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6edae5d3b6
gecko-dev/security/nss/lib/pk11wrap/pk11akey.c
nelsonb%netscape.com 6edae5d3b6 Eliminate numerous potential causes of sending invalid (zero) session 
handles down to a PKCS11 module.  Bug 292049. r=relyea.
Modified Files: pk11akey.c pk11auth.c pk11obj.c pk11skey.c pk11slot.c
 	pk11util.c
2005-08-03 01:22:07 +00:00

2017 lines
57 KiB
C
Raw Blame History

/* ***** 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):
* Dr Stephen Henson <stephen.henson@gemplus.com>
* Dr Vipul Gupta <vipul.gupta@sun.com>, and
* Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
*
* 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 ***** */
/*
* This file contains functions to manage asymetric keys, (public and
* private keys).
*/
#include "seccomon.h"
#include "secmod.h"
#include "secmodi.h"
#include "secmodti.h"
#include "pkcs11.h"
#include "pkcs11t.h"
#include "pk11func.h"
#include "cert.h"
#include "key.h"
#include "secitem.h"
#include "secasn1.h"
#include "secoid.h"
#include "secerr.h"
#include "sslerr.h"
#include "sechash.h"
#include "secpkcs5.h"
#include "ec.h"
/*
* import a public key into the desired slot
*/
CK_OBJECT_HANDLE
PK11_ImportPublicKey(PK11SlotInfo *slot, SECKEYPublicKey *pubKey,
PRBool isToken)
{
CK_BBOOL cktrue = CK_TRUE;
CK_BBOOL ckfalse = CK_FALSE;
CK_OBJECT_CLASS keyClass = CKO_PUBLIC_KEY;
CK_KEY_TYPE keyType = CKK_GENERIC_SECRET;
CK_OBJECT_HANDLE objectID;
CK_ATTRIBUTE theTemplate[10];
CK_ATTRIBUTE *signedattr = NULL;
CK_ATTRIBUTE *attrs = theTemplate;
int signedcount = 0;
int templateCount = 0;
SECStatus rv;
/* if we already have an object in the desired slot, use it */
if (!isToken && pubKey->pkcs11Slot == slot) {
return pubKey->pkcs11ID;
}
/* free the existing key */
if (pubKey->pkcs11Slot != NULL) {
PK11SlotInfo *oSlot = pubKey->pkcs11Slot;
PK11_EnterSlotMonitor(oSlot);
(void) PK11_GETTAB(oSlot)->C_DestroyObject(oSlot->session,
pubKey->pkcs11ID);
PK11_ExitSlotMonitor(oSlot);
PK11_FreeSlot(oSlot);
pubKey->pkcs11Slot = NULL;
}
PK11_SETATTRS(attrs, CKA_CLASS, &keyClass, sizeof(keyClass) ); attrs++;
PK11_SETATTRS(attrs, CKA_KEY_TYPE, &keyType, sizeof(keyType) ); attrs++;
PK11_SETATTRS(attrs, CKA_TOKEN, isToken ? &cktrue : &ckfalse,
sizeof(CK_BBOOL) ); attrs++;
/* now import the key */
{
switch (pubKey->keyType) {
case rsaKey:
keyType = CKK_RSA;
PK11_SETATTRS(attrs, CKA_WRAP, &cktrue, sizeof(CK_BBOOL) ); attrs++;
PK11_SETATTRS(attrs, CKA_ENCRYPT, &cktrue,
sizeof(CK_BBOOL) ); attrs++;
PK11_SETATTRS(attrs, CKA_VERIFY, &cktrue, sizeof(CK_BBOOL)); attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_MODULUS, pubKey->u.rsa.modulus.data,
pubKey->u.rsa.modulus.len); attrs++;
PK11_SETATTRS(attrs, CKA_PUBLIC_EXPONENT,
pubKey->u.rsa.publicExponent.data,
pubKey->u.rsa.publicExponent.len); attrs++;
break;
case dsaKey:
keyType = CKK_DSA;
PK11_SETATTRS(attrs, CKA_VERIFY, &cktrue, sizeof(CK_BBOOL));attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, pubKey->u.dsa.params.prime.data,
pubKey->u.dsa.params.prime.len); attrs++;
PK11_SETATTRS(attrs,CKA_SUBPRIME,pubKey->u.dsa.params.subPrime.data,
pubKey->u.dsa.params.subPrime.len); attrs++;
PK11_SETATTRS(attrs, CKA_BASE, pubKey->u.dsa.params.base.data,
pubKey->u.dsa.params.base.len); attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, pubKey->u.dsa.publicValue.data,
pubKey->u.dsa.publicValue.len); attrs++;
break;
case fortezzaKey:
keyType = CKK_DSA;
PK11_SETATTRS(attrs, CKA_VERIFY, &cktrue, sizeof(CK_BBOOL));attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_PRIME,pubKey->u.fortezza.params.prime.data,
pubKey->u.fortezza.params.prime.len); attrs++;
PK11_SETATTRS(attrs,CKA_SUBPRIME,
pubKey->u.fortezza.params.subPrime.data,
pubKey->u.fortezza.params.subPrime.len);attrs++;
PK11_SETATTRS(attrs, CKA_BASE, pubKey->u.fortezza.params.base.data,
pubKey->u.fortezza.params.base.len); attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, pubKey->u.fortezza.DSSKey.data,
pubKey->u.fortezza.DSSKey.len); attrs++;
break;
case dhKey:
keyType = CKK_DH;
PK11_SETATTRS(attrs, CKA_DERIVE, &cktrue, sizeof(CK_BBOOL));attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, pubKey->u.dh.prime.data,
pubKey->u.dh.prime.len); attrs++;
PK11_SETATTRS(attrs, CKA_BASE, pubKey->u.dh.base.data,
pubKey->u.dh.base.len); attrs++;
PK11_SETATTRS(attrs, CKA_VALUE, pubKey->u.dh.publicValue.data,
pubKey->u.dh.publicValue.len); attrs++;
break;
#ifdef NSS_ENABLE_ECC
case ecKey:
keyType = CKK_EC;
PK11_SETATTRS(attrs, CKA_VERIFY, &cktrue, sizeof(CK_BBOOL));attrs++;
PK11_SETATTRS(attrs, CKA_DERIVE, &cktrue, sizeof(CK_BBOOL));attrs++;
signedattr = attrs;
PK11_SETATTRS(attrs, CKA_EC_PARAMS,
pubKey->u.ec.DEREncodedParams.data,
pubKey->u.ec.DEREncodedParams.len); attrs++;
PK11_SETATTRS(attrs, CKA_EC_POINT, pubKey->u.ec.publicValue.data,
pubKey->u.ec.publicValue.len); attrs++;
break;
#endif /* NSS_ENABLE_ECC */
default:
PORT_SetError( SEC_ERROR_BAD_KEY );
return CK_INVALID_HANDLE;
}
templateCount = attrs - theTemplate;
signedcount = attrs - signedattr;
PORT_Assert(templateCount <= (sizeof(theTemplate)/sizeof(CK_ATTRIBUTE)));
for (attrs=signedattr; signedcount; attrs++, signedcount--) {
pk11_SignedToUnsigned(attrs);
}
rv = PK11_CreateNewObject(slot, CK_INVALID_SESSION, theTemplate,
templateCount, isToken, &objectID);
if ( rv != SECSuccess) {
return CK_INVALID_HANDLE;
}
}
pubKey->pkcs11ID = objectID;
pubKey->pkcs11Slot = PK11_ReferenceSlot(slot);
return objectID;
}
/*
* take an attribute and copy it into a secitem
*/
static CK_RV
pk11_Attr2SecItem(PRArenaPool *arena, CK_ATTRIBUTE *attr, SECItem *item)
{
item->data = NULL;
(void)SECITEM_AllocItem(arena, item, attr->ulValueLen);
if (item->data == NULL) {
return CKR_HOST_MEMORY;
}
PORT_Memcpy(item->data, attr->pValue, item->len);
return CKR_OK;
}
/*
* extract a public key from a slot and id
*/
SECKEYPublicKey *
PK11_ExtractPublicKey(PK11SlotInfo *slot,KeyType keyType,CK_OBJECT_HANDLE id)
{
CK_OBJECT_CLASS keyClass = CKO_PUBLIC_KEY;
PRArenaPool *arena;
PRArenaPool *tmp_arena;
SECKEYPublicKey *pubKey;
int templateCount = 0;
CK_KEY_TYPE pk11KeyType;
CK_RV crv;
CK_ATTRIBUTE template[8];
CK_ATTRIBUTE *attrs= template;
CK_ATTRIBUTE *modulus,*exponent,*base,*prime,*subprime,*value;
#ifdef NSS_ENABLE_ECC
CK_ATTRIBUTE *ecparams;
#endif /* NSS_ENABLE_ECC */
/* if we didn't know the key type, get it */
if (keyType== nullKey) {
pk11KeyType = PK11_ReadULongAttribute(slot,id,CKA_KEY_TYPE);
if (pk11KeyType == CK_UNAVAILABLE_INFORMATION) {
return NULL;
}
switch (pk11KeyType) {
case CKK_RSA:
keyType = rsaKey;
break;
case CKK_DSA:
keyType = dsaKey;
break;
case CKK_DH:
keyType = dhKey;
break;
#ifdef NSS_ENABLE_ECC
case CKK_EC:
keyType = ecKey;
break;
#endif /* NSS_ENABLE_ECC */
default:
