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Script content: The code is as follows Copy Code #!/bin/bash# Author:mos# Script Name:mos_ca.sh# Date time:2013-01-06/23:05:35# version:1.0.2# Description:#[-f/etc/sysconfig/mos_ca.conf] . /etc/sysconfig/mos_ca.confConfig () {CNF=${CNF:-/ETC/PKI/TLS/OPENSSL.CNF}CP $Cnf $CNF. ' Date +%f-%t '. bakdir=${dir:-/etc/pki/ca/}CNY=${CNY:-CN}Pve=${pve:-henan}Cty=${cty:-zhengzhou}Bis=${bis:-youguess}Bnh=${bnh:-tech}opn= ' grep ' sta

We know that before the client establishes a session with the server, the client sends the request first, then tpc/ip the three handshake, and then the client establishes an SSL session with the server side. Session Process: A--> Server Side B--> Client The first step: AB both discuss the use of what encryption algorithm, how to encrypt and so on. Step two: A send a certificate to B, in order to make B believe him. Step Three: B believe, generate the symmetric key, send the request page to a

Small black and began to toss new things, last week just learned OpenSSL construction private CA, Saturday took a bit of time to write this script, time Rush, finish to go to the DNS, if there are any bug please forgive me, this script is purely practice, used to practice OpenSSL, awk, sed and other knowledge points.Let's start with the simple steps for building a private CA (the following is the default in

Curl error: Problem with the ssl ca cert (path access rights ?) Solution, curlcert Curl error: Problem with the ssl ca cert (path access rights ?) . Here is the CA problem: first, the CA that issues the server certificate is okay, so it should be a problem with the ca-band

Everybody, although this has nothing to do with autoproxy, it is a very serious security threat to all (including autoproxy) users. Me, wcm, Autoproxy author. It is strongly recommended that you carefully read and take measures in your personal reputation.Background Any information transmitted online may be maliciously intercepted. Even so, we still store a lot of important information on the Internet, such as private emails and bank transactions. This is because there is something that calls SS

First, what is CACA (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 the certificate holder and issue a certificate (signed on the certificate) to prevent the certificate from being forged or tampered with, and to manage the certificate and key.Second, why use CACA is t

encrypt the random symmetric key.3. ⑴ The data and signatures encrypted with the newly symmetric key, ⑵ the symmetric key with B's public key to send to BReceiving Party B:1. decrypt the sender's random symmetric key with its own private key2. decrypt the data with a symmetric key to get the signature and actual data encrypted with the private key of a3. Decrypt the encrypted signature with A's public key4. The actual data hash ratio to the above-mentioned signature code to achieve integrity ch

online12. Do the log, often do analysisAnother implementation of the SSH protocol: dropbear(1) dropbearkey-t rsa-f/etc/dropbear/dropbear_rsa_host_key-s 2048Dropbearkey-t dss-f/etc/dropbear/dropbear_dss_host_keydropbear-p [Ip:]port-f-EOpensslThree components:OpenSSL: Multi-purpose command-line tools:Libcrypto: Cryptographic Decryption LibraryImplementation of the LIBSSL:SSL protocolPki:public Key InfrastructureCA: Issuing agencyRA: Registration AuthorityCRL: Certificate Revocation ListCertificat

Idle boring, so is to use Keytool to create a certificate, and submitted to the CA to obtain a free 30 days certification, but the final import certificate when the report Keytool error:java.lang.Exception:Failed to establish chain from reply Keytool Error: Java.lang.Exception: Unable to establish a link from the reply. To create a Keytool article see: http://www.chinaunix.net/jh/13/456376.html, note that the certificate name imported in step fifth is

example. Through the official seal, it can be proved that the letter of recommendation is actually issued by the corresponding company.Theoretically, everyone can find a certificate tool and make a certificate of their own. How to prevent the bad guys from making their own certificates and cheating? See the introduction of subsequent CAs. ◇ What is CA?The CA is the abbreviation for "Certificate Authority",

Build your own CA to sign the certificate This series of articles is divided into three parts: build your own certificate issuing service, generate a certificate request, and sign the generated certificate request through the self-built CA and finally apply it to the service, This article describes how to use the CA Service in the previous article to sign the c

The term "digital certificate" is believed to have been heard by many people, but it is not understood that "EJBCA" may not have been heard by many peopleDigital certificate (Certificate), is the Internet communication process in the identification of the identity of the communication of a document, can be understood as "network ID", the main purpose is to verify the identityEJBCA, is a CA (Certificate authority) system software,

Apache + ssl + ca, apachesslStep 1: Set up an apache server. In the previous blog, you have completed the installation of SSL at http://www.cnblogs.com/sangmu/p/6422238.html #: yum install mod_ssl -y iptables -I INPUT 1 -p tcp --dport 443 -j ACCEPT service iptables save 1 vim/etc/httpd/conf. d/ssl. conf 2 3 Listen 443 // The listening port number 4 So far, ssl installation is complete. Step 3: Install CA