diff --git a/libckteec/src/pkcs11_api.c b/libckteec/src/pkcs11_api.c
index 85c712a6..d9684570 100644
--- a/libckteec/src/pkcs11_api.c
+++ b/libckteec/src/pkcs11_api.c
@@ -4,8 +4,11 @@
  */
 
 #include <pkcs11.h>
+#include <stdbool.h>
 #include <stddef.h>
 
+#include "invoke_ta.h"
+
 static const CK_FUNCTION_LIST libckteec_function_list = {
 	.version = {
 		.major = CK_PKCS11_VERSION_MAJOR,
@@ -81,12 +84,17 @@ static const CK_FUNCTION_LIST libckteec_function_list = {
 	.C_WaitForSlotEvent = NULL,
 };
 
+static bool lib_initiated(void)
+{
+	return ckteec_invoke_initiated();
+}
+
 CK_RV C_Initialize(CK_VOID_PTR pInitArgs)
 {
 	/* Argument currently unused as per the PKCS#11 specification */
 	(void)pInitArgs;
 
-	return CKR_FUNCTION_NOT_SUPPORTED;
+	return ckteec_invoke_init();
 }
 
 CK_RV C_Finalize(CK_VOID_PTR pReserved)
@@ -94,13 +102,16 @@ CK_RV C_Finalize(CK_VOID_PTR pReserved)
 	/* Argument currently unused as per the PKCS#11 specification */
 	(void)pReserved;
 
