You could: - Check subject and issuer for sameness. - Verify the signature with the certificate’s own key. A positive verification indicates self-signed. > On May 3, 2018, at 7:18 AM, Salz, Rich via openssl-users <openssl-users@xxxxxxxxxxx> wrote: > > > > On 5/3/18, 4:24 AM, "morthalan" <morthalaanilreddy@xxxxxxxxx> wrote: > > No, technically not. I am just searching for a simple method just to check a > certificate is signed by CA or not. > Because. Something like signing check, I am not quite sure, I do not have > proper knowledge on Openssl. > > > If you have a cert, and a list of CA's that you trust, look at the verify command. > > > -- > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users -- openssl-users mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users