path: root/lib/isc/win32/pk11_api.c

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0.  If a copy of the MPL was not distributed with this
 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/*! \file */

/* missing code for WIN32 */

#include <string.h>
#include <windows.h>

#include <isc/log.h>
#include <isc/mem.h>
#include <isc/once.h>
#include <isc/print.h>
#include <isc/stdio.h>
#include <isc/thread.h>
#include <isc/util.h>

#include <pk11/internal.h>
#include <pk11/pk11.h>

char *
getpass(const char *prompt) {
	static char buf[128];
	HANDLE h;
	DWORD cc, mode;
	int cnt;

	h = GetStdHandle(STD_INPUT_HANDLE);
	fputs(prompt, stderr);
	fflush(stderr);
	fflush(stdout);
	FlushConsoleInputBuffer(h);
	GetConsoleMode(h, &mode);
	SetConsoleMode(h, ENABLE_PROCESSED_INPUT);

	for (cnt = 0; cnt < sizeof(buf) - 1; cnt++) {
		ReadFile(h, buf + cnt, 1, &cc, NULL);
		if (buf[cnt] == '\r') {
			break;
		}
		fputc('*', stdout);
		fflush(stderr);
		fflush(stdout);
	}

	SetConsoleMode(h, mode);
	buf[cnt] = '\0';
	fputs("\n", stderr);
	return (buf);
}

/* load PKCS11 DLL */

static HINSTANCE hPK11 = NULL;
static char loaderrmsg[1024];

CK_RV
pkcs_C_Initialize(CK_VOID_PTR pReserved) {
	CK_C_Initialize sym;
	const char *lib_name = pk11_get_lib_name();

	if (hPK11 != NULL) {
		return (CKR_LIBRARY_ALREADY_INITIALIZED);
	}

	if (lib_name == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	/* Visual Studio conversion issue... */
	if (*lib_name == ' ') {
		lib_name++;
	}

	hPK11 = LoadLibraryA(lib_name);

	if (hPK11 == NULL) {
		const DWORD err = GetLastError();
		snprintf(loaderrmsg, sizeof(loaderrmsg),
			 "LoadLibraryA(\"%s\") failed with 0x%X\n", lib_name,
			 err);
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	sym = (CK_C_Initialize)GetProcAddress(hPK11, "C_Initialize");
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(pReserved));
}

char *
pk11_get_load_error_message(void) {
	return (loaderrmsg);
}

CK_RV
pkcs_C_Finalize(CK_VOID_PTR pReserved) {
	CK_C_Finalize sym;
	CK_RV rv;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	sym = (CK_C_Finalize)GetProcAddress(hPK11, "C_Finalize");
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	rv = (*sym)(pReserved);
	if ((rv == CKR_OK) && (FreeLibrary(hPK11) == 0)) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	hPK11 = NULL;
	return (rv);
}

CK_RV
pkcs_C_GetSlotList(CK_BBOOL tokenPresent, CK_SLOT_ID_PTR pSlotList,
		   CK_ULONG_PTR pulCount) {
	static CK_C_GetSlotList sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GetSlotList)GetProcAddress(hPK11, "C_GetSlotList");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(tokenPresent, pSlotList, pulCount));
}

CK_RV
pkcs_C_GetTokenInfo(CK_SLOT_ID slotID, CK_TOKEN_INFO_PTR pInfo) {
	static CK_C_GetTokenInfo sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GetTokenInfo)GetProcAddress(hPK11, "C_"
							       "GetTokenInfo");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(slotID, pInfo));
}

CK_RV
pkcs_C_GetMechanismInfo(CK_SLOT_ID slotID, CK_MECHANISM_TYPE type,
			CK_MECHANISM_INFO_PTR pInfo) {
	static CK_C_GetMechanismInfo sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GetMechanismInfo)GetProcAddress(hPK11, "C_"
								   "GetMechanis"
								   "mInfo");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(slotID, type, pInfo));
}

CK_RV
pkcs_C_OpenSession(CK_SLOT_ID slotID, CK_FLAGS flags, CK_VOID_PTR pApplication,
		   CK_RV (*Notify)(CK_SESSION_HANDLE hSession,
				   CK_NOTIFICATION event,
				   CK_VOID_PTR pApplication),
		   CK_SESSION_HANDLE_PTR phSession) {
	static CK_C_OpenSession sym = NULL;

	if (hPK11 == NULL) {
		hPK11 = LoadLibraryA(pk11_get_lib_name());
	}
	if (hPK11 == NULL) {
		const DWORD err = GetLastError();
		snprintf(loaderrmsg, sizeof(loaderrmsg),
			 "LoadLibraryA(\"%s\") failed with 0x%X\n",
			 pk11_get_lib_name(), err);
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_OpenSession)GetProcAddress(hPK11, "C_OpenSession");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(slotID, flags, pApplication, Notify, phSession));
}