-	return CKR_FUNCTION_NOT_SUPPORTED;
+	return ckteec_invoke_terminate();
 }
 
 CK_RV C_GetInfo(CK_INFO_PTR pInfo)
 {
 	(void)pInfo;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -123,6 +134,9 @@ CK_RV C_GetSlotList(CK_BBOOL tokenPresent,
 	(void)pSlotList;
 	(void)pulCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -132,6 +146,9 @@ CK_RV C_GetSlotInfo(CK_SLOT_ID slotID,
 	(void)slotID;
 	(void)pInfo;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -145,6 +162,9 @@ CK_RV C_InitToken(CK_SLOT_ID slotID,
 	(void)ulPinLen;
 	(void)pLabel;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -154,6 +174,9 @@ CK_RV C_GetTokenInfo(CK_SLOT_ID slotID,
 	(void)slotID;
 	(void)pInfo;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -165,6 +188,9 @@ CK_RV C_GetMechanismList(CK_SLOT_ID slotID,
 	(void)pMechanismList;
 	(void)pulCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -176,6 +202,9 @@ CK_RV C_GetMechanismInfo(CK_SLOT_ID slotID,
 	(void)type;
 	(void)pInfo;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -191,6 +220,9 @@ CK_RV C_OpenSession(CK_SLOT_ID slotID,
 	(void)Notify;
 	(void)phSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -198,6 +230,9 @@ CK_RV C_CloseSession(CK_SESSION_HANDLE hSession)
 {
 	(void)hSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -205,6 +240,9 @@ CK_RV C_CloseAllSessions(CK_SLOT_ID slotID)
 {
 	(void)slotID;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -214,6 +252,9 @@ CK_RV C_GetSessionInfo(CK_SESSION_HANDLE hSession,
 	(void)hSession;
 	(void)pInfo;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -225,6 +266,9 @@ CK_RV C_InitPIN(CK_SESSION_HANDLE hSession,
 	(void)pPin;
 	(void)ulPinLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -240,6 +284,9 @@ CK_RV C_SetPIN(CK_SESSION_HANDLE hSession,
 	(void)pNewPin;
 	(void)ulNewLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -254,6 +301,9 @@ CK_RV C_Login(CK_SESSION_HANDLE hSession,
 	(void)pPin;
 	(void)ulPinLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -261,6 +311,9 @@ CK_RV C_Logout(CK_SESSION_HANDLE hSession)
 {
 	(void)hSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -272,6 +325,9 @@ CK_RV C_GetOperationState(CK_SESSION_HANDLE hSession,
 	(void)pOperationState;
 	(void)pulOperationStateLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -287,6 +343,9 @@ CK_RV C_SetOperationState(CK_SESSION_HANDLE hSession,
 	(void)hEncryptionKey;
 	(void)hAuthenticationKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -300,6 +359,9 @@ CK_RV C_CreateObject(CK_SESSION_HANDLE hSession,
 	(void)ulCount;
 	(void)phObject;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -315,6 +377,9 @@ CK_RV C_CopyObject(CK_SESSION_HANDLE hSession,
 	(void)ulCount;
 	(void)phNewObject;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -324,6 +389,9 @@ CK_RV C_DestroyObject(CK_SESSION_HANDLE hSession,
 	(void)hSession;
 	(void)hObject;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -335,6 +403,9 @@ CK_RV C_GetObjectSize(CK_SESSION_HANDLE hSession,
 	(void)hObject;
 	(void)pulSize;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -348,6 +419,9 @@ CK_RV C_GetAttributeValue(CK_SESSION_HANDLE hSession,
 	(void)pTemplate;
 	(void)ulCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -361,6 +435,9 @@ CK_RV C_SetAttributeValue(CK_SESSION_HANDLE hSession,
 	(void)pTemplate;
 	(void)ulCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -372,6 +449,9 @@ CK_RV C_FindObjectsInit(CK_SESSION_HANDLE hSession,
 	(void)pTemplate;
 	(void)ulCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -386,6 +466,9 @@ CK_RV C_FindObjects(CK_SESSION_HANDLE hSession,
 	(void)ulMaxObjectCount;
 	(void)pulObjectCount;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -393,6 +476,9 @@ CK_RV C_FindObjectsFinal(CK_SESSION_HANDLE hSession)
 {
 	(void)hSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -404,6 +490,9 @@ CK_RV C_EncryptInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -419,6 +508,9 @@ CK_RV C_Encrypt(CK_SESSION_HANDLE hSession,
 	(void)pEncryptedData;
 	(void)pulEncryptedDataLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -434,6 +526,9 @@ CK_RV C_EncryptUpdate(CK_SESSION_HANDLE hSession,
 	(void)pEncryptedData;
 	(void)pulEncryptedDataLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -445,6 +540,9 @@ CK_RV C_EncryptFinal(CK_SESSION_HANDLE hSession,
 	(void)pLastEncryptedPart;
 	(void)pulLastEncryptedPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -456,6 +554,9 @@ CK_RV C_DecryptInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -471,6 +572,9 @@ CK_RV C_Decrypt(CK_SESSION_HANDLE hSession,
 	(void)pData;
 	(void)pulDataLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -486,6 +590,9 @@ CK_RV C_DecryptUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)pulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -497,6 +604,9 @@ CK_RV C_DecryptFinal(CK_SESSION_HANDLE hSession,