PORT_SetError( SEC_ERROR_BAD_KEY );
return NULL;
}
}
/* now we need to create space for the public key */
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) return NULL;
tmp_arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE);
if (tmp_arena == NULL) {
PORT_FreeArena (arena, PR_FALSE);
return NULL;
}
pubKey = (SECKEYPublicKey *)
PORT_ArenaZAlloc(arena, sizeof(SECKEYPublicKey));
if (pubKey == NULL) {
PORT_FreeArena (arena, PR_FALSE);
PORT_FreeArena (tmp_arena, PR_FALSE);
return NULL;
}
pubKey->arena = arena;
pubKey->keyType = keyType;
pubKey->pkcs11Slot = PK11_ReferenceSlot(slot);
pubKey->pkcs11ID = id;
PK11_SETATTRS(attrs, CKA_CLASS, &keyClass,
sizeof(keyClass)); attrs++;
PK11_SETATTRS(attrs, CKA_KEY_TYPE, &pk11KeyType,
sizeof(pk11KeyType) ); attrs++;
switch (pubKey->keyType) {
case rsaKey:
modulus = attrs;
PK11_SETATTRS(attrs, CKA_MODULUS, NULL, 0); attrs++;
exponent = attrs;
PK11_SETATTRS(attrs, CKA_PUBLIC_EXPONENT, NULL, 0); attrs++;
templateCount = attrs - template;
PR_ASSERT(templateCount <= sizeof(template)/sizeof(CK_ATTRIBUTE));
crv = PK11_GetAttributes(tmp_arena,slot,id,template,templateCount);
if (crv != CKR_OK) break;
if ((keyClass != CKO_PUBLIC_KEY) || (pk11KeyType != CKK_RSA)) {
crv = CKR_OBJECT_HANDLE_INVALID;
break;
}
crv = pk11_Attr2SecItem(arena,modulus,&pubKey->u.rsa.modulus);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,exponent,&pubKey->u.rsa.publicExponent);
if (crv != CKR_OK) break;
break;
case dsaKey:
prime = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, NULL, 0); attrs++;
subprime = attrs;
PK11_SETATTRS(attrs, CKA_SUBPRIME, NULL, 0); attrs++;
base = attrs;
PK11_SETATTRS(attrs, CKA_BASE, NULL, 0); attrs++;
value = attrs;
PK11_SETATTRS(attrs, CKA_VALUE, NULL, 0); attrs++;
templateCount = attrs - template;
PR_ASSERT(templateCount <= sizeof(template)/sizeof(CK_ATTRIBUTE));
crv = PK11_GetAttributes(tmp_arena,slot,id,template,templateCount);
if (crv != CKR_OK) break;
if ((keyClass != CKO_PUBLIC_KEY) || (pk11KeyType != CKK_DSA)) {
crv = CKR_OBJECT_HANDLE_INVALID;
break;
}
crv = pk11_Attr2SecItem(arena,prime,&pubKey->u.dsa.params.prime);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,subprime,&pubKey->u.dsa.params.subPrime);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,base,&pubKey->u.dsa.params.base);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,value,&pubKey->u.dsa.publicValue);
if (crv != CKR_OK) break;
break;
case dhKey:
prime = attrs;
PK11_SETATTRS(attrs, CKA_PRIME, NULL, 0); attrs++;
base = attrs;
PK11_SETATTRS(attrs, CKA_BASE, NULL, 0); attrs++;
value =attrs;
PK11_SETATTRS(attrs, CKA_VALUE, NULL, 0); attrs++;
templateCount = attrs - template;
PR_ASSERT(templateCount <= sizeof(template)/sizeof(CK_ATTRIBUTE));
crv = PK11_GetAttributes(tmp_arena,slot,id,template,templateCount);
if (crv != CKR_OK) break;
if ((keyClass != CKO_PUBLIC_KEY) || (pk11KeyType != CKK_DH)) {
crv = CKR_OBJECT_HANDLE_INVALID;
break;
}
crv = pk11_Attr2SecItem(arena,prime,&pubKey->u.dh.prime);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,base,&pubKey->u.dh.base);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,value,&pubKey->u.dh.publicValue);
if (crv != CKR_OK) break;
break;
#ifdef NSS_ENABLE_ECC
case ecKey:
pubKey->u.ec.size = 0;
ecparams = attrs;
PK11_SETATTRS(attrs, CKA_EC_PARAMS, NULL, 0); attrs++;
value =attrs;
PK11_SETATTRS(attrs, CKA_EC_POINT, NULL, 0); attrs++;
templateCount = attrs - template;
PR_ASSERT(templateCount <= sizeof(template)/sizeof(CK_ATTRIBUTE));
crv = PK11_GetAttributes(tmp_arena,slot,id,template,templateCount);
if (crv != CKR_OK) break;
if ((keyClass != CKO_PUBLIC_KEY) || (pk11KeyType != CKK_EC)) {
crv = CKR_OBJECT_HANDLE_INVALID;
break;
}
crv = pk11_Attr2SecItem(arena,ecparams,
&pubKey->u.ec.DEREncodedParams);
if (crv != CKR_OK) break;
crv = pk11_Attr2SecItem(arena,value,&pubKey->u.ec.publicValue);
if (crv != CKR_OK) break;
break;
#endif /* NSS_ENABLE_ECC */
case fortezzaKey:
case nullKey:
default:
crv = CKR_OBJECT_HANDLE_INVALID;
break;
}
PORT_FreeArena(tmp_arena,PR_FALSE);
if (crv != CKR_OK) {
PORT_FreeArena(arena,PR_FALSE);
PK11_FreeSlot(slot);
PORT_SetError( PK11_MapError(crv) );
return NULL;
}
return pubKey;
}
/*
* Build a Private Key structure from raw PKCS #11 information.
*/
SECKEYPrivateKey *
PK11_MakePrivKey(PK11SlotInfo *slot, KeyType keyType,
PRBool isTemp, CK_OBJECT_HANDLE privID, void *wincx)
{
PRArenaPool *arena;
SECKEYPrivateKey *privKey;
PRBool isPrivate;
SECStatus rv;
/* don't know? look it up */
if (keyType == nullKey) {
CK_KEY_TYPE pk11Type = CKK_RSA;
pk11Type = PK11_ReadULongAttribute(slot,privID,CKA_KEY_TYPE);
isTemp = (PRBool)!PK11_HasAttributeSet(slot,privID,CKA_TOKEN);
switch (pk11Type) {
case CKK_RSA: keyType = rsaKey; break;
case CKK_DSA: keyType = dsaKey; break;
case CKK_DH: keyType = dhKey; break;
case CKK_KEA: keyType = fortezzaKey; break;
#ifdef NSS_ENABLE_ECC
case CKK_EC: keyType = ecKey; break;
#endif /* NSS_ENABLE_ECC */
default:
break;
}
}
/* if the key is private, make sure we are authenticated to the
* token before we try to use it */
isPrivate = (PRBool)PK11_HasAttributeSet(slot,privID,CKA_PRIVATE);
if (isPrivate) {
rv = PK11_Authenticate(slot, PR_TRUE, wincx);
if (rv != SECSuccess) {
return NULL;
}
}
/* now we need to create space for the private key */
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) return NULL;
privKey = (SECKEYPrivateKey *)
PORT_ArenaZAlloc(arena, sizeof(SECKEYPrivateKey));
if (privKey == NULL) {
PORT_FreeArena(arena, PR_FALSE);
return NULL;
}
privKey->arena = arena;
privKey->keyType = keyType;
privKey->pkcs11Slot = PK11_ReferenceSlot(slot);
privKey->pkcs11ID = privID;
privKey->pkcs11IsTemp = isTemp;
privKey->wincx = wincx;
return privKey;
}
PK11SlotInfo *
PK11_GetSlotFromPrivateKey(SECKEYPrivateKey *key)
{
PK11SlotInfo *slot = key->pkcs11Slot;
slot = PK11_ReferenceSlot(slot);
return slot;
}
/*
* Get the modulus length for raw parsing
*/
int
PK11_GetPrivateModulusLen(SECKEYPrivateKey *key)
{
CK_ATTRIBUTE theTemplate = { CKA_MODULUS, NULL, 0 };
PK11SlotInfo *slot = key->pkcs11Slot;
CK_RV crv;
int length;
switch (key->keyType) {
case rsaKey:
crv = PK11_GetAttributes(NULL, slot, key->pkcs11ID, &theTemplate, 1);
if (crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
return -1;
}
length = theTemplate.ulValueLen;
if ( *(unsigned char *)theTemplate.pValue == 0) {
length--;
}
if (theTemplate.pValue != NULL)
PORT_Free(theTemplate.pValue);
return (int) length;
case fortezzaKey:
case dsaKey:
case dhKey:
default:
break;
}
if (theTemplate.pValue != NULL)
PORT_Free(theTemplate.pValue);
PORT_SetError( SEC_ERROR_INVALID_KEY );
return -1;
}
/*
* take a private key in one pkcs11 module and load it into another:
* NOTE: the source private key is a rare animal... it can't be sensitive.
