• views: 144
• date: 25 March 2025
• posted by: AD-TEAM

Learn real world commands from the OpenSSL Cheat Sheet to troubleshoot Open SSL

OpenSSL is the universal tool for inspecting, diagnosing, and troubleshooting SSL & TLS.

OpenSSL is composed of many different utilities, each of which is responsible for a specific aspect of the SSL and TLS ecosystem.

Topics include:

Module 1 - Generating Public and Private Keys

Generating and inspecting RSA Keys

Generating and inspecting DSA Keys

Generating and inspecting Elliptic Curve Keys

Adding & Removing Encryption to RSA Keys

Adding and removing encryption to RSA Keys

OpenSSL Key Utility

Matching Private Keys to Certificates and CSRs

Module 3 - Generating Certificates and CSRs

Creating a CSR and Certificate using an existing Private Key

Creating a CSR and Certificate using a new Private Key

Module 4 - Inspecting Certificates and CSRs

Extracting specific information from Certificates and CSRs

Module 5 - File Formats and Conversions (PEM, DER, PFX)

Check if file is PEM, DER, or PFX

Converting files between PEM and DER formats

Converting files between PEM and PFX formats

In this course, you will receiving training on how to use the following OpenSSL Utilities:

openssl rsa

openssl genrsa

openssl dsa

openssl gendsa

openssl dsaparam

openssl ec

openssl ecparam

openssl pkey

openssl genpkey

openssl x509

openssl req

openssl pkcs12

Each module contains demo files you can use to practice the commands along with each lesson.

The lessons in the course follow a section from the Cheat Sheet (available to download as part of the course).

After completing the course and downloading the OpenSSL Cheat Sheet,
you will be equipped to inspect and troubleshoot any SSL / TLS scenarios you find yourself in.




   
   
   

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