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TitleA commutative encryption scheme based on ElGamal encryption
CreatorHuang, K.;Tso, Ray-Lin
左瑞麟
Contributor資科系
Key WordsCiphertexts; Commutative encryption; Computational results; Database integration; Diffie-Hellman key exchange; Elgamal encryption; Encryption system; Plaintext; Public keys; Random Oracle model; Real-life applications; Secret sharing; Security proofs; Intelligent control; Security of data; Public key cryptography
Date2012
Date Issued10-Apr-2015 16:38:21 (UTC+8)
SummaryA commutative encryption is a kind of an encryption system that enables a plaintext to be encrypted more than once using different users` public keys. In this system, decryption is not required before the encryption/re-encryption processes. Moreover, the resulted ciphertext can be decrypted by the designated decrypters without considering the order of public keys used in the encryption/re-encryption processes. In other words, the order of keys used in encryption and in decryption do not affect the computational result. Commutative encryption scheme is found useful in many real life applications such as in secret sharing, database integration and etc. However, regardless of its usefulness, few paper demonstrates how to construct such kind of a commutative encryption. In this paper, we propose a new commutative encryption scheme based on the ElGamel encryption and provide the security proof in the random oracle model. © 2012 IEEE.
RelationProceedings - 3rd International Conference on Information Security and Intelligent Control, ISIC 2012
10.1109/ISIC.2012.6449730
Typeconference
DOI http://dx.doi.org/10.1109/ISIC.2012.6449730
dc.contributor 資科系
dc.creator (作者) Huang, K.;Tso, Ray-Lin
dc.creator (作者) 左瑞麟zh_TW
dc.date (日期) 2012
dc.date.accessioned 10-Apr-2015 16:38:21 (UTC+8)-
dc.date.available 10-Apr-2015 16:38:21 (UTC+8)-
dc.date.issued (上傳時間) 10-Apr-2015 16:38:21 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/74476-
dc.description.abstract (摘要) A commutative encryption is a kind of an encryption system that enables a plaintext to be encrypted more than once using different users` public keys. In this system, decryption is not required before the encryption/re-encryption processes. Moreover, the resulted ciphertext can be decrypted by the designated decrypters without considering the order of public keys used in the encryption/re-encryption processes. In other words, the order of keys used in encryption and in decryption do not affect the computational result. Commutative encryption scheme is found useful in many real life applications such as in secret sharing, database integration and etc. However, regardless of its usefulness, few paper demonstrates how to construct such kind of a commutative encryption. In this paper, we propose a new commutative encryption scheme based on the ElGamel encryption and provide the security proof in the random oracle model. © 2012 IEEE.
dc.format.extent 176 bytes-
dc.format.mimetype text/html-
dc.relation (關聯) Proceedings - 3rd International Conference on Information Security and Intelligent Control, ISIC 2012
dc.relation (關聯) 10.1109/ISIC.2012.6449730
dc.subject (關鍵詞) Ciphertexts; Commutative encryption; Computational results; Database integration; Diffie-Hellman key exchange; Elgamal encryption; Encryption system; Plaintext; Public keys; Random Oracle model; Real-life applications; Secret sharing; Security proofs; Intelligent control; Security of data; Public key cryptography
dc.title (題名) A commutative encryption scheme based on ElGamal encryption
dc.type (資料類型) conferenceen
dc.identifier.doi (DOI) 10.1109/ISIC.2012.6449730en_US
dc.doi.uri (DOI) http://dx.doi.org/10.1109/ISIC.2012.6449730en_US