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Certificate formats-X.509, der and PEMPart: 1 2 3Certificate standard and File encodings seem to be confusing. I wrote down some notes about:
What is X.509 certificate standard?
PEM (privacy enhanced mail) Encoding
Der
Those related to certificates (SSL,X.509,PEM,DER,CRT,CER,KEY,CSR,P12, etc.) [ZZ]Reprinted 2015-06-09 20:21:04From:http://www.cnblogs.com/guogangj/p/4118605.htmlThese concepts related to certificates are really tricky because they haven't been
Using OpenSSL utilities
An OpenSSL command line takes the following form:
openssl utility arguments
For example:
openssl x509 -in OrbixCA -text
Each Command is individually described in this Appendix. To get a list of the arguments
Different certificates are stored in different formats (such as whether the public key or private key is encrypted for storage, a single certificate, or multiple certificates), and are encoded differently (der/base64) different standards (such as
Document directory
Apply for Certificate
View certificates
Test Certificate
Calculate MD5 and SHA1
Apply for Certificate
SSL is often used in authentication, data encryption, and other applications. To use SSL, we have our own password
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:
Http://blog.chinaunix.net/uid-26575352-id-3073802.html
Common certificate formats and mutual conversionsThe PKCS full name is Public-key cryptography standards, a set of standards developed by RSA Labs and other security system developers to
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