* This is used to do a key gen using one pkcs11 module and storing the
* result into another.
*/
SECKEYPrivateKey *
pk11_loadPrivKey(PK11SlotInfo *slot,SECKEYPrivateKey *privKey,
SECKEYPublicKey *pubKey, PRBool token, PRBool sensitive)
{
CK_ATTRIBUTE privTemplate[] = {
/* class must be first */
{ CKA_CLASS, NULL, 0 },
{ CKA_KEY_TYPE, NULL, 0 },
/* these three must be next */
{ CKA_TOKEN, NULL, 0 },
{ CKA_PRIVATE, NULL, 0 },
{ CKA_SENSITIVE, NULL, 0 },
{ CKA_ID, NULL, 0 },
#ifdef notdef
{ CKA_LABEL, NULL, 0 },
{ CKA_SUBJECT, NULL, 0 },
#endif
/* RSA */
{ CKA_MODULUS, NULL, 0 },
{ CKA_PRIVATE_EXPONENT, NULL, 0 },
{ CKA_PUBLIC_EXPONENT, NULL, 0 },
{ CKA_PRIME_1, NULL, 0 },
{ CKA_PRIME_2, NULL, 0 },
{ CKA_EXPONENT_1, NULL, 0 },
{ CKA_EXPONENT_2, NULL, 0 },
{ CKA_COEFFICIENT, NULL, 0 },
};
CK_ATTRIBUTE *attrs = NULL, *ap;
int templateSize = sizeof(privTemplate)/sizeof(privTemplate[0]);
PRArenaPool *arena;
CK_OBJECT_HANDLE objectID;
int i, count = 0;
int extra_count = 0;
CK_RV crv;
SECStatus rv;
for (i=0; i < templateSize; i++) {
if (privTemplate[i].type == CKA_MODULUS) {
attrs= &privTemplate[i];
count = i;
break;
}
}
PORT_Assert(attrs != NULL);
if (attrs == NULL) {
PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
return NULL;
}
ap = attrs;
switch (privKey->keyType) {
case rsaKey:
count = templateSize;
extra_count = templateSize - (attrs - privTemplate);
break;
case dsaKey:
ap->type = CKA_PRIME; ap++; count++; extra_count++;
ap->type = CKA_SUBPRIME; ap++; count++; extra_count++;
ap->type = CKA_BASE; ap++; count++; extra_count++;
ap->type = CKA_VALUE; ap++; count++; extra_count++;
break;
case dhKey:
ap->type = CKA_PRIME; ap++; count++; extra_count++;
ap->type = CKA_BASE; ap++; count++; extra_count++;
ap->type = CKA_VALUE; ap++; count++; extra_count++;
break;
#ifdef NSS_ENABLE_ECC
case ecKey:
ap->type = CKA_EC_PARAMS; ap++; count++; extra_count++;
ap->type = CKA_VALUE; ap++; count++; extra_count++;
break;
#endif /* NSS_ENABLE_ECC */
default:
count = 0;
extra_count = 0;
break;
}
if (count == 0) {
PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
return NULL;
}
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) return NULL;
/*
* read out the old attributes.
*/
crv = PK11_GetAttributes(arena, privKey->pkcs11Slot, privKey->pkcs11ID,
privTemplate,count);
if (crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
PORT_FreeArena(arena, PR_TRUE);
return NULL;
}
/* Reset sensitive, token, and private */
*(CK_BBOOL *)(privTemplate[2].pValue) = token ? CK_TRUE : CK_FALSE;
*(CK_BBOOL *)(privTemplate[3].pValue) = token ? CK_TRUE : CK_FALSE;
*(CK_BBOOL *)(privTemplate[4].pValue) = sensitive ? CK_TRUE : CK_FALSE;
/* Not everyone can handle zero padded key values, give
* them the raw data as unsigned */
for (ap=attrs; extra_count; ap++, extra_count--) {
pk11_SignedToUnsigned(ap);
}
/* now Store the puppies */
rv = PK11_CreateNewObject(slot, CK_INVALID_SESSION, privTemplate,
count, token, &objectID);
PORT_FreeArena(arena, PR_TRUE);
if (rv != SECSuccess) {
return NULL;
}
/* try loading the public key as a token object */
if (pubKey) {
PK11_ImportPublicKey(slot, pubKey, PR_TRUE);
if (pubKey->pkcs11Slot) {
PK11_FreeSlot(pubKey->pkcs11Slot);
pubKey->pkcs11Slot = NULL;
pubKey->pkcs11ID = CK_INVALID_HANDLE;
}
}
/* build new key structure */
return PK11_MakePrivKey(slot, privKey->keyType, (PRBool)!token,
objectID, privKey->wincx);
}
/*
* export this for PSM
*/
SECKEYPrivateKey *
PK11_LoadPrivKey(PK11SlotInfo *slot,SECKEYPrivateKey *privKey,
SECKEYPublicKey *pubKey, PRBool token, PRBool sensitive)
{
return pk11_loadPrivKey(slot,privKey,pubKey,token,sensitive);
}
/*
* Use the token to Generate a key. keySize must be 'zero' for fixed key
* length algorithms. NOTE: this means we can never generate a DES2 key
* from this interface!
*/
SECKEYPrivateKey *
PK11_GenerateKeyPair(PK11SlotInfo *slot,CK_MECHANISM_TYPE type,
void *param, SECKEYPublicKey **pubKey, PRBool token,
PRBool sensitive, void *wincx)
{
/* we have to use these native types because when we call PKCS 11 modules
* we have to make sure that we are using the correct sizes for all the
* parameters. */
CK_BBOOL ckfalse = CK_FALSE;
CK_BBOOL cktrue = CK_TRUE;
CK_ULONG modulusBits;
CK_BYTE publicExponent[4];
CK_ATTRIBUTE privTemplate[] = {
{ CKA_SENSITIVE, NULL, 0},
{ CKA_TOKEN, NULL, 0},
{ CKA_PRIVATE, NULL, 0},
{ CKA_DERIVE, NULL, 0},
{ CKA_UNWRAP, NULL, 0},
{ CKA_SIGN, NULL, 0},
{ CKA_DECRYPT, NULL, 0},
};
CK_ATTRIBUTE rsaPubTemplate[] = {
{ CKA_MODULUS_BITS, NULL, 0},
{ CKA_PUBLIC_EXPONENT, NULL, 0},
{ CKA_TOKEN, NULL, 0},
{ CKA_DERIVE, NULL, 0},
{ CKA_WRAP, NULL, 0},
{ CKA_VERIFY, NULL, 0},
{ CKA_VERIFY_RECOVER, NULL, 0},
{ CKA_ENCRYPT, NULL, 0},
};
CK_ATTRIBUTE dsaPubTemplate[] = {
{ CKA_PRIME, NULL, 0 },
{ CKA_SUBPRIME, NULL, 0 },
{ CKA_BASE, NULL, 0 },
{ CKA_TOKEN, NULL, 0},
{ CKA_DERIVE, NULL, 0},
{ CKA_WRAP, NULL, 0},
{ CKA_VERIFY, NULL, 0},
{ CKA_VERIFY_RECOVER, NULL, 0},
{ CKA_ENCRYPT, NULL, 0},
};
CK_ATTRIBUTE dhPubTemplate[] = {
{ CKA_PRIME, NULL, 0 },
{ CKA_BASE, NULL, 0 },
{ CKA_TOKEN, NULL, 0},
{ CKA_DERIVE, NULL, 0},
