On the (Im)possibility of Obfuscating Programs
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
Efficient Algorithms for Pairing-Based Cryptosystems
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Efficient Identification and Signatures for Smart Cards
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
Efficient Group Signature Schemes for Large Groups (Extended Abstract)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
A Practical Public Key Cryptosystem Provably Secure Against Adaptive Chosen Ciphertext Attack
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
Secure Integration of Asymmetric and Symmetric Encryption Schemes
CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
Zero-Knowledge and Code Obfuscation
ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
How to Enhance the Security of Public-Key Encryption at Minimum Cost
PKC '99 Proceedings of the Second International Workshop on Practice and Theory in Public Key Cryptography
A Practical and Provably Secure Coalition-Resistant Group Signature Scheme
CRYPTO '00 Proceedings of the 20th Annual International Cryptology Conference on Advances in Cryptology
SELS: a secure e-mail list service
Proceedings of the 2005 ACM symposium on Applied computing
On the Impossibility of Obfuscation with Auxiliary Input
FOCS '05 Proceedings of the 46th Annual IEEE Symposium on Foundations of Computer Science
Improved proxy re-encryption schemes with applications to secure distributed storage
ACM Transactions on Information and System Security (TISSEC)
ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security
Abuse Freedom in Access Control Schemes
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 02
Towards a secure and interoperable DRM architecture
Proceedings of the ACM workshop on Digital rights management
Chosen-ciphertext secure proxy re-encryption
Proceedings of the 14th ACM conference on Computer and communications security
Identity-Based Proxy Re-encryption
ACNS '07 Proceedings of the 5th international conference on Applied Cryptography and Network Security
Chosen-Ciphertext Secure Proxy Re-encryption without Pairings
CANS '08 Proceedings of the 7th International Conference on Cryptology and Network Security
Public-key cryptosystems based on composite degree residuosity classes
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
Practical threshold signatures
EUROCRYPT'00 Proceedings of the 19th international conference on Theory and application of cryptographic techniques
Securely obfuscating re-encryption
TCC'07 Proceedings of the 4th conference on Theory of cryptography
Unidirectional chosen-ciphertext secure proxy re-encryption
PKC'08 Proceedings of the Practice and theory in public key cryptography, 11th international conference on Public key cryptography
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
Secure multicast using proxy encryption
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
Privacy for public transportation
PET'06 Proceedings of the 6th international conference on Privacy Enhancing Technologies
Identity-based proxy re-encryption without random oracles
ISC'07 Proceedings of the 10th international conference on Information Security
Conditional Proxy Broadcast Re-Encryption
ACISP '09 Proceedings of the 14th Australasian Conference on Information Security and Privacy
Efficient Conditional Proxy Re-encryption with Chosen-Ciphertext Security
ISC '09 Proceedings of the 12th International Conference on Information Security
Anonymous Conditional Proxy Re-encryption without Random Oracle
ProvSec '09 Proceedings of the 3rd International Conference on Provable Security
Multi-use and unidirectional identity-based proxy re-encryption schemes
Information Sciences: an International Journal
New constructions for identity-based unidirectional proxy re-encryption
Journal of Computer Science and Technology
New identity-based proxy re-encryption schemes to prevent collusion attacks
Pairing'10 Proceedings of the 4th international conference on Pairing-based cryptography
On the security of a bidirectional proxy re-encryption scheme from PKC 2010
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
EuroPKI'10 Proceedings of the 7th European conference on Public key infrastructures, services and applications
Unforgeability of re-encryption keys against collusion attack in proxy re-encryption
IWSEC'11 Proceedings of the 6th International conference on Advances in information and computer security
Efficient bidirectional proxy re-encryption with direct chosen-ciphertext security
Computers & Mathematics with Applications
Further observation on proxy re-encryption with keyword search
Journal of Systems and Software
Achieving key privacy without losing CCA security in proxy re-encryption
Journal of Systems and Software
Hierarchical conditional proxy re-encryption
Computer Standards & Interfaces
CCA proxy re-encryption without bilinear maps in the standard model
PKC'10 Proceedings of the 13th international conference on Practice and Theory in Public Key Cryptography
Efficient unidirectional proxy re-encryption
AFRICACRYPT'10 Proceedings of the Third international conference on Cryptology in Africa
Chosen-Ciphertext secure certificateless proxy re-encryption
CMS'10 Proceedings of the 11th IFIP TC 6/TC 11 international conference on Communications and Multimedia Security
Addressing leakage of re-encryption key in proxy re-encryption using trusted computing
INTRUST'10 Proceedings of the Second international conference on Trusted Systems
Generic construction of chosen ciphertext secure proxy re-encryption
CT-RSA'12 Proceedings of the 12th conference on Topics in Cryptology
Information Sciences: an International Journal
Security and Communication Networks
Anonymous ID-based proxy re-encryption
ACISP'12 Proceedings of the 17th Australasian conference on Information Security and Privacy
Fully secure unidirectional identity-based proxy re-encryption
ICISC'11 Proceedings of the 14th international conference on Information Security and Cryptology
Chosen-ciphertext secure anonymous conditional proxy re-encryption with keyword search
Theoretical Computer Science
Identity-based data storage in cloud computing
Future Generation Computer Systems
Towards secure mobile cloud computing: A survey
Future Generation Computer Systems
On the security of two multi-use CCA-secure proxy re-encryption schemes
International Journal of Intelligent Information and Database Systems
The Journal of Supercomputing
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In a proxy re-encryption scheme, a semi-trusted proxy can transform a ciphertext under Alice's public key into another ciphertext that Bob can decrypt. However, the proxy cannot access the plaintext. Due to its transformation property, proxy re-encryption can be used in many applications, such as encrypted email forwarding. In this paper, by using signature of knowledge and Fijisaki-Okamoto conversion, we propose a proxy re-encryption scheme without pairings, in which the proxy can only transform the ciphertext in one direction. The proposal is secure against chosen ciphertext attack (CCA) and collusion attack in the random oracle model based on Decisional Diffie-Hellman (DDH) assumption over $\mathbb{Z}_{N^2}^*$ and integer factorization assumption, respectively. To the best of our knowledge, it is the first unidirectional PRE scheme with CCA security and collusion-resistance.