/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1994-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: cryptocontext.c,v $ $Revision: 1.18 $ $Date: 2007/11/16 05:29:27 $";
#endif /* DEBUG */

#ifndef DEV_H
#include "dev.h"
#endif /* DEV_H */

#ifndef PKIM_H
#include "pkim.h"
#endif /* PKIM_H */

#ifndef PKISTORE_H
#include "pkistore.h"
#endif /* PKISTORE_H */

#include "pki1t.h"

extern const NSSError NSS_ERROR_NOT_FOUND;
extern const NSSError NSS_ERROR_INVALID_ARGUMENT;

NSS_IMPLEMENT NSSCryptoContext *
nssCryptoContext_Create (
  NSSTrustDomain *td,
  NSSCallback *uhhOpt
)
{
    NSSArena *arena;
    NSSCryptoContext *rvCC;
    arena = NSSArena_Create();
    if (!arena) {
	return NULL;
    }
    rvCC = nss_ZNEW(arena, NSSCryptoContext);
    if (!rvCC) {
	return NULL;
    }
    rvCC->td = td;
    rvCC->arena = arena;
    rvCC->certStore = nssCertificateStore_Create(rvCC->arena);
    if (!rvCC->certStore) {
	nssArena_Destroy(arena);
	return NULL;
    }

    return rvCC;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_Destroy (
  NSSCryptoContext *cc
)
{
    PRStatus status = PR_SUCCESS;
    PORT_Assert(cc->certStore);
    if (cc->certStore) {
	status = nssCertificateStore_Destroy(cc->certStore);
	if (status == PR_FAILURE) {
	    return status;
	}
    } else {
	status = PR_FAILURE;
    }
    nssArena_Destroy(cc->arena);
    return status;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_SetDefaultCallback (
  NSSCryptoContext *td,
  NSSCallback *newCallback,
  NSSCallback **oldCallbackOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSCallback *
NSSCryptoContext_GetDefaultCallback (
  NSSCryptoContext *td,
  PRStatus *statusOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSTrustDomain *
NSSCryptoContext_GetTrustDomain (
  NSSCryptoContext *td
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}


NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindOrImportCertificate (
  NSSCryptoContext *cc,
  NSSCertificate *c
)
{
    NSSCertificate *rvCert = NULL;

    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	nss_SetError(NSS_ERROR_INVALID_ARGUMENT);
	return rvCert;
    }
    rvCert = nssCertificateStore_FindOrAdd(cc->certStore, c);
    if (rvCert == c && c->object.cryptoContext != cc) {
	PORT_Assert(!c->object.cryptoContext);
	c->object.cryptoContext = cc;
    } 
    if (rvCert) {
	/* an NSSCertificate cannot be part of two crypto contexts
	** simultaneously.  If this assertion fails, then there is 
	** a serious Stan design flaw.
	*/
	PORT_Assert(cc == c->object.cryptoContext);
    }
    return rvCert;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_ImportPKIXCertificate (
  NSSCryptoContext *cc,
  struct NSSPKIXCertificateStr *pc
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_ImportEncodedCertificate (
  NSSCryptoContext *cc,
  NSSBER *ber
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_ImportEncodedPKIXCertificateChain (
  NSSCryptoContext *cc,
  NSSBER *ber
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT PRStatus
nssCryptoContext_ImportTrust (
  NSSCryptoContext *cc,
  NSSTrust *trust
)
{
    PRStatus nssrv;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return PR_FAILURE;
    }
    nssrv = nssCertificateStore_AddTrust(cc->certStore, trust);
#if 0
    if (nssrv == PR_SUCCESS) {
	trust->object.cryptoContext = cc;
    }
#endif
    return nssrv;
}

