openssl 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

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

Digital Certificate and its authentication process [reprinted], digital certificate reprinted As we all know, public key cryptography makes it easy to use digital signatures, encrypted communications, and other key services by using the public key

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

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

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

Use openssl in linux to generate a csrcrchloroform Certificate This article mainly draws on and references the content of the following two addresses, then tests and runs on the machine, and makes the following records. Create the test directory

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

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