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» Black-box accountable authority identity-based encryption
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PKC
2009
Springer
131views Cryptology» more  PKC 2009»
14 years 5 months ago
Towards Black-Box Accountable Authority IBE with Short Ciphertexts and Private Keys
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...
Benoît Libert, Damien Vergnaud
CCS
2008
ACM
13 years 6 months ago
Black-box accountable authority identity-based encryption
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...
Vipul Goyal, Steve Lu, Amit Sahai, Brent Waters
CRYPTO
2007
Springer
130views Cryptology» more  CRYPTO 2007»
13 years 10 months ago
Reducing Trust in the PKG in Identity Based Cryptosystems
One day, you suddenly find that a private key corresponding to your Identity is up for sale at e-Bay. Since you do not suspect a key compromise, perhaps it must be the PKG who is...
Vipul Goyal
ACNS
2008
Springer
138views Cryptology» more  ACNS 2008»
13 years 11 months ago
Traceable and Retrievable Identity-Based Encryption
Abstract. Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. ...
Man Ho Au, Qiong Huang, Joseph K. Liu, Willy Susil...