зеркало из https://github.com/mozilla/pjs.git
471 строка
15 KiB
C
471 строка
15 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) 1994-2001
|
|
* 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 ***** */
|
|
/* Thse functions are stub functions which will get replaced with calls through
|
|
* PKCS #11.
|
|
*/
|
|
|
|
#include "pk11func.h"
|
|
#include "secmod.h"
|
|
#include "secmodi.h"
|
|
#include "secmodti.h"
|
|
#include "pkcs11t.h"
|
|
#include "pk11pqg.h"
|
|
#include "secerr.h"
|
|
|
|
|
|
/* 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)
|
|
{
|
|
PK11SlotInfo *slot = NULL;
|
|
CK_ATTRIBUTE genTemplate[5];
|
|
CK_ATTRIBUTE *attrs = genTemplate;
|
|
int count = sizeof(genTemplate)/sizeof(genTemplate[0]);
|
|
CK_MECHANISM mechanism;
|
|
CK_OBJECT_HANDLE objectID = CK_INVALID_HANDLE;
|
|
CK_RV crv;
|
|
CK_ATTRIBUTE pTemplate[] = {
|
|
{ CKA_PRIME, NULL, 0 },
|
|
{ CKA_SUBPRIME, NULL, 0 },
|
|
{ CKA_BASE, NULL, 0 },
|
|
};
|
|
CK_ATTRIBUTE vTemplate[] = {
|
|
{ CKA_NETSCAPE_PQG_COUNTER, NULL, 0 },
|
|
{ CKA_NETSCAPE_PQG_SEED, NULL, 0 },
|
|
{ CKA_NETSCAPE_PQG_H, NULL, 0 },
|
|
};
|
|
int pTemplateCount = sizeof(pTemplate)/sizeof(pTemplate[0]);
|
|
int vTemplateCount = sizeof(vTemplate)/sizeof(vTemplate[0]);
|
|
PRArenaPool *parena = NULL;
|
|
PRArenaPool *varena = NULL;
|
|
PQGParams *params = NULL;
|
|
PQGVerify *verify = NULL;
|
|
CK_ULONG primeBits = PQG_INDEX_TO_PBITS(j);
|
|
CK_ULONG seedBits = seedBytes*8;
|
|
|
|
*pParams = NULL;
|
|
*pVfy = NULL;
|
|
|
|
if (primeBits == (CK_ULONG)-1) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
goto loser;
|
|
}
|
|
PK11_SETATTRS(attrs, CKA_PRIME_BITS,&primeBits,sizeof(primeBits)); attrs++;
|
|
if (seedBits != 0) {
|
|
PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_SEED_BITS,
|
|
&seedBits, sizeof(seedBits)); attrs++;
|
|
}
|
|
count = attrs - genTemplate;
|
|
PR_ASSERT(count <= sizeof(genTemplate)/sizeof(CK_ATTRIBUTE));
|
|
|
|
slot = PK11_GetInternalSlot();
|
|
if (slot == NULL) {
|
|
/* set error */
|
|
goto loser;
|
|
}
|
|
|
|
/* Initialize the Key Gen Mechanism */
|
|
mechanism.mechanism = CKM_DSA_PARAMETER_GEN;
|
|
mechanism.pParameter = NULL;
|
|
mechanism.ulParameterLen = 0;
|
|
|
|
PK11_EnterSlotMonitor(slot);
|
|
crv = PK11_GETTAB(slot)->C_GenerateKey(slot->session,
|
|
&mechanism, genTemplate, count, &objectID);
|
|
PK11_ExitSlotMonitor(slot);
|
|
|
|
if (crv != CKR_OK) {
|
|
PORT_SetError( PK11_MapError(crv) );
|
|
goto loser;
|
|
}
|
|
|
|
parena = PORT_NewArena(60);
|
|
if (!parena) {
|
|
goto loser;
|
|
}
|
|
|
|
crv = PK11_GetAttributes(parena, slot, objectID, pTemplate, pTemplateCount);
|
|
if (crv != CKR_OK) {
|
|
PORT_SetError( PK11_MapError(crv) );
|
|
goto loser;
|
|
}
|
|
|
|
|
|
params = (PQGParams *)PORT_ArenaAlloc(parena,sizeof(PQGParams));
|
|
if (params == NULL) {
|
|
goto loser;
|
|
}
|
|
|
|
/* fill in Params */
|
|
params->arena = parena;
|
|
params->prime.type = siUnsignedInteger;
|
|
params->prime.data = pTemplate[0].pValue;
|
|
params->prime.len = pTemplate[0].ulValueLen;
|
|
params->subPrime.type = siUnsignedInteger;
|
|
params->subPrime.data = pTemplate[1].pValue;
|
|
params->subPrime.len = pTemplate[1].ulValueLen;
|
|
params->base.type = siUnsignedInteger;
|
|
params->base.data = pTemplate[2].pValue;
|
|
params->base.len = pTemplate[2].ulValueLen;
