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Expressive Key-Policy Attribute-Based Encryption with Constant-Size Ciphertexts [chapter]

Nuttapong Attrapadung, Benoît Libert, Elie de Panafieu
2011 Lecture Notes in Computer Science  
This paper proposes the first key-policy attribute-based encryption (KP-ABE) schemes allowing for non-monotonic access structures (i.e., that may contain negated attributes) and with constant ciphertext  ...  KP-ABE realization with constant-size ciphertexts.  ...  In the context of key-policy attribute-based encryption, this paper aims at devising schemes with constant-size ciphertexts 5 (regardless of the number of ciphertext attributes) allowing for as expressive  ... 
doi:10.1007/978-3-642-19379-8_6 fatcat:mrkchng2mvcunla4gz6kriesli

Computationally Efficient Expressive Key-Policy Attribute Based Encryption Schemes with Constant-Size Ciphertext [chapter]

Y. Sreenivasa Rao, Ratna Dutta
2013 Lecture Notes in Computer Science  
In this paper, we present two attribute based encryption (ABE) schemes for monotone access structure (MAS) in the key-policy setting, where secret key is generated according to a MAS, ciphertext is associated  ...  Based Encryption (ABE) [1,2,3] if one of the parameters for ciphertext and secret key is a tuple of attributes, and the other is an access structure or monotone span program over a set of attributes, wherein  ...  [8] is a major step forward in designing expressive KP-ABE schemes with constant-size ciphertexts. Background Notation.  ... 
doi:10.1007/978-3-319-02726-5_25 fatcat:t4zfcmvuqba57ijec7gkw4zwsa


Nurhidayah Muhammad, Jasni Mohamad Zain
Therefore we propose a lightweight Ciphertext Policy-Attribute Based Encryption (CP-ABE) algorithm to implement in IoT devices.  ...  Cryptography with lightweight features is one of the focus area by researchers to develop a powerful cryptography scheme for IoT devices.  ...  Schemes with constant size ciphertexts (Zhang et al., 2014) , (Emura et al., 2009) , (Herranz et al., 2010) and constant size secret keys (Emura et al., 2009) , (Guo et al., 2014) with an expressive  ... 
doi:10.24191/mjoc.v4i1.6107 fatcat:hovykfn7tjghpd44xdhf5jqwui

An Efficient Key-Policy Attribute-Based Encryption Scheme with Constant Ciphertext Length

Changji Wang, Jianfa Luo
2013 Mathematical Problems in Engineering  
Key-policy attribute-based encryption (KP-ABE) is an important type of ABE, which enables senders to encrypt messages under a set of attributes and private keys are associated with access structures that  ...  In this paper, we propose a new KP-ABE construction with constant ciphertext size. In our construction, the access policy can be expressed as any monotone access structure.  ...  Acknowledgments This research is jointly funded by the National Natural Science Foundation of China (Grant no. 61173189) and the Guangdong Province Information Security Key Laboratory Project.  ... 
doi:10.1155/2013/810969 fatcat:jp2467xlrfh3lkxxte2ktjxxfi

Improving Security in Multi Authority Attribute Based Encryption with Fast Decryption

Nikita Gorasia, R.R. Srikanth, Nishant Doshi, Jay Rupareliya
2016 Procedia Computer Science  
Attribute Based Encryption (ABE) is a type of public encryption in decryptor can only decrypt the ciphertext if its attributes of secret key matches the attributes of ciphertext but functionality comes  ...  In this paper, a secure multi authority attribute based encryption with fast decryption scheme is design.  ...  [3] propose a new scheme for chosen ciphertext secure ciphertext policy attribute based encryption scheme with constant size ciphertext and t of n threshold policy.  ... 
doi:10.1016/j.procs.2016.03.080 fatcat:4xe2wa3c2zd7dpb443lppeqjva

A Novel Constant size Cipher-text Scheme for Security in Real-time Systems

M. Dhivya, S. Venkatraman, Tina Belinda Miranda
2015 International Journal of Computer Applications Technology and Research  
However, current 'secure attribute based system with short ciphertext' schemes suffer from the issue of having long decryption keys, in which the size is linear to and dependent on the number of attributes.Ciphertext-Policy  ...  We propose a novel 'secure attribute based system with short ciphertext' scheme with constantsize decryption keys independent of the number of attributes.  ...  Based on the key only, attributes are encrypted and provide the cipher text values. Encryption is done independent on number of attributes with constant size decryption keys.  ... 
doi:10.7753/ijcatr0405.1002 fatcat:ue6ixv7kuvhxnhfqij6zi7aywy

Analysis of attribute-based cryptographic techniques and their application to protect cloud services

Sana Belguith, Nesrine Kaaniche, Mohammad Hammoudeh
2019 Transactions on Emerging Telecommunications Technologies  
Attribute based cryptography is commonly used to provide encrypted and/or authenticated access to outsourced data in remote servers.  ...  In addition, we explore the limitations of existing attribute based cryptographic mechanisms and propose future research directions to better fit the growing needs of this cloud environment in terms of  ...  Waters et al. presented a SA-CP-ABE scheme with short ciphertext that uses an expressive access policy 27 . The ciphertext size increases linearly with the access structure's size.  ... 
doi:10.1002/ett.3667 fatcat:eu7rs5halbefrmbiipbf6t7c7e

On efficient ciphertext-policy attribute based encryption and broadcast encryption