 	(void)pLastPart;
 	(void)pulLastPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -506,6 +616,9 @@ CK_RV C_DigestInit(CK_SESSION_HANDLE hSession,
 	(void)hSession;
 	(void)pMechanism;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -521,6 +634,9 @@ CK_RV C_Digest(CK_SESSION_HANDLE hSession,
 	(void)pDigest;
 	(void)pulDigestLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -532,6 +648,9 @@ CK_RV C_DigestUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)ulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -541,6 +660,9 @@ CK_RV C_DigestKey(CK_SESSION_HANDLE hSession,
 	(void)hSession;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -552,6 +674,9 @@ CK_RV C_DigestFinal(CK_SESSION_HANDLE hSession,
 	(void)pDigest;
 	(void)pulDigestLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -563,6 +688,9 @@ CK_RV C_SignInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -578,6 +706,9 @@ CK_RV C_Sign(CK_SESSION_HANDLE hSession,
 	(void)pSignature;
 	(void)pulSignatureLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -589,6 +720,9 @@ CK_RV C_SignUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)ulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -600,6 +734,9 @@ CK_RV C_SignFinal(CK_SESSION_HANDLE hSession,
 	(void)pSignature;
 	(void)pulSignatureLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -611,6 +748,9 @@ CK_RV C_SignRecoverInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -626,6 +766,9 @@ CK_RV C_SignRecover(CK_SESSION_HANDLE hSession,
 	(void)pSignature;
 	(void)pulSignatureLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -637,6 +780,9 @@ CK_RV C_VerifyInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -652,6 +798,9 @@ CK_RV C_Verify(CK_SESSION_HANDLE hSession,
 	(void)pSignature;
 	(void)ulSignatureLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -663,6 +812,9 @@ CK_RV C_VerifyUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)ulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -674,6 +826,9 @@ CK_RV C_VerifyFinal(CK_SESSION_HANDLE hSession,
 	(void)pSignature;
 	(void)ulSignatureLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -685,6 +840,9 @@ CK_RV C_VerifyRecoverInit(CK_SESSION_HANDLE hSession,
 	(void)pMechanism;
 	(void)hKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -700,6 +858,9 @@ CK_RV C_VerifyRecover(CK_SESSION_HANDLE hSession,
 	(void)pData;
 	(void)pulDataLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -715,6 +876,9 @@ CK_RV C_DigestEncryptUpdate(CK_SESSION_HANDLE hSession,
 	(void)pEncryptedPart;
 	(void)pulEncryptedPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -730,6 +894,9 @@ CK_RV C_DecryptDigestUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)pulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -745,6 +912,9 @@ CK_RV C_SignEncryptUpdate(CK_SESSION_HANDLE hSession,
 	(void)pEncryptedPart;
 	(void)pulEncryptedPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -760,6 +930,9 @@ CK_RV C_DecryptVerifyUpdate(CK_SESSION_HANDLE hSession,
 	(void)pPart;
 	(void)pulPartLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -775,6 +948,9 @@ CK_RV C_GenerateKey(CK_SESSION_HANDLE hSession,
 	(void)ulCount;
 	(void)phKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -796,6 +972,9 @@ CK_RV C_GenerateKeyPair(CK_SESSION_HANDLE hSession,
 	(void)phPublicKey;
 	(void)phPrivateKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -813,6 +992,9 @@ CK_RV C_WrapKey(CK_SESSION_HANDLE hSession,
 	(void)pWrappedKey;
 	(void)pulWrappedKeyLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -834,6 +1016,9 @@ CK_RV C_UnwrapKey(CK_SESSION_HANDLE hSession,
 	(void)ulCount;
 	(void)phKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -851,6 +1036,9 @@ CK_RV C_DeriveKey(CK_SESSION_HANDLE hSession,
 	(void)ulCount;
 	(void)phKey;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -862,6 +1050,9 @@ CK_RV C_SeedRandom(CK_SESSION_HANDLE hSession,
 	(void)pSeed;
 	(void)ulSeedLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -873,6 +1064,9 @@ CK_RV C_GenerateRandom(CK_SESSION_HANDLE hSession,
 	(void)pRandomData;
 	(void)ulRandomLen;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -880,6 +1074,9 @@ CK_RV C_GetFunctionStatus(CK_SESSION_HANDLE hSession)
 {
 	(void)hSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -887,6 +1084,9 @@ CK_RV C_CancelFunction(CK_SESSION_HANDLE hSession)
 {
 	(void)hSession;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }
 
@@ -898,5 +1098,8 @@ CK_RV C_WaitForSlotEvent(CK_FLAGS flags,
 	(void)slotID;
 	(void)pReserved;
 
+	if (!lib_initiated())
+		return CKR_CRYPTOKI_NOT_INITIALIZED;
+
 	return CKR_FUNCTION_NOT_SUPPORTED;
 }