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5f066e7aac
This commit implements the buffering of a record from the next epoch. - The buffering substructure of mbedtls_ssl_handshake_params gets another field to hold a raw record (incl. header) from a future epoch. - If ssl_parse_record_header() sees a record from the next epoch, it signals that it might be suitable for buffering by returning MBEDTLS_ERR_SSL_EARLY_MESSAGE. - If ssl_get_next_record() finds this error code, it passes control to ssl_buffer_future_record() which may or may not decide to buffer the record; it does so if - a handshake is in progress, - the record is a handshake record - no record has already been buffered. If these conditions are met, the record is backed up in the aforementioned buffering substructure. - If the current datagram is fully processed, ssl_load_buffered_record() is called to check if a record has been buffered, and if yes, if by now the its epoch is the current one; if yes, it copies the record into the (empty! otherwise, ssl_load_buffered_record() wouldn't have been called) input buffer. |
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| CMakeLists.txt | ||