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path: root/security/nss/lib/smime/cmsdigest.c
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Diffstat (limited to 'security/nss/lib/smime/cmsdigest.c')
-rw-r--r--security/nss/lib/smime/cmsdigest.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/security/nss/lib/smime/cmsdigest.c b/security/nss/lib/smime/cmsdigest.c
deleted file mode 100644
index 6c7bd918b..000000000
--- a/security/nss/lib/smime/cmsdigest.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * 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 digesting.
- *
- * $Id$
- */
-
-#include "cmslocal.h"
-
-#include "cert.h"
-#include "key.h"
-#include "secitem.h"
-#include "secoid.h"
-#include "pk11func.h"
-#include "prtime.h"
-#include "secerr.h"
-
-
-struct NSSCMSDigestContextStr {
- PRBool saw_contents;
- int digcnt;
- void ** digcxs;
-const SECHashObject ** digobjs;
-};
-
-/*
- * NSS_CMSDigestContext_StartMultiple - start digest calculation using all the
- * digest algorithms in "digestalgs" in parallel.
- */
-NSSCMSDigestContext *
-NSS_CMSDigestContext_StartMultiple(SECAlgorithmID **digestalgs)
-{
- NSSCMSDigestContext *cmsdigcx;
- const SECHashObject *digobj;
- void *digcx;
- int digcnt;
- int i;
-
- digcnt = (digestalgs == NULL) ? 0 : NSS_CMSArray_Count((void **)digestalgs);
-
- cmsdigcx = (NSSCMSDigestContext *)PORT_Alloc(sizeof(NSSCMSDigestContext));
- if (cmsdigcx == NULL)
- return NULL;
-
- if (digcnt > 0) {
- cmsdigcx->digcxs = (void **)PORT_Alloc(digcnt * sizeof (void *));
- cmsdigcx->digobjs = (const SECHashObject **)PORT_Alloc(digcnt * sizeof(SECHashObject *));
- if (cmsdigcx->digcxs == NULL || cmsdigcx->digobjs == NULL)
- goto loser;
- }
-
- cmsdigcx->digcnt = 0;
-
- /*
- * Create a digest object context for each algorithm.
- */
- for (i = 0; i < digcnt; i++) {
- digobj = NSS_CMSUtil_GetHashObjByAlgID(digestalgs[i]);
- /*
- * Skip any algorithm we do not even recognize; obviously,
- * this could be a problem, but if it is critical then the
- * result will just be that the signature does not verify.
- * We do not necessarily want to error out here, because
- * the particular algorithm may not actually be important,
- * but we cannot know that until later.
- */
- if (digobj == NULL)
- continue;
-
- digcx = (*digobj->create)();
- if (digcx != NULL) {
- (*digobj->begin) (digcx);
- cmsdigcx->digobjs[cmsdigcx->digcnt] = digobj;
- cmsdigcx->digcxs[cmsdigcx->digcnt] = digcx;
- cmsdigcx->digcnt++;
- }
- }
-
- cmsdigcx->saw_contents = PR_FALSE;
-
- return cmsdigcx;
-
-loser:
- if (cmsdigcx) {
- if (cmsdigcx->digobjs)
- PORT_Free(cmsdigcx->digobjs);
- if (cmsdigcx->digcxs)
- PORT_Free(cmsdigcx->digcxs);
- }
- return NULL;
-}
-
-/*
- * NSS_CMSDigestContext_StartSingle - same as NSS_CMSDigestContext_StartMultiple, but
- * only one algorithm.
