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One more point to clarify, pointed out by "Greg Stark" <ghstark@pobox.com>

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Lutz Jänicke 2001-05-14 09:02:38 +00:00
parent 99c65cef0f
commit a6e859e9ec
1 changed files with 5 additions and 2 deletions
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7
doc/ssl/SSL_read.pod
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@ -29,7 +29,7 @@ initialized to client or server mode. This is not the case if a generic
method is being used (see L<SSL_CTX_new(3)|SSL_CTX_new(3)>, so that
L<SSL_set_connect_state(3)|SSL_set_connect_state(3)> or SSL_set_accept_state()
must be used before the first call to an SSL_read() or
L<SSL_write(3)|SSL_write(3)> function.
L<SSL_write(3)|SSL_write(3)> function).
SSL_read() works based on the SSL/TLS records. The data are received in
records (with a maximum record size of 16kB for SSLv3/TLSv1). Only when a
@ -41,7 +41,10 @@ number of bytes buffered, SSL_read() will return with the bytes buffered.
If no more bytes are in the buffer, SSL_read() will trigger the processing
of the next record. Only when the record has been received and processed
completely, SSL_read() will return reporting success. At most the contents
of the record will be returned.
of the record will be returned. As the size of an SSL/TLS record may exceed
the maximum packet size of the underlying transport (e.g. TCP), it may
be necessary to read several packets from the transport layer before the
record is complete and SSL_read() can succeed.
If the underlying BIO is B<blocking>, SSL_read() will only return, once the
read operation has been finished or an error occurred, except when a