David Schwartz(Wednesday, June 22, 2011 12:04 PM) :
I do exactly this using BIO pairs. I manage all four data streams. When the application wants to send data to the other side, I hand it to OpenSSL. When I receive data on the socket, I hand it to OpenSSL. When I can send data on the socket, I get it from OpenSSL and send it to the socket. When OpenSSL has decrypted data, I get it from OpenSSL and send it to the upper application layers.
Just remember that you have four I/O streams you have to handle -- encrypted in, encrypted out, plaintext in, plaintext out. Make no attempt to 'associate' these streams. Treat them as completely logically independent.
Where can I find this example with BIO pairs? I can't understand only with openssl's documentation how to work with BIO pairs.
I will be grateful for the help.
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