зеркало из https://github.com/mozilla/gecko-dev.git
271 строка
9.1 KiB
C
271 строка
9.1 KiB
C
/* ***** 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 ***** */
|
|
#include "pqgutil.h"
|
|
#include "prerror.h"
|
|
#include "secitem.h"
|
|
|
|
#define PQG_DEFAULT_CHUNKSIZE 2048 /* bytes */
|
|
|
|
/**************************************************************************
|
|
* Return a pointer to a new PQGParams struct that is a duplicate of *
|
|
* the one passed as an argument. *
|
|
* Return NULL on failure, or if NULL was passed in. *
|
|
* *
|
|
**************************************************************************/
|
|
|
|
PQGParams *
|
|
PQG_DupParams(const PQGParams *src)
|
|
{
|
|
PRArenaPool *arena;
|
|
PQGParams *dest;
|
|
SECStatus status;
|
|
|
|
if (src == NULL) {
|
|
PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
arena = PORT_NewArena(PQG_DEFAULT_CHUNKSIZE);
|
|
if (arena == NULL)
|
|
goto loser;
|
|
|
|
dest = (PQGParams*)PORT_ArenaZAlloc(arena, sizeof(PQGParams));
|
|
if (dest == NULL)
|
|
goto loser;
|
|
|
|
dest->arena = arena;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->prime, &src->prime);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->subPrime, &src->subPrime);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->base, &src->base);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
return dest;
|
|
|
|
loser:
|
|
if (arena != NULL)
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
return NULL;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Return a pointer to a new PQGParams struct that is constructed from *
|
|
* copies of the arguments passed in. *
|
|
* Return NULL on failure. *
|
|
**************************************************************************/
|
|
|
|
PQGParams *
|
|
PQG_NewParams(const SECItem * prime, const SECItem * subPrime,
|
|
const SECItem * base)
|
|
{
|
|
PQGParams * dest;
|
|
PQGParams src;
|
|
|
|
src.arena = NULL;
|
|
src.prime = *prime;
|
|
src.subPrime = *subPrime;
|
|
src.base = *base;
|
|
dest = PQG_DupParams(&src);
|
|
return dest;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Fills in caller's "prime" SECItem with the prime value in params.
|
|
* Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE);
|
|
**************************************************************************/
|
|
SECStatus
|
|
PQG_GetPrimeFromParams(const PQGParams *params, SECItem * prime)
|
|
{
|
|
return SECITEM_CopyItem(NULL, prime, ¶ms->prime);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Fills in caller's "subPrime" SECItem with the prime value in params.
|
|
* Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE);
|
|
**************************************************************************/
|
|
SECStatus
|
|
PQG_GetSubPrimeFromParams(const PQGParams *params, SECItem * subPrime)
|
|
{
|
|
return SECITEM_CopyItem(NULL, subPrime, ¶ms->subPrime);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Fills in caller's "base" SECItem with the base value in params.
|
|
* Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE);
|
|
**************************************************************************/
|
|
SECStatus
|
|
PQG_GetBaseFromParams(const PQGParams *params, SECItem * base)
|
|
{
|
|
return SECITEM_CopyItem(NULL, base, ¶ms->base);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Free the PQGParams struct and the things it points to. *
|
|
**************************************************************************/
|
|
void
|
|
PQG_DestroyParams(PQGParams *params)
|
|
{
|
|
if (params == NULL)
|
|
return;
|
|
if (params->arena != NULL) {
|
|
PORT_FreeArena(params->arena, PR_FALSE); /* don't zero it */
|
|
} else {
|
|
SECITEM_FreeItem(¶ms->prime, PR_FALSE); /* don't free prime */
|
|
SECITEM_FreeItem(¶ms->subPrime, PR_FALSE); /* don't free subPrime */
|
|
SECITEM_FreeItem(¶ms->base, PR_FALSE); /* don't free base */
|
|
PORT_Free(params);
|
|
}
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Return a pointer to a new PQGVerify struct that is a duplicate of *
|
|
* the one passed as an argument. *
|
|
* Return NULL on failure, or if NULL was passed in. *
|
|
**************************************************************************/
|
|
|
|
PQGVerify *
|
|
PQG_DupVerify(const PQGVerify *src)
|
|
{
|
|
PRArenaPool *arena;
|
|
PQGVerify * dest;
|
|
SECStatus status;
|
|
|
|
if (src == NULL) {
|
|
PORT_SetError(PR_INVALID_ARGUMENT_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
arena = PORT_NewArena(PQG_DEFAULT_CHUNKSIZE);
|
|
if (arena == NULL)
|
|
goto loser;
|
|
|
|
dest = (PQGVerify*)PORT_ArenaZAlloc(arena, sizeof(PQGVerify));
|
|
if (dest == NULL)
|
|
goto loser;
|
|
|
|
dest->arena = arena;
|
|
dest->counter = src->counter;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->seed, &src->seed);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->h, &src->h);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
return dest;
|
|
|
|
loser:
|
|
if (arena != NULL)
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
return NULL;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Return a pointer to a new PQGVerify struct that is constructed from *
|
|
* copies of the arguments passed in. *
|
|
* Return NULL on failure. *
|
|
**************************************************************************/
|
|
|
|
PQGVerify *
|
|
PQG_NewVerify(unsigned int counter, const SECItem * seed, const SECItem * h)
|
|
{
|
|
PQGVerify * dest;
|
|
PQGVerify src;
|
|
|
|
src.arena = NULL;
|
|
src.counter = counter;
|
|
src.seed = *seed;
|
|
src.h = *h;
|
|
dest = PQG_DupVerify(&src);
|
|
return dest;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Returns the "counter" value from the PQGVerify.
|
|
**************************************************************************/
|
|
unsigned int
|
|
PQG_GetCounterFromVerify(const PQGVerify *verify)
|
|
{
|
|
return verify->counter;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Fills in caller's "seed" SECItem with the seed value in verify.
|
|
* Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE);
|
|
**************************************************************************/
|
|
SECStatus
|
|
PQG_GetSeedFromVerify(const PQGVerify *verify, SECItem * seed)
|
|
{
|
|
return SECITEM_CopyItem(NULL, seed, &verify->seed);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Fills in caller's "h" SECItem with the h value in verify.
|
|
* Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE);
|
|
**************************************************************************/
|
|
SECStatus
|
|
PQG_GetHFromVerify(const PQGVerify *verify, SECItem * h)
|
|
{
|
|
return SECITEM_CopyItem(NULL, h, &verify->h);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Free the PQGVerify struct and the things it points to. *
|
|
**************************************************************************/
|
|
|
|
void
|
|
PQG_DestroyVerify(PQGVerify *vfy)
|
|
{
|
|
if (vfy == NULL)
|
|
return;
|
|
if (vfy->arena != NULL) {
|
|
PORT_FreeArena(vfy->arena, PR_FALSE); /* don't zero it */
|
|
} else {
|
|
SECITEM_FreeItem(&vfy->seed, PR_FALSE); /* don't free seed */
|
|
SECITEM_FreeItem(&vfy->h, PR_FALSE); /* don't free h */
|
|
PORT_Free(vfy);
|
|
}
|
|
}
|