CK_RV
pkcs_C_CloseSession(CK_SESSION_HANDLE hSession) {
	static CK_C_CloseSession sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_CloseSession)GetProcAddress(hPK11, "C_"
							       "CloseSession");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession));
}

CK_RV
pkcs_C_Login(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType,
	     CK_CHAR_PTR pPin, CK_ULONG usPinLen) {
	static CK_C_Login sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_Login)GetProcAddress(hPK11, "C_Login");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, userType, pPin, usPinLen));
}

CK_RV
pkcs_C_Logout(CK_SESSION_HANDLE hSession) {
	static CK_C_Logout sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_Logout)GetProcAddress(hPK11, "C_Logout");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession));
}

CK_RV
pkcs_C_CreateObject(CK_SESSION_HANDLE hSession, CK_ATTRIBUTE_PTR pTemplate,
		    CK_ULONG usCount, CK_OBJECT_HANDLE_PTR phObject) {
	static CK_C_CreateObject sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_CreateObject)GetProcAddress(hPK11, "C_"
							       "CreateObject");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pTemplate, usCount, phObject));
}

CK_RV
pkcs_C_DestroyObject(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObject) {
	static CK_C_DestroyObject sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_DestroyObject)GetProcAddress(hPK11, "C_"
								"DestroyObjec"
								"t");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, hObject));
}

CK_RV
pkcs_C_GetAttributeValue(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObject,
			 CK_ATTRIBUTE_PTR pTemplate, CK_ULONG usCount) {
	static CK_C_GetAttributeValue sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GetAttributeValue)GetProcAddress(hPK11, "C_"
								    "GetAttribu"
								    "teValue");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, hObject, pTemplate, usCount));
}

CK_RV
pkcs_C_SetAttributeValue(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObject,
			 CK_ATTRIBUTE_PTR pTemplate, CK_ULONG usCount) {
	static CK_C_SetAttributeValue sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_SetAttributeValue)GetProcAddress(hPK11, "C_"
								    "SetAttribu"
								    "teValue");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, hObject, pTemplate, usCount));
}

CK_RV
pkcs_C_FindObjectsInit(CK_SESSION_HANDLE hSession, CK_ATTRIBUTE_PTR pTemplate,
		       CK_ULONG usCount) {
	static CK_C_FindObjectsInit sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_FindObjectsInit)GetProcAddress(hPK11, "C_"
								  "FindObjectsI"
								  "nit");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pTemplate, usCount));
}

CK_RV
pkcs_C_FindObjects(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE_PTR phObject,
		   CK_ULONG usMaxObjectCount, CK_ULONG_PTR pusObjectCount) {
	static CK_C_FindObjects sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_FindObjects)GetProcAddress(hPK11, "C_FindObjects");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, phObject, usMaxObjectCount, pusObjectCount));
}

CK_RV
pkcs_C_FindObjectsFinal(CK_SESSION_HANDLE hSession) {
	static CK_C_FindObjectsFinal sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_FindObjectsFinal)GetProcAddress(hPK11, "C_"
								   "FindObjects"
								   "Final");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession));
}

CK_RV
pkcs_C_EncryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		   CK_OBJECT_HANDLE hKey) {
	static CK_C_EncryptInit sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_EncryptInit)GetProcAddress(hPK11, "C_EncryptInit");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, hKey));
}

CK_RV
pkcs_C_Encrypt(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData,
	       CK_ULONG ulDataLen, CK_BYTE_PTR pEncryptedData,
	       CK_ULONG_PTR pulEncryptedDataLen) {
	static CK_C_Encrypt sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_Encrypt)GetProcAddress(hPK11, "C_Encrypt");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pData, ulDataLen, pEncryptedData,
		       pulEncryptedDataLen));
}

CK_RV
pkcs_C_DigestInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism) {
	static CK_C_DigestInit sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_DigestInit)GetProcAddress(hPK11, "C_DigestInit");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism));
}

CK_RV
pkcs_C_DigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
		    CK_ULONG ulPartLen) {
	static CK_C_DigestUpdate sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_DigestUpdate)GetProcAddress(hPK11, "C_"
							       "DigestUpdate");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pPart, ulPartLen));
}

CK_RV
pkcs_C_DigestFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest,
		   CK_ULONG_PTR pulDigestLen) {
	static CK_C_DigestFinal sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_DigestFinal)GetProcAddress(hPK11, "C_DigestFinal");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pDigest, pulDigestLen));
}

