Ingo Franzki e621d2dfa2 libseckey: Use OSSL_FUNC_keymgmt_im/export_types_ex functions ...

The provider functions OSSL_FUNC_keymgmt_import_types() and
OSSL_FUNC_keymgmt_export_types() do not get the provider context passed.
However, the implementation of these functions in the secure key provider
need the provider context to pass the call to the default provider
and append some of its own types to the result.

Up to now, the provider context was obtained using a global variable
holding the secure key provider handle. This may not be save if multiple
instances of the provider exist.

Just recently OpenSSL added support for an extended form of these
functions, namely OSSL_FUNC_keymgmt_import_types_ex() and
OSSL_FUNC_keymgmt_export_types_ex(), that get the provider context passed
as argument. Make use of these new functions, if compiled against an
OpenSSL version that supports them. For older OpenSSL versions still use
the global variable as before.

See OpenSSL commit 5e3b84505e

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2023-03-17 10:56:11 +01:00

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