Titlebook: Advances in Information and Computer Security; First International Hiroshi Yoshiura,Kouichi Sakurai,Shinichi Kawamura Conference proceedin

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Di-trans,poly-cis-decaprenylcistransferase, signatures. This method leads to schemes that are somewhat inefficient and it is an open problem to find more efficient and direct constructions. In this paper, we propose two such constructions. Our first scheme, with signature size linear in the cardinality of the ring, is secure in the standard

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Phosphoglycerol geranylgeranyltransferase,e revocation of a member, while signers are not involved in the revocation. Thus, the schemes are suitable for mobile environments. Furthermore, the previously proposed schemes satisfy an important property, the backward unlinkability. It means that even after a member is revoked, signatures produce

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Tryptophan dimethylallyltransferase,h no ease in Korean second-hand PC markets. With careful scanning, we found that most of hard disks were not adequately cleaned, and had a plenty of confidential and sensitive personal data, which could be utilized in crimes like identity theft. Collected private data, analyzed based on the concept

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https://doi.org/10.1007/978-3-540-49755-4s no existing way to identify the signer who is responsible for or benefit from a disputed ring signature. In this paper, we address this issue by formalizing the notion of .. This new notion bridges the gap between the ring signature and group signature schemes. It enjoys the same advantage of ring

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