Hi there.
I guess my problem is really related to verify callback on SSL_CTX_set_verify function.
I just add to my code a dummy callback returning 1 and everything works properly.
int verify_callback (int ok, X509_STORE_CTX *ctx);
int verify_callback (int ok, X509_STORE_CTX *ctx)
{
printf("Verification callback OK!\n");
return 1;
}
...
SSL_CTX_set_verify(ssl_server_ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, dtls_verify_callback);
...
The problem is that error don't tell much information about what's really going on or what's really missing.
Thanks for your help.
Kind regards.
On Tue, Nov 28, 2017 at 9:11 AM, Jan Just Keijser <janjust@xxxxxxxxx> wrote:
Hi,
On 27/11/17 17:07, wizard2010@xxxxxxxxx wrote:
FWIW: I've downloaded and compiled your code, generated certs using your script (which generates a client and server cert with the same serial number, BTW) and ran the code: I can connect just fine using either openssl 1.0.1e or 1.1.0eHi there.
I'm getting this error on a TLS server&client that I'm implementing and I can't really understand what I'm doing wrong.
139853560931992:error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca:s3_pkt.c:1487:SSL alert number 48
139853560931992:error:140790E5:SSL routines:ssl23_write:ssl handshake failure:s23_lib.c:177:
This is the code of my server: https://pastebin.com/Fyuki8v0 and I generate the certificates this way: https://pastebin.com/CDRKU2Gc
And I'm testing the server this way: openssl s_client -host 127.0.0.1 -port 4444 -cert client.crt -key client.key -CAfile ca.crt
If I run a server this way openssl s_server -key server.key -cert server.crt -CAfile ca.crt -accept 4444
I'm able to communicate with the same certificates and on my server code I always get:Handshake Error 1
SSL_ERROR_SSL...This is the result of openssl s_client command: https://pastebin.com/AWid1mxi
My bet is that when you run your code you are not loading the right ca.crt file ; another way to debug is , is to add a x509 verify callback which prints out each cert as it is passed for verification.
HTH,
JJK
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