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Re: How to debug keyring_file plugin for TDE
Posted by: Georgi Kodinov
Date: March 09, 2018 11:17AM

I'll talk about 8.0 here. Feel free to find the relevant sections in 5.7 if you need to:

To debug the plugin you want to put breakpoints on the keyring plugin methods in plugin/keyring/keyring.cc:

static struct st_mysql_keyring keyring_descriptor = {
MYSQL_KEYRING_INTERFACE_VERSION,
mysql_key_store,
mysql_key_fetch,
mysql_key_remove,
mysql_key_generate,
mysql_key_iterator_init,
mysql_key_iterator_deinit,
mysql_key_iterator_get_key};

These implement the individual keyring plugin API comamnds.

They pretty much correspond to the SQL functions described in https://dev.mysql.com/doc/refman/8.0/en/keyring-udfs-general-purpose.html

It's all documented in https://dev.mysql.com/doc/refman/8.0/en/writing-keyring-plugins.html too.

Georgi "Joro" Kodinov
MySQL SrvGen team lead
Plovdiv, Bulgaria

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