{ CKA_WRAP, NULL, 0},
{ CKA_VERIFY, NULL, 0},
{ CKA_VERIFY_RECOVER, NULL, 0},
{ CKA_ENCRYPT, NULL, 0},
};
#ifdef NSS_ENABLE_ECC
CK_ATTRIBUTE ecPubTemplate[] = {
{ CKA_EC_PARAMS, NULL, 0 },
{ CKA_TOKEN, NULL, 0},
{ CKA_DERIVE, NULL, 0},
{ CKA_WRAP, NULL, 0},
{ CKA_VERIFY, NULL, 0},
{ CKA_VERIFY_RECOVER, NULL, 0},
{ CKA_ENCRYPT, NULL, 0},
};
int ecPubCount = sizeof(ecPubTemplate)/sizeof(ecPubTemplate[0]);
SECKEYECParams * ecParams;
#endif /* NSS_ENABLE_ECC */
int dsaPubCount = sizeof(dsaPubTemplate)/sizeof(dsaPubTemplate[0]);
/*CK_ULONG key_size = 0;*/
CK_ATTRIBUTE *pubTemplate;
int privCount = sizeof(privTemplate)/sizeof(privTemplate[0]);
int rsaPubCount = sizeof(rsaPubTemplate)/sizeof(rsaPubTemplate[0]);
int dhPubCount = sizeof(dhPubTemplate)/sizeof(dhPubTemplate[0]);
int pubCount = 0;
PK11RSAGenParams *rsaParams;
SECKEYPQGParams *dsaParams;
SECKEYDHParams * dhParams;
CK_MECHANISM mechanism;
CK_MECHANISM test_mech;
CK_SESSION_HANDLE session_handle;
CK_RV crv;
CK_OBJECT_HANDLE privID,pubID;
SECKEYPrivateKey *privKey;
KeyType keyType;
PRBool restore;
int peCount,i;
CK_ATTRIBUTE *attrs;
CK_ATTRIBUTE *privattrs;
SECItem *pubKeyIndex;
CK_ATTRIBUTE setTemplate;
CK_MECHANISM_INFO mechanism_info;
CK_OBJECT_CLASS keyClass;
SECItem *cka_id;
PRBool haslock = PR_FALSE;
PRBool pubIsToken = PR_FALSE;
PORT_Assert(slot != NULL);
if (slot == NULL) {
PORT_SetError( SEC_ERROR_NO_MODULE);
return NULL;
}
/* if our slot really doesn't do this mechanism, Generate the key
* in our internal token and write it out */
if (!PK11_DoesMechanism(slot,type)) {
PK11SlotInfo *int_slot = PK11_GetInternalSlot();
/* don't loop forever looking for a slot */
if (slot == int_slot) {
PK11_FreeSlot(int_slot);
PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
return NULL;
}
/* if there isn't a suitable slot, then we can't do the keygen */
if (int_slot == NULL) {
PORT_SetError( SEC_ERROR_NO_MODULE );
return NULL;
}
/* generate the temporary key to load */
privKey = PK11_GenerateKeyPair(int_slot,type, param, pubKey, PR_FALSE,
PR_FALSE, wincx);
PK11_FreeSlot(int_slot);
/* if successful, load the temp key into the new token */
if (privKey != NULL) {
SECKEYPrivateKey *newPrivKey = pk11_loadPrivKey(slot,privKey,
*pubKey,token,sensitive);
SECKEY_DestroyPrivateKey(privKey);
if (newPrivKey == NULL) {
SECKEY_DestroyPublicKey(*pubKey);
*pubKey = NULL;
}
return newPrivKey;
}
return NULL;
}
mechanism.mechanism = type;
mechanism.pParameter = NULL;
mechanism.ulParameterLen = 0;
test_mech.pParameter = NULL;
test_mech.ulParameterLen = 0;
/* set up the private key template */
privattrs = privTemplate;
PK11_SETATTRS(privattrs, CKA_SENSITIVE, sensitive ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
PK11_SETATTRS(privattrs, CKA_TOKEN, token ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
PK11_SETATTRS(privattrs, CKA_PRIVATE, sensitive ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
/* set up the mechanism specific info */
switch (type) {
case CKM_RSA_PKCS_KEY_PAIR_GEN:
case CKM_RSA_X9_31_KEY_PAIR_GEN:
rsaParams = (PK11RSAGenParams *)param;
if (rsaParams->pe == 0) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return NULL;
}
modulusBits = rsaParams->keySizeInBits;
peCount = 0;
/* convert pe to a PKCS #11 string */
for (i=0; i < 4; i++) {
if (peCount || (rsaParams->pe &
((unsigned long)0xff000000L >> (i*8)))) {
publicExponent[peCount] =
(CK_BYTE)((rsaParams->pe >> (3-i)*8) & 0xff);
peCount++;
}
}
PORT_Assert(peCount != 0);
attrs = rsaPubTemplate;
PK11_SETATTRS(attrs, CKA_MODULUS_BITS,
&modulusBits, sizeof(modulusBits)); attrs++;
PK11_SETATTRS(attrs, CKA_PUBLIC_EXPONENT,
publicExponent, peCount);attrs++;
pubTemplate = rsaPubTemplate;
pubCount = rsaPubCount;
keyType = rsaKey;
test_mech.mechanism = CKM_RSA_PKCS;
break;
case CKM_DSA_KEY_PAIR_GEN:
dsaParams = (SECKEYPQGParams *)param;
attrs = dsaPubTemplate;
PK11_SETATTRS(attrs, CKA_PRIME, dsaParams->prime.data,
dsaParams->prime.len); attrs++;
PK11_SETATTRS(attrs, CKA_SUBPRIME, dsaParams->subPrime.data,
dsaParams->subPrime.len); attrs++;
PK11_SETATTRS(attrs, CKA_BASE, dsaParams->base.data,
dsaParams->base.len); attrs++;
pubTemplate = dsaPubTemplate;
pubCount = dsaPubCount;
keyType = dsaKey;
test_mech.mechanism = CKM_DSA;
break;
case CKM_DH_PKCS_KEY_PAIR_GEN:
dhParams = (SECKEYDHParams *)param;
attrs = dhPubTemplate;
PK11_SETATTRS(attrs, CKA_PRIME, dhParams->prime.data,
dhParams->prime.len); attrs++;
PK11_SETATTRS(attrs, CKA_BASE, dhParams->base.data,
dhParams->base.len); attrs++;
pubTemplate = dhPubTemplate;
pubCount = dhPubCount;
keyType = dhKey;
test_mech.mechanism = CKM_DH_PKCS_DERIVE;
break;
#ifdef NSS_ENABLE_ECC
case CKM_EC_KEY_PAIR_GEN:
ecParams = (SECKEYECParams *)param;
attrs = ecPubTemplate;
PK11_SETATTRS(attrs, CKA_EC_PARAMS, ecParams->data,
ecParams->len); attrs++;
pubTemplate = ecPubTemplate;
pubCount = ecPubCount;
keyType = ecKey;
/* XXX An EC key can be used for other mechanisms too such
* as CKM_ECDSA and CKM_ECDSA_SHA1. How can we reflect
* that in test_mech.mechanism so the CKA_SIGN, CKA_VERIFY
* attributes are set correctly?
