I./include -fPIC -DOPENSSL_PIC -DOPENSSL_THREADS -ĭ_REENTRANT -DDSO_DLFCN -DHAVE_DLFCN_H -m64 -DL_ENDIAN -g -O2 -fstack-protector. Using the openssl version -a command, the following output was generated: OpenSSL 1.0.2g īuilt on: reproducible build, date unspecified The directory where certificates and private keys are stored ( OPENSSLDIR).The options that were built with the library ( options).The version number and version release date ( OpenSSL 1.0.2g ).In this command, the -a switch displays complete version information, including: Use the following command to identify which version of OpenSSL you are running: openssl version -a Knowing which version of OpenSSL you are using is also important when getting help troubleshooting problems you may run into. For example, OpenSSL version 1.0.1 was the first version to support TLS 1.1 and TLS 1.2. Your version of OpenSSL dictates which cryptographic algorithms can be used when generating keys as well as which protocols are supported. Identifying which version of OpenSSL you are using is an important first step when preparing to generate a private key or CSR. If you don't have the time to get into the nitty-gritty of OpenSSL commands and CSR generation, or you want to save some time, check out our OpenSSL CSR Wizard. Some command examples use a ' \' (backslash) to create a line break to make them easier to understand. Guide Notes: Ubuntu 16.04.3 LTS was the system used to write this guide. If you're looking for a more in-depth and comprehensive look at OpenSSL, we recommend you check out the OpenSSL Cookbook by Ivan Ristić. This guide is not meant to be comprehensive.
2048 VERSIONS HOW TO
We designed this quick reference guide to help you understand the most common OpenSSL commands and how to use them.
2048 VERSIONS INSTALL
OpenSSL is an open-source command line tool that is commonly used to generate private keys, create CSRs, install your SSL/TLS certificate, and identify certificate information. Learn how to use the most common OpenSSL commands
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