Alfredo Rial
My picture!
Address ESAT-COSIC
KU Leuven
Kasteelpark Arenberg 10
B-3001 Leuven-Heverlee
Belgium
Office 01.70
Phone +32-16-32 96 16
Fax +32-16-32 19 69
Email alfredo.rial at esat.kuleuven.be

COSIC ESAT
KU Leuven
Welcome!

I am a PhD candidate at the COSIC research group at KU Leuven . My promotor is Prof. Bart Preneel . I am funded by the Research Foundation - Flanders (FWO) . Previously, I completed my Master in Telecommunication Engineering at School of Telecommunication Engineering (EET) at the University of Vigo (Spain).

Research | Publications | Patents | Teaching | Talks | Conferences and Events | Download CV

Research

My research interests are in the area of cryptography and privacy:
-   Oblivious transfer
-   Commitment Schemes
-   Zero-Knowledge Proofs of Knowledge
-   Provable security

Publications
  1. Alfredo Rial and George Danezis, "Privacy-Preserving Smart Metering" , WPES 2011 [Full version] [Slides]

  2. George Danezis, Markulf Kohlweiss, and Alfredo Rial, "Differentially Private Billing with Rebates" , Information Hiding 2011 [Full version]

  3. Alfredo Rial and Bart Preneel, "Blind Attribute-Based Encryption and Oblivious Transfer with Fine-Grained Access Control" , WISSec 2010 [Full version] [Slides]

  4. Alfredo Rial, Josep Balasch and Bart Preneel, "A Privacy-Preserving Buyer-Seller Watermarking Protocol Based on Priced Oblivious Transfer" , IEEE Transactions on Information Forensics and Security [Full version]

  5. Alfredo Rial, Mina Deng, Tiziano Bianchi, Alessandro Piva and Bart Preneel, "A Provably Secure Anonymous Buyer-Seller Watermarking Protocol" , IEEE Transactions on Information Forensics and Security [Full version]

  6. Prateek Mittal, Nikita Borisov, Carmela Troncoso and Alfredo Rial, "Scalable Anonymous Communication with Provable Security" , 5th Usenix Workshop on Hot Topics in Security [Full version]

  7. Josep Balasch, Alfredo Rial, Carmela Troncoso, Bart Preneel, Ingrid Verbauwhede and Christophe Geuens, "PrETP: Privacy-Preserving Electronic Toll Pricing" , USENIX Security Symposium 2010 [Full version] [Published version] [Slides]

  8. Alfredo Rial and Bart Preneel, "Optimistic Fair Priced Oblivious Transfer" , AFRICACRYPT 2010 [Full version] [Published version] [Slides]

  9. Alfredo Rial, Markulf Kohlweiss and Bart Preneel, "Universally Composable Adaptive Priced Oblivious Transfer" , PAIRING 2009 [Full version] [Published version] [Slides]

  10. Jan Camenisch, Markulf Kohlweiss, Alfredo Rial and Caroline Sheedy,"Blind and Anonymous Identity-Based Encryption and Authorised Private Searches on Public Key Encrypted Data", PKC 2009 [Full version] [Published version] [Slides]

  11. "Public Key Encryption with Oblivious Keyword Search. Priced Oblivious Transfer"
    Master thesis

Patents
  1. George Danezis and Alfredo Rial, "Privacy-Preserving Metering", Serial number 12/901,214. Requested on 8th October 2010.

Teaching
    Teaching Assistance:

    -   Cryptography and Network Security (H05D9A). KU Leuven. 2011/12
    -   Advanced Methods in Cryptography (H03G5A). KU Leuven. 2010/11, 2011/12

    Master Thesis Supervision:

  1. Chao Li, "Anonymous Payment Mechanisms for Electric Car Infrastructure" , Supervisors: Josep Balasch and Alfredo Rial. Assessors: Prof. Bart Preneel and Prof. Geert Deconinck. Promotors: Prof. Claudia Diaz, Prof. Ingrid Verbauwhede and Prof. Johan Driesen. [Full version]

  2. Antonio Diaz Castaño, "Anonymous E-Petitions with Secure Hardware for Smart Phones" , Supervisors: Alfredo Rial, Gauthier Van Damme and Karel Wouters. Promotors: Prof. Bart Preneel and Prof. Juan Carlos Burguillo-Rial [Full version]

Talks and Seminars
  1. Seminar at University of Vigo, ETSET: "Vector Commitments with Efficient Zero-Knowledge Proofs for Privacy-preserving Smart Billing Applications "
    Vigo, Spain, November 3, 2011.

