Openssl San Certificate

Some applications prefer certain formats over others. Now id like to add several subject alternate names sign it with an existing root certificate and return the certificate to complete the signing. Also many of these formats can contain multiple items such as a private key certificate and ca certificate in a single file.

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How To Create A Self Signed San Certificate Using Openssl On

Security Create Self Signed San Certificate With Openssl

Know About San Certificate And How To Create With Openssl

Rm companysankeytemp download the certificate signing request file companysancsr and provide it to your certification authority of choice for signing.

Openssl san certificate. As you can see the above example if you are managing multiple https. How can i add a subject alternate name when signing a certificate request using openssl in windows if that matters. Fixing chrome 58 missingsubjectaltname with openssl when using self signed certificates written on april 23 2017 since version 58 chrome requires ssl certificates to use san subject alternative name instead of the popular common name cn thus cn support has been removed. Openssl genrsa out sslkey 2048 openssl req new config sslconf key sslkey out sslcsr openssl x509 req sha256 days 3650 cacreateserial cakey rootkey ca rootcrt in sslcsr out sslcrt.

I have a pair of root ca keys. Ive generated a basic certificate signing request csr from the iis interface. Creation of csr for san is slightly different than traditional openssl command and will explain in a while how to generate csr for subject alternative names ssl certificate. Openssl rsa in companysankeytemp out companysankey run the following command to remove the temporary key file.

How to issue a new ssl certificate with san subject alternative name extension. Openssl can be used to convert certificates to and from a large variety of these formats. There are a variety of other certificate encoding and container types.