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56 Publications
2016 | Conference Paper | LibreCat-ID: 3117
On the Impossibility of Tight Cryptographic Reductions
C. Bader, T. Jager, Y. Li, S. Schäge, in: Advances in Cryptology - EUROCRYPT 2016 - 35th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Vienna, Austria, May 8-12, 2016, Proceedings, Part II, 2016, pp. 273--304.
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C. Bader, T. Jager, Y. Li, S. Schäge, in: Advances in Cryptology - EUROCRYPT 2016 - 35th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Vienna, Austria, May 8-12, 2016, Proceedings, Part II, 2016, pp. 273--304.
2016 | Conference Paper | LibreCat-ID: 3118
Public-Key Encryption with Simulation-Based Selective-Opening Security and Compact Ciphertexts
D. Hofheinz, T. Jager, A. Rupp, in: Theory of Cryptography - 14th International Conference, TCC 2016-B, Beijing, China, October 31 - November 3, 2016, Proceedings, Part II, 2016, pp. 146--168.
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D. Hofheinz, T. Jager, A. Rupp, in: Theory of Cryptography - 14th International Conference, TCC 2016-B, Beijing, China, October 31 - November 3, 2016, Proceedings, Part II, 2016, pp. 146--168.
2016 | Conference Paper | LibreCat-ID: 3119
Verifiable Random Functions from Standard Assumptions
D. Hofheinz, T. Jager, in: Theory of Cryptography - 13th International Conference, TCC 2016-A, Tel Aviv, Israel, January 10-13, 2016, Proceedings, Part I, 2016, pp. 336--362.
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D. Hofheinz, T. Jager, in: Theory of Cryptography - 13th International Conference, TCC 2016-A, Tel Aviv, Israel, January 10-13, 2016, Proceedings, Part I, 2016, pp. 336--362.
2016 | Journal Article | LibreCat-ID: 5446
Black-Box Accumulation: Collecting Incentives in a Privacy-Preserving Way
T. Jager, A. Rupp, Proceedings on Privacy Enhancing Technologies 2016 (2016) 62–82.
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T. Jager, A. Rupp, Proceedings on Privacy Enhancing Technologies 2016 (2016) 62–82.
2015 | Book Chapter | LibreCat-ID: 2921 | 
Tightly-Secure Signatures from Chameleon Hash Functions
O. Blazy, S. Kakvi, E. Kiltz, J. Pan, in: Lecture Notes in Computer Science, Springer Berlin Heidelberg, Berlin, Heidelberg, 2015, pp. 256–279.
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O. Blazy, S. Kakvi, E. Kiltz, J. Pan, in: Lecture Notes in Computer Science, Springer Berlin Heidelberg, Berlin, Heidelberg, 2015, pp. 256–279.
2015 | Journal Article | LibreCat-ID: 3120
Confined Guessing: New Signatures From Standard Assumptions
F. Böhl, D. Hofheinz, T. Jager, J. Koch, C. Striecks, J. Cryptology (2015) 176--208.
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F. Böhl, D. Hofheinz, T. Jager, J. Koch, C. Striecks, J. Cryptology (2015) 176--208.
2015 | Conference Paper | LibreCat-ID: 3121
On the Security of TLS 1.3 and QUIC Against Weaknesses in PKCS#1 v1.5 Encryption
T. Jager, J. Schwenk, J. Somorovsky, in: Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security, Denver, CO, USA, October 12-16, 2015, 2015, pp. 1185--1196.
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T. Jager, J. Schwenk, J. Somorovsky, in: Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security, Denver, CO, USA, October 12-16, 2015, 2015, pp. 1185--1196.
2015 | Conference Paper | LibreCat-ID: 3122
Practical Invalid Curve Attacks on TLS-ECDH
T. Jager, J. Schwenk, J. Somorovsky, in: Computer Security - ESORICS 2015 - 20th European Symposium on Research in Computer Security, Vienna, Austria, September 21-25, 2015, Proceedings, Part I, 2015, pp. 407--425.
