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数字证书注册和签发系统，利用JCA和JCE实现数字证书的注册，并提供一个密钥库管理以及私钥的存储和导出以及传输得安全机制-Digital certificate registration and issuance system, the use of JCA and JCE realize digital certificate registration, and provide a key database management, and private key storage and export, as well as a security mechanism for transmission

计算机安全的 多种密码算法演示-a variety of computer security password algorithm demo

openssl的介绍还有写步骤和代码,大家一定回用的到的-openssl introductory steps and have to write code, there is something we have to Reuse

Module De Captcha (Captcha Decoder) - recognition of service graphic images of any complexity. The process image is completely automated.- Module De Captcha (Captcha Decoder)- recognition of service graphic images of any complexity. The process image is completely automated.

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code of encryption rsa with matlab

本文描述了证书请求消息格式(CRMF)。它被用来向CA传递一个产生X.509证书请求 (可能通过RA)。请求消息一般包括公钥和有关的登记信息。-This paper describes a certificate request message format (CRMF). It was used to send a CA have X.509 certificate request (possibly through RA). Requests for general information, including public key and the registration information.

MiniCA V2.0版本源码。《小型CA系统V2.1含源码》发表以来，得到了广大程序爱好者的支持与鼓励，为答谢各位，特发布MiniCA V2.0版本（含源码），希望对大家有所帮助。2.0版本只完成了原定功能的70%，这一点有点对不起大家。不过鄙人有更有意义的事情要做，因此这件事情就被无限期的搁置了。有兴趣的可以在此基础上继续开发。秉承OPENSSL的原则开放了自己的代码，为的是方便大家。请保留版本、版权信息。请勿用于商业用途。特别感谢：台湾台中县张凯棠(Commer 卡门)先生 commercity@hotmail.com。广西贵港邹焕鑫先生 hsin2098@hotmail.com 协助MiniCA测试。-err

linux/unix系统下usbkey通讯的例程，pcsc-lite1.2-linux/unix systems usbkey communications routines, pcsc- lite1.2

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