|
|
|
|
|
|
varena = PORT_NewArena(60);
|
|
if (!varena) {
|
|
goto loser;
|
|
}
|
|
|
|
crv = PK11_GetAttributes(varena, slot, objectID, vTemplate, vTemplateCount);
|
|
if (crv != CKR_OK) {
|
|
PORT_SetError( PK11_MapError(crv) );
|
|
goto loser;
|
|
}
|
|
|
|
|
|
verify = (PQGVerify *)PORT_ArenaAlloc(varena,sizeof(PQGVerify));
|
|
if (verify == NULL) {
|
|
goto loser;
|
|
}
|
|
/* fill in Params */
|
|
verify->arena = varena;
|
|
verify->counter = (unsigned int)(*(CK_ULONG*)vTemplate[0].pValue);
|
|
verify->seed.type = siUnsignedInteger;
|
|
verify->seed.data = vTemplate[1].pValue;
|
|
verify->seed.len = vTemplate[1].ulValueLen;
|
|
verify->h.type = siUnsignedInteger;
|
|
verify->h.data = vTemplate[2].pValue;
|
|
verify->h.len = vTemplate[2].ulValueLen;
|
|
|
|
PK11_DestroyObject(slot,objectID);
|
|
PK11_FreeSlot(slot);
|
|
|
|
*pParams = params;
|
|
*pVfy = verify;
|
|
|
|
return SECSuccess;
|
|
|
|
loser:
|
|
if (objectID != CK_INVALID_HANDLE) {
|
|
PK11_DestroyObject(slot,objectID);
|
|
}
|
|
if (parena != NULL) {
|
|
PORT_FreeArena(parena,PR_FALSE);
|
|
}
|
|
if (varena != NULL) {
|
|
PORT_FreeArena(varena,PR_FALSE);
|
|
}
|
|
if (slot) {
|
|
PK11_FreeSlot(slot);
|
|
}
|
|
return SECFailure;
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
return PK11_PQG_ParamGenSeedLen(j, 0, pParams, 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.
|
|
*/
|
|
|
|
extern SECStatus
|
|
PK11_PQG_VerifyParams(const PQGParams *params, const PQGVerify *vfy,
|
|
SECStatus *result)
|
|
{
|
|
CK_ATTRIBUTE keyTempl[] = {
|
|
{ CKA_CLASS, NULL, 0 },
|
|
{ CKA_KEY_TYPE, NULL, 0 },
|
|
{ CKA_PRIME, NULL, 0 },
|
|
{ CKA_SUBPRIME, NULL, 0 },
|
|
{ CKA_BASE, NULL, 0 },
|
|
{ CKA_TOKEN, NULL, 0 },
|
|
{ CKA_NETSCAPE_PQG_COUNTER, NULL, 0 },
|
|
{ CKA_NETSCAPE_PQG_SEED, NULL, 0 },
|
|
{ CKA_NETSCAPE_PQG_H, NULL, 0 },
|
|
};
|
|
CK_ATTRIBUTE *attrs;
|
|
CK_BBOOL ckfalse = CK_FALSE;
|
|
CK_OBJECT_CLASS class = CKO_KG_PARAMETERS;
|
|
CK_KEY_TYPE keyType = CKK_DSA;
|
|
SECStatus rv = SECSuccess;
|
|
PK11SlotInfo *slot;
|
|
int keyCount;
|
|
CK_OBJECT_HANDLE objectID;
|
|
CK_ULONG counter;
|
|
CK_RV crv;
|
|
|
|
attrs = keyTempl;
|
|
PK11_SETATTRS(attrs, CKA_CLASS, &class, sizeof(class)); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_KEY_TYPE, &keyType, sizeof(keyType)); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_PRIME, params->prime.data,
|
|
params->prime.len); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_SUBPRIME, params->subPrime.data,
|
|
params->subPrime.len); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_BASE,params->base.data,params->base.len); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_TOKEN, &ckfalse, sizeof(ckfalse)); attrs++;
|
|
if (vfy) {
|
|
counter = vfy->counter;
|
|
PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_COUNTER,
|
|
&counter, sizeof(counter)); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_SEED,
|
|
vfy->seed.data, vfy->seed.len); attrs++;
|
|
PK11_SETATTRS(attrs, CKA_NETSCAPE_PQG_H,
|
|
vfy->h.data, vfy->h.len); attrs++;
|
|
}
|
|
|
|
keyCount = attrs - keyTempl;
|
|
PORT_Assert(keyCount <= sizeof(keyTempl)/sizeof(keyTempl[0]));
|
|
|
|
|
|
slot = PK11_GetInternalSlot();
|
|
if (slot == NULL) {
|
|
return SECFailure;
|
|
}
|
|
|
|
PK11_EnterSlotMonitor(slot);
|
|
