Hi Matt,

Thank you for the inputs.
I have one more query. Is it appropriate to check for the errno in this
case and take action based on the errno values ?

Thanks
Mahendra

On Wed, Feb 19, 2020 at 3:09 PM Matt Caswell <m...@openssl.org> wrote:

>
>
> On 19/02/2020 05:16, Mahendra SP wrote:
> > Hi All,
> >
> > We are using Openssl version 1.0.2h. When we call SSL_do_handshake,
> > sometimes we notice that handshake fails with error SSL_ERROR_SSL.
> > As per the documentation for this error, it is non recoverable and fatal
> > error.  Documentation also mentions to check the error queue for further
> > details. Does it mean, calling SSL_get_error after SSL_ERROR_SSL will
> > give exact reason for this failure?
>
> OpenSSL has its own error stack. SSL_ERROR_SSL means that you should
> look at that error stack for further details about what caused the
> problem. For example you can use ERR_print_errors_fp() to print all the
> error descriptions to stdout/stderr:
>
> https://www.openssl.org/docs/man1.1.1/man3/ERR_print_errors_fp.html
>
> You can get more fine grained control of the error stack using the
> various ERR_* functions available. See:
>
> https://www.openssl.org/docs/man1.1.1/man3/
>
> Matt
>

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