Pseudonym systems Export

@misc{pseudonym_system, abstract = {Abstract. Pseudonym systems allow users to interact with multiple organizations anonymously, using pseudonyms. The pseudonyms cannot be linked, but are formed in such a way that a user can prove to one organization a statement about his relationship with another. Such statement is called a credential. Previous work in this area did not protect the system against dishonest users who collectively use their pseudonyms and credentials, i.e. share an identity. Previous practical schemes also relied very heavily on the involvement of a trusted center. In the present paper we give a formal denition of pseudonym systems where users are motivated not to share their identity, and in which the trusted center\&\#039;s involvement is minimal. We give theoretical constructions for such systems based on any one-way function. We also suggest an ecient and easy to implement practical scheme.}, author = {Lysyanskaya, Anna and Rivest, Ronald L. and Sahai, Amit}, citeulike-article-id = {3481116}, citeulike-linkout-0 = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.37.3307}, keywords = {pseudonym}, pages = {184--199}, posted-at = {2008-11-04 23:50:08}, priority = {5}, title = {Pseudonym systems}, url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.37.3307}, volume = {1758}, year = {1999} }

TY - ELEC ID - pseudonym_system L3 - citeulike-article-id:3481116 N2 - Abstract. Pseudonym systems allow users to interact with multiple organizations anonymously, using pseudonyms. The pseudonyms cannot be linked, but are formed in such a way that a user can prove to one organization a statement about his relationship with another. Such statement is called a credential. Previous work in this area did not protect the system against dishonest users who collectively use their pseudonyms and credentials, i.e. share an identity. Previous practical schemes also relied very heavily on the involvement of a trusted center. In the present paper we give a formal denition of pseudonym systems where users are motivated not to share their identity, and in which the trusted center's involvement is minimal. We give theoretical constructions for such systems based on any one-way function. We also suggest an ecient and easy to implement practical scheme. EP - 199 TI - Pseudonym systems VL - 1758 SP - 184 KW - pseudonym AU - Lysyanskaya, Anna AU - Rivest, Ronald AU - Sahai, Amit PY - 1999/// UR - http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.37.3307 ER -