crv = PK11_GETTAB(slot)->C_CreateObject(slot->session, keyTempl, keyCount,
|
|
&objectID);
|
|
PK11_ExitSlotMonitor(slot);
|
|
|
|
/* throw away the keys, we only wanted the return code */
|
|
PK11_DestroyObject(slot,objectID);
|
|
PK11_FreeSlot(slot);
|
|
|
|
*result = SECSuccess;
|
|
if (crv == CKR_ATTRIBUTE_VALUE_INVALID) {
|
|
*result = SECFailure;
|
|
} else if (crv != CKR_OK) {
|
|
PORT_SetError( PK11_MapError(crv) );
|
|
rv = SECFailure;
|
|
}
|
|
return rv;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
* Free the PQGParams struct and the things it points to. *
|
|
**************************************************************************/
|
|
extern void
|
|
PK11_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);
|
|
}
|
|
}
|
|
|
|
/**************************************************************************
|
|
* Free the PQGVerify struct and the things it points to. *
|
|
**************************************************************************/
|
|
extern void
|
|
PK11_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);
|
|
}
|
|
}
|
|
|
|
#define PQG_DEFAULT_CHUNKSIZE 2048 /* bytes */
|
|
|
|
/**************************************************************************
|
|
* 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) {
|
|
PRArenaPool *arena;
|
|
PQGParams *dest;
|
|
SECStatus status;
|
|
|
|
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, prime);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->subPrime, subPrime);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->base, base);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
return dest;
|
|
|
|
loser:
|
|
if (arena != NULL)
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* 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) {
|
|
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);
|
|
**************************************************************************/
|
|
extern SECStatus
|
|
PK11_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);
|
|
**************************************************************************/
|
|
extern SECStatus
|
|
PK11_PQG_GetBaseFromParams(const PQGParams *params, SECItem *base) {
|
|
return SECITEM_CopyItem(NULL, base, ¶ms->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) {
|
|
PRArenaPool *arena;
|
|
PQGVerify * dest;
|
|
SECStatus status;
|
|
|
|
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 = counter;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->seed, seed);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
status = SECITEM_CopyItem(arena, &dest->h, h);
|
|
if (status != SECSuccess)
|
|
goto loser;
|
|
|
|
return dest;
|
|
|
|
loser:
|
|
if (arena != NULL)
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* Returns "counter" value from the PQGVerify.
|
|
**************************************************************************/
|
|
extern unsigned int
|
|
PK11_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);
|
|
**************************************************************************/
|
|
extern SECStatus
|
|
PK11_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);
|
|
**************************************************************************/
|
|
extern SECStatus
|
|
PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem * h) {
|
|
return SECITEM_CopyItem(NULL, h, &verify->h);
|
|
}
|