gecko-dev/security/nss/lib/pk11wrap/pk11pqg.h
2001-06-07 21:52:07 +00:00

150 lines
6.6 KiB
C

/*
* 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 Netscape are
* Copyright (C) 1994-2001 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/* Thse functions are stub functions which will get replaced with calls through
* PKCS #11.
*/
#ifndef _PK11PQG_H_
#define _PK11PQG_H_ 1
#include "blapit.h"
#include "pqgutil.h"
/* Generate PQGParams and PQGVerify structs.
* Length of seed and length of h both equal length of P.
* All lengths are specified by "j", according to the table above.
*/
extern SECStatus PK11_PQG_ParamGen(unsigned int j, PQGParams **pParams,
PQGVerify **pVfy);
/* Generate PQGParams and PQGVerify structs.
* Length of P specified by j. Length of h will match length of P.
* Length of SEED in bytes specified in seedBytes.
* seedBbytes must be in the range [20..255] or an error will result.
*/
extern SECStatus PK11_PQG_ParamGenSeedLen( unsigned int j,
unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy);
/* Test PQGParams for validity as DSS PQG values.
* If vfy is non-NULL, test PQGParams to make sure they were generated
* using the specified seed, counter, and h values.
*
* Return value indicates whether Verification operation ran succesfully
* to completion, but does not indicate if PQGParams are valid or not.
* If return value is SECSuccess, then *pResult has these meanings:
* SECSuccess: PQGParams are valid.
* SECFailure: PQGParams are invalid.
*
* Verify the following 12 facts about PQG counter SEED g and h
* 1. Q is 160 bits long.
* 2. P is one of the 9 valid lengths.
* 3. G < P
* 4. P % Q == 1
* 5. Q is prime
* 6. P is prime
* Steps 7-12 are done only if the optional PQGVerify is supplied.
* 7. counter < 4096
* 8. g >= 160 and g < 2048 (g is length of seed in bits)
* 9. Q generated from SEED matches Q in PQGParams.
* 10. P generated from (L, counter, g, SEED, Q) matches P in PQGParams.
* 11. 1 < h < P-1
* 12. G generated from h matches G in PQGParams.
*/
extern SECStatus PK11_PQG_VerifyParams(const PQGParams *params,
const PQGVerify *vfy, SECStatus *result);
extern void PK11_PQG_DestroyParams(PQGParams *params);
extern void PK11_PQG_DestroyVerify(PQGVerify *vfy);
/**************************************************************************
* Return a pointer to a new PQGParams struct that is constructed from *
* copies of the arguments passed in. *
* Return NULL on failure. *
**************************************************************************/
extern PQGParams * PK11_PQG_NewParams(const SECItem * prime, const
SECItem * subPrime, const SECItem * base);
/**************************************************************************
* Fills in caller's "prime" SECItem with the prime value in params.
* Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE);
**************************************************************************/
extern SECStatus PK11_PQG_GetPrimeFromParams(const PQGParams *params,
SECItem * prime);
/**************************************************************************
* Fills in caller's "subPrime" SECItem with the prime value in params.
* Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE);
**************************************************************************/
extern SECStatus PK11_PQG_GetSubPrimeFromParams(const PQGParams *params,
SECItem * subPrime);
/**************************************************************************
* Fills in caller's "base" SECItem with the base value in params.
* Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE);
**************************************************************************/
extern SECStatus PK11_PQG_GetBaseFromParams(const PQGParams *params,
SECItem *base);
/**************************************************************************
* Return a pointer to a new PQGVerify struct that is constructed from *
* copies of the arguments passed in. *
* Return NULL on failure. *
**************************************************************************/
extern PQGVerify * PK11_PQG_NewVerify(unsigned int counter,
const SECItem * seed, const SECItem * h);
/**************************************************************************
* Returns "counter" value from the PQGVerify.
**************************************************************************/
extern unsigned int PK11_PQG_GetCounterFromVerify(const PQGVerify *verify);
/**************************************************************************
* Fills in caller's "seed" SECItem with the seed value in verify.
* Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE);
**************************************************************************/
extern SECStatus PK11_PQG_GetSeedFromVerify(const PQGVerify *verify,
SECItem *seed);
/**************************************************************************
* Fills in caller's "h" SECItem with the h value in verify.
* Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE);
**************************************************************************/
extern SECStatus PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem * h);
#endif