What were you trying to do that didn't work?

Add passkey and ssh key into altSecurityIdentities attribute.

PAM debug logs show:

(2024-05-03  4:58:25): [pam] [pam_passkey_get_user_done] (0x4000): CID#2 Processing passkey data
(2024-05-03  4:58:25): [pam] [process_passkey_data] (0x0040): CID#2 talloc_strdup public key failed.
(2024-05-03  4:58:25): [pam] [pam_passkey_get_user_done] (0x0040): CID#2 process_passkey_data failed: [12]: Cannot allocate memory
(2024-05-03  4:58:25): [pam] [pam_passkey_get_user_done] (0x0040): CID#2 Unexpected passkey error [12]: Cannot allocate memory. Skipping passkey auth

The issue observed while automating and now with IDM-CI is just to get,

password prompt after su command taking almost 2 mins,