NSS_IMPLEMENT PRStatus
nssCryptoContext_ImportSMIMEProfile (
  NSSCryptoContext *cc,
  nssSMIMEProfile *profile
)
{
    PRStatus nssrv;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return PR_FAILURE;
    }
    nssrv = nssCertificateStore_AddSMIMEProfile(cc->certStore, profile);
#if 0
    if (nssrv == PR_SUCCESS) {
	profile->object.cryptoContext = cc;
    }
#endif
    return nssrv;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestCertificateByNickname (
  NSSCryptoContext *cc,
  const NSSUTF8 *name,
  NSSTime *timeOpt, /* NULL for "now" */
  NSSUsage *usage,
  NSSPolicies *policiesOpt /* NULL for none */
)
{
    NSSCertificate **certs;
    NSSCertificate *rvCert = NULL;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    certs = nssCertificateStore_FindCertificatesByNickname(cc->certStore,
                                                           name,
                                                           NULL, 0, NULL);
    if (certs) {
	rvCert = nssCertificateArray_FindBestCertificate(certs,
	                                                 timeOpt,
	                                                 usage,
	                                                 policiesOpt);
	nssCertificateArray_Destroy(certs);
    }
    return rvCert;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindCertificatesByNickname (
  NSSCryptoContext *cc,
  NSSUTF8 *name,
  NSSCertificate *rvOpt[],
  PRUint32 maximumOpt, /* 0 for no max */
  NSSArena *arenaOpt
)
{
    NSSCertificate **rvCerts;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    rvCerts = nssCertificateStore_FindCertificatesByNickname(cc->certStore,
                                                             name,
                                                             rvOpt,
                                                             maximumOpt,
                                                             arenaOpt);
    return rvCerts;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindCertificateByIssuerAndSerialNumber (
  NSSCryptoContext *cc,
  NSSDER *issuer,
  NSSDER *serialNumber
)
{
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    return nssCertificateStore_FindCertificateByIssuerAndSerialNumber(
                                                               cc->certStore,
                                                               issuer,
                                                               serialNumber);
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestCertificateBySubject (
  NSSCryptoContext *cc,
  NSSDER *subject,
  NSSTime *timeOpt,
  NSSUsage *usage,
  NSSPolicies *policiesOpt
)
{
    NSSCertificate **certs;
    NSSCertificate *rvCert = NULL;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    certs = nssCertificateStore_FindCertificatesBySubject(cc->certStore,
                                                          subject,
                                                          NULL, 0, NULL);
    if (certs) {
	rvCert = nssCertificateArray_FindBestCertificate(certs,
	                                                 timeOpt,
	                                                 usage,
	                                                 policiesOpt);
	nssCertificateArray_Destroy(certs);
    }
    return rvCert;
}

NSS_IMPLEMENT NSSCertificate **
nssCryptoContext_FindCertificatesBySubject (
  NSSCryptoContext *cc,
  NSSDER *subject,
  NSSCertificate *rvOpt[],
  PRUint32 maximumOpt, /* 0 for no max */
  NSSArena *arenaOpt
)
{
    NSSCertificate **rvCerts;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    rvCerts = nssCertificateStore_FindCertificatesBySubject(cc->certStore,
                                                            subject,
                                                            rvOpt,
                                                            maximumOpt,
                                                            arenaOpt);
    return rvCerts;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindCertificatesBySubject (
  NSSCryptoContext *cc,
  NSSDER *subject,
  NSSCertificate *rvOpt[],
  PRUint32 maximumOpt, /* 0 for no max */
  NSSArena *arenaOpt
)
{
    return nssCryptoContext_FindCertificatesBySubject(cc, subject,
                                                      rvOpt, maximumOpt,
                                                      arenaOpt);
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestCertificateByNameComponents (
  NSSCryptoContext *cc,
  NSSUTF8 *nameComponents,
  NSSTime *timeOpt,
  NSSUsage *usage,
  NSSPolicies *policiesOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindCertificatesByNameComponents (
  NSSCryptoContext *cc,
  NSSUTF8 *nameComponents,
  NSSCertificate *rvOpt[],
  PRUint32 maximumOpt, /* 0 for no max */
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindCertificateByEncodedCertificate (
  NSSCryptoContext *cc,
  NSSBER *encodedCertificate
)
{
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    return nssCertificateStore_FindCertificateByEncodedCertificate(
                                                           cc->certStore,
                                                           encodedCertificate);
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestCertificateByEmail (
  NSSCryptoContext *cc,
  NSSASCII7 *email,
  NSSTime *timeOpt,
  NSSUsage *usage,
  NSSPolicies *policiesOpt
)
{
    NSSCertificate **certs;
    NSSCertificate *rvCert = NULL;

