I succeeded at the end. The problem was that a previous PKCS11 session was not closed before the PKINIT process tried to open a new one.
103: C_Initialize 2017-01-12 17:46:43.597 [in] pInitArgs = (nil) Returned: 401 CKR_CRYPTOKI_ALREADY_INITIALIZED C_Initialize: cryptoki already initialized can't open pkcs11 session 104: C_Finalize 2017-01-12 17:46:43.598 Returned: 0 CKR_OK pkinit_client_prep_questions: no questions to ask pkinit_client_prep_questions returning 0 pkinit_client_prep_questions: no questions to ask pkinit_client_prep_questions returning 0 questions_to_answer=password pkinit_client_process 0x7fffe409f1f0 0x7fffe409f7b0 0x7fffe40a1e70 0x7fffe40a1c20 processing KRB5_PADATA_PK_AS_REQ pkinit_client_profile 0x7fffe409f1f0 0x7fffe409f7b0 0x7fffe40a1e70 0x7fffe40a2538 pkinit_identity_prompt: 0x7fffe409f1f0 0x7fffe40a23f0 0x7fffe40a2290 If all the previous opened sessions are well closed and the KDC is configured to ask the client for a PKINIT preauthentication, we should get the following result : 111: C_CloseSession 2017-01-12 18:05:04.655 [in] hSession = 0xbabfcb7f Returned: 0 CKR_OK 112: C_Finalize 2017-01-12 18:05:04.655 Returned: 0 CKR_OK pkinit_client_prep_questions: asking question '{"PKCS11:module_name=/usr/local/lib/pkcs11-spy.so:slotid=1:token=CCC":0}' pkinit_client_prep_questions returning 0 pkinit_client_prep_questions: asking question '{"PKCS11:module_name=/usr/local/lib/pkcs11-spy.so:slotid=1:token=CCC":0}' pkinit_client_prep_questions returning 0 questions_to_answer=pkinit pkinit_client_process 0x7fffe4096090 0x7fffe4066cc0 0x7fffe4089760 0x7fffe40897f0 processing KRB5_PADATA_PK_AS_REQ pkinit_client_profile 0x7fffe4096090 0x7fffe4066cc0 0x7fffe4089760 0x7fffe4089f38 pkinit_identity_prompt: 0x7fffe4096090 0x7fffe4089df0 0x7fffe4089c70 Dorian Duc wrote > Hello, > > > I want to use "pkinit" preauth question to authenticate with kerberos. > > > But I'm unable to answer "pkinit" question because it's not available in > the list of questions returned by krb5_responder_list_questions(). Only > "password" is proposed. > > > How can I add "pkinit" or even "otp" in the list of preauth questions ? > > > Thank you > ________________________________________________ > Kerberos mailing list > Kerberos@ > https://mailman.mit.edu/mailman/listinfo/kerberos -- View this message in context: http://kerberos.996246.n3.nabble.com/Add-preauth-questions-to-kerberos-responder-context-tp46464p46574.html Sent from the Kerberos - General mailing list archive at Nabble.com. ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos