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Practical Identity-Based Encryption (IBE) in Multiple-PKG Environments and Its Applications
identity-based encryption (IBE) multiple-PKG environments public key encryption (PKE) escrowed ElGamal
2008/9/9
Identity-based encryption (IBE) schemes are usually used in multiple-
PKG environments on the one hand, each administrative domain (e.g., a
relatively small and close organization) maintains its own...
Space-Efficient Identity Based Encryption Without Pairings
Space-Efficient Identity Based Encryption Pairings
2008/8/28
Identity Based Encryption (IBE) systems are often constructed using bilinear maps (a.k.a.
pairings) on elliptic curves. One exception is an elegant system due to Cocks which builds an
IBE based on t...
Generalized Key Delegation for Hierarchical Identity-Based Encryption
Cryptographic protocols Hierarchical identity-based encryption key delegationbroadcast cryption
2008/8/22
In this paper, we introduce a new primitive called identity-based encryption with wild-
card key derivation (WKD-IBE, or “wicked IBE”) that enhances the concept of hierarchical
identity-based encryp...
Blind Identity-Based Encryption and Simulatable Oblivious Transfer
Identity-Based Encryption Simulatable Oblivious Transfer
2008/8/21
In an identity-based encryption (IBE) scheme, there is a key extraction protocol where a user
submits an identity string to a master authority who then returns the corresponding secret key
for that ...
SECURITY PROOF FOR SHENGBAO WANG S IDENTITY-BASED ENCRYPTION SCHEME
Public Key Encryption Identity-Based Encryption (IBE) One-Way Encryption (OWE)
2008/5/30
This paper analyzes the security of an IBE scheme proposed by Wang in 2007.
It is shown that under BDHP (which is polynomially time equivalent to BIDHP)
assumption the scheme is secure in random ora...
Proxy Re-encryption Systems for Identity-based Encryption
proxy re-encryption system public key encryption identitybased encryption
2008/5/28
A proxy re-encryption system allows the proxy to transform
ciphertexts encrypted under Alice’s public key into the different ciphertexts
that can be decrypted by Bob’s secret key. In this paper, we ...
Structural Identity-Based Encryption
HIBE SIBE
2008/5/22
In this paper, we introduce the concept of structural identity-
based encryption (SIBE). Similar to hierarchical identity-based encryp-
tion (HIBE), entities in the system are organized into hierar...
On the Relations Between Non-Interactive Key Distribution,Identity-Based Encryption and Trapdoor Discrete Log Groups
Identity-based encryption identity-based non-interactive key distribution trapdoor dis-crete logs.
2008/5/21
We investigate the relationships between identity-based non-interactive key distribution and identity-based encryption. We provide constructions for these schemes that make use of general trapdoor di...