Certificate-Based Key Encapsulation Mechanism Secure in the Standard Model

doi:10.3969/j.issn.0372-2112.2012.08.013

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Certificate-Based Key Encapsulation Mechanism Secure in the Standard Model

更新时间：2025-07-08

- Certificate-Based Key Encapsulation Mechanism Secure in the Standard Model
- Acta Electronica Sinica Vol. 40, Issue 8, Pages: 1577-1583(2012)
- 作者机构：
  
  河海大学计算机与信息学院,江苏,南京,211000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.08.013
  CLC： TP309
- Published：2012
- 稿件说明：
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Certificate-Based Key Encapsulation Mechanism Secure in the Standard Model[J]. Acta Electronica Sinica, 2012, 40(8): 1577-1583.
DOI：

Certificate-Based Key Encapsulation Mechanism Secure in the Standard Model[J]. Acta Electronica Sinica, 2012, 40(8): 1577-1583. DOI： 10.3969/j.issn.0372-2112.2012.08.013.

摘要

混合加密是将公钥加密与对称加密结合的一种加密技术.将密钥封装机制引入到基于证书加密方案中

提出了基于证书密钥封装机制的形式化定义及安全模型

构造了一个基于证书密钥封装方案.基于判定双线性Diffie-Hellman困难问题假定

在标准模型下证明提出的方案是自适应选择密文安全的.

Abstract

A hybrid construction is a formal method of combining asymmetric encryption and symmetric encryption.By introducing key encapsulation mechanism into certificate-based encryption scheme

we propose a formal definition and security model of the certificate-based key encapsulation mechanism.Furthermore

we present a construction of the certificate-based key encapsulation scheme.Based on decision bilinear Diffie-Hellman difficulty assumption

the proposed scheme is provably secure against indistinguishability under adaptive chosen-ciphertext attack in the standard model.

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