Instead of using AF_ALG to calculate key verification patterns, transform
the key blob into a protected key and calculate the key verification
patterns with CAPCF calls.
The 'zkey-cryptsetup convert' command also calculates key verification
patterns from clear keys. Support this, too.
Reviewed-by: Finn Callies <fcallies@linux.ibm.com>
Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Ingo Franzki