guys:

i ahve a question regarding how to implement /use a private ca with openssl. 
the follow is what i have done:

1. generate ca private key and ca certificate
$ openssl genrsa -out cakey.pem 1024
$ openssl req -new -key cakey.pem -out cacert_req.pem
$ openssl x509 -req -days 300 -in cacert_req.pem -signkey cakey.pem -out 
cacert.pem

my intention here is to get the ca private key (cakey.pem)  and ca certificate 
(cacert.pem). i am assuming ca certificate is self signed

2. generate ssl private ket and sign its corresponding public key with ca's 
private key
$ openssl genrsa -out ssl_key.pem 1024
$ openssl req -new -key ssl_key.pem -out sslcert_req.pem
$ openssl x509 -req -days 200 -in sslcert_req.pem -signkey cakey.pem -out 
ssl_cert.pem

my intention here is to get the rsa private key (ssl_key.pem)  and its 
corresponding certificate signed by ca (ssl_cert.pem)

however, when i tried to use these three keys (ssl_key.pem, ssl_cert.pem, 
cacert.pem) to start a ssl server. i got the following error:

$ openssl s_server -accept 1500 -cert ssl_cert.pem -key ssl_key.pem -CAfile 
cacert.pem -debug -state
Using default temp DH parameters
unable to get private key from "ssl_key.pem"
14841:error:0B080074:x509:certificate routines:X509_check_private_key:key 
values mismatch:x509_cmp.c:279:

obviously, i did something wrong in the process. is the way i create/use 
private ca wrong? anybody here has quick ideas what is going on?

thanks in advance.

chong peng

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