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156 lines
6.9 KiB
C
156 lines
6.9 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* Thse functions are stub functions which will get replaced with calls through
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* PKCS #11.
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*/
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#ifndef _PK11PQG_H_
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#define _PK11PQG_H_ 1
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#include "blapit.h"
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SEC_BEGIN_PROTOS
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/* Generate PQGParams and PQGVerify structs.
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* Length of seed and length of h both equal length of P.
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* All lengths are specified by "j", according to the table above.
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*/
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extern SECStatus PK11_PQG_ParamGen(unsigned int j, PQGParams **pParams,
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PQGVerify **pVfy);
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/* Generate PQGParams and PQGVerify structs.
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* Length of P specified by j. Length of h will match length of P.
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* Length of SEED in bytes specified in seedBytes.
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* seedBbytes must be in the range [20..255] or an error will result.
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*/
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extern SECStatus PK11_PQG_ParamGenSeedLen( unsigned int j,
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unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy);
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/* Test PQGParams for validity as DSS PQG values.
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* If vfy is non-NULL, test PQGParams to make sure they were generated
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* using the specified seed, counter, and h values.
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*
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* Return value indicates whether Verification operation ran succesfully
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* to completion, but does not indicate if PQGParams are valid or not.
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* If return value is SECSuccess, then *pResult has these meanings:
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* SECSuccess: PQGParams are valid.
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* SECFailure: PQGParams are invalid.
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*
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* Verify the following 12 facts about PQG counter SEED g and h
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* 1. Q is 160 bits long.
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* 2. P is one of the 9 valid lengths.
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* 3. G < P
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* 4. P % Q == 1
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* 5. Q is prime
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* 6. P is prime
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* Steps 7-12 are done only if the optional PQGVerify is supplied.
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* 7. counter < 4096
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* 8. g >= 160 and g < 2048 (g is length of seed in bits)
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* 9. Q generated from SEED matches Q in PQGParams.
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* 10. P generated from (L, counter, g, SEED, Q) matches P in PQGParams.
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* 11. 1 < h < P-1
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* 12. G generated from h matches G in PQGParams.
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*/
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extern SECStatus PK11_PQG_VerifyParams(const PQGParams *params,
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const PQGVerify *vfy, SECStatus *result);
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extern void PK11_PQG_DestroyParams(PQGParams *params);
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extern void PK11_PQG_DestroyVerify(PQGVerify *vfy);
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/**************************************************************************
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* Return a pointer to a new PQGParams struct that is constructed from *
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* copies of the arguments passed in. *
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* Return NULL on failure. *
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**************************************************************************/
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extern PQGParams * PK11_PQG_NewParams(const SECItem * prime, const
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SECItem * subPrime, const SECItem * base);
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/**************************************************************************
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* Fills in caller's "prime" SECItem with the prime value in params.
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* Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE);
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**************************************************************************/
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extern SECStatus PK11_PQG_GetPrimeFromParams(const PQGParams *params,
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SECItem * prime);
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/**************************************************************************
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* Fills in caller's "subPrime" SECItem with the prime value in params.
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* Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE);
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**************************************************************************/
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extern SECStatus PK11_PQG_GetSubPrimeFromParams(const PQGParams *params,
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SECItem * subPrime);
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/**************************************************************************
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* Fills in caller's "base" SECItem with the base value in params.
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* Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE);
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**************************************************************************/
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extern SECStatus PK11_PQG_GetBaseFromParams(const PQGParams *params,
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SECItem *base);
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/**************************************************************************
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* Return a pointer to a new PQGVerify struct that is constructed from *
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* copies of the arguments passed in. *
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* Return NULL on failure. *
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**************************************************************************/
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extern PQGVerify * PK11_PQG_NewVerify(unsigned int counter,
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const SECItem * seed, const SECItem * h);
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/**************************************************************************
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* Returns "counter" value from the PQGVerify.
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**************************************************************************/
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extern unsigned int PK11_PQG_GetCounterFromVerify(const PQGVerify *verify);
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/**************************************************************************
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* Fills in caller's "seed" SECItem with the seed value in verify.
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* Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE);
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**************************************************************************/
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extern SECStatus PK11_PQG_GetSeedFromVerify(const PQGVerify *verify,
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SECItem *seed);
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/**************************************************************************
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* Fills in caller's "h" SECItem with the h value in verify.
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* Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE);
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**************************************************************************/
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extern SECStatus PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem * h);
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SEC_END_PROTOS
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#endif
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