32 lines
1.1 KiB
Markdown
32 lines
1.1 KiB
Markdown
TCP/TLS Tutorial
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================
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<<<<<<< HEAD
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## Client TLS Tutorial
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### client-tls.c
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Again, we will need to import the security library. Just like in the server, add an '#include' statement in your client program. Next we will need to add a global 'cert' variable:
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'''c
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const char* cert = "./certs/ca-cert.pem";
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'''
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Now comes changing the 'ClientGreet()' function so its arguments and functions incorporate the security library.
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'''c
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void ClientGreet(int sock, CYASSL* ssl)
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if (CyaSSL_write(ssl, send, strlen(send)) != strlen(send)) {
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if (CyaSSL_read(ssl, receive, MAXDATASIZE) == 0) {
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'''
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You can think of this as, instead of just a normal read and write, it is now a “secure” read and write. We also need to change the call to 'ClientGreet()' in 'main()'. Instead of calling directly to it, we should make a call to a 'Security()' that will then check the server for the correct 'certs'. To do this, change:
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'''c
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ClientGreet(sock(fd));
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'''
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to
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'''c
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Security(sockfd);
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'''
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Now we just have to make the 'Security()'
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=======
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>>>>>>> a62664a86549dd488e2fa5ae902aa66da8b7a85d
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