-/*
- * Copyright (c) 2003 Apple Computer, Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please
- * obtain a copy of the License at http://www.apple.com/publicsource and
- * read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- */
-/*
- * pbkdDigest.cpp - SHA1/MD5 digest object for HMAC and PBE routines
- */
-
-#include "pbkdDigest.h"
-#include <Security/cssmerr.h>
-#include <string.h>
-
-/* the casts are necessary to cover the polymorphous context types */
-DigestOps Md2Ops = {
- (DigestInitFcn)CC_MD2_Init,
- (DigestUpdateFcn)CC_MD2_Update,
- (DigestFinalFcn)CC_MD2_Final
-};
-DigestOps Md5Ops = {
- (DigestInitFcn)CC_MD5_Init,
- (DigestUpdateFcn)CC_MD5_Update,
- (DigestFinalFcn)CC_MD5_Final
-};
-DigestOps Sha1Ops = {
- (DigestInitFcn)CC_SHA1_Init,
- (DigestUpdateFcn)CC_SHA1_Update,
- (DigestFinalFcn)CC_SHA1_Final
-};
-
-/* Ops on a DigestCtx - all return zero on error, like the underlying digests do */
-int DigestCtxInit(
- DigestCtx *ctx,
- CSSM_ALGORITHMS hashAlg)
-{
- switch(hashAlg) {
- case CSSM_ALGID_SHA1:
- ctx->ops = &Sha1Ops;
- break;
- case CSSM_ALGID_MD5:
- ctx->ops = &Md5Ops;
- break;
- case CSSM_ALGID_MD2:
- ctx->ops = &Md2Ops;
- break;
- default:
- return 0;
- }
- ctx->hashAlg = hashAlg;
- return ctx->ops->init(&ctx->dig);
-}
-
-void DigestCtxFree(
- DigestCtx *ctx)
-{
- memset(ctx, 0, sizeof(DigestCtx));
-}
-
-int DigestCtxUpdate(
- DigestCtx *ctx,
- const void *textPtr,
- uint32 textLen)
-{
- return ctx->ops->update(&ctx->dig, textPtr, textLen);
-}
-
-int DigestCtxFinal(
- DigestCtx *ctx,
- void *digest)
-{
- return ctx->ops->final(digest, &ctx->dig);
-}