Comment: Cryptanalysis of Lee-Hwang-Li's key authentication scheme

Da Zhi Sun; Zhen Fu Cao; Yu Sun

doi:10.1016/j.amc.2004.04.098

Comment: Cryptanalysis of Lee-Hwang-Li's key authentication scheme

Da Zhi Sun^*
, Zhen Fu Cao
, Yu Sun

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Recently, Zhang and Kim proposed an improved key authentication scheme [Appl. Math. Comput., in press]. Zhang and Kim claimed that the proposed key authentication scheme achieves the non-repudiation service. However, we show that a dishonest user can forge his public key via the verification equation. Hence this scheme cannot achieve the non-repudiation service like the previous variants.

Original language	English
Pages (from-to)	675-678
Number of pages	4
Journal	Applied Mathematics and Computation
Volume	164
Issue number	3
DOIs	https://doi.org/10.1016/j.amc.2004.04.098
State	Published - 25 May 2005
Externally published	Yes

Keywords

Key authentication
Non-repudiation
Public key

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10.1016/j.amc.2004.04.098

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title = "Comment: Cryptanalysis of Lee-Hwang-Li's key authentication scheme",

abstract = "Recently, Zhang and Kim proposed an improved key authentication scheme [Appl. Math. Comput., in press]. Zhang and Kim claimed that the proposed key authentication scheme achieves the non-repudiation service. However, we show that a dishonest user can forge his public key via the verification equation. Hence this scheme cannot achieve the non-repudiation service like the previous variants.",

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AU - Sun, Da Zhi

AU - Cao, Zhen Fu

AU - Sun, Yu

PY - 2005/5/25

Y1 - 2005/5/25

N2 - Recently, Zhang and Kim proposed an improved key authentication scheme [Appl. Math. Comput., in press]. Zhang and Kim claimed that the proposed key authentication scheme achieves the non-repudiation service. However, we show that a dishonest user can forge his public key via the verification equation. Hence this scheme cannot achieve the non-repudiation service like the previous variants.

AB - Recently, Zhang and Kim proposed an improved key authentication scheme [Appl. Math. Comput., in press]. Zhang and Kim claimed that the proposed key authentication scheme achieves the non-repudiation service. However, we show that a dishonest user can forge his public key via the verification equation. Hence this scheme cannot achieve the non-repudiation service like the previous variants.

KW - Key authentication

KW - Non-repudiation

KW - Public key

UR - https://www.scopus.com/pages/publications/16344368495

U2 - 10.1016/j.amc.2004.04.098

DO - 10.1016/j.amc.2004.04.098

M3 - 文章

AN - SCOPUS:16344368495

SN - 0096-3003

VL - 164

SP - 675

EP - 678

JO - Applied Mathematics and Computation

JF - Applied Mathematics and Computation

IS - 3

ER -

Comment: Cryptanalysis of Lee-Hwang-Li's key authentication scheme

Abstract

Keywords

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