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New Revocable IBE in Prime-Order Groups: Adaptively Secure, Decryption Key Exposure Resistant, and with Short Public Parameters
Revocable identity-based encryption static assumptions asymmetric pairings
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2016/12/7
Revoking corrupted users is a desirable functionality for cryptosystems. Since Boldyreva,
Goyal, and Kumar (ACM CCS 2008) proposed a notable result for scalable revocation method in
identity-based e...
Self-Updatable Encryption with Short Public Parameters and Its Extensions
Public-key encryption Self-updatable encryption Ciphertext delegation
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2016/1/23
Cloud storage is very popular since it has many advantages, but there is a new threat to cloud storage that was not considered before. Self-updatable encryption that updates a past ciphertext to a fu...
On (Hierarchical) Identity Based Encryption Protocols with Short Public Parameters
Identity Based Encryption Protocols Short Public Parameters
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2008/12/12
At Eurocrypt 2005, Waters proposed an efficient identity based encryption (IBE) scheme. One drawback of this scheme is that the size of the public parameter is rather large. Our first contribution is ...
On (Hierarchical) Identity Based Encryption Protocols with Short Public Parameters
Identity Encryption Protocols Short Public Parameters
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2008/12/11
At Eurocrypt 2005, Waters proposed an efficient identity based encryption (IBE) scheme. One drawback of this scheme is that the size of the public parameter is rather large. Our first contribution is ...