5/16/2023 0 Comments Openssl csr![]() ![]() This step is extremely important and will show you any security problems with your SSL configuration. All I will say is that these certificates are supported by a multitude of software, including Apache HTTPD and NGINX. This step is very dependant of the software you use and I won’t really cover. Signature Algorithm: sha256WithRSAEncryption It should display the following if the signature is correct. You can check that your Certificate Signing Request (CSR) has the correct signature by running the following. ![]() This step will create the actually request file that you will submit to the Certificate Authority (CA) of your choice. Create a Certificate Signing Request (CSR) To do that you will need to add -aes256 to the command.Ģ. ** Please note that both these examples will not add a password to the key file. If you want extra security you could increase the bit lengths. The example below will generate a 2048 bit key file with a SHA-256 signature. In this case SHA-256.įirstly you will need to generate a key file. Hence the reason that the security industry is advising to move to something better. Technically at the moment there isn’t anything really wrong with the SHA-1 hash function, but it is now quite old and is starting to show potential cracks. Google’s announcement can be found here at Google have recently announced that they are going to start reporting that SSL certificates that are signed with a SHA-1 Hash will be treated as having a lower security than those signed with newer, higher strength hashes such as SHA-256 or SHA-512. ![]()
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