Zhibin Zhou, Dijiang Huang
2010 Proceedings of the 17th ACM conference on Computer and communications security - CCS '10  
Ciphertext Policy Attribute Based Encryption (CP-ABE) enforces an expressive data access policy, which consists of a number of attributes connected by logical gates.  ...  In this paper, we proposed a new construction of CP-ABE, named Constant-size CP-ABE (denoted as CCP-ABE) that significantly reduces the ciphertext to a constant size for an AND gate access policy with  ...  In this paper, we propose a novel CP-ABE construction, named Constant-size Ciphertext Policy Attribute Based Encryption (CCP-ABE), which incurs constant-size of ciphertext, regardless of the number of  ... 
doi:10.1145/1866307.1866420 dblp:conf/ccs/ZhouH10 fatcat:wrjs6jlrjjcipfv323cc26xmdi

Constant Ciphertext Length in CP-ABE [article]

Nishant Doshi, Devesh Jinwala
2012 arXiv   pre-print
Ciphertext policy attribute based encryption (CP-ABE) is a technique in which user with secret key containing attributes, only able to decrypt the message if the attributes in the policy match with the  ...  The existing methods that use reasonably computable decryption policies produce the ciphertext of size at least linearly varying with the number of attributes with additional pairing operations during  ...  Key Policy Attribute Based Encryption (KP-ABE) and Ciphertext Policy Attribute Based Encryption (CP-ABE).  ... 
arXiv:1208.5991v2 fatcat:d2cvhg5krnb7jomuiaz4qfyune

Lightweight Attribute-based Encryption Supporting Access Policy Update for Cloud Assisted IoT

Sana Belguith, Nesrine Kaaniche, Giovanni Russello
2018 Proceedings of the 15th International Joint Conference on e-Business and Telecommunications  
Third, ciphertexts received by the end-user are constant sized and independent from the number of attributes used in the access policy which affords low communication and storage costs.  ...  In this paper, we design PU-ABE, a new variant of key policy attribute based encryption supporting efficient access policy update that captures attributes addition and revocation to access policies.  ...  Several expressive Key policy attribute based encryption schemes with constant ciphertext size have been designed (Attrapadung et al., 2012; Wang and Luo, 2012; Emura et al., 2009 ). Wang et al.  ... 
doi:10.5220/0006854603010312 dblp:conf/icete/BelguithKR18 fatcat:fxzcf6r55zcl3prcdljwbudqqe

Categorical Heuristic for Attribute Based Encryption in the Cloud Server

R Brindha, R Rajagopal
2014 International Journal of Computer Trends and Technology  
Attribute-based encryption (ABE) is a public-key based one-to-many encryption that allows users to encrypt and decrypt data based on user attributes.  ...  A promising application of ABE is flexible access control of encrypted data stored in the cloud, using access polices and ascribed attributes associated with private keys and Ciphertexts.  ...  Attribute-Based Encryption schemes with constant-size ciphertexts ABE as introduced Sahai and Waters, allows for fine-grained access control on encrypted data.  ... 
doi:10.14445/22312803/ijctt-v9p115 fatcat:ymn4kycumbdl7eh4jpcf7qdgly

Constant Size Ciphertexts in Threshold Attribute-Based Encryption [chapter]

Javier Herranz, Fabien Laguillaumie, Carla Ràfols
2010 Lecture Notes in Computer Science  
All current attribute-based encryption schemes that admit reasonably expressive decryption policies produce ciphertexts whose size depends at least linearly on the number of attributes involved in the  ...  In a ciphertextpolicy attribute-based encryption scheme, the secret keys of the users depend on their attributes.  ...  Conclusion We have proposed in this paper the first (reasonably expressive) attribute-based encryption scheme with constant size ciphertexts.  ... 
doi:10.1007/978-3-642-13013-7_2 fatcat:5q2zjpqd5zcgjmse7whc52ufey

CUPS: Secure opportunistic cloud of things framework based on attribute‐based encryption scheme supporting access policy update

Sana Belguith, Nesrine Kaaniche, Giovanni Russello
2019 Security and Privacy  
Moreover, CUPS provides the access policy update feature with neither involving a proxy-server, nor re-encrypting the enciphered data contents and re-distributing the users' secret keys.  ...  Attribute Based Encryption is a promising cryptographic mechanism suitable for distributed environments, providing flexible access control to encrypted data contents.  ...  Several expressive KP-ABE schemes with constant ciphertext size have been designed 38, 39, 43 . Wang et al. 39 have proposed a KP-ABE scheme with constant ciphertext size.  ... 
doi:10.1002/spy2.85 fatcat:vzew5iosffekpcduhdkeexb64u

CP-ABE With Constant-Size Keys for Lightweight Devices

Fuchun Guo, Yi Mu, Willy Susilo, Duncan S. Wong, Vijay Varadharajan
2014 IEEE Transactions on Information Forensics and Security  
Ciphertext-policy attribute-based encryption (CP-ABE) is a promising cryptographic tool where the encryptor can decide the access structure that will be used to protect the sensitive data.  ...  We propose a novel CP-ABE scheme with constant-size decryption keys independent of the number of attributes. We found that the size can be as small as 672 bits.  ...  The comparison shows that our scheme is the only expressive CP-ABE with constant-size decryption keys.  ... 
doi:10.1109/tifs.2014.2309858 fatcat:526nlts7ibbazixvknx4onbllm

Optimized Ciphertext-Policy Attribute-Based Encryption with Efficient Revocation

Yang Li, Jianming Zhu, Xiuli Wang, Yanmei Chai, Shuai Shao
2013 International Journal of Security and Its Applications  
In this work, we design a method for efficient revocation within Ciphertext-Policy Attribute-Based Encryption scheme.  ...  The efficiency is also optimized that the size of user's private key has only a constant increase.  ...  Efficiency Comparison Our scheme Conclusion In this work, we design a method for efficient revocation within Ciphertext-Policy Attribute-Based Encryption scheme.  ... 
doi:10.14257/ijsia.2013.7.6.38 fatcat:mol5j52gqbc5vgrl2nxkjhnaui
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