- */
-NSSCMSDigestContext *
-NSS_CMSDigestContext_StartSingle(SECAlgorithmID *digestalg)
-{
- SECAlgorithmID *digestalgs[] = { NULL, NULL }; /* fake array */
-
- digestalgs[0] = digestalg;
- return NSS_CMSDigestContext_StartMultiple(digestalgs);
-}
-
-/*
- * NSS_CMSDigestContext_Update - feed more data into the digest machine
- */
-void
-NSS_CMSDigestContext_Update(NSSCMSDigestContext *cmsdigcx, const unsigned char *data, int len)
-{
- int i;
-
- cmsdigcx->saw_contents = PR_TRUE;
-
- for (i = 0; i < cmsdigcx->digcnt; i++)
- (*cmsdigcx->digobjs[i]->update)(cmsdigcx->digcxs[i], data, len);
-}
-
-/*
- * NSS_CMSDigestContext_Cancel - cancel digesting operation
- */
-void
-NSS_CMSDigestContext_Cancel(NSSCMSDigestContext *cmsdigcx)
-{
- int i;
-
- for (i = 0; i < cmsdigcx->digcnt; i++)
- (*cmsdigcx->digobjs[i]->destroy)(cmsdigcx->digcxs[i], PR_TRUE);
-}
-
-/*
- * NSS_CMSDigestContext_FinishMultiple - finish the digests and put them
- * into an array of SECItems (allocated on poolp)
- */
-SECStatus
-NSS_CMSDigestContext_FinishMultiple(NSSCMSDigestContext *cmsdigcx, PLArenaPool *poolp,
- SECItem ***digestsp)
-{
- const SECHashObject *digobj;
- void *digcx;
- SECItem **digests, *digest;
- int i;
- void *mark;
- SECStatus rv = SECFailure;
-
- /* no contents? do not update digests */
- if (digestsp == NULL || !cmsdigcx->saw_contents) {
- for (i = 0; i < cmsdigcx->digcnt; i++)
- (*cmsdigcx->digobjs[i]->destroy)(cmsdigcx->digcxs[i], PR_TRUE);
- rv = SECSuccess;
- goto cleanup;
- }
-
- mark = PORT_ArenaMark (poolp);
-
- /* allocate digest array & SECItems on arena */
- digests = (SECItem **)PORT_ArenaAlloc(poolp, (cmsdigcx->digcnt+1) * sizeof(SECItem *));
- digest = (SECItem *)PORT_ArenaZAlloc(poolp, cmsdigcx->digcnt * sizeof(SECItem));
- if (digests == NULL || digest == NULL) {
- goto loser;
- }
-
- for (i = 0; i < cmsdigcx->digcnt; i++, digest++) {
- digcx = cmsdigcx->digcxs[i];
- digobj = cmsdigcx->digobjs[i];
-
- digest->data = (unsigned char*)PORT_ArenaAlloc(poolp, digobj->length);
- if (digest->data == NULL)
- goto loser;
- digest->len = digobj->length;
- (* digobj->end)(digcx, digest->data, &(digest->len), digest->len);
- digests[i] = digest;
- (* digobj->destroy)(digcx, PR_TRUE);
- }
- digests[i] = NULL;
- *digestsp = digests;
-
- rv = SECSuccess;
-
-loser:
- if (rv == SECSuccess)
- PORT_ArenaUnmark(poolp, mark);
- else
- PORT_ArenaRelease(poolp, mark);
-
-cleanup:
- if (cmsdigcx->digcnt > 0) {
- PORT_Free(cmsdigcx->digcxs);
- PORT_Free(cmsdigcx->digobjs);
- }
- PORT_Free(cmsdigcx);
-
- return rv;
-}
-
-/*
- * NSS_CMSDigestContext_FinishSingle - same as NSS_CMSDigestContext_FinishMultiple,
- * but for one digest.
- */
-SECStatus
-NSS_CMSDigestContext_FinishSingle(NSSCMSDigestContext *cmsdigcx, PLArenaPool *poolp,
- SECItem *digest)
-{
- SECStatus rv = SECFailure;
- SECItem **dp;
- PLArenaPool *arena = NULL;
-
- if ((arena = PORT_NewArena(1024)) == NULL)
- goto loser;
-
- /* get the digests into arena, then copy the first digest into poolp */
- if (NSS_CMSDigestContext_FinishMultiple(cmsdigcx, arena, &dp) != SECSuccess)
- goto loser;
-
- /* now copy it into poolp */
- if (SECITEM_CopyItem(poolp, digest, dp[0]) != SECSuccess)
- goto loser;
-
- rv = SECSuccess;
-
-loser:
- if (arena)
- PORT_FreeArena(arena, PR_FALSE);
-
- return rv;
-}
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