*/
test_mech.mechanism = CKM_ECDH1_DERIVE;
break;
#endif /* NSS_ENABLE_ECC */
default:
PORT_SetError( SEC_ERROR_BAD_KEY );
return NULL;
}
/* now query the slot to find out how "good" a key we can generate */
if (!slot->isThreadSafe) PK11_EnterSlotMonitor(slot);
crv = PK11_GETTAB(slot)->C_GetMechanismInfo(slot->slotID,
test_mech.mechanism,&mechanism_info);
if (!slot->isThreadSafe) PK11_ExitSlotMonitor(slot);
if ((crv != CKR_OK) || (mechanism_info.flags == 0)) {
/* must be old module... guess what it should be... */
switch (test_mech.mechanism) {
case CKM_RSA_PKCS:
mechanism_info.flags = (CKF_SIGN | CKF_DECRYPT |
CKF_WRAP | CKF_VERIFY_RECOVER | CKF_ENCRYPT | CKF_WRAP);;
break;
case CKM_DSA:
mechanism_info.flags = CKF_SIGN | CKF_VERIFY;
break;
case CKM_DH_PKCS_DERIVE:
mechanism_info.flags = CKF_DERIVE;
break;
#ifdef NSS_ENABLE_ECC
case CKM_ECDH1_DERIVE:
mechanism_info.flags = CKF_DERIVE;
break;
case CKM_ECDSA:
case CKM_ECDSA_SHA1:
mechanism_info.flags = CKF_SIGN | CKF_VERIFY;
break;
#endif /* NSS_ENABLE_ECC */
default:
break;
}
}
/* set the public key objects */
PK11_SETATTRS(attrs, CKA_TOKEN, token ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(attrs, CKA_DERIVE,
mechanism_info.flags & CKF_DERIVE ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(attrs, CKA_WRAP,
mechanism_info.flags & CKF_WRAP ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(attrs, CKA_VERIFY,
mechanism_info.flags & CKF_VERIFY ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(attrs, CKA_VERIFY_RECOVER,
mechanism_info.flags & CKF_VERIFY_RECOVER ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(attrs, CKA_ENCRYPT,
mechanism_info.flags & CKF_ENCRYPT? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); attrs++;
PK11_SETATTRS(privattrs, CKA_DERIVE,
mechanism_info.flags & CKF_DERIVE ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
PK11_SETATTRS(privattrs, CKA_UNWRAP,
mechanism_info.flags & CKF_UNWRAP ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
PK11_SETATTRS(privattrs, CKA_SIGN,
mechanism_info.flags & CKF_SIGN ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
PK11_SETATTRS(privattrs, CKA_DECRYPT,
mechanism_info.flags & CKF_DECRYPT ? &cktrue : &ckfalse,
sizeof(CK_BBOOL)); privattrs++;
if (token) {
session_handle = PK11_GetRWSession(slot);
haslock = PK11_RWSessionHasLock(slot,session_handle);
restore = PR_TRUE;
} else {
session_handle = slot->session;
if (session_handle != CK_INVALID_SESSION)
PK11_EnterSlotMonitor(slot);
restore = PR_FALSE;
haslock = PR_TRUE;
}
if (session_handle == CK_INVALID_SESSION) {
PORT_SetError(SEC_ERROR_BAD_DATA);
return NULL;
}
crv = PK11_GETTAB(slot)->C_GenerateKeyPair(session_handle, &mechanism,
pubTemplate,pubCount,privTemplate,privCount,&pubID,&privID);
if (crv != CKR_OK) {
if (restore) {
PK11_RestoreROSession(slot,session_handle);
} else PK11_ExitSlotMonitor(slot);
PORT_SetError( PK11_MapError(crv) );
return NULL;
}
/* This locking code is dangerous and needs to be more thought
* out... the real problem is that we're holding the mutex open this long
*/
if (haslock) { PK11_ExitSlotMonitor(slot); }
/* swap around the ID's for older PKCS #11 modules */
keyClass = PK11_ReadULongAttribute(slot,pubID,CKA_CLASS);
if (keyClass != CKO_PUBLIC_KEY) {
CK_OBJECT_HANDLE tmp = pubID;
pubID = privID;
privID = tmp;
}
*pubKey = PK11_ExtractPublicKey(slot, keyType, pubID);
if (*pubKey == NULL) {
if (restore) {
/* we may have to restore the mutex so it get's exited properly
* in RestoreROSession */
if (haslock) PK11_EnterSlotMonitor(slot);
PK11_RestoreROSession(slot,session_handle);
}
PK11_DestroyObject(slot,pubID);
PK11_DestroyObject(slot,privID);
return NULL;
}
/* set the ID to the public key so we can find it again */
pubKeyIndex = NULL;
switch (type) {
case CKM_RSA_PKCS_KEY_PAIR_GEN:
case CKM_RSA_X9_31_KEY_PAIR_GEN:
pubKeyIndex = &(*pubKey)->u.rsa.modulus;
break;
case CKM_DSA_KEY_PAIR_GEN:
pubKeyIndex = &(*pubKey)->u.dsa.publicValue;
break;
case CKM_DH_PKCS_KEY_PAIR_GEN:
pubKeyIndex = &(*pubKey)->u.dh.publicValue;
break;
#ifdef NSS_ENABLE_ECC
case CKM_EC_KEY_PAIR_GEN:
pubKeyIndex = &(*pubKey)->u.ec.publicValue;
break;
#endif /* NSS_ENABLE_ECC */
}
PORT_Assert(pubKeyIndex != NULL);
cka_id = PK11_MakeIDFromPubKey(pubKeyIndex);
pubIsToken = (PRBool)PK11_HasAttributeSet(slot,pubID, CKA_TOKEN);
PK11_SETATTRS(&setTemplate, CKA_ID, cka_id->data, cka_id->len);
if (haslock) { PK11_EnterSlotMonitor(slot); }
crv = PK11_GETTAB(slot)->C_SetAttributeValue(session_handle, privID,
&setTemplate, 1);
if (crv == CKR_OK && pubIsToken) {
crv = PK11_GETTAB(slot)->C_SetAttributeValue(session_handle, pubID,
&setTemplate, 1);
}
if (restore) {
PK11_RestoreROSession(slot,session_handle);
} else {
PK11_ExitSlotMonitor(slot);
}
SECITEM_FreeItem(cka_id,PR_TRUE);
if (crv != CKR_OK) {
PK11_DestroyObject(slot,pubID);
PK11_DestroyObject(slot,privID);
PORT_SetError( PK11_MapError(crv) );
*pubKey = NULL;
return NULL;
}
privKey = PK11_MakePrivKey(slot,keyType,(PRBool)!token,privID,wincx);
if (privKey == NULL) {
SECKEY_DestroyPublicKey(*pubKey);
PK11_DestroyObject(slot,privID);
*pubKey = NULL;
return NULL;
}
return privKey;
}
/* build a public KEA key from the public value */
SECKEYPublicKey *
PK11_MakeKEAPubKey(unsigned char *keyData,int length)
{
SECKEYPublicKey *pubk;
SECItem pkData;
SECStatus rv;
PRArenaPool *arena;
pkData.data = keyData;
pkData.len = length;
arena = PORT_NewArena (DER_DEFAULT_CHUNKSIZE);
if (arena == NULL)
return NULL;
pubk = (SECKEYPublicKey *) PORT_ArenaZAlloc(arena, sizeof(SECKEYPublicKey));
if (pubk == NULL) {
PORT_FreeArena (arena, PR_FALSE);
return NULL;
}
pubk->arena = arena;
pubk->pkcs11Slot = 0;
pubk->pkcs11ID = CK_INVALID_HANDLE;
pubk->keyType = fortezzaKey;
rv = SECITEM_CopyItem(arena, &pubk->u.fortezza.KEAKey, &pkData);
if (rv != SECSuccess) {
PORT_FreeArena (arena, PR_FALSE);
return NULL;
}
return pubk;
}
SECStatus
PK11_ImportEncryptedPrivateKeyInfo(PK11SlotInfo *slot,
SECKEYEncryptedPrivateKeyInfo *epki, SECItem *pwitem,
SECItem *nickname, SECItem *publicValue, PRBool isPerm,
PRBool isPrivate, KeyType keyType,
unsigned int keyUsage, void *wincx)
{
CK_MECHANISM_TYPE mechanism;
SECItem *pbe_param, crypto_param;
PK11SymKey *key = NULL;
SECStatus rv = SECSuccess;
CK_MECHANISM cryptoMech, pbeMech;
CK_RV crv;
SECKEYPrivateKey *privKey = NULL;
PRBool faulty3DES = PR_FALSE;
int usageCount = 0;
CK_KEY_TYPE key_type;
CK_ATTRIBUTE_TYPE *usage = NULL;
CK_ATTRIBUTE_TYPE rsaUsage[] = {
CKA_UNWRAP, CKA_DECRYPT, CKA_SIGN, CKA_SIGN_RECOVER };
CK_ATTRIBUTE_TYPE dsaUsage[] = { CKA_SIGN };
CK_ATTRIBUTE_TYPE dhUsage[] = { CKA_DERIVE };
#ifdef NSS_ENABLE_ECC
CK_ATTRIBUTE_TYPE ecUsage[] = { CKA_SIGN, CKA_DERIVE };
#endif /* NSS_ENABLE_ECC */
if((epki == NULL) || (pwitem == NULL))
return SECFailure;
crypto_param.data = NULL;
mechanism = PK11_AlgtagToMechanism(SECOID_FindOIDTag(
&epki->algorithm.algorithm));
switch (keyType) {
default:
case rsaKey:
key_type = CKK_RSA;
switch (keyUsage & (KU_KEY_ENCIPHERMENT|KU_DIGITAL_SIGNATURE)) {
case KU_KEY_ENCIPHERMENT:
usage = rsaUsage;
usageCount = 2;
break;
case KU_DIGITAL_SIGNATURE:
usage = &rsaUsage[2];
usageCount = 2;
break;
case KU_KEY_ENCIPHERMENT|KU_DIGITAL_SIGNATURE:
case 0: /* default to everything */
usage = rsaUsage;
usageCount = 4;
break;
}
break;
case dhKey:
key_type = CKK_DH;
usage = dhUsage;
usageCount = sizeof(dhUsage)/sizeof(dhUsage[0]);
break;
case dsaKey:
key_type = CKK_DSA;
usage = dsaUsage;
usageCount = sizeof(dsaUsage)/sizeof(dsaUsage[0]);
break;
#ifdef NSS_ENABLE_ECC
case ecKey:
key_type = CKK_EC;
switch (keyUsage & (KU_DIGITAL_SIGNATURE|KU_KEY_AGREEMENT)) {
case KU_DIGITAL_SIGNATURE:
usage = ecUsage;
usageCount = 1;
break;
case KU_KEY_AGREEMENT:
usage = &ecUsage[1];
usageCount = 1;
break;
case KU_DIGITAL_SIGNATURE|KU_KEY_AGREEMENT:
default: /* default to everything */
usage = ecUsage;
usageCount = 2;
break;
}
break;
#endif /* NSS_ENABLE_ECC */
}
try_faulty_3des:
pbe_param = PK11_ParamFromAlgid(&epki->algorithm);
key = PK11_RawPBEKeyGen(slot, mechanism, pbe_param, pwitem,
faulty3DES, wincx);
if((key == NULL) || (pbe_param == NULL)) {
rv = SECFailure;
goto done;
}
pbeMech.mechanism = mechanism;
pbeMech.pParameter = pbe_param->data;
pbeMech.ulParameterLen = pbe_param->len;
crv = PK11_MapPBEMechanismToCryptoMechanism(&pbeMech, &cryptoMech,
pwitem, faulty3DES);
if(crv != CKR_OK) {
rv = SECFailure;
goto done;
}
cryptoMech.mechanism = PK11_GetPadMechanism(cryptoMech.mechanism);
crypto_param.data = (unsigned char*)cryptoMech.pParameter;
crypto_param.len = cryptoMech.ulParameterLen;
PORT_Assert(usage != NULL);
PORT_Assert(usageCount != 0);
privKey = PK11_UnwrapPrivKey(slot, key, cryptoMech.mechanism,
&crypto_param, &epki->encryptedData,
nickname, publicValue, isPerm, isPrivate,
key_type, usage, usageCount, wincx);
if(privKey) {
SECKEY_DestroyPrivateKey(privKey);
privKey = NULL;
rv = SECSuccess;
goto done;
}
/* if we are unable to import the key and the mechanism is
* CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC, then it is possible that
* the encrypted blob was created with a buggy key generation method
* which is described in the PKCS 12 implementation notes. So we
* need to try importing via that method.
