hi all,
I have configure to use TLS module,but i have a problem in step : create key.

i follow these step:

Creating CA certificate
-----------------------
1. create CA dir
        mkdir ca
        cd ca
        
2. create ca dir structure and files  (see ca(1))
        mkdir demoCA #default CA name, edit /etc/ss/openssl.cnf
        mkdir  demoCA/private
        mkdir demoCA/newcerts
        touch demoCA/index.txt
        echo 01 >demoCA/serial
        
2. create CA private key
        openssl genrsa -out demoCA/private/cakey.pem 2048
        chmod 600 demoCA/private/cakey.pem
        
3. create CA self-signed certificate
        openssl req -out demoCA/cacert.pem   -x509 -new -key 
demoCA/private/cakey.pem


Creating a server/client certificate
------------------------------------
1. create a certificate request (and its private key in privkey.pem)
        openssl req -out ser1_cert_req.pem -new -nodes
   WARNING: the organization name should be the same as in the ca certificate.
        
2. sign it with the ca certificate
        openssl ca -in ser1_cert_req.pem -out ser1_cert.pem
        
3. copy ser1_cert.pem to your ser config. dir


Setting ser to use the certificate
----------------------------------
1. create the ca list file:
        for each of your ca certificates that you intend to use do:
                cat cacert.pem >>calist.pem
        
2. copy your ser certificate, private key and ca list file to your 
        intended machine (preferably in your ser cfg. directory, this is the 
        default place ser searches for)
        
3. set up ser.cfg to use the certificate
        if your ser certificate name is different from cert.pem or it is not
        placed in ser cfg. directory, add to your ser.cfg:
                modparam("tls", "certificate", "/path/cert_file_name")
        
4. set up ser to use the private key
        if your private key is not contained in the certificate (or the
         certificate name is not the default cert.pem), add to your ser.cfg:
                modparam("tls", "private_key", "/path/private_key_file")
        
5. set up ser to use the ca list (optional)
        add to your ser.cfg:
                modparam("tls", "ca_list", "/path/ca_list_file")
        
6. set up tls authentication options:
                modparam("tls", "verify_certificate", 1)
                modparam("tls", "require_certificate", 1) 
        (for more information see the module parameters documentation)

but in step : 2. sign it with the ca certificate(command :openssl ca -in 
ser1_cert_req.pem -out ser1_cert.pe
)
i have error and it openssl can not make file "ser1_cert.pem
"

the error is :

[r...@appliance ca]# openssl ca -in ser1_cert_req.pem -out ser1_cert.pem
Using configuration from /etc/pki/tls/openssl.cnf
Error opening CA private key ../../CA/private/cakey.pem
15231:error:02001002:system library:fopen:No such file or 
directory:bss_file.c:352:fopen('../../CA/private/cakey.pem','r')
15231:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:354:
unable to load CA private key


please help me to fix it, or suggest to check and make it work.
thanks all.

Peter green
                                          
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