+++ /dev/null
-/*
- * 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 Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
-
-/*
- * CMS digestedData methods.
- */
-
-#include <Security/SecCmsDigestedData.h>
-
-#include <Security/SecCmsContentInfo.h>
-#include <Security/SecCmsDigestContext.h>
-
-#include "cmslocal.h"
-
-#include "secitem.h"
-#include "secoid.h"
-#include <security_asn1/secasn1.h>
-#include <security_asn1/secerr.h>
-
-/*
- * SecCmsDigestedDataCreate - create a digestedData object (presumably for encoding)
- *
- * version will be set by SecCmsDigestedDataEncodeBeforeStart
- * digestAlg is passed as parameter
- * contentInfo must be filled by the user
- * digest will be calculated while encoding
- */
-SecCmsDigestedDataRef
-SecCmsDigestedDataCreate(SecCmsMessageRef cmsg, SECAlgorithmID *digestalg)
-{
- void *mark;
- SecCmsDigestedDataRef digd;
- PLArenaPool *poolp;
-
- poolp = cmsg->poolp;
-
- mark = PORT_ArenaMark(poolp);
-
- digd = (SecCmsDigestedDataRef)PORT_ArenaZAlloc(poolp, sizeof(SecCmsDigestedData));
- if (digd == NULL)
- goto loser;
-
- digd->cmsg = cmsg;
-
- if (SECOID_CopyAlgorithmID (poolp, &(digd->digestAlg), digestalg) != SECSuccess)
- goto loser;
-
- PORT_ArenaUnmark(poolp, mark);
- return digd;
-
-loser:
- PORT_ArenaRelease(poolp, mark);
- return NULL;
-}
-
-/*
- * SecCmsDigestedDataDestroy - destroy a digestedData object
- */
-void
-SecCmsDigestedDataDestroy(SecCmsDigestedDataRef digd)
-{
- /* everything's in a pool, so don't worry about the storage */
- SecCmsContentInfoDestroy(&(digd->contentInfo));
- return;
-}
-
-/*
- * SecCmsDigestedDataGetContentInfo - return pointer to digestedData object's contentInfo
- */
-SecCmsContentInfoRef
-SecCmsDigestedDataGetContentInfo(SecCmsDigestedDataRef digd)
-{
- return &(digd->contentInfo);
-}
-
-/*
- * SecCmsDigestedDataEncodeBeforeStart - do all the necessary things to a DigestedData
- * before encoding begins.
- *
- * In particular:
- * - set the right version number. The contentInfo's content type must be set up already.
- */
-OSStatus
-SecCmsDigestedDataEncodeBeforeStart(SecCmsDigestedDataRef digd)
-{
- unsigned long version;
- CSSM_DATA_PTR dummy;
-
- version = SEC_CMS_DIGESTED_DATA_VERSION_DATA;
- if (SecCmsContentInfoGetContentTypeTag(&(digd->contentInfo)) != SEC_OID_PKCS7_DATA)
- version = SEC_CMS_DIGESTED_DATA_VERSION_ENCAP;
-
- dummy = SEC_ASN1EncodeInteger(digd->cmsg->poolp, &(digd->version), version);
- return (dummy == NULL) ? SECFailure : SECSuccess;
-}
-
-/*
- * SecCmsDigestedDataEncodeBeforeData - do all the necessary things to a DigestedData
- * before the encapsulated data is passed through the encoder.
- *
- * In detail:
- * - set up the digests if necessary
- */
-OSStatus
-SecCmsDigestedDataEncodeBeforeData(SecCmsDigestedDataRef digd)
-{
- /* set up the digests */
- if (digd->digestAlg.algorithm.Length != 0 && digd->digest.Length == 0) {
- /* if digest is already there, do nothing */
- digd->contentInfo.digcx = SecCmsDigestContextStartSingle(&(digd->digestAlg));
- if (digd->contentInfo.digcx == NULL)
- return SECFailure;
- }
- return SECSuccess;
-}
-
-/*
- * SecCmsDigestedDataEncodeAfterData - do all the necessary things to a DigestedData
- * after all the encapsulated data was passed through the encoder.
- *
- * In detail:
- * - finish the digests
- */
-OSStatus
-SecCmsDigestedDataEncodeAfterData(SecCmsDigestedDataRef digd)
-{
- OSStatus rv = SECSuccess;
- /* did we have digest calculation going on? */
- if (digd->contentInfo.digcx) {
- rv = SecCmsDigestContextFinishSingle(digd->contentInfo.digcx,
- (SecArenaPoolRef)digd->cmsg->poolp, &(digd->digest));
- /* error has been set by SecCmsDigestContextFinishSingle */
- digd->contentInfo.digcx = NULL;
- }
-
- return rv;
-}
-
-/*
- * SecCmsDigestedDataDecodeBeforeData - do all the necessary things to a DigestedData
- * before the encapsulated data is passed through the encoder.
- *
- * In detail:
- * - set up the digests if necessary
- */
-OSStatus
-SecCmsDigestedDataDecodeBeforeData(SecCmsDigestedDataRef digd)
-{
- /* is there a digest algorithm yet? */
- if (digd->digestAlg.algorithm.Length == 0)
- return SECFailure;
-
- digd->contentInfo.digcx = SecCmsDigestContextStartSingle(&(digd->digestAlg));
- if (digd->contentInfo.digcx == NULL)
- return SECFailure;
-
- return SECSuccess;
-}
-
-/*
- * SecCmsDigestedDataDecodeAfterData - do all the necessary things to a DigestedData
- * after all the encapsulated data was passed through the encoder.
- *
- * In detail:
- * - finish the digests
- */
-OSStatus
-SecCmsDigestedDataDecodeAfterData(SecCmsDigestedDataRef digd)
-{
- OSStatus rv = SECSuccess;
- /* did we have digest calculation going on? */
- if (digd->contentInfo.digcx) {
- rv = SecCmsDigestContextFinishSingle(digd->contentInfo.digcx,
- (SecArenaPoolRef)digd->cmsg->poolp, &(digd->cdigest));
- /* error has been set by SecCmsDigestContextFinishSingle */
- digd->contentInfo.digcx = NULL;
- }
-
- return rv;
-}
-
-/*
- * SecCmsDigestedDataDecodeAfterEnd - finalize a digestedData.
- *
- * In detail:
- * - check the digests for equality
- */
-OSStatus
-SecCmsDigestedDataDecodeAfterEnd(SecCmsDigestedDataRef digd)
-{
- /* did we have digest calculation going on? */
- if (digd->cdigest.Length != 0) {
- /* XXX comparision btw digest & cdigest */
- /* XXX set status */
- /* TODO!!!! */
- }
-
- return SECSuccess;
-}
projects / apple / security.git / blobdiff