/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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 http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*! \file */
#include <config.h>
#include <string.h>
#include <dlfcn.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 <pkcs11/cryptoki.h>
#include <pkcs11/pkcs11.h>
#define KEEP_PKCS11_NAMES
#include <pk11/pk11.h>
#include <pk11/internal.h>
static void *hPK11 = NULL;
static char loaderrmsg[1024];
CK_RV
pkcs_C_Initialize(CK_VOID_PTR pReserved) {
CK_C_Initialize sym;
if (hPK11 != NULL)
return (CKR_CRYPTOKI_ALREADY_INITIALIZED);
hPK11 = dlopen(pk11_get_lib_name(), RTLD_NOW);
if (hPK11 == NULL) {
snprintf(loaderrmsg, sizeof(loaderrmsg),
"dlopen(\"%s\") failed: %s\n",
pk11_get_lib_name(), dlerror());
return (CKR_LIBRARY_LOAD_FAILED);
}
sym = (CK_C_Initialize)dlsym(hPK11, "C_Initialize");
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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_LOAD_FAILED);
sym = (CK_C_Finalize)dlsym(hPK11, "C_Finalize");
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
rv = (*sym)(pReserved);
if ((rv == CKR_OK) && (dlclose(hPK11) != 0))
return (CKR_LIBRARY_LOAD_FAILED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GetSlotList)dlsym(hPK11, "C_GetSlotList");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GetTokenInfo)dlsym(hPK11, "C_GetTokenInfo");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GetMechanismInfo)dlsym(hPK11,
"C_GetMechanismInfo");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
hPK11 = dlopen(pk11_get_lib_name(), RTLD_NOW);
if (hPK11 == NULL) {
snprintf(loaderrmsg, sizeof(loaderrmsg),
"dlopen(\"%s\") failed: %s\n",
pk11_get_lib_name(), dlerror());
return (CKR_LIBRARY_LOAD_FAILED);
}
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_OpenSession)dlsym(hPK11, "C_OpenSession");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
return (*sym)(slotID, flags, pApplication, Notify, phSession);
}
CK_RV
pkcs_C_CloseSession(CK_SESSION_HANDLE hSession) {
static CK_C_CloseSession sym = NULL;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_CloseSession)dlsym(hPK11, "C_CloseSession");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_Login)dlsym(hPK11, "C_Login");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
return (*sym)(hSession, userType, pPin, usPinLen);
}
CK_RV
pkcs_C_Logout(CK_SESSION_HANDLE hSession) {
static CK_C_Logout sym = NULL;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_Logout)dlsym(hPK11, "C_Logout");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_CreateObject)dlsym(hPK11, "C_CreateObject");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_DestroyObject)dlsym(hPK11, "C_DestroyObject");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GetAttributeValue)dlsym(hPK11,
"C_GetAttributeValue");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_SetAttributeValue)dlsym(hPK11,
"C_SetAttributeValue");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_FindObjectsInit)dlsym(hPK11, "C_FindObjectsInit");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_FindObjects)dlsym(hPK11, "C_FindObjects");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
return (*sym)(hSession, phObject, usMaxObjectCount, pusObjectCount);
}
CK_RV
pkcs_C_FindObjectsFinal(CK_SESSION_HANDLE hSession)
{
static CK_C_FindObjectsFinal sym = NULL;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_FindObjectsFinal)dlsym(hPK11,
"C_FindObjectsFinal");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_EncryptInit)dlsym(hPK11, "C_EncryptInit");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_Encrypt)dlsym(hPK11, "C_Encrypt");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_DigestInit)dlsym(hPK11, "C_DigestInit");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_DigestUpdate)dlsym(hPK11, "C_DigestUpdate");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_DigestFinal)dlsym(hPK11, "C_DigestFinal");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_SignInit)dlsym(hPK11, "C_SignInit");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_Sign)dlsym(hPK11, "C_Sign");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_SignUpdate)dlsym(hPK11, "C_SignUpdate");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_SignFinal)dlsym(hPK11, "C_SignFinal");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_VerifyInit)dlsym(hPK11, "C_VerifyInit");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_Verify)dlsym(hPK11, "C_Verify");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_VerifyUpdate)dlsym(hPK11, "C_VerifyUpdate");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_VerifyFinal)dlsym(hPK11, "C_VerifyFinal");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GenerateKey)dlsym(hPK11, "C_GenerateKey");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GenerateKeyPair)dlsym(hPK11, "C_GenerateKeyPair");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_DeriveKey)dlsym(hPK11, "C_DeriveKey");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_SeedRandom)dlsym(hPK11, "C_SeedRandom");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
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;
static void *pPK11 = NULL;
if (hPK11 == NULL)
return (CKR_LIBRARY_LOAD_FAILED);
if ((sym == NULL) || (hPK11 != pPK11)) {
pPK11 = hPK11;
sym = (CK_C_GenerateRandom)dlsym(hPK11, "C_GenerateRandom");
}
if (sym == NULL)
return (CKR_FUNCTION_NOT_SUPPORTED);
return (*sym)(hSession, RandomData, ulRandomLen);
}