openssl certificate chain verification

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

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

1. System Environment Description Linux & OpenSSL 1 Linux localhost 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux2 [[email protected] /home/study]#openssl version3 OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008  

In the previous article, we talked about common authentication methods: User Name/password authentication and Windows authentication. In the next article, we will introduce another important credential type: X.509 Certificate and the authentication

PKCS Full name: Public-KeyCryptography standards , Is created RSA The lab and other security system developers set a series of standards to promote the development of public key cryptography, PKCS Has been released 15 Standards. Commonly

IntroductionAbout developing certificate configurations (Certificates & Identifiers &ProvisioningProfiles), I believe that the students do iOS development is not less than toss. For an iOS to develop small white, dabbler (like myself) or veterans,

1. Concise Explanation:1. Server generates public and private keys with RSA2. Put the public key in the certificate sent to the client, the private key to save itself3. The client first checks the validity of the certificate to an authoritative

Prevent man-in-the-middle (mitm) Attacks Document options

OpenSSL Certificate verification Security Restriction Bypass Vulnerability (CVE-2015-1793)OpenSSL Certificate verification Security Restriction Bypass Vulnerability (CVE-2015-1793) Release date:Updated on:Affected Systems: OpenSSL Project OpenSSL 1.0

Summary The public key encryption technology, standard 12th (Cryptography Standards #12, PKCS#12) specifies a portable format for storing and transporting user or server private keys, public keys, and certificates. It is a binary format, and these