Special Section on Cryptography and Information Security
Analysis of an Identity-Based Signcryption Scheme in the Standard Model
2011 Volume E94.A Issue 1 Pages 268-269
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2011 Volume E94.A Issue 1 Pages 268-269
Recently, Jin, Wen, and Du proposed an identity-based signcryption scheme in the standard model. In this letter, we show that their scheme does not have the indistinguishability against adaptive chosen ciphertext attacks and existential unforgeability against adaptive chosen messages attacks.