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T. Jager, J. Schwenk, J. Somorovsky, in: Computer Security - ESORICS 2015 - 20th European Symposium on Research in Computer Security, Vienna, Austria, September 21-25, 2015, Proceedings, Part I, 2015, pp. 407--425.
2015 | Conference Paper | LibreCat-ID: 3123
On the Selective Opening Security of Practical Public-Key Encryption Schemes
F. Heuer, T. Jager, E. Kiltz, S. Schäge, in: Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30 - April 1, 2015, Proceedings, 2015, pp. 27--51.
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F. Heuer, T. Jager, E. Kiltz, S. Schäge, in: Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30 - April 1, 2015, Proceedings, 2015, pp. 27--51.
2015 | Conference Paper | LibreCat-ID: 3124
One-Round Key Exchange with Strong Security: An Efficient and Generic Construction in the Standard Model
F. Bergsma, T. Jager, J. Schwenk, in: Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30 - April 1, 2015, Proceedings, 2015, pp. 477--494.
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F. Bergsma, T. Jager, J. Schwenk, in: Public-Key Cryptography - PKC 2015 - 18th IACR International Conference on Practice and Theory in Public-Key Cryptography, Gaithersburg, MD, USA, March 30 - April 1, 2015, Proceedings, 2015, pp. 477--494.
2015 | Conference Paper | LibreCat-ID: 3125
Verifiable Random Functions from Weaker Assumptions
T. Jager, in: Theory of Cryptography - 12th Theory of Cryptography Conference, TCC 2015, Warsaw, Poland, March 23-25, 2015, Proceedings, Part {II}, 2015, pp. 121--143.
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T. Jager, in: Theory of Cryptography - 12th Theory of Cryptography Conference, TCC 2015, Warsaw, Poland, March 23-25, 2015, Proceedings, Part {II}, 2015, pp. 121--143.
2015 | Conference Paper | LibreCat-ID: 3126
Tightly-Secure Authenticated Key Exchange
C. Bader, D. Hofheinz, T. Jager, E. Kiltz, Y. Li, in: Theory of Cryptography - 12th Theory of Cryptography Conference, TCC 2015, Warsaw, Poland, March 23-25, 2015, Proceedings, Part I, 2015, pp. 629--658.
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C. Bader, D. Hofheinz, T. Jager, E. Kiltz, Y. Li, in: Theory of Cryptography - 12th Theory of Cryptography Conference, TCC 2015, Warsaw, Poland, March 23-25, 2015, Proceedings, Part I, 2015, pp. 629--658.
2014 | Journal Article | LibreCat-ID: 3127
Die Zukunft der Kryptographie
T. Jager, Datenschutz Und Datensicherheit (2014) 445--451.
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T. Jager, Datenschutz Und Datensicherheit (2014) 445--451.
2014 | Conference Paper | LibreCat-ID: 3128
On Tight Security Proofs for Schnorr Signatures
N. Fleischhacker, T. Jager, D. Schröder, in: Advances in Cryptology - ASIACRYPT 2014 - 20th International Conference on the Theory and Application of Cryptology and Information Security, Kaoshiung, Taiwan, R.O.C., December 7-11, 2014. Proceedings, Part I, 2014, pp. 512--531.
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N. Fleischhacker, T. Jager, D. Schröder, in: Advances in Cryptology - ASIACRYPT 2014 - 20th International Conference on the Theory and Application of Cryptology and Information Security, Kaoshiung, Taiwan, R.O.C., December 7-11, 2014. Proceedings, Part I, 2014, pp. 512--531.
2013 | Journal Article | LibreCat-ID: 3129
On the Analysis of Cryptographic Assumptions in the Generic Ring Model
T. Jager, J. Schwenk, J. Cryptology (2013) 225--245.
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T. Jager, J. Schwenk, J. Cryptology (2013) 225--245.