*/
if((mechanism == CKM_NETSCAPE_PBE_SHA1_TRIPLE_DES_CBC) && (!faulty3DES)) {
/* clean up after ourselves before redoing the key generation. */
PK11_FreeSymKey(key);
key = NULL;
if(pbe_param) {
SECITEM_ZfreeItem(pbe_param, PR_TRUE);
pbe_param = NULL;
}
if(crypto_param.data) {
SECITEM_ZfreeItem(&crypto_param, PR_FALSE);
crypto_param.data = NULL;
cryptoMech.pParameter = NULL;
crypto_param.len = cryptoMech.ulParameterLen = 0;
}
faulty3DES = PR_TRUE;
goto try_faulty_3des;
}
/* key import really did fail */
rv = SECFailure;
done:
if(pbe_param != NULL) {
SECITEM_ZfreeItem(pbe_param, PR_TRUE);
pbe_param = NULL;
}
if(crypto_param.data != NULL) {
SECITEM_ZfreeItem(&crypto_param, PR_FALSE);
}
if(key != NULL) {
PK11_FreeSymKey(key);
}
return rv;
}
SECKEYPrivateKeyInfo *
PK11_ExportPrivateKeyInfo(CERTCertificate *cert, void *wincx)
{
return NULL;
}
static int
pk11_private_key_encrypt_buffer_length(SECKEYPrivateKey *key)
{
CK_ATTRIBUTE rsaTemplate = { CKA_MODULUS, NULL, 0 };
CK_ATTRIBUTE dsaTemplate = { CKA_PRIME, NULL, 0 };
#ifdef NSS_ENABLE_ECC
/* XXX We should normally choose an attribute such that
* factor times its size is enough to hold the private key.
* For EC keys, we have no choice but to use CKA_EC_PARAMS,
* CKA_VALUE is not available for token keys. But for named
* curves, the number of bytes needed to represent the params
* is quite small so we bump up factor from 10 to 15.
*/
CK_ATTRIBUTE ecTemplate = { CKA_EC_PARAMS, NULL, 0 };
#endif /* NSS_ENABLE_ECC */
CK_ATTRIBUTE_PTR pTemplate;
CK_RV crv;
int length;
int factor = 10;
if(!key) {
return -1;
}
switch (key->keyType) {
case rsaKey:
pTemplate = &rsaTemplate;
break;
case dsaKey:
case dhKey:
pTemplate = &dsaTemplate;
break;
#ifdef NSS_ENABLE_ECC
case ecKey:
pTemplate = &ecTemplate;
factor = 15;
break;
#endif /* NSS_ENABLE_ECC */
case fortezzaKey:
default:
pTemplate = NULL;
}
if(!pTemplate) {
return -1;
}
crv = PK11_GetAttributes(NULL, key->pkcs11Slot, key->pkcs11ID,
pTemplate, 1);
if(crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
return -1;
}
length = pTemplate->ulValueLen;
length *= factor;
if(pTemplate->pValue != NULL) {
PORT_Free(pTemplate->pValue);
}
return length;
}
SECKEYEncryptedPrivateKeyInfo *
PK11_ExportEncryptedPrivKeyInfo(
PK11SlotInfo *slot, /* optional, encrypt key in this slot */
SECOidTag algTag, /* encrypt key with this algorithm */
SECItem *pwitem, /* password for PBE encryption */
SECKEYPrivateKey *pk, /* encrypt this private key */
int iteration, /* interations for PBE alg */
void *wincx) /* context for password callback ? */
{
SECKEYEncryptedPrivateKeyInfo *epki = NULL;
PRArenaPool *arena = NULL;
SECAlgorithmID *algid;
SECItem *pbe_param = NULL;
PK11SymKey *key = NULL;
SECStatus rv = SECSuccess;
int encryptBufLen;
CK_RV crv;
CK_ULONG encBufLenPtr;
CK_MECHANISM_TYPE mechanism;
CK_MECHANISM pbeMech;
CK_MECHANISM cryptoMech;
SECItem crypto_param;
SECItem encryptedKey = {siBuffer, NULL, 0};
if (!pwitem || !pk) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return NULL;
}
algid = SEC_PKCS5CreateAlgorithmID(algTag, NULL, iteration);
if (algid == NULL) {
return NULL;
}
crypto_param.data = NULL;
arena = PORT_NewArena(2048);
if (arena)
epki = PORT_ArenaZNew(arena, SECKEYEncryptedPrivateKeyInfo);
if(epki == NULL) {
rv = SECFailure;
goto loser;
}
epki->arena = arena;
mechanism = PK11_AlgtagToMechanism(algTag);
pbe_param = PK11_ParamFromAlgid(algid);
if (!pbe_param || mechanism == CKM_INVALID_MECHANISM) {
rv = SECFailure;
goto loser;
}
pbeMech.mechanism = mechanism;
pbeMech.pParameter = pbe_param->data;
pbeMech.ulParameterLen = pbe_param->len;
/* if we didn't specify a slot, use the slot the private key was in */
if (!slot) {
slot = pk->pkcs11Slot;
}
/* if we specified a different slot, and the private key slot can do the
* pbe key gen, generate the key in the private key slot so we don't have
* to move it later */
if (slot != pk->pkcs11Slot) {
if (PK11_DoesMechanism(pk->pkcs11Slot,mechanism)) {
slot = pk->pkcs11Slot;
}
}
key = PK11_RawPBEKeyGen(slot, mechanism, pbe_param, pwitem,
PR_FALSE, wincx);
if((key == NULL) || (pbe_param == NULL)) {
rv = SECFailure;
goto loser;
}
crv = PK11_MapPBEMechanismToCryptoMechanism(&pbeMech, &cryptoMech,
pwitem, PR_FALSE);
if(crv != CKR_OK) {
rv = SECFailure;
goto loser;
}
cryptoMech.mechanism = PK11_GetPadMechanism(cryptoMech.mechanism);
crypto_param.data = (unsigned char *)cryptoMech.pParameter;
crypto_param.len = cryptoMech.ulParameterLen;
encryptBufLen = pk11_private_key_encrypt_buffer_length(pk);
if(encryptBufLen == -1) {
rv = SECFailure;
goto loser;
}
encryptedKey.len = (unsigned int)encryptBufLen;
encBufLenPtr = (CK_ULONG) encryptBufLen;
encryptedKey.data = (unsigned char *)PORT_ZAlloc(encryptedKey.len);
if(!encryptedKey.data) {
rv = SECFailure;
goto loser;
}
/* If the key isn't in the private key slot, move it */
if (key->slot != pk->pkcs11Slot) {
PK11SymKey *newkey = pk11_CopyToSlot(pk->pkcs11Slot,
key->type, CKA_WRAP, key);
if (newkey == NULL) {
rv= SECFailure;
goto loser;
}
/* free the old key and use the new key */
PK11_FreeSymKey(key);
key = newkey;
}
/* we are extracting an encrypted privateKey structure.
* which needs to be freed along with the buffer into which it is
* returned. eventually, we should retrieve an encrypted key using
* pkcs8/pkcs5.
