The concepts related to certificates are really tricky because they haven't been exposed to certificate encryption before, because there's a whole new term coming up that looks like something else in another field, not something that we're familiar
About OpenSSL OpenSSL
SSL is an abbreviation for the Secure Socket Layer protocol, which provides covert transmission over the Internet. Netscape Company introduced the SSL protocol standard at the same time as the first web browser, there are now 3.
Original
introduction of OpenSSL
OpenSSL is currently the most popular SSL password library tool, it provides a universal, robust, full-featured tool suite to support the implementation of the SSL/TLS protocol.Official website: https://www.openssl.
I. Introduction of OpenSSL
OpenSSL is currently the most popular SSL cipher library tool that provides a common, robust, and fully functional suite of tools to support the implementation of the SSL/TLS protocol.Official website:
OpenSSL encoding rules1. data encoding format
Openssl data encoding rules are based on ans.1. What is ans.1? An Explanation on top of the project
ASN.1 (Abstract Syntax Notation One) is a structured Description Language, which consists of two parts:
PKCS stands for public-key cryptography standards. It is a series of standards developed by the RSA lab and other security system developers to Promote the Development of public key cryptography. PKCS has published 15 standards. Commonly used:PKCS #7
Article title: Introduction to OpenSSl. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
In linux, we often see
1. Overview of Asymmetric encryption algorithmsAsymmetric encryption algorithm is also called Public key algorithm, which solves the problem of symmetric encryption algorithm key distribution, the basic features of asymmetric encryption algorithm
OpenSSLUser Guide
Directory
• Introduction
• Compile
• Run openssl.exe
• Algorithm Programming API
4.1 symmetric algorithms
4.1.1 des
4.1.2 A es
4.1.3 RC4
4.1.4 EVP _
4.2 Public Key Algorithm
4.3 Hash Algorithm
4.4 random number Algorithm
• SSL
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