2013 | Conference Paper | LibreCat-ID: 3130
Practical Signatures from Standard Assumptions
F. Böhl, D. Hofheinz, T. Jager, J. Koch, J. Hong Seo, C. Striecks, in: Advances in Cryptology - EUROCRYPT 2013, 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Athens, Greece, May 26-30, 2013. Proceedings, 2013, pp. 461--485.
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F. Böhl, D. Hofheinz, T. Jager, J. Koch, J. Hong Seo, C. Striecks, in: Advances in Cryptology - EUROCRYPT 2013, 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques, Athens, Greece, May 26-30, 2013. Proceedings, 2013, pp. 461--485.
2013 | Conference Paper | LibreCat-ID: 3131
One Bad Apple: Backwards Compatibility Attacks on State-of-the-Art Cryptography
T. Jager, K.G. Paterson, J. Somorovsky, in: 20th Annual Network and Distributed System Security Symposium, NDSS 2013, San Diego, California, USA, February 24-27, 2013, 2013.
LibreCat
T. Jager, K.G. Paterson, J. Somorovsky, in: 20th Annual Network and Distributed System Security Symposium, NDSS 2013, San Diego, California, USA, February 24-27, 2013, 2013.
2012 | Book Chapter | LibreCat-ID: 2918
Certifying RSA
S. Kakvi, E. Kiltz, A. May, in: Advances in Cryptology – ASIACRYPT 2012, Springer Berlin Heidelberg, Berlin, Heidelberg, 2012, pp. 404–414.
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S. Kakvi, E. Kiltz, A. May, in: Advances in Cryptology – ASIACRYPT 2012, Springer Berlin Heidelberg, Berlin, Heidelberg, 2012, pp. 404–414.
2012 | Book Chapter | LibreCat-ID: 2919
Optimal Security Proofs for Full Domain Hash, Revisited
S. Kakvi, E. Kiltz, in: Advances in Cryptology – EUROCRYPT 2012, Springer Berlin Heidelberg, Berlin, Heidelberg, 2012, pp. 537–553.
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S. Kakvi, E. Kiltz, in: Advances in Cryptology – EUROCRYPT 2012, Springer Berlin Heidelberg, Berlin, Heidelberg, 2012, pp. 537–553.
2012 | Dissertation | LibreCat-ID: 3132
On black-box models of computation in cryptology
T. Jager, On Black-Box Models of Computation in Cryptology, Ruhr University Bochum, 2012.
LibreCat
T. Jager, On Black-Box Models of Computation in Cryptology, Ruhr University Bochum, 2012.
2012 | Conference Paper | LibreCat-ID: 3133
On the Security of TLS-DHE in the Standard Model
T. Jager, F. Kohlar, S. Schäge, J. Schwenk, in: Advances in Cryptology - CRYPTO 2012 - 32nd Annual Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2012. Proceedings, 2012, pp. 273--293.
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T. Jager, F. Kohlar, S. Schäge, J. Schwenk, in: Advances in Cryptology - CRYPTO 2012 - 32nd Annual Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2012. Proceedings, 2012, pp. 273--293.
2012 | Conference Paper | LibreCat-ID: 3134
Tightly Secure Signatures and Public-Key Encryption
D. Hofheinz, T. Jager, in: Advances in Cryptology - CRYPTO 2012 - 32nd Annual Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2012. Proceedings, 2012, pp. 590--607.
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D. Hofheinz, T. Jager, in: Advances in Cryptology - CRYPTO 2012 - 32nd Annual Cryptology Conference, Santa Barbara, CA, USA, August 19-23, 2012. Proceedings, 2012, pp. 590--607.
2012 | Conference Paper | LibreCat-ID: 3135
Bleichenbacher's Attack Strikes again: Breaking PKCS#1 v1.5 in XML Encryption
T. Jager, S. Schinzel, J. Somorovsky, in: Computer Security - ESORICS 2012 - 17th European Symposium on Research in Computer Security, Pisa, Italy, September 10-12, 2012. Proceedings, 2012, pp. 752--769.
