mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-09 17:30:18 +01:00
275 lines
8.5 KiB
C
275 lines
8.5 KiB
C
/* -*- Mode: C; tab-width: 8 -*-*/
|
|
/* ***** 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 "cmmf.h"
|
|
#include "cmmfi.h"
|
|
#include "secitem.h"
|
|
#include "pk11func.h"
|
|
#include "secder.h"
|
|
#include "sechash.h"
|
|
|
|
CMMFPOPODecKeyChallContent*
|
|
CMMF_CreatePOPODecKeyChallContentFromDER(const char *buf, long len)
|
|
{
|
|
PRArenaPool *poolp;
|
|
CMMFPOPODecKeyChallContent *challContent;
|
|
SECStatus rv;
|
|
|
|
poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
|
|
if (poolp == NULL) {
|
|
return NULL;
|
|
}
|
|
challContent = PORT_ArenaZNew(poolp, CMMFPOPODecKeyChallContent);
|
|
if (challContent == NULL) {
|
|
goto loser;
|
|
}
|
|
challContent->poolp = poolp;
|
|
rv = SEC_ASN1Decode(poolp, challContent,
|
|
CMMFPOPODecKeyChallContentTemplate, buf, len);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
if (challContent->challenges) {
|
|
while (challContent->challenges[challContent->numChallenges] != NULL) {
|
|
challContent->numChallenges++;
|
|
}
|
|
challContent->numAllocated = challContent->numChallenges;
|
|
}
|
|
return challContent;
|
|
loser:
|
|
if (poolp != NULL) {
|
|
PORT_FreeArena(poolp, PR_FALSE);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
CMMF_POPODecKeyChallContentGetNumChallenges
|
|
(CMMFPOPODecKeyChallContent *inKeyChallCont)
|
|
{
|
|
PORT_Assert(inKeyChallCont != NULL);
|
|
if (inKeyChallCont == NULL) {
|
|
return 0;
|
|
}
|
|
return inKeyChallCont->numChallenges;
|
|
}
|
|
|
|
SECItem*
|
|
CMMF_POPODecKeyChallContentGetPublicValue
|
|
(CMMFPOPODecKeyChallContent *inKeyChallCont,
|
|
int inIndex)
|
|
{
|
|
PORT_Assert(inKeyChallCont != NULL);
|
|
if (inKeyChallCont == NULL || (inIndex > inKeyChallCont->numChallenges-1)||
|
|
inIndex < 0) {
|
|
return NULL;
|
|
}
|
|
return SECITEM_DupItem(&inKeyChallCont->challenges[inIndex]->key);
|
|
}
|
|
|
|
static SECAlgorithmID*
|
|
cmmf_get_owf(CMMFPOPODecKeyChallContent *inChalCont,
|
|
int inIndex)
|
|
{
|
|
int i;
|
|
|
|
for (i=inIndex; i >= 0; i--) {
|
|
if (inChalCont->challenges[i]->owf != NULL) {
|
|
return inChalCont->challenges[i]->owf;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
SECStatus
|
|
CMMF_POPODecKeyChallContDecryptChallenge(CMMFPOPODecKeyChallContent *inChalCont,
|
|
int inIndex,
|
|
SECKEYPrivateKey *inPrivKey)
|
|
{
|
|
CMMFChallenge *challenge;
|
|
SECItem *decryptedRand=NULL;
|
|
PRArenaPool *poolp = NULL;
|
|
SECAlgorithmID *owf;
|
|
SECStatus rv = SECFailure;
|
|
SECOidTag tag;
|
|
CMMFRand randStr;
|
|
SECItem hashItem;
|
|
unsigned char hash[HASH_LENGTH_MAX];
|
|
|
|
PORT_Assert(inChalCont != NULL && inPrivKey != NULL);
|
|
if (inChalCont == NULL || inIndex <0 || inIndex > inChalCont->numChallenges
|
|
|| inPrivKey == NULL){
|
|
return SECFailure;
|
|
}
|
|
|
|
poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
|
|
if (poolp == NULL) {
|
|
goto loser;
|
|
}
|
|
|
|
challenge = inChalCont->challenges[inIndex];
|
|
decryptedRand = SECITEM_AllocItem(poolp, NULL, challenge->challenge.len);
|
|
if (decryptedRand == NULL) {
|
|
goto loser;
|
|
}
|
|
rv = PK11_PrivDecryptPKCS1(inPrivKey, decryptedRand->data,
|
|
&decryptedRand->len, decryptedRand->len,
|
|
challenge->challenge.data, challenge->challenge.len);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
|
|
rv = SEC_ASN1DecodeItem(poolp, &randStr, CMMFRandTemplate,
|
|
decryptedRand);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
rv = SECFailure; /* Just so that when we do go to loser,
|
|
* I won't have to set it again.
