| 1. | Secure digital music initiative
数字音乐版权保护组织 |
| 2. | Secured digital s
安全数字记忆卡 |
| 3. | A forward - secure digital signature scheme of ecc elliptic curve cryptography cryptography
基于椭圆曲线密码体制的一种具有前向安全的数字签名方案 |
| 4. | Secure digital memory card . a flash based memory card designed to provide secure high capacity data storage
安全电子存储卡。一种基于为提供安全的大容量数据存储功能而设计的闪存。 |
| 5. | Thus , this paper studies secure digital watermarking protocols with theories and techniques of modern cryptography , which is important for the protection of copyright of digital work and trading over the internet
因此，结合现代密码学技术知识研究安全的数字水印协议，对数字产品的版权保护和网上交易是比较重要的。本文所取得的主要研究成果如下： 1 |
| 6. | In may , hongkong post and pacific century cyberworks jointly launched a secure digital message delivery service , known as websenger , which offers multi - level electronic messaging security and provides users with a high level of control and privacy in message delivery over the internet
五月，香港邮政与电讯盈科携手推出“网传保”网上函件传送服务，提供多重信息保密功能，令利用互联网传递信息的人士可以全面掌握信息往来的情况，并且保障个人私隐。 |
| 7. | In the field of verifying digital - cash , no good logic model describing and verifying a digital cash protocol has been brought forward either abroad or at home . in this background , the contents and purpose of my researches are to design a secure digital - cash protocol , devising a simple e - dealing system and building a logic model
数字现金安全分析方面国内外都没有一个能够严格描述和验证数字现金协议的逻辑模型，基于这种背景，本课题的研究目的是设计一个安全的数字现金协议，实现一个简易电子交易系统来展示该协议的思想，并建立一个逻辑模型来形式化描述该协议且对其进行安全性分析。 |
| 8. | The bridge certification authority and the technology of cross authentication in the public key infrastructure are studied . the new cross authentication scheme and certificate revocation scheme based on forward - secure digital signature are proposed . the forward security of new scheme can guarantee the lowest loss and high efficiency in the case that the bca ' s signing secret key is exposed
研究了公钥基础设施中的桥接认证机构和交叉认证技术，提出了基于前向安全数字签名的交叉认证方案和基于前向安全数字签名的证书撤消方案，新方案的前向安全性确保了在签名密钥泄露的情况下将造成的损失减少到最小。 |
| 9. | The digital signature algorithms with special attributes are studied , and the new digital signature scheme , a undeniable forward - secure digital signature scheme based on zero - knowledge proof , is proposed based on the difficult mathematic problems . it is the first time that the undeniable property and the forward - secure property are combined in a digital signature scheme
以数学中的困难问题为理论基础研究了具有特殊性质的数字签名算法，提出了满足特殊需求的新的数字签名算法- - - -基于零知识证明的不可否认前向安全数字签名算法，首次将不可否认数字签名与前向安全数字签名结合起来。 |