*/
PK11_EnterSlotMonitor(pk->pkcs11Slot);
crv = PK11_GETTAB(pk->pkcs11Slot)->C_WrapKey(pk->pkcs11Slot->session,
&cryptoMech, key->objectID, pk->pkcs11ID, encryptedKey.data,
&encBufLenPtr);
PK11_ExitSlotMonitor(pk->pkcs11Slot);
encryptedKey.len = (unsigned int) encBufLenPtr;
if(crv != CKR_OK) {
rv = SECFailure;
goto loser;
}
if(!encryptedKey.len) {
rv = SECFailure;
goto loser;
}
rv = SECITEM_CopyItem(arena, &epki->encryptedData, &encryptedKey);
if(rv != SECSuccess) {
goto loser;
}
rv = SECOID_CopyAlgorithmID(arena, &epki->algorithm, algid);
loser:
if(pbe_param != NULL) {
SECITEM_ZfreeItem(pbe_param, PR_TRUE);
pbe_param = NULL;
}
if(crypto_param.data != NULL) {
SECITEM_ZfreeItem(&crypto_param, PR_FALSE);
crypto_param.data = NULL;
}
if(key != NULL) {
PK11_FreeSymKey(key);
}
SECOID_DestroyAlgorithmID(algid, PR_TRUE);
if(rv == SECFailure) {
if(arena != NULL) {
PORT_FreeArena(arena, PR_TRUE);
}
epki = NULL;
}
return epki;
}
SECKEYEncryptedPrivateKeyInfo *
PK11_ExportEncryptedPrivateKeyInfo(
PK11SlotInfo *slot, /* optional, encrypt key in this slot */
SECOidTag algTag, /* encrypt key with this algorithm */
SECItem *pwitem, /* password for PBE encryption */
CERTCertificate *cert, /* wrap priv key for this user cert */
int iteration, /* interations for PBE alg */
void *wincx) /* context for password callback ? */
{
SECKEYEncryptedPrivateKeyInfo *epki = NULL;
SECKEYPrivateKey *pk = PK11_FindKeyByAnyCert(cert, wincx);
if (pk != NULL) {
epki = PK11_ExportEncryptedPrivKeyInfo(slot, algTag, pwitem, pk,
iteration, wincx);
SECKEY_DestroyPrivateKey(pk);
}
return epki;
}
SECItem*
PK11_DEREncodePublicKey(SECKEYPublicKey *pubk)
{
CERTSubjectPublicKeyInfo *spki=NULL;
SECItem *spkiDER = NULL;
if( pubk == NULL ) {
return NULL;
}
/* get the subjectpublickeyinfo */
spki = SECKEY_CreateSubjectPublicKeyInfo(pubk);
if( spki == NULL ) {
goto finish;
}
/* DER-encode the subjectpublickeyinfo */
spkiDER = SEC_ASN1EncodeItem(NULL /*arena*/, NULL/*dest*/, spki,
CERT_SubjectPublicKeyInfoTemplate);
finish:
return spkiDER;
}
char *
PK11_GetPrivateKeyNickname(SECKEYPrivateKey *privKey)
{
return PK11_GetObjectNickname(privKey->pkcs11Slot,privKey->pkcs11ID);
}
char *
PK11_GetPublicKeyNickname(SECKEYPublicKey *pubKey)
{
return PK11_GetObjectNickname(pubKey->pkcs11Slot,pubKey->pkcs11ID);
}
SECStatus
PK11_SetPrivateKeyNickname(SECKEYPrivateKey *privKey, const char *nickname)
{
return PK11_SetObjectNickname(privKey->pkcs11Slot,
privKey->pkcs11ID,nickname);
}
SECStatus
PK11_SetPublicKeyNickname(SECKEYPublicKey *pubKey, const char *nickname)
{
return PK11_SetObjectNickname(pubKey->pkcs11Slot,
pubKey->pkcs11ID,nickname);
}
SECKEYPQGParams *
PK11_GetPQGParamsFromPrivateKey(SECKEYPrivateKey *privKey)
{
CK_ATTRIBUTE pTemplate[] = {
{ CKA_PRIME, NULL, 0 },
{ CKA_SUBPRIME, NULL, 0 },
{ CKA_BASE, NULL, 0 },
};
int pTemplateLen = sizeof(pTemplate)/sizeof(pTemplate[0]);
PRArenaPool *arena = NULL;
SECKEYPQGParams *params;
CK_RV crv;
arena = PORT_NewArena(2048);
if (arena == NULL) {
goto loser;
}
params=(SECKEYPQGParams *)PORT_ArenaZAlloc(arena,sizeof(SECKEYPQGParams));
if (params == NULL) {
goto loser;
}
crv = PK11_GetAttributes(arena, privKey->pkcs11Slot, privKey->pkcs11ID,
pTemplate, pTemplateLen);
if (crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
goto loser;
}
params->arena = arena;
params->prime.data = pTemplate[0].pValue;
params->prime.len = pTemplate[0].ulValueLen;
params->subPrime.data = pTemplate[1].pValue;
params->subPrime.len = pTemplate[1].ulValueLen;
params->base.data = pTemplate[2].pValue;
params->base.len = pTemplate[2].ulValueLen;
return params;
loser:
if (arena != NULL) {
PORT_FreeArena(arena,PR_FALSE);
}
return NULL;
}
SECKEYPrivateKey*
PK11_ConvertSessionPrivKeyToTokenPrivKey(SECKEYPrivateKey *privk, void* wincx)
{
PK11SlotInfo* slot = privk->pkcs11Slot;
CK_ATTRIBUTE template[1];
CK_ATTRIBUTE *attrs = template;
CK_BBOOL cktrue = CK_TRUE;
CK_RV crv;
CK_OBJECT_HANDLE newKeyID;
CK_SESSION_HANDLE rwsession;
PK11_SETATTRS(attrs, CKA_TOKEN, &cktrue, sizeof(cktrue)); attrs++;
PK11_Authenticate(slot, PR_TRUE, wincx);
rwsession = PK11_GetRWSession(slot);
if (rwsession == CK_INVALID_SESSION) {
PORT_SetError(SEC_ERROR_BAD_DATA);
return NULL;
}
crv = PK11_GETTAB(slot)->C_CopyObject(rwsession, privk->pkcs11ID,
template, 1, &newKeyID);
PK11_RestoreROSession(slot, rwsession);
if (crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
return NULL;
}
return PK11_MakePrivKey(slot, nullKey /*KeyType*/, PR_FALSE /*isTemp*/,
newKeyID, NULL /*wincx*/);
}
/*
* destroy a private key if there are no matching certs.
* this function also frees the privKey structure.
*/
SECStatus
PK11_DeleteTokenPrivateKey(SECKEYPrivateKey *privKey, PRBool force)
{
CERTCertificate *cert=PK11_GetCertFromPrivateKey(privKey);
/* found a cert matching the private key?. */
if (!force && cert != NULL) {
/* yes, don't delete the key */
CERT_DestroyCertificate(cert);
SECKEY_DestroyPrivateKey(privKey);
return SECWouldBlock;
}
/* now, then it's safe for the key to go away */
PK11_DestroyTokenObject(privKey->pkcs11Slot,privKey->pkcs11ID);
SECKEY_DestroyPrivateKey(privKey);
return SECSuccess;
}
/*
* destroy a private key if there are no matching certs.
* this function also frees the privKey structure.
*/
SECStatus
PK11_DeleteTokenPublicKey(SECKEYPublicKey *pubKey)
{
/* now, then it's safe for the key to go away */
if (pubKey->pkcs11Slot == NULL) {
return SECFailure;
}
PK11_DestroyTokenObject(pubKey->pkcs11Slot,pubKey->pkcs11ID);
SECKEY_DestroyPublicKey(pubKey);
return SECSuccess;
}
/*
* key call back structure.
*/
typedef struct pk11KeyCallbackStr {
SECStatus (* callback)(SECKEYPrivateKey *,void *);
void *callbackArg;
void *wincx;
} pk11KeyCallback;
/*
* callback to map Object Handles to Private Keys;
*/
SECStatus
pk11_DoKeys(PK11SlotInfo *slot, CK_OBJECT_HANDLE keyHandle, void *arg)
{
SECStatus rv = SECSuccess;
SECKEYPrivateKey *privKey;
pk11KeyCallback *keycb = (pk11KeyCallback *) arg;
privKey = PK11_MakePrivKey(slot,nullKey,PR_TRUE,keyHandle,keycb->wincx);
if (privKey == NULL) {
return SECFailure;
}
if (keycb && (keycb->callback)) {
rv = (*keycb->callback)(privKey,keycb->callbackArg);
}
SECKEY_DestroyPrivateKey(privKey);
return rv;
}
/***********************************************************************
* PK11_TraversePrivateKeysInSlot
*
* Traverses all the private keys on a slot.
*
* INPUTS
* slot
* The PKCS #11 slot whose private keys you want to traverse.
* callback
* A callback function that will be called for each key.
* arg
* An argument that will be passed to the callback function.
