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Identity-Based Encryption Gone Wild [PDF]
, 2006 In this paper we introduce the notion of identity based encryption with wildcards, or WIBE for short. This allows the encryption of messages to multiple parties with common fields in their identity strings, for example email groups in a corporate hierarchy.
ABDALLA MICHEL +5 more
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Identity-Based Format-Preserving Encryption [PDF]
Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, 2017 We introduce identity-based format-preserving encryption (IB-FPE) as a way to localize and limit the damage to format-preserving encryption (FPE) from key exposure. We give definitions, relations between them, generic attacks and two transforms of FPE schemes to IB-FPE schemes.
Mihir Bellare, Viet Tung Hoang
core +5 more sources
Complete Robustness in Identity-Based Encryption
, 2014 Complete robustness (CROB) was proposed to guarantee that for a public key encryption scheme, decryption attempts will fail with high probability if the wrong decryption key is used to decrypt a ciphertext, even if the keys are maliciously generated by the adversary.
Hui Cui 0001, Yi Mu 0001, Man Ho Au
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Efficient biometric identity-based encryption
Information Sciences, 2018Abstract As a special case of public key encryption, identity-based encryption (IBE) takes any public known information as public key for encryption and then decrypts a ciphertext by a well-generated private key from private key generator (PKG). Unlike the traditional IBE using a text-based identity (e-mail, etc.) as public key, in this paper, we aim
Shangwei Guo, Tao Xiang
exaly +3 more sources
Scalable Wildcarded Identity-Based Encryption [PDF]
, 2018 Wildcarded identity-based encryption allows a sender to simultaneously encrypt messages to a group of users matching a certain pattern, defined as a sequence of identifiers and wildcards. We propose a new wildcarded identity-based encryption scheme with generalized key delegation, which reduces the ciphertext size to be constant.
Jihye Kim 0001 +3 more
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A tapestry of identity-based encryption: practical frameworks compared [PDF]
International Journal of Applied Cryptography, 2008 This paper surveys the practical benefits and drawbacks of several identity-based encryption schemes based on bilinear pairings. After providing some background on identity-based cryptography, we classify the known constructions into a handful of general
Xavier Boyen
exaly +2 more sources
Identity-Based Encryption and Hierarchical Identity-Based Encryption
2009We take a bird's eye view of different identity-based encryption (IBE) and hierarchical identity-based encryption (HIBE) protocols that are available in the literature and use bilinear pairing as the principal building block. We start with the seminal work on IBE by Boneh-Franklin.
Chatterjee Sanjit, Sarkar Palash
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Threshold Identity-Based Broadcast Encryption from Identity-Based Encryption
2012In threshold identity-based encryption, a sender encrypts a message under identities of a pool of users and assigns a threshold t to the ciphertext, and sends the resulting ciphertext to these users. The cooperation of at least t users among them is required to decrypt the given ciphertext.
Ki Tak Kim +4 more
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Identity based encryption with equality test
Information Security Journal: A Global Perspective, 2020In this research work, we propose a notion of identity-based encryption scheme with equality Test (IBE-ET).
Jennifer Batamuliza +1 more
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Identity-Based Group Encryption
2016Cloud computing makes it easy for people to share files anywhere and anytime with mobile end devices. There is a privacy issue in such applications even if the files are encrypted. Specially, the public keys or identities of the receivers will be exposed to the cloud server or hackers.
Xiling Luo +7 more
openaire +2 more sources