Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
The BiBa one-time signature and broadcast authentication protocol
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
Security of Blind Discrete Log Signatures against Interactive Attacks
ICICS '01 Proceedings of the Third International Conference on Information and Communications Security
An Efficient and Provably Secure Threshold Blind Signature
ICISC '01 Proceedings of the 4th International Conference Seoul on Information Security and Cryptology
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
An Efficient Existentially Unforgeable Signature Scheme and its Applications
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
ID-Based Blind Signature and Ring Signature from Pairings
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
PKC '03 Proceedings of the 6th International Workshop on Theory and Practice in Public Key Cryptography: Public Key Cryptography
ASIACRYPT '96 Proceedings of the International Conference on the Theory and Applications of Cryptology and Information Security: Advances in Cryptology
Efficient ID-based blind signature and proxy signature from bilinear pairings
ACISP'03 Proceedings of the 8th Australasian conference on Information security and privacy
Two improved partially blind signature schemes from bilinear pairings
ACISP'05 Proceedings of the 10th Australasian conference on Information Security and Privacy
Efficient identity-based signatures and blind signatures
CANS'05 Proceedings of the 4th international conference on Cryptology and Network Security
A novel and secure non-designated proxy signature scheme for mobile agents
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Efficient blind signatures without random oracles
SCN'04 Proceedings of the 4th international conference on Security in Communication Networks
Cryptanalysis of a forward secure blind signature scheme with provable security
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
Efficient partially blind signatures with provable security
ICCSA'06 Proceedings of the 2006 international conference on Computational Science and Its Applications - Volume Part III
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Blind signature is a cryptographical technique and allows a user to obtain signatures from an authority on any document, in such a way that the authority learns nothing about the message that is being signed. The blindnessis an important property which distinguishes the blind signature from other signature schemes. In this work, we analyze security of two ID-based blind signature schemes [1,16] and a blind signature scheme[20] based on witness indistinguishable signature, and show that the three schemes don't satisfy blindness, in other words, the signer is able to link a valid message-signature pair obtained by some user. It means that the three blind signature schemes are insecure.