Merge Certificate For Free - Merge Certificate Online

A certificate chain is an ordered list of certificates, containing an SSL/TLS Certificate and Certificate Authority (CA) Certificates, that enable the receiver to verify that the sender and all CA's are trustworthy.

Certificate chain verificationThe issuer's certificate is located.The certificate signature is verified using the public key in the issuer's certificate.The validity period for the certificate is verified against the current time provided by the verifier's system clock.More items...

To combine them, simply copy the contents inside of the root certificate and paste it into a new line at the bottom of the intermediate certificate file. Once this is done, click File -> Save As and save this new bundle file and ensure to add '. crt' without the quotes at the end of the new filename.

TL;DR The certificate chain starts with your certificat followed by an intermediate one or by root CA certificate. Issuer of any certificate in chain should be equal to Subject of next one up to root CA certificate where Subject equals to Issuer.

3-Certificate Creation StepsSet path at the command prompt.Start OpenSSL.Create a Root Key.Create a Root Certificate (this is self-signed certificate)Create an Intermediate Key.Create an Intermediate certificate signing request.Create intermediate certificate (using Root Key/Certificate)Quit OpenSSL.More items...?Jul 2, 2020

To combine them, simply copy the contents inside of the root certificate and paste it into a new line at the bottom of the intermediate certificate file. Once this is done, click File -> Save As and save this new bundle file and ensure to add '. crt' without the quotes at the end of the new filename.

You can create a certificate bundle by opening a plain text editor (notepad, gedit, etc) and pasting in the text of the root certificate and the text of the intermediate certificate. The order they go in depends on the type of server you are running.