Helger Lipmaa

	2009
34		Arne Ansper, Sven Heiberg, Helger Lipmaa, Tom André Øverland, Filip van Laenen: Security and Trust for the Norwegian E-Voting Pilot Project E-valg 2011. NordSec 2009: 207-222
	2008
33		Yvo Desmedt, Helger Lipmaa, Duong Hieu Phan: Hybrid Damgård Is CCA1-Secure under the DDH Assumption. CANS 2008: 18-30
32		Giovanni Di Crescenzo, Helger Lipmaa: Succinct NP Proofs from an Extractability Assumption. CiE 2008: 175-185
31		Giovanni Di Crescenzo, Helger Lipmaa: 3-Message NP Arguments in the BPK Model with Optimal Soundness and Zero-Knowledge. ISAAC 2008: 615-627
30		Helger Lipmaa: New Communication-Efficient Oblivious Transfer Protocols Based on Pairings. ISC 2008: 441-454
	2007
29		Sven Laur, Helger Lipmaa: A New Protocol for Conditional Disclosure of Secrets and Its Applications. ACNS 2007: 207-225
28		Philippe Dumas, Helger Lipmaa, Johan Wallén: Asymptotic Behaviour of a Non-commutative Rational Series with a Nonnegative Linear Representation. Discrete Mathematics & Theoretical Computer Science 9(1): (2007)
	2006
27		Helger Lipmaa, Moti Yung, Dongdai Lin: Information Security and Cryptology, Second SKLOIS Conference, Inscrypt 2006, Beijing, China, November 29 - December 1, 2006, Proceedings Springer 2006
26		Sven Laur, Helger Lipmaa, Taneli Mielikäinen: Cryptographically private support vector machines. KDD 2006: 618-624
25		Ammar Alkassar, Elena Andreeva, Helger Lipmaa: SLC: Efficient Authenticated Encryption for Short Packages. Sicherheit 2006: 270-278
	2005
24		Edith Elkind, Helger Lipmaa: Small Coalitions Cannot Manipulate Voting. Financial Cryptography 2005: 285-297
23		Helger Lipmaa, Guilin Wang, Feng Bao: Designated Verifier Signature Schemes: Attacks, New Security Notions and a New Construction. ICALP 2005: 459-471
22		Yong Li, Helger Lipmaa, Dingyi Pei: On Delegatability of Four Designated Verifier Signatures. ICICS 2005: 61-71
21		Sven Laur, Helger Lipmaa, Taneli Mielikäinen: Private Itemset Support Counting. ICICS 2005: 97-111
20		Edith Elkind, Helger Lipmaa: Hybrid Voting Protocols and Hardness of Manipulation. ISAAC 2005: 206-215
19		Helger Lipmaa: An Oblivious Transfer Protocol with Log-Squared Communication. ISC 2005: 314-328
	2004
18		Helger Lipmaa, Johan Wallén, Philippe Dumas: On the Additive Differential Probability of Exclusive-Or. FSE 2004: 317-331
17		Edith Elkind, Helger Lipmaa: Interleaving Cryptography and Mechanism Design: The Case of Online Auctions. Financial Cryptography 2004: 117-131
16		Bart Goethals, Sven Laur, Helger Lipmaa, Taneli Mielikäinen: On Private Scalar Product Computation for Privacy-Preserving Data Mining. ICISC 2004: 104-120
15		Andris Ambainis, Markus Jakobsson, Helger Lipmaa: Cryptographic Randomized Response Techniques. Public Key Cryptography 2004: 425-438
	2003
14		Helger Lipmaa: On Diophantine Complexity and Statistical Zero-Knowledge Arguments. ASIACRYPT 2003: 398-415
13		Helger Lipmaa: Verifiable Homomorphic Oblivious Transfer and Private Equality Test. ASIACRYPT 2003: 416-433
12		Andris Ambainis, Markus Jakobsson, Helger Lipmaa: Cryptographic Randomized Response Techniques CoRR cs.CC/0302025: (2003)
	2002
11		Helger Lipmaa, N. Asokan, Valtteri Niemi: Secure Vickrey Auctions without Threshold Trust. Financial Cryptography 2002: 87-101
10		Helger Lipmaa: On Differential Properties of Pseudo-Hadamard Transform and Related Mappings. INDOCRYPT 2002: 48-61
9		Helger Lipmaa: On Optimal Hash Tree Traversal for Interval Time-Stamping. ISC 2002: 357-371
8		Helger Lipmaa: Fast Software Implementations of SC2000. ISC 2002: 63-74
7		Ahto Buldas, Peeter Laud, Helger Lipmaa: Eliminating Counterevidence with Applications to Accountable Certificate Management. Journal of Computer Security 10(3): 273-296 (2002)
	2001
6		Helger Lipmaa, Shiho Moriai: Efficient Algorithms for Computing Differential Properties of Addition. FSE 2001: 336-350
	2000
5		Ahto Buldas, Peeter Laud, Helger Lipmaa: Accountable certificate management using undeniable attestations. ACM Conference on Computer and Communications Security 2000: 9-17
4		Kazumaro Aoki, Helger Lipmaa: Fast Implementations of AES Candidates. AES Candidate Conference 2000: 106-120
3		Ahto Buldas, Helger Lipmaa, Berry Schoenmakers: Optimally Efficient Accountable Time-Stamping. Public Key Cryptography 2000: 293-305
	1998
2		Ahto Buldas, Peeter Laud, Helger Lipmaa, Jan Willemson: Time-Stamping with Binary Linking Schemes. CRYPTO 1998: 486-501
1		Helger Lipmaa: IDEA: A Cipher For Multimedia Architectures? Selected Areas in Cryptography 1998: 248-263

Coauthor Index

1	Ammar Alkassar	[25]
2	Andris Ambainis	[12] [15]
3	Elena Andreeva	[25]
4	Arne Ansper	[34]
5	Kazumaro Aoki	[4]
6	N. Asokan	[11]
7	Feng Bao	[23]
8	Ahto Buldas	[2] [3] [5] [7]
9	Giovanni Di Crescenzo	[31] [32]
10	Yvo Desmedt	[33]
11	Philippe Dumas	[18] [28]
12	Edith Elkind	[17] [20] [24]
13	Bart Goethals	[16]
14	Sven Heiberg	[34]
15	Markus Jakobsson	[12] [15]
16	Filip van Laenen	[34]
17	Peeter Laud	[2] [5] [7]
18	Sven Laur	[16] [21] [26] [29]
19	Yong Li	[22]
20	Dongdai Lin	[27]
21	Taneli Mielikäinen	[16] [21] [26]
22	Shiho Moriai	[6]
23	Valtteri Niemi	[11]
24	Tom André Øverland	[34]
25	Dingyi Pei	[22]
26	Duong Hieu Phan	[33]
27	Berry Schoenmakers	[3]
28	Johan Wallén	[18] [28]
29	Guilin Wang	[23]
30	Jan Willemson	[2]
31	Moti Yung (Mordechai M. Yung)	[27]

Colors in the list of coauthors