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flowher 11 роки тому
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@@ -3,6 +3,12 @@ buggy_openssl_with_fullduplex

Toy code which shows problems with non-blocking, fullduplex I/O & renegotiation in OpenSSL

What is it:
This code shows that it is not possible to use SSL_write() and SSL_read() functions in the same
way as ::send() and ::recv().
The main difference between SSL_write/read functions and send/recv system calls is that
SSL_write function may in fact read data from the socket in some situations (similary
SSL_read may need to write data to the socket).

How it works:

@@ -35,4 +41,4 @@ How it works:
TCP:
In TCP exchange we can see that transfer between client & server is OK until
client sends "Client Hello" packet. This packet is sent when SSL_renegotiate
is called
is called

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