openssl command to check certificate

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

ObjectiveI read a lot of information, only to write this article, if there are errors, please put forward the reader in time.In general, when you use Remote Desktop to connect to Windows Server, there is always a warning prompt, 1Figure 1This

Preface openSSL is a powerful encryption tool. many of us are already using openSSL to create RSA private key or certificate signature requests. However, you can use openSSL to test the computer. speed? You can also use it to encrypt files or

What is CA: CA (Certificate authority) is the abbreviation of digital Certificate Certification Center, refers to the issuing, management, abolition of digital certificate institutions. The role of a CA is to check the legitimacy of the identity of

This is a tutorial from Raywenderlich, the content is informative! The structure is simple and thorough, the explanation is gradual, article quality is superior! It's a difficult blog post! Use half a bottle of English to translate a bit:1. Overview

To generate a certificate in OpenSSL, follow these steps:1. generate an RSA private key file and generate a certificate application for this private key file.First, you must enter a password to encrypt the RSA private key file and ask the user to

Use the OpenSSL to verify the certificate chain with the following command:Debian:/home/zhaoya/openssl#openssl verify-cafile Root_cert User_certThe Root_cert can contain a lot of certificates, you can use the Cat command to merge multilevel CA

OpenSSL req is used to generate a certificate request for a third party authority CA to issue and generate the certificate we need. The Req command can also invoke the X509 command for format conversion and display information such as Text,modulus

Secure programming with the OpenSSL API First, Concept: 1. What is SSL.   SSL is an abbreviation, the full name is Secure Sockets Layer.   It is the standard that supports secure communication over the Internet and integrates data cryptography into

    Complete the SSL (Secure Socket Layer) Certificate Service through Linux + Apache + OpenSSL, and provide secure HTTPS (Hypertext Transfer Protocol over Secure Socket Layer) services. Device SSL 1. device OpenSSL Tar-zxvf openssl-0.9.8a.tar.gz CD