Provably Secure Timed-Release Public Key Encryption
ACM Transactions on Information and System Security (TISSEC)
Lossy trapdoor functions and their applications
STOC '08 Proceedings of the fortieth annual ACM symposium on Theory of computing
Secure public-key encryption scheme without random oracles
Information Sciences: an International Journal
Tweaking TBE/IBE to PKE Transforms with Chameleon Hash Functions
ACNS '07 Proceedings of the 5th international conference on Applied Cryptography and Network Security
Identity-based encryption with efficient revocation
Proceedings of the 15th ACM conference on Computer and communications security
Signcryption Scheme in Multi-user Setting without Random Oracles
IWSEC '08 Proceedings of the 3rd International Workshop on Security: Advances in Information and Computer Security
Generalized Identity Based and Broadcast Encryption Schemes
ASIACRYPT '08 Proceedings of the 14th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Chosen-Ciphertext Security via Correlated Products
TCC '09 Proceedings of the 6th Theory of Cryptography Conference on Theory of Cryptography
Practical Chosen Ciphertext Secure Encryption from Factoring
EUROCRYPT '09 Proceedings of the 28th Annual International Conference on Advances in Cryptology: the Theory and Applications of Cryptographic Techniques
On the Impossibility of Strong Encryption Over $\aleph_0$
IWCC '09 Proceedings of the 2nd International Workshop on Coding and Cryptology
Building Key-Private Public-Key Encryption Schemes
ACISP '09 Proceedings of the 14th Australasian Conference on Information Security and Privacy
Direct chosen-ciphertext secure identity-based key encapsulation without random oracles
Theoretical Computer Science
Chosen-Ciphertext Secure RSA-Type Cryptosystems
ProvSec '09 Proceedings of the 3rd International Conference on Provable Security
Efficient hybrid encryption from ID-based encryption
Designs, Codes and Cryptography
Chosen-ciphertext secure key-encapsulation based on gap hashed Diffie-Hellman
PKC'07 Proceedings of the 10th international conference on Practice and theory in public-key cryptography
Generic certificateless encryption in the standard model
IWSEC'07 Proceedings of the Security 2nd international conference on Advances in information and computer security
CCA2-secure threshold broadcast encryption with shorter ciphertexts
ProvSec'07 Proceedings of the 1st international conference on Provable security
Construction of a hybrid HIBE protocol secure against adaptive attacks: without random oracle
ProvSec'07 Proceedings of the 1st international conference on Provable security
CCA2 secure IBE: standard model efficiency through authenticated symmetric encryption
CT-RSA'08 Proceedings of the 2008 The Cryptopgraphers' Track at the RSA conference on Topics in cryptology
Attribute-based authenticated key exchange
ACISP'10 Proceedings of the 15th Australasian conference on Information security and privacy
Journal of Computer Science and Technology
Chosen-Ciphertext Security via Correlated Products
SIAM Journal on Computing
One-time signatures and Chameleon hash functions
SAC'10 Proceedings of the 17th international conference on Selected areas in cryptography
Parallel decryption queries in bounded chosen ciphertext attacks
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
Identity-based online/offline key encapsulation and encryption
Proceedings of the 6th ACM Symposium on Information, Computer and Communications Security
Identity-based encryption secure against selective opening attack
TCC'11 Proceedings of the 8th conference on Theory of cryptography
Efficient generic constructions of signcryption with insider security in the multi-user setting
ACNS'11 Proceedings of the 9th international conference on Applied cryptography and network security
Enhancing Attribute-Based Encryption with Attribute Hierarchy
Mobile Networks and Applications
TCC'10 Proceedings of the 7th international conference on Theory of Cryptography
Two is a crowd? a black-box separation of one-wayness and security under correlated inputs
TCC'10 Proceedings of the 7th international conference on Theory of Cryptography
TCC'10 Proceedings of the 7th international conference on Theory of Cryptography
Public-Key encryption from ID-Based encryption without one-time signature
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part I
Simple and efficient public-key encryption from computational diffie-hellman in the standard model
PKC'10 Proceedings of the 13th international conference on Practice and Theory in Public Key Cryptography
Encryption schemes secure against chosen-ciphertext selective opening attacks
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Bonsai trees, or how to delegate a lattice basis
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Adaptive trapdoor functions and chosen-ciphertext security
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
PQCrypto'10 Proceedings of the Third international conference on Post-Quantum Cryptography
On the limitations of the spread of an IBE-to-PKE transformation
