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Forum Discussion

Thiyagu_163984's avatar
Thiyagu_163984
Icon for Nimbostratus rankNimbostratus
Aug 29, 2015

command to find the SHA algorithm used in SSL certificate

Hello All, I'm working to find whether SHA1 or SHA2 algorithm being used int the SSL certificate of an application installed int the load balancer.   Is there any command to find the type of algor...
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Aug 29, 2015

Here's a quick script I put together:

!/bin/bash

for c in `ls --format single-column /config/filestore/files_d/Common_d/certificate_d/`;
do
    arr=($(openssl x509 -noout -text -in /config/filestore/files_d/Common_d/certificate_d/${c} |grep -E "sha1"))

    if [ -n "${arr[2]}" ]
    then
        echo ${c}
    fi

done

This will list all of the certificates in the Common partition that use SHA1