Systematic design of key establishment protocols based on one-way functions

1997 ◽  
Vol 144 (2) ◽  
pp. 93 ◽  
Author(s):  
C. Boyd ◽  
A. Mathuria
Keyword(s):  
Systematic Design ◽  
Key Establishment

scholarly journals Cryptanalysis of a Group Key Establishment Protocol

Symmetry ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 332
Author(s):  
Jorge Martínez Carracedo ◽  
Adriana Suárez Corona
Keyword(s):  
Forward Secrecy ◽  
Key Establishment ◽  
Group Key ◽  
Active Attack ◽  
Group Key Establishment

In this paper, we analyze the security of a group key establishment scheme proposed by López-Ramos et al. This proposal aims at allowing a group of users to agree on a common key. We present several attacks against the security of the proposed protocol. In particular, an active attack is presented, and it is also proved that the protocol does not provide forward secrecy.

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