CK_RV
pkcs_C_SignInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		CK_OBJECT_HANDLE hKey) {
	static CK_C_SignInit sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_SignInit)GetProcAddress(hPK11, "C_SignInit");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, hKey));
}

CK_RV
pkcs_C_Sign(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ulDataLen,
	    CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen) {
	static CK_C_Sign sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_Sign)GetProcAddress(hPK11, "C_Sign");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pData, ulDataLen, pSignature,
		       pulSignatureLen));
}

CK_RV
pkcs_C_SignUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
		  CK_ULONG ulPartLen) {
	static CK_C_SignUpdate sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_SignUpdate)GetProcAddress(hPK11, "C_SignUpdate");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pPart, ulPartLen));
}

CK_RV
pkcs_C_SignFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature,
		 CK_ULONG_PTR pulSignatureLen) {
	static CK_C_SignFinal sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_SignFinal)GetProcAddress(hPK11, "C_SignFinal");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pSignature, pulSignatureLen));
}

CK_RV
pkcs_C_VerifyInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		  CK_OBJECT_HANDLE hKey) {
	static CK_C_VerifyInit sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_VerifyInit)GetProcAddress(hPK11, "C_VerifyInit");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, hKey));
}

CK_RV
pkcs_C_Verify(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ulDataLen,
	      CK_BYTE_PTR pSignature, CK_ULONG ulSignatureLen) {
	static CK_C_Verify sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_Verify)GetProcAddress(hPK11, "C_Verify");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pData, ulDataLen, pSignature, ulSignatureLen));
}

CK_RV
pkcs_C_VerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
		    CK_ULONG ulPartLen) {
	static CK_C_VerifyUpdate sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_VerifyUpdate)GetProcAddress(hPK11, "C_"
							       "VerifyUpdate");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pPart, ulPartLen));
}

CK_RV
pkcs_C_VerifyFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature,
		   CK_ULONG ulSignatureLen) {
	static CK_C_VerifyFinal sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_VerifyFinal)GetProcAddress(hPK11, "C_VerifyFinal");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pSignature, ulSignatureLen));
}

CK_RV
pkcs_C_GenerateKey(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		   CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount,
		   CK_OBJECT_HANDLE_PTR phKey) {
	static CK_C_GenerateKey sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GenerateKey)GetProcAddress(hPK11, "C_GenerateKey");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, pTemplate, ulCount, phKey));
}

CK_RV
pkcs_C_GenerateKeyPair(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		       CK_ATTRIBUTE_PTR pPublicKeyTemplate,
		       CK_ULONG usPublicKeyAttributeCount,
		       CK_ATTRIBUTE_PTR pPrivateKeyTemplate,
		       CK_ULONG usPrivateKeyAttributeCount,
		       CK_OBJECT_HANDLE_PTR phPrivateKey,
		       CK_OBJECT_HANDLE_PTR phPublicKey) {
	static CK_C_GenerateKeyPair sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GenerateKeyPair)GetProcAddress(hPK11, "C_"
								  "GenerateKeyP"
								  "air");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, pPublicKeyTemplate,
		       usPublicKeyAttributeCount, pPrivateKeyTemplate,
		       usPrivateKeyAttributeCount, phPrivateKey, phPublicKey));
}

CK_RV
pkcs_C_DeriveKey(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
		 CK_OBJECT_HANDLE hBaseKey, CK_ATTRIBUTE_PTR pTemplate,
		 CK_ULONG ulAttributeCount, CK_OBJECT_HANDLE_PTR phKey) {
	static CK_C_DeriveKey sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_DeriveKey)GetProcAddress(hPK11, "C_DeriveKey");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pMechanism, hBaseKey, pTemplate,
		       ulAttributeCount, phKey));
}

CK_RV
pkcs_C_SeedRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSeed,
		  CK_ULONG ulSeedLen) {
	static CK_C_SeedRandom sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_SeedRandom)GetProcAddress(hPK11, "C_SeedRandom");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, pSeed, ulSeedLen));
}

CK_RV
pkcs_C_GenerateRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR RandomData,
		      CK_ULONG ulRandomLen) {
	static CK_C_GenerateRandom sym = NULL;

	if (hPK11 == NULL) {
		return (CKR_LIBRARY_FAILED_TO_LOAD);
	}
	if (sym == NULL) {
		sym = (CK_C_GenerateRandom)GetProcAddress(hPK11, "C_"
								 "GenerateRando"
								 "m");
	}
	if (sym == NULL) {
		return (CKR_SYMBOL_RESOLUTION_FAILED);
	}
	return ((*sym)(hSession, RandomData, ulRandomLen));
}