    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    certs = nssCertificateStore_FindCertificatesByEmail(cc->certStore,
                                                        email,
                                                        NULL, 0, NULL);
    if (certs) {
	rvCert = nssCertificateArray_FindBestCertificate(certs,
	                                                 timeOpt,
	                                                 usage,
	                                                 policiesOpt);
	nssCertificateArray_Destroy(certs);
    }
    return rvCert;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindCertificatesByEmail (
  NSSCryptoContext *cc,
  NSSASCII7 *email,
  NSSCertificate *rvOpt[],
  PRUint32 maximumOpt, /* 0 for no max */
  NSSArena *arenaOpt
)
{
    NSSCertificate **rvCerts;
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    rvCerts = nssCertificateStore_FindCertificatesByEmail(cc->certStore,
                                                          email,
                                                          rvOpt,
                                                          maximumOpt,
                                                          arenaOpt);
    return rvCerts;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindCertificateByOCSPHash (
  NSSCryptoContext *cc,
  NSSItem *hash
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestUserCertificate (
  NSSCryptoContext *cc,
  NSSTime *timeOpt,
  NSSUsage *usage,
  NSSPolicies *policiesOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindUserCertificates (
  NSSCryptoContext *cc,
  NSSTime *timeOpt,
  NSSUsage *usageOpt,
  NSSPolicies *policiesOpt,
  NSSCertificate **rvOpt,
  PRUint32 rvLimit, /* zero for no limit */
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestUserCertificateForSSLClientAuth (
  NSSCryptoContext *cc,
  NSSUTF8 *sslHostOpt,
  NSSDER *rootCAsOpt[], /* null pointer for none */
  PRUint32 rootCAsMaxOpt, /* zero means list is null-terminated */
  NSSAlgorithmAndParameters *apOpt,
  NSSPolicies *policiesOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate **
NSSCryptoContext_FindUserCertificatesForSSLClientAuth (
  NSSCryptoContext *cc,
  NSSUTF8 *sslHostOpt,
  NSSDER *rootCAsOpt[], /* null pointer for none */
  PRUint32 rootCAsMaxOpt, /* zero means list is null-terminated */
  NSSAlgorithmAndParameters *apOpt,
  NSSPolicies *policiesOpt,
  NSSCertificate **rvOpt,
  PRUint32 rvLimit, /* zero for no limit */
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindBestUserCertificateForEmailSigning (
  NSSCryptoContext *cc,
  NSSASCII7 *signerOpt,
  NSSASCII7 *recipientOpt,
  /* anything more here? */
  NSSAlgorithmAndParameters *apOpt,
  NSSPolicies *policiesOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSCertificate *
NSSCryptoContext_FindUserCertificatesForEmailSigning (
  NSSCryptoContext *cc,
  NSSASCII7 *signerOpt, /* fgmr or a more general name? */
  NSSASCII7 *recipientOpt,
  /* anything more here? */
  NSSAlgorithmAndParameters *apOpt,
  NSSPolicies *policiesOpt,
  NSSCertificate **rvOpt,
  PRUint32 rvLimit, /* zero for no limit */
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSTrust *
nssCryptoContext_FindTrustForCertificate (
  NSSCryptoContext *cc,
  NSSCertificate *cert
)
{
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    return nssCertificateStore_FindTrustForCertificate(cc->certStore, cert);
}