*/
SECStatus
PK11_TraversePrivateKeysInSlot( PK11SlotInfo *slot,
SECStatus(* callback)(SECKEYPrivateKey*, void*), void *arg)
{
pk11KeyCallback perKeyCB;
pk11TraverseSlot perObjectCB;
CK_OBJECT_CLASS privkClass = CKO_PRIVATE_KEY;
CK_BBOOL ckTrue = CK_TRUE;
CK_ATTRIBUTE theTemplate[2];
int templateSize = 2;
theTemplate[0].type = CKA_CLASS;
theTemplate[0].pValue = &privkClass;
theTemplate[0].ulValueLen = sizeof(privkClass);
theTemplate[1].type = CKA_TOKEN;
theTemplate[1].pValue = &ckTrue;
theTemplate[1].ulValueLen = sizeof(ckTrue);
if(slot==NULL) {
return SECSuccess;
}
perObjectCB.callback = pk11_DoKeys;
perObjectCB.callbackArg = &perKeyCB;
perObjectCB.findTemplate = theTemplate;
perObjectCB.templateCount = templateSize;
perKeyCB.callback = callback;
perKeyCB.callbackArg = arg;
perKeyCB.wincx = NULL;
return PK11_TraverseSlot(slot, &perObjectCB);
}
/*
* return the private key with the given ID
*/
CK_OBJECT_HANDLE
pk11_FindPrivateKeyFromCertID(PK11SlotInfo *slot, SECItem *keyID)
{
CK_OBJECT_CLASS privKey = CKO_PRIVATE_KEY;
CK_ATTRIBUTE theTemplate[] = {
{ CKA_ID, NULL, 0 },
{ CKA_CLASS, NULL, 0 },
};
/* if you change the array, change the variable below as well */
int tsize = sizeof(theTemplate)/sizeof(theTemplate[0]);
CK_ATTRIBUTE *attrs = theTemplate;
PK11_SETATTRS(attrs, CKA_ID, keyID->data, keyID->len ); attrs++;
PK11_SETATTRS(attrs, CKA_CLASS, &privKey, sizeof(privKey));
return pk11_FindObjectByTemplate(slot,theTemplate,tsize);
}
SECKEYPrivateKey *
PK11_FindKeyByKeyID(PK11SlotInfo *slot, SECItem *keyID, void *wincx)
{
CK_OBJECT_HANDLE keyHandle;
SECKEYPrivateKey *privKey;
keyHandle = pk11_FindPrivateKeyFromCertID(slot, keyID);
if (keyHandle == CK_INVALID_HANDLE) {
return NULL;
}
privKey = PK11_MakePrivKey(slot, nullKey, PR_TRUE, keyHandle, wincx);
return privKey;
}
/*
* Generate a CKA_ID from the relevant public key data. The CKA_ID is generated
* from the pubKeyData by SHA1_Hashing it to produce a smaller CKA_ID (to make
* smart cards happy.
*/
SECItem *
PK11_MakeIDFromPubKey(SECItem *pubKeyData)
{
PK11Context *context;
SECItem *certCKA_ID;
SECStatus rv;
context = PK11_CreateDigestContext(SEC_OID_SHA1);
if (context == NULL) {
return NULL;
}
rv = PK11_DigestBegin(context);
if (rv == SECSuccess) {
rv = PK11_DigestOp(context,pubKeyData->data,pubKeyData->len);
}
if (rv != SECSuccess) {
PK11_DestroyContext(context,PR_TRUE);
return NULL;
}
certCKA_ID = (SECItem *)PORT_Alloc(sizeof(SECItem));
if (certCKA_ID == NULL) {
PK11_DestroyContext(context,PR_TRUE);
return NULL;
}
certCKA_ID->len = SHA1_LENGTH;
certCKA_ID->data = (unsigned char*)PORT_Alloc(certCKA_ID->len);
if (certCKA_ID->data == NULL) {
PORT_Free(certCKA_ID);
PK11_DestroyContext(context,PR_TRUE);
return NULL;
}
rv = PK11_DigestFinal(context,certCKA_ID->data,&certCKA_ID->len,
SHA1_LENGTH);
PK11_DestroyContext(context,PR_TRUE);
if (rv != SECSuccess) {
SECITEM_FreeItem(certCKA_ID,PR_TRUE);
return NULL;
}
return certCKA_ID;
}
SECItem *
PK11_GetKeyIDFromPrivateKey(SECKEYPrivateKey *key, void *wincx)
{
CK_ATTRIBUTE theTemplate[] = {
{ CKA_ID, NULL, 0 },
};
int tsize = sizeof(theTemplate)/sizeof(theTemplate[0]);
SECItem *item = NULL;
CK_RV crv;
crv = PK11_GetAttributes(NULL,key->pkcs11Slot,key->pkcs11ID,
theTemplate,tsize);
if (crv != CKR_OK) {
PORT_SetError( PK11_MapError(crv) );
goto loser;
}
item = PORT_ZNew(SECItem);
if (item) {
item->data = (unsigned char*) theTemplate[0].pValue;
item->len = theTemplate[0].ulValueLen;
}
loser:
return item;
}
SECItem *
PK11_GetLowLevelKeyIDForPrivateKey(SECKEYPrivateKey *privKey)
{
return pk11_GetLowLevelKeyFromHandle(privKey->pkcs11Slot,privKey->pkcs11ID);
}
static SECStatus
privateKeyListCallback(SECKEYPrivateKey *key, void *arg)
{
SECKEYPrivateKeyList *list = (SECKEYPrivateKeyList*)arg;
return SECKEY_AddPrivateKeyToListTail(list, SECKEY_CopyPrivateKey(key));
}
SECKEYPrivateKeyList*
PK11_ListPrivateKeysInSlot(PK11SlotInfo *slot)
{
SECStatus status;
SECKEYPrivateKeyList *keys;
keys = SECKEY_NewPrivateKeyList();
if(keys == NULL) return NULL;
status = PK11_TraversePrivateKeysInSlot(slot, privateKeyListCallback,
(void*)keys);
if( status != SECSuccess ) {
SECKEY_DestroyPrivateKeyList(keys);
keys = NULL;
}
return keys;
}
SECKEYPublicKeyList*
PK11_ListPublicKeysInSlot(PK11SlotInfo *slot, char *nickname)
{
CK_ATTRIBUTE findTemp[4];
CK_ATTRIBUTE *attrs;
CK_BBOOL ckTrue = CK_TRUE;
CK_OBJECT_CLASS keyclass = CKO_PUBLIC_KEY;
int tsize = 0;
int objCount = 0;
CK_OBJECT_HANDLE *key_ids;
SECKEYPublicKeyList *keys;
int i,len;
attrs = findTemp;
PK11_SETATTRS(attrs, CKA_CLASS, &keyclass, sizeof(keyclass)); attrs++;
PK11_SETATTRS(attrs, CKA_TOKEN, &ckTrue, sizeof(ckTrue)); attrs++;
if (nickname) {
len = PORT_Strlen(nickname)-1;
PK11_SETATTRS(attrs, CKA_LABEL, nickname, len); attrs++;
}
tsize = attrs - findTemp;
PORT_Assert(tsize <= sizeof(findTemp)/sizeof(CK_ATTRIBUTE));
key_ids = pk11_FindObjectsByTemplate(slot,findTemp,tsize,&objCount);
if (key_ids == NULL) {
return NULL;
}
keys = SECKEY_NewPublicKeyList();
if (keys == NULL) {
PORT_Free(key_ids);
}
for (i=0; i < objCount ; i++) {
SECKEYPublicKey *pubKey =
PK11_ExtractPublicKey(slot,nullKey,key_ids[i]);
if (pubKey) {
SECKEY_AddPublicKeyToListTail(keys, pubKey);
}
}
PORT_Free(key_ids);
return keys;
}
SECKEYPrivateKeyList*
PK11_ListPrivKeysInSlot(PK11SlotInfo *slot, char *nickname, void *wincx)
{
CK_ATTRIBUTE findTemp[4];
CK_ATTRIBUTE *attrs;
CK_BBOOL ckTrue = CK_TRUE;
CK_OBJECT_CLASS keyclass = CKO_PRIVATE_KEY;
int tsize = 0;
int objCount = 0;
CK_OBJECT_HANDLE *key_ids;
SECKEYPrivateKeyList *keys;
int i,len;
attrs = findTemp;
PK11_SETATTRS(attrs, CKA_CLASS, &keyclass, sizeof(keyclass)); attrs++;
PK11_SETATTRS(attrs, CKA_TOKEN, &ckTrue, sizeof(ckTrue)); attrs++;
if (nickname) {
len = PORT_Strlen(nickname)-1;
PK11_SETATTRS(attrs, CKA_LABEL, nickname, len); attrs++;
}
tsize = attrs - findTemp;
PORT_Assert(tsize <= sizeof(findTemp)/sizeof(CK_ATTRIBUTE));
key_ids = pk11_FindObjectsByTemplate(slot,findTemp,tsize,&objCount);
if (key_ids == NULL) {
return NULL;
}
keys = SECKEY_NewPrivateKeyList();
if (keys == NULL) {
PORT_Free(key_ids);
}
for (i=0; i < objCount ; i++) {
SECKEYPrivateKey *privKey =
PK11_MakePrivKey(slot,nullKey,PR_TRUE,key_ids[i],wincx);
SECKEY_AddPrivateKeyToListTail(keys, privKey);
}
PORT_Free(key_ids);
return keys;
}
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