openssl x509 certificate

It is mainly used for outputting certificate information , can also sign certificate request file, self-signed, convert certificate format , etc.The OpenSSL x509 tool does not use the settings in the OpenSSL configuration file, but is completely

Under the Windows platform, if you want to parse a X509 certificate file, the most straightforward way is to use Microsoft's CryptoAPI. But under the non-Windows platform, you can only use the powerful open source cross-platform library OpenSSL.

I. Introduction of OpenSSL OpenSSL is currently the most popular SSL cipher library tool that provides a common, robust, and fully functional suite of tools to support the implementation of the SSL/TLS protocol.Official website:

Transferred from: Http://rhythm-zju.blog.163.com/blog/static/310042008015115718637/ All rights reserved. If you need to reprint it, please indicate the source I have studied SSL/TLS some time ago and read the English version of Eric rescorla's SSL

In HTTPS learning note two, the concept of digital certificates has been clarified, composed and how the client validates the server-side certificate during the HTTPS connection process. This chapter describes how to use the OpenSSL library to

Self-built CA Based on OpenSSL and SSL certificate issuance For details about SSL/TLS, see the SSL/TLS principles.For more information about Certificate Authority (CA) and digital certificate, see OpenSSL and SSL digital certificate

The OpenSSL Certificate Action command generates a self signed certificate# Generate a key, your private key, OpenSSL will prompt you to enter a password, you can enter, you can not lose,# Enter the words, each time you use this key to enter the

OpenSSL genrsa-out server.key 1024 (no password required)OpenSSL Req-new-key server.key-out SERVER.CSRCat SERVER.CSRPaste the above text into http://dc2.sankuai.info/certsrv/request Advanced Certificate request---->web Server certificate, OK,

1. After OpenSSL is installed, find OpenSSL. CnF in the/usr/lib/SSL directory (for Ubuntu system, use whereis to check the SSL directory) and copy it to the working directory. 2. Create a New democafolder under the Work directory, create the new

Introduction (Creating a generated certificate can only be used for test use.) If you want to use a self-signed certificate, you can only issue certificates to the CA authority for two-way authentication to use.The use of HTTP (Hypertext Transfer)