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Details for article 8 of 9 found articles
| Title: |
On the Insecurity of an Identity Based Proxy Re-encryption Scheme |
| Author: |
Wang, Xu An Yang, Xiaoyuan |
| Appeared in: |
Fundamenta informaticae |
| Paging: | Volume 98 (2010) nr. 2-3 pages 277-281 |
| Year: |
2010-03-15 |
| Contents: |
At Pairing'07, Matsuo proposed two proxy re-encryption schemes: proxy re-encryption fromCBE to IBE and IBE to IBE. Now both schemes have been standardized by P1363.3workgroup. In this paper, we show that their identity based proxy re-encryption scheme is insecure. We give two attacks to this scheme. The first attack shows that the proxy can re-encrypt any IBE user's ciphertext to be the delegatee's ciphertext. The second attack implies that, if the proxy colludes with any delegatee, the proxy and this delegatee can derive any other IBE user's secret key. |
| Publisher: |
IOS Press |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 8 of 9 found articles
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