NSS_IMPLEMENT nssSMIMEProfile *
nssCryptoContext_FindSMIMEProfileForCertificate (
  NSSCryptoContext *cc,
  NSSCertificate *cert
)
{
    PORT_Assert(cc->certStore);
    if (!cc->certStore) {
	return NULL;
    }
    return nssCertificateStore_FindSMIMEProfileForCertificate(cc->certStore, 
                                                              cert);
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_GenerateKeyPair (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *ap,
  NSSPrivateKey **pvkOpt,
  NSSPublicKey **pbkOpt,
  PRBool privateKeyIsSensitive,
  NSSToken *destination,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSSymmetricKey *
NSSCryptoContext_GenerateSymmetricKey (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *ap,
  PRUint32 keysize,
  NSSToken *destination,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSSymmetricKey *
NSSCryptoContext_GenerateSymmetricKeyFromPassword (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *ap,
  NSSUTF8 *passwordOpt, /* if null, prompt */
  NSSToken *destinationOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSSymmetricKey *
NSSCryptoContext_FindSymmetricKeyByAlgorithmAndKeyID (
  NSSCryptoContext *cc,
  NSSOID *algorithm,
  NSSItem *keyID,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

struct token_session_str {
    NSSToken *token;
    nssSession *session;
};

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_Decrypt (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *encryptedData,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginDecrypt (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_ContinueDecrypt (
  NSSCryptoContext *cc,
  NSSItem *data,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishDecrypt (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_Sign (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *data,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginSign (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_ContinueSign (
  NSSCryptoContext *cc,
  NSSItem *data
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishSign (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_SignRecover (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *data,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginSignRecover (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_ContinueSignRecover (
  NSSCryptoContext *cc,
  NSSItem *data,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishSignRecover (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSSymmetricKey *
NSSCryptoContext_UnwrapSymmetricKey (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *wrappedKey,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSSymmetricKey *
NSSCryptoContext_DeriveSymmetricKey (
  NSSCryptoContext *cc,
  NSSPublicKey *bk,
  NSSAlgorithmAndParameters *apOpt,
  NSSOID *target,
  PRUint32 keySizeOpt, /* zero for best allowed */
  NSSOperations operations,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_Encrypt (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *data,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginEncrypt (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_ContinueEncrypt (
  NSSCryptoContext *cc,
  NSSItem *data,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishEncrypt (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_Verify (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *data,
  NSSItem *signature,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginVerify (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *signature,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_ContinueVerify (
  NSSCryptoContext *cc,
  NSSItem *data
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_FinishVerify (
  NSSCryptoContext *cc
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_VerifyRecover (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *signature,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginVerifyRecover (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return PR_FAILURE;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_ContinueVerifyRecover (
  NSSCryptoContext *cc,
  NSSItem *data,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishVerifyRecover (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_WrapSymmetricKey (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSSymmetricKey *keyToWrap,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_Digest (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *data,
  NSSCallback *uhhOpt,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    return nssToken_Digest(cc->token, cc->session, apOpt, 
                           data, rvOpt, arenaOpt);
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_BeginDigest (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSCallback *uhhOpt
)
{
    return nssToken_BeginDigest(cc->token, cc->session, apOpt);
}

NSS_IMPLEMENT PRStatus
NSSCryptoContext_ContinueDigest (
  NSSCryptoContext *cc,
  NSSAlgorithmAndParameters *apOpt,
  NSSItem *item
)
{
	/*
    NSSAlgorithmAndParameters *ap;
    ap = (apOpt) ? apOpt : cc->ap;
    */
	/* why apOpt?  can't change it at this point... */
    return nssToken_ContinueDigest(cc->token, cc->session, item);
}

NSS_IMPLEMENT NSSItem *
NSSCryptoContext_FinishDigest (
  NSSCryptoContext *cc,
  NSSItem *rvOpt,
  NSSArena *arenaOpt
)
{
    return nssToken_FinishDigest(cc->token, cc->session, rvOpt, arenaOpt);
}

NSS_IMPLEMENT NSSCryptoContext *
NSSCryptoContext_Clone (
  NSSCryptoContext *cc
)
{
    nss_SetError(NSS_ERROR_NOT_FOUND);
    return NULL;
}