![]() To convert certificate file: openssl pkcs12 -in certificate.pfx -out certificate.cer -nodes OpenSSL commands to convert PKCS#12 (.pfx) file Openssl pkcs12 -export -in certificate.cer -inkey privateKey.key -out certificate.pfx -certfile CACert.cer ![]() To convert private key file: openssl rsa -inform DER -in yourdomain_key.der -outform PEM -out yourdomain.keyĬonvert P7B to PEM openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cerĬonvert P7B to PFX openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer To convert certificate file: openssl x509 -inform DER -in r -outform PEM -out yourdomain.crt OpenSSL Command to Check CSR openssl req -text -noout -verify -in CSR.csr OpenSSL Commands to Convert Certificate and Key FilesĬonvert PEM to DER openssl x509 -outform der -in certificate.pem -out rĬonvert PEM to P7B openssl crl2pkcs7 -nocrl -certfile certificate.cer -out certificate.p7b -certfile CACert.certĬonvert PEM to PFX openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt Common Name: Your Fully Qualified Domain Name.Organization Unit: Name of the department.subj "/C=US/ST=Florida/L=Saint Petersburg/O=Your Company, Inc./OU=IT/CN=" newkey rsa:2048 -nodes -keyout yourdomain.key \ This command will generate CSR and private key in a single shot. If you haven’t generated your Private Key yet: Email: The email ID through which certification will take place (Not Compulsory.Common Name: Your Fully Qualified Domain Name (e.g.,.Organization Unit: Name of the department (Not Compulsory.Organization Name: Write the legal name of your organization.City: Write the full name of the city where your organization is legally located.State/Province: Write the full name of the state where your organization is legally located.Country Name: 2-digit country code where your organization is legally located.Once you execute this command, you’ll be asked additional details. If you have generated Private Key: openssl req -new -key yourdomain.key -out yourdomain.csr Have a look: OpenSSL Command to Generate Private Key openssl genrsa -out yourdomain.key 2048 OpenSSL Command to Check your Private Key openssl rsa -in privateKey.key -check OpenSSL Command to Generate CSR That’s why we’ve come up with the most commonly used OpenSSL commands along with their applications. ![]() But for someone who just wants to install an SSL certificate, only a handful of commands are really necessary. With its core library written in C programming language, OpenSSL commands can be used to perform hundreds of functions ranging from the CSR generation to converting certificate formats. ![]() Being an open-source tool, OpenSSL is available for Windows, Linux, macOS, Solaris, QNX and most of major operating systems. ![]() When it comes to SSL/TLS certificates and their implementation, there is no tool as useful as OpenSSL. In Everything Encryption Here’s a list of the most useful OpenSSL commands ![]()
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