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|Type:||Artigo de evento|
|Title:||Two Notes On The Security Of Certificateless Signatures|
|Abstract:||We discuss two common pitfalls found in proofs of security of various certificateless signature (CLS) schemes. As a result of the first observation, we are able to show that a CLS scheme ([Goy06]), previously thought to be secure, is vulnerable to a key replacement attack. We then proceed to define a class of CLS schemes whose security is provable by standard techniques, leading to a more efficient version of a known CLS scheme ([ARP03]) and a (previously unknown) security proof for another ([LCS05]). © Springer-Verlag Berlin Heidelberg 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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