libekmfweb: Re-encipher the identity key

The identity key of the client is a secure key enciphered with the
master key of a cryptographic adapter (APQN). When the master key of
the used APQNs is changed, the identity key must be re-enciphered
under the new master key.

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

libekmfweb/libekmfweb.map

@@ -4,5 +4,6 @@ LIBEKMFWEB_1.0 {
         ekmf_print_certificates;
         ekmf_check_login_token;
         ekmf_generate_identity_key;
+        ekmf_reencipher_identity_key;
     local: *;
 };