  2. WPES 2011 presentation: "Privacy-preserving Smart Metering"
    Chicago, USA, October 17, 2011.

  3. WISSec 2010 presentation: "Blind Attribute-Based Encryption and Oblivious Transfer with Fine-Grained Access Control"
    Nijmegen, The Netherlands, November 29, 2010.

  4. BCRYPT PhD Day presentation: "Blind Attribute-Based Encryption and Oblivious Transfer with Fine-Grained Access Control"
    Ghent, Belgium, November 17, 2010.

  5. Seminar at University of Vigo, ETSET: "Privacy-preserving Smart Metering"
    Vigo, Spain, November 9, 2010.

  6. COSIC Seminar: "Privacy-preserving Smart Metering"
    Leuven, Belgium, October 15, 2010.

  7. ISSE 2010 presentation: "PrETP: Privacy-Preserving Electronic Toll Pricing"
    Berlin, Germany, October 5, 2010.

  8. Africacrypt 2010 presentation: "Optimistic Fair Priced Oblivious Transfer"
    Stellenbosch, South Africa, May 3, 2010.

  9. 4th ADAPID Workshop presentation: "Privacy-preserving e-Commerce"
    Leuven, Belgium, November 17, 2009.

  10. SEDAN Workshop presentation: "Blind and Anonymous Idendtity-Based Encryption and Authorised Private Searches on Public Key Encrypted Data"
    University of Twente, Enschede, The Netherlands, October 7, 2009.

  11. Pairing 2009 presentation: "Universally Composable Adaptive Priced Oblivious Transfer"
    Palo Alto, CA, USA, August 12-14, 2009.

  12. PKC 2009 presentation: "Blind and Anonymous Idendtity-Based Encryption and Authorised Private Searches on Public Key Encrypted Data"
    Irvine, CA, USA, March 18 - 20, 2009.

  13. FIDIS PhD Event presentation: "Universally Composable Adaptive Priced Oblivious Transfer"
    Riezlern, Austria, January 15 - 17, 2009.

  14. BCRYPT PhD Day presentation: "Priced Oblivious Transfer"
    Leuven, Belgium, October 13, 2008.

  15. 3rd ADAPID Workshop presentation: "Privacy Preserving Data Retention"
    Leuven, Belgium, July 22, 2008.

  16. COSIC Seminar: "Public Key Encryption with Oblivious Keyword Search. Priced Oblivious Transfer"
    Leuven, Belgium, March 17, 2008.

Conferences, Workshops and Other Events
  1. WPES & ACM CCS & CCSW 2011
    Chicago, USA, October 17-21, 2011.

  2. Internship at Microsoft Research Cambridge
    Cambridge, United Kingdom, June 6 to August 26, 2011.

  3. BCRYPT PhD Day
    Louvain-la-Neuve, Belgium, May 3, 2011.

  4. Winter School on Secure Computation and Efficiency
    Bar-Ilan University, Ramat Gan, Israel, January 30 - February 1, 2011.

  5. WISSec 2010
    Nijmegen, the Netherlands, November 29-30, 2010.

  6. BCRYPT PhD Day
    Ghent, Belgium, November 17, 2010.

  7. ISSE/GI-Sicherheit 2010
    Berlin, Germany, October 5-7, 2010.

  8. Internship at Microsoft Research Cambridge
    Cambridge, United Kingdom, July 5 to September 24, 2010.

  9. Africacrypt 2010
    Stellenbosch, South Africa, May 3-6, 2010.

  10. 4th ADAPID Workshop
    Leuven, Belgium, November 17, 2009.

  11. SEDAN Workshop
    University of Twente, Enschede, The Netherlands, October 7, 2009.

  12. Crypto 2009
    Santa Barbara, CA, USA, August 16-20, 2009.

  13. Pairing 2009
    Palo Alto, CA, USA, August 12-14, 2009.

  14. Eurocrypt 2009
    Cologne, Germany, April 26-30, 2009.

  15. FIDIS General Meeting
    Frankfurt am Main, Germany, March 25-27, 2009.

  16. Public Key Cryptography 2009
    Irvine, CA, USA, March 18-20, 2009.

  17. FIDIS PhD Event
    Riezlern, Austria, January 15-17, 2009.

  18. BCRYPT PhD Day
    Leuven, Belgium, October 13, 2008.

  19. PETS 2008
    Leuven, Belgium, July 23-25, 2008.

  20. 3rd ADAPID Workshop
    Leuven, Belgium, July 22, 2008.