深圳大学学报(理工版)
深圳大學學報(理工版)
심수대학학보(리공판)
JOURNAL OF SHENZHEN UNIVERISYT SCIENCE & ENGINEERING
2010年
4期
408-412
,共5页
数据安全与计算机安全%基于身份的多接收者签密%双线性配对%信息安全%自适应选择密文身份攻击%不可伪造性%密码学
數據安全與計算機安全%基于身份的多接收者籤密%雙線性配對%信息安全%自適應選擇密文身份攻擊%不可偽造性%密碼學
수거안전여계산궤안전%기우신빈적다접수자첨밀%쌍선성배대%신식안전%자괄응선택밀문신빈공격%불가위조성%밀마학
data security and computer security%identity-based multi-recipient signcryption%bilinear pairing%information security:adaptively chosen ciphertext and identity attack%unforgeability%cryptography
基于身份多接受者签密是一种能够同时实现认证性与保密性的重要密码学工具.分析杜红珍等2009年提出的基于身份多接收者签密方案.通过模拟攻击验证了该方案不能满足信息保密性与不可伪造性的安全要求.在此基础上,提出一个改进的基于身份多用户签密的方案,新方案具有保密性与不可伪造性,其效率有待进一步提高.
基于身份多接受者籤密是一種能夠同時實現認證性與保密性的重要密碼學工具.分析杜紅珍等2009年提齣的基于身份多接收者籤密方案.通過模擬攻擊驗證瞭該方案不能滿足信息保密性與不可偽造性的安全要求.在此基礎上,提齣一箇改進的基于身份多用戶籤密的方案,新方案具有保密性與不可偽造性,其效率有待進一步提高.
기우신빈다접수자첨밀시일충능구동시실현인증성여보밀성적중요밀마학공구.분석두홍진등2009년제출적기우신빈다접수자첨밀방안.통과모의공격험증료해방안불능만족신식보밀성여불가위조성적안전요구.재차기출상,제출일개개진적기우신빈다용호첨밀적방안,신방안구유보밀성여불가위조성,기효솔유대진일보제고.
Identity-based multi-recipient signcryption(ID-MRSC)is an important cryptographic primitive which can simultaneously provide authenticity and privacy.In 2009,DU and WEN proposed an ID-MRSCheme,and claimed that their scheme satisfied the security requirements of confidentiality and unforgeability.This paper analyzed the scheme and presented a concrete attack against the scheme,indicating that the scheme fails to satisfy the security requirement of unforgeability.We presented a new ID-MRSC scheme that simultaneously satisfies the requirements of confidentiality and unforgeability.It's efficiency could be improved is our future work.
