openssl get certificate expiration date

Background The development and release of iOS software is inseparable from certificates and profiles, and if you want to release the app to the Apple Store or use Apple's push notification feature, you will need a personal developer certificate to

With the Internet security and personal privacy increasingly critical today, encryption technology becomes particularly important and indispensable. In the password snow, encryption refers to the concealment of plaintext information, making it

Public key cryptography: The key is a pair of children appearPublic key: public to all; PubKeyPrivate key: Keep it for yourself, must ensure its privacy; secret keyFeatures: Data encrypted with the public key can only be decrypted with the private

Install the Harbor1.4.0 open-source docker image repository (including the letsencrypt certificate) and dockerletsencryptDocument version 20180216Harbor has been successfully installed on Ubuntu Linux 14.04 and CentOS Linux 7.4. The process is

Stunnel is a program that can use SSL to encrypt any TCP connection. It can run on a variety of UNIX and Windows operating systems. In this way, it effectively solves the problem that SSL cannot encrypt the data transmitted by existing applications.

1. HTTPS1.1. What is HTTPSHTTPS (Hypertexttransfer Protocol Secure) is a secure HTTP. The security foundation for HTTPS is the Secure Sockets Layer (secure Sockets layer,ssl). HTTP works at the application layer (the highest layer of the OSI model),

Configuration of SSL connections for private CAs and MySQL servers using OpenSSLI. INTRODUCTION of CAThe CA also has a certificate (with public and private keys included). Public users on the Internet trust the CA by verifying the CA's signature,

Public key pinning is a certificate chain must contain a public key in a whitelist, which means that only the certificate issuing authority (CA) that is listed on the whitelist can issue a certificate for a domain *.example.com, not any CA stored in

Go to:OBJC ChinaAnalysis of Code signatureDOPCN Oct Share Articles   "Users will appreciate the benefits of code signing" –apple Developer Library:code Signing Guide Most of the APIs you need to use for app development on IOS or OS X

: Network Disk DownloadAbout the bookEdited by Gourlay, the HTTP authoritative guide explains in detail how HTTP can be used to develop web-based applications, how the core Internet Protocol interacts with architecture building blocks, how to