Authentication theory/coding theory
Proceedings of CRYPTO 84 on Advances in cryptology
The dining cryptographers problem: unconditional sender and recipient untraceability
Journal of Cryptology
Completeness theorems for non-cryptographic fault-tolerant distributed computation
STOC '88 Proceedings of the twentieth annual ACM symposium on Theory of computing
STOC '91 Proceedings of the twenty-third annual ACM symposium on Theory of computing
Multi-receiver/multi-sender network security: efficient authenticated multicast/feedback
IEEE INFOCOM '92 Proceedings of the eleventh annual joint conference of the IEEE computer and communications societies on One world through communications (Vol. 3)
On Some Methods for Unconditionally Secure Key Distributionand Broadcast Encryption
Designs, Codes and Cryptography - Special issue: selected areas in cryptography I
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
On the Key Predistribution System: A Practical Solution to the Key Distribution Problem
CRYPTO '87 A Conference on the Theory and Applications of Cryptographic Techniques on Advances in Cryptology
Perfectly-Secure Key Distribution for Dynamic Conferences
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
CRYPTO '96 Proceedings of the 16th Annual International Cryptology Conference on Advances in Cryptology
Efficient Group Signature Schemes for Large Groups (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
Relations Among Notions of Security for Public-Key Encryption Schemes
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
Security Notions for Unconditionally Secure Signature Schemes
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Some Bounds and a Construction for Secure Broadcast Encryption
ASIACRYPT '98 Proceedings of the International Conference on the Theory and Applications of Cryptology and Information Security: Advances in Cryptology
Unconditionally Secure Digital Signature Schemes Admitting Transferability
ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
PKC '02 Proceedings of the 5th International Workshop on Practice and Theory in Public Key Cryptosystems: Public Key Cryptography
A Concrete Security Treatment of Symmetric Encryption
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
Message authentication with arbitration of transmitter/receiver disputes
EUROCRYPT'87 Proceedings of the 6th annual international conference on Theory and application of cryptographic techniques
ICITS '08 Proceedings of the 3rd international conference on Information Theoretic Security
Unconditionally Secure Blind Authentication Codes: The Model, Constructions, and Links to Commitment
Formal to Practical Security
Unconditionally secure chaffing-and-winnowing: a relationship between encryption and authentication
AAECC'06 Proceedings of the 16th international conference on Applied Algebra, Algebraic Algorithms and Error-Correcting Codes
Symmetric authentication codes with secrecy and unconditionally secure authenticated encryption
INDOCRYPT'04 Proceedings of the 5th international conference on Cryptology in India
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Anonymous channels or similar techniques that can achieve sender's anonymity play important roles in many applications. However, they will be meaningless if cryptographic primitives containing his identity is carelessly used during the transmission.The main contribution of this paper is to study the security primitives for the above problem. In this paper, we first define unconditionally secure asymmetric encryption scheme (USAE), which is an encryption scheme with unconditional security and is impossible for a receiver to deduce the identity of a sender from the encrypted message. We also investigate tight lower bounds on required memory sizes from an information theoretic viewpoint and show an optimal construction based on polynomials. We also show a construction based on combinatorial theory, a non-malleable scheme and a multi-receiver scheme. Then, we define and formalize group authentication code (GA-code), which is an unconditionally secure authentication code with anonymity like group signatures. In this scheme, any authenticated user will be able to generate and send an authenticated message while the receiver can verify the legitimacy of the message that it has been sent from a legitimate user but at the same time retains his anonymity. For GA-code, we show two concrete constructions.