Certificate-based hybrid encryption scheme in the standard model

For construction a public cryptosystem that requiring fewer infrastructures than public key infrastructure(PKI),a certificate-based public-key encryption(CBE) scheme was proposed by Gentry.In CBE scheme,a certification was signed by a third part on an applicant’s public key or identity and sent to t...

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Main Authors: KANG Li, TANG Xiao-hu, FAN Jia
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2009-01-01
Series:Tongxin xuebao
Subjects:
Online Access:http://www.joconline.com.cn/zh/article/74650476/
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author KANG Li
TANG Xiao-hu
FAN Jia
author_facet KANG Li
TANG Xiao-hu
FAN Jia
author_sort KANG Li
collection DOAJ
description For construction a public cryptosystem that requiring fewer infrastructures than public key infrastructure(PKI),a certificate-based public-key encryption(CBE) scheme was proposed by Gentry.In CBE scheme,a certification was signed by a third part on an applicant’s public key or identity and sent to the applicant,the applicant saved it and used it as partial private key(decryption key).A receiver wanted to decrypt a ciphertext,the certification was needed from the third party and his own public-private keys,so CBE combined the best aspects of identity-based encryption(implicit cer-tification) and public key encryption(no escrow).A new efficient certificate-based hybrid encryption scheme with short public key was proposed,which based on Gentry’s identity-based encryption scheme,the new scheme can be proved re-sistance adaptive chosen ciphertext attack in the standard model(without random oracle).
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institution Kabale University
issn 1000-436X
language zho
publishDate 2009-01-01
publisher Editorial Department of Journal on Communications
record_format Article
series Tongxin xuebao
spelling doaj-art-f42ef0dbbd2e446d8abeceed2ef4c5b42025-01-14T08:29:07ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2009-01-0130131874650476Certificate-based hybrid encryption scheme in the standard modelKANG LiTANG Xiao-huFAN JiaFor construction a public cryptosystem that requiring fewer infrastructures than public key infrastructure(PKI),a certificate-based public-key encryption(CBE) scheme was proposed by Gentry.In CBE scheme,a certification was signed by a third part on an applicant’s public key or identity and sent to the applicant,the applicant saved it and used it as partial private key(decryption key).A receiver wanted to decrypt a ciphertext,the certification was needed from the third party and his own public-private keys,so CBE combined the best aspects of identity-based encryption(implicit cer-tification) and public key encryption(no escrow).A new efficient certificate-based hybrid encryption scheme with short public key was proposed,which based on Gentry’s identity-based encryption scheme,the new scheme can be proved re-sistance adaptive chosen ciphertext attack in the standard model(without random oracle).http://www.joconline.com.cn/zh/article/74650476/certificate-based encryptionidentity-based encryptionstandard model
spellingShingle KANG Li
TANG Xiao-hu
FAN Jia
Certificate-based hybrid encryption scheme in the standard model
Tongxin xuebao
certificate-based encryption
identity-based encryption
standard model
title Certificate-based hybrid encryption scheme in the standard model
title_full Certificate-based hybrid encryption scheme in the standard model
title_fullStr Certificate-based hybrid encryption scheme in the standard model
title_full_unstemmed Certificate-based hybrid encryption scheme in the standard model
title_short Certificate-based hybrid encryption scheme in the standard model
title_sort certificate based hybrid encryption scheme in the standard model
topic certificate-based encryption
identity-based encryption
standard model
url http://www.joconline.com.cn/zh/article/74650476/
work_keys_str_mv AT kangli certificatebasedhybridencryptionschemeinthestandardmodel
AT tangxiaohu certificatebasedhybridencryptionschemeinthestandardmodel
AT fanjia certificatebasedhybridencryptionschemeinthestandardmodel