|
|
*/
|
|
owf = cmmf_get_owf(inChalCont, inIndex);
|
|
if (owf == NULL) {
|
|
/* No hashing algorithm came with the challenges. Can't verify */
|
|
goto loser;
|
|
}
|
|
/* Verify the hashes in the challenge */
|
|
tag = SECOID_FindOIDTag(&owf->algorithm);
|
|
hashItem.len = HASH_ResultLenByOidTag(tag);
|
|
if (!hashItem.len)
|
|
goto loser; /* error code has been set */
|
|
|
|
rv = PK11_HashBuf(tag, hash, randStr.integer.data, randStr.integer.len);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
hashItem.data = hash;
|
|
if (SECITEM_CompareItem(&hashItem, &challenge->witness) != SECEqual) {
|
|
/* The hash for the data we decrypted doesn't match the hash provided
|
|
* in the challenge. Bail out.
|
|
*/
|
|
PORT_SetError(SEC_ERROR_BAD_DATA);
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
rv = PK11_HashBuf(tag, hash, challenge->senderDER.data,
|
|
challenge->senderDER.len);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
if (SECITEM_CompareItem(&hashItem, &randStr.senderHash) != SECEqual) {
|
|
/* The hash for the data we decrypted doesn't match the hash provided
|
|
* in the challenge. Bail out.
|
|
*/
|
|
PORT_SetError(SEC_ERROR_BAD_DATA);
|
|
rv = SECFailure;
|
|
goto loser;
|
|
}
|
|
/* All of the hashes have verified, so we can now store the integer away.*/
|
|
rv = SECITEM_CopyItem(inChalCont->poolp, &challenge->randomNumber,
|
|
&randStr.integer);
|
|
loser:
|
|
if (poolp) {
|
|
PORT_FreeArena(poolp, PR_FALSE);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
SECStatus
|
|
CMMF_POPODecKeyChallContentGetRandomNumber
|
|
(CMMFPOPODecKeyChallContent *inKeyChallCont,
|
|
int inIndex,
|
|
long *inDest)
|
|
{
|
|
CMMFChallenge *challenge;
|
|
|
|
PORT_Assert(inKeyChallCont != NULL);
|
|
if (inKeyChallCont == NULL || inIndex > 0 || inIndex >=
|
|
inKeyChallCont->numChallenges) {
|
|
return SECFailure;
|
|
}
|
|
challenge = inKeyChallCont->challenges[inIndex];
|
|
if (challenge->randomNumber.data == NULL) {
|
|
/* There is no random number here, nothing to see. */
|
|
return SECFailure;
|
|
}
|
|
*inDest = DER_GetInteger(&challenge->randomNumber);
|
|
return (*inDest == -1) ? SECFailure : SECSuccess;
|
|
}
|
|
|
|
SECStatus
|
|
CMMF_EncodePOPODecKeyRespContent(long *inDecodedRand,
|
|
int inNumRand,
|
|
CRMFEncoderOutputCallback inCallback,
|
|
void *inArg)
|
|
{
|
|
PRArenaPool *poolp;
|
|
CMMFPOPODecKeyRespContent *response;
|
|
SECItem *currItem;
|
|
SECStatus rv=SECFailure;
|
|
int i;
|
|
|
|
poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
|
|
if (poolp == NULL) {
|
|
return SECFailure;
|
|
}
|
|
response = PORT_ArenaZNew(poolp, CMMFPOPODecKeyRespContent);
|
|
if (response == NULL) {
|
|
goto loser;
|
|
}
|
|
response->responses = PORT_ArenaZNewArray(poolp, SECItem*, inNumRand+1);
|
|
if (response->responses == NULL) {
|
|
goto loser;
|
|
}
|
|
for (i=0; i<inNumRand; i++) {
|
|
currItem = response->responses[i] = PORT_ArenaZNew(poolp,SECItem);
|
|
if (currItem == NULL) {
|
|
goto loser;
|
|
}
|
|
currItem = SEC_ASN1EncodeInteger(poolp, currItem, inDecodedRand[i]);
|
|
if (currItem == NULL) {
|
|
goto loser;
|
|
}
|
|
}
|
|
rv = cmmf_user_encode(response, inCallback, inArg,
|
|
CMMFPOPODecKeyRespContentTemplate);
|
|
loser:
|
|
if (poolp != NULL) {
|
|
PORT_FreeArena(poolp, PR_FALSE);
|
|
}
|
|
return rv;
|
|
}
|