/* * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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. * * @APPLