen, Kristian; Steine, Asgeir Bertelsen. (2011) A Novel Framework for Protocol Analysis. Xidian University Provable Security , Xi'An 2011-10-16 - 2011-10-18
-
Vitenskapelig foredragGjøsteen, Kristian; Thuen, Øystein Øvreås. (2011) Password-Based Signatures. EuroPKI 2011 , Leuven 2011-09-15 - 2011-09-16
2010
-
Vitenskapelig foredragGjøsteen, Kristian; Steine, Asgeir; Petrides, George. (2010) Formal verification of reductions in cryptography. Gjøvik University College Norwegian Information Security Conference 2010 , Gjøvik 2010-11-23 - 2010-11-24
2008
-
Vitenskapelig foredragGjøsteen, Kristian. (2008) Weaknesses in BankID, a Norwegian PKI substitute deployed by Norwegian banks. EuroPKI 2008 , Trondheim 2008-06-16 - 2008-06-17
-
Vitenskapelig foredragGjøsteen, Kristian; Kråkmo, Lillian. (2008) Round-Optimal Blind Signatures from Waters Signatures. Provable Security 2008-10-30 - 2008-11-01
-
Vitenskapelig foredragGjøsteen, Kristian. (2008) A Latency-Free Election Scheme. RSA Conference 208 , San Francisco 2008-04-07 - 2008-04-11
-
Populærvitenskapelig foredragGjøsteen, Kristian. (2008) Hvordan knekke nettbanken?. The Gathering 2008 , Hamar 2008-03-19 - 2008-03-23
2007
-
Vitenskapelig foredragBrown, Daniel R. L.; Gjøsteen, Kristian. (2007) A Security Analysis of the NIST SP 800-90 Elliptic Curve Random Number Generator. International association for cryptologic research CRYPTO 2007 , Santa Barbara, California 2007-08-19 - 2007-08-23
-
Populærvitenskapelig foredragGjøsteen, Kristian. (2007) Kryptografi og Minside. Stiftelsen Ungdom og Forskning og Forbundet Unge Forskere Vitenskapskafe , Oslo 2007-01-25 - 2007-01-25
2006
-
Vitenskapelig foredragAndova, Suzana; Gjøsteen, Kristian; Kråkmo, Lillian; Mjølsnes, Stig Frode; Radomirovic, Sasa. (2006) An example of proving UC-realization with formal methods. ACM The 2nd Workshop on Formal and Computational Cryptography FCC 2006 , Venice 2006-07-09 - 2006-07-09
2005
-
IntervjuGjøsteen, Kristian; Årnes, André. (2005) Intervju om kryptografi, Her og nå, NRK P1. NRK P1 NRK P1 [Radio] 2005-08-17
-
IntervjuGjøsteen, Kristian; Årnes, André. (2005) Kriminelt kryptisk. Gemini Gemini [Avis] 2005-06-01
-
IntervjuWillassen, Svein Yngvar; Gjøsteen, Kristian. (2005) Kriminelle bruker hemmelige koder. Nettavisen Nettavisen [Internett] 2005-06-14
-
Vitenskapelig foredragGjøsteen, Kristian. (2005) Symmetric Subgroup Membership Problems. International Association for Cryptologic Research 8th International Workshop on Practice and Theory in Public Key Cryptography , Les Diablerets 2005-01-23 - 2005-01-26
-
Vitenskapelig foredragGjøsteen, Kristian. (2005) En PRF med en nyttig gruppestruktur. Norsk Sikkerhetsmyndighet Norsk Kryptoseminar 2005 , Kolsås 2005-11-07 - 2005-11-08
-
Vitenskapelig foredragAspnes, James; Diamadi, Zoë; Gjøsteen, Kristian; Peralta, René; Yampolskiy, Aleksandr. (2005) Spreading Alerts Quietly and the Subgroup Escape Problem. International Association for Cryptographic Research AsiaCrypt 2005 , Chennai 2005-12-04 - 2005-12-08
-
Vitenskapelig foredragGjøsteen, Kristian. (2005) Security Notions for Disk Encryption. ESORICS 2005 , Milano 2005-09-12 - 2005-09-14
-
Vitenskapelig foredragGjøsteen, Kristian. (2005) Homomorphic cryptosystems based on subgroup membership problems. MyCrypt 2005 , Kuala Lumpur 2005-09-28 - 2005-09-30