PKC'06 Proceedings of the 9th international conference on Theory and Practice of Public-Key Cryptography
Chosen ciphertext security from identity-based encryption without strong condition
IWSEC'06 Proceedings of the 1st international conference on Security
Anonymity from asymmetry: new constructions for anonymous HIBE
CT-RSA'10 Proceedings of the 2010 international conference on Topics in Cryptology
Chosen-Ciphertext security from tag-based encryption
TCC'06 Proceedings of the Third conference on Theory of Cryptography
On the joint security of encryption and signature, revisited
ASIACRYPT'11 Proceedings of the 17th international conference on The Theory and Application of Cryptology and Information Security
Cryptography secure against related-key attacks and tampering
ASIACRYPT'11 Proceedings of the 17th international conference on The Theory and Application of Cryptology and Information Security
Constructing secure hybrid encryption from key encapsulation mechanism with authenticity
IMACC'11 Proceedings of the 13th IMA international conference on Cryptography and Coding
Generic construction of designated tester public-key encryption with keyword search
Information Sciences: an International Journal
TCC'12 Proceedings of the 9th international conference on Theory of Cryptography
Detecting dangerous queries: a new approach for chosen ciphertext security
EUROCRYPT'12 Proceedings of the 31st Annual international conference on Theory and Applications of Cryptographic Techniques
Distributed public key schemes secure against continual leakage
PODC '12 Proceedings of the 2012 ACM symposium on Principles of distributed computing
An ID-based cryptographic mechanisms based on GDLP and IFP
Information Processing Letters
Lossy Trapdoor Functions and Their Applications
SIAM Journal on Computing
On homomorphic encryption and chosen-ciphertext security
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Functional encryption for threshold functions (or fuzzy IBE) from lattices
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
From selective to full security: semi-generic transformations in the standard model
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Circular and KDM security for identity-based encryption
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
NTRUCCA: how to strengthen NTRUEncrypt to chosen-ciphertext security in the standard model
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Identity-based extractable hash proofs and their applications
ACNS'12 Proceedings of the 10th international conference on Applied Cryptography and Network Security
ICISC'11 Proceedings of the 14th international conference on Information Security and Cryptology
Certificateless public key encryption in the selective-ID security model
Pairing'07 Proceedings of the First international conference on Pairing-Based Cryptography
Direct chosen-ciphertext secure hierarchical ID-based encryption schemes
EuroPKI'07 Proceedings of the 4th European conference on Public Key Infrastructure: theory and practice
Symmetric inner-product predicate encryption based on three groups
ProvSec'12 Proceedings of the 6th international conference on Provable Security
Lattice-Based hierarchical inner product encryption
LATINCRYPT'12 Proceedings of the 2nd international conference on Cryptology and Information Security in Latin America
Designated condition one-time signatures
IDCS'12 Proceedings of the 5th international conference on Internet and Distributed Computing Systems
RKA security beyond the linear barrier: IBE, encryption and signatures
ASIACRYPT'12 Proceedings of the 18th international conference on The Theory and Application of Cryptology and Information Security
The k-BDH assumption family: bilinear map cryptography from progressively weaker assumptions
CT-RSA'13 Proceedings of the 13th international conference on Topics in Cryptology
Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security
How to share a lattice trapdoor: threshold protocols for signatures and (H)IBE
ACNS'13 Proceedings of the 11th international conference on Applied Cryptography and Network Security
Publicly verifiable ciphertexts
Journal of Computer Security - Advances in Security for Communication Networks
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We propose simple and efficient CCA-secure public-key encryption schemes (i.e., schemes secure against adaptive chosen-ciphertext attacks) based on any identity-based encryption (IBE) scheme. Our constructions have ramifications of both theoretical and practical interest. First, our schemes give a new paradigm for achieving CCA-security; this paradigm avoids “proofs of well-formedness” that have been shown to underlie previous constructions. Second, instantiating our construction using known IBE constructions we obtain CCA-secure encryption schemes whose performance is competitive with the most efficient CCA-secure schemes to date. Our techniques extend naturally to give an efficient method for securing IBE schemes (even hierarchical ones) against adaptive chosen-ciphertext attacks. Coupled with previous work, this gives the first efficient constructions of CCA-secure IBE schemes.