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T. Jager, S. Schinzel, J. Somorovsky, in: Computer Security - ESORICS 2012 - 17th European Symposium on Research in Computer Security, Pisa, Italy, September 10-12, 2012. Proceedings, 2012, pp. 752--769.
2012 | Conference Paper | LibreCat-ID: 3136
Waters Signatures with Optimal Security Reduction
D. Hofheinz, T. Jager, E. Knapp, in: Public Key Cryptography - PKC 2012 - 15th International Conference on Practice and Theory in Public Key Cryptography, Darmstadt, Germany, May 21-23, 2012. Proceedings, 2012, pp. 66--83.
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D. Hofheinz, T. Jager, E. Knapp, in: Public Key Cryptography - PKC 2012 - 15th International Conference on Practice and Theory in Public Key Cryptography, Darmstadt, Germany, May 21-23, 2012. Proceedings, 2012, pp. 66--83.
2011 | Conference Paper | LibreCat-ID: 3137
Short Signatures from Weaker Assumptions
D. Hofheinz, T. Jager, E. Kiltz, in: Advances in Cryptology - ASIACRYPT 2011 - 17th International Conference on the Theory and Application of Cryptology and Information Security, Seoul, South Korea, December 4-8, 2011. Proceedings, 2011, pp. 647--666.
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D. Hofheinz, T. Jager, E. Kiltz, in: Advances in Cryptology - ASIACRYPT 2011 - 17th International Conference on the Theory and Application of Cryptology and Information Security, Seoul, South Korea, December 4-8, 2011. Proceedings, 2011, pp. 647--666.
2011 | Conference Paper | LibreCat-ID: 3138
How to break XML encryption
T. Jager, J. Somorovsky, in: Proceedings of the 18th ACM Conference on Computer and Communications Security, CCS 2011, Chicago, Illinois, USA, October 17-21, 2011, 2011, pp. 413--422.
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T. Jager, J. Somorovsky, in: Proceedings of the 18th ACM Conference on Computer and Communications Security, CCS 2011, Chicago, Illinois, USA, October 17-21, 2011, 2011, pp. 413--422.
2010 | Conference Paper | LibreCat-ID: 3139
Generic Compilers for Authenticated Key Exchange
T. Jager, F. Kohlar, S. Schäge, J. Schwenk, in: Advances in Cryptology - ASIACRYPT 2010 - 16th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 5-9, 2010. Proceedings, 2010, pp. 232--249.
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T. Jager, F. Kohlar, S. Schäge, J. Schwenk, in: Advances in Cryptology - ASIACRYPT 2010 - 16th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 5-9, 2010. Proceedings, 2010, pp. 232--249.
2010 | Conference Paper | LibreCat-ID: 3140
The Semi-Generic Group Model and Applications to Pairing-Based Cryptography
T. Jager, A. Rupp, in: Advances in Cryptology - ASIACRYPT 2010 - 16th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 5-9, 2010. Proceedings, 2010, pp. 539--556.
LibreCat
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T. Jager, A. Rupp, in: Advances in Cryptology - ASIACRYPT 2010 - 16th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 5-9, 2010. Proceedings, 2010, pp. 539--556.
2010 | Conference Paper | LibreCat-ID: 3141
Simple and Efficient Public-Key Encryption from Computational Diffie-Hellman in the Standard Model
K. Haralambiev, T. Jager, E. Kiltz, V. Shoup, in: Public Key Cryptography - PKC 2010, 13th International Conference on Practice and Theory in Public Key Cryptography, Paris, France, May 26-28, 2010. Proceedings, 2010, pp. 1--18.
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K. Haralambiev, T. Jager, E. Kiltz, V. Shoup, in: Public Key Cryptography - PKC 2010, 13th International Conference on Practice and Theory in Public Key Cryptography, Paris, France, May 26-28, 2010. Proceedings, 2010, pp. 1--18.
2009 | Book Chapter | LibreCat-ID: 2920
Reinforcement Learning for Blackjack
S. Kakvi, in: Lecture Notes in Computer Science, Springer Berlin Heidelberg, Berlin, Heidelberg, 2009, pp. 300–301.
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S. Kakvi, in: Lecture Notes in Computer Science, Springer Berlin Heidelberg, Berlin, Heidelberg, 2009, pp. 300–301.
2009 | Conference Paper | LibreCat-ID: 3142
On the Analysis of Cryptographic Assumptions in the Generic Ring Model
T. Jager, J. Schwenk, in: Advances in Cryptology - ASIACRYPT 2009, 15th International Conference on the Theory and Application of Cryptology and Information Security, Tokyo, Japan, December 6-10, 2009. Proceedings, 2009, pp. 399--416.
LibreCat
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T. Jager, J. Schwenk, in: Advances in Cryptology - ASIACRYPT 2009, 15th International Conference on the Theory and Application of Cryptology and Information Security, Tokyo, Japan, December 6-10, 2009. Proceedings, 2009, pp. 399--416.
2009 | Book Chapter | LibreCat-ID: 9616
Reinforcement Learning for Blackjack
S. Kakvi, in: Lecture Notes in Computer Science, Berlin, Heidelberg, 2009.
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S. Kakvi, in: Lecture Notes in Computer Science, Berlin, Heidelberg, 2009.
2008 | Conference Paper | LibreCat-ID: 3143
A Browser-Based Kerberos Authentication Scheme
S. Gajek, T. Jager, M. Manulis, J. Schwenk, in: Computer Security - ESORICS 2008, 13th European Symposium on Research in Computer Security, Málaga, Spain, October 6-8, 2008. Proceedings, 2008, pp. 115--129.
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S. Gajek, T. Jager, M. Manulis, J. Schwenk, in: Computer Security - ESORICS 2008, 13th European Symposium on Research in Computer Security, Málaga, Spain, October 6-8, 2008. Proceedings, 2008, pp. 115--129.
2008 | Conference Paper | LibreCat-ID: 3144
On Black-Box Ring Extraction and Integer Factorization
K. Altmann, T. Jager, A. Rupp, in: Automata, Languages and Programming, 35th International Colloquium, ICALP 2008, Reykjavik, Iceland, July 7-11, 2008, Proceedings, Part II - Track B: Logic, Semantics, and Theory of Programming & Track C: Security and Cryptography Foundations, 2008, pp. 437--448.
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K. Altmann, T. Jager, A. Rupp, in: Automata, Languages and Programming, 35th International Colloquium, ICALP 2008, Reykjavik, Iceland, July 7-11, 2008, Proceedings, Part II - Track B: Logic, Semantics, and Theory of Programming & Track C: Security and Cryptography Foundations, 2008, pp. 437--448.
2008 | Conference Paper | LibreCat-ID: 3145
On the Equivalence of Generic Group Models
T. Jager, J. Schwenk, in: Provable Security, Second International Conference, ProvSec 2008, Shanghai, China, October 30 - November 1, 2008. Proceedings, 2008, pp. 200--209.
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T. Jager, J. Schwenk, in: Provable Security, Second International Conference, ProvSec 2008, Shanghai, China, October 30 - November 1, 2008. Proceedings, 2008, pp. 200--209.
2008 | Conference Paper | LibreCat-ID: 3146
Nutzung von selbstsignierten Client-Zertifikaten zur Authentifikation bei SSL/TLS
T. Jager, H. Jäkel, J. Schwenk, in: Sicherheit 2008: Sicherheit, Schutz Und Zuverlässigkeit. Konferenzband Der 4. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft Für Informatik e.V. (GI), 2.-4. April 2008 Im Saarbrücker Schloss., 2008, pp. 127--136.
LibreCat
T. Jager, H. Jäkel, J. Schwenk, in: Sicherheit 2008: Sicherheit, Schutz Und Zuverlässigkeit. Konferenzband Der 4. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft Für Informatik e.V. (GI), 2.-4. April 2008 Im Saarbrücker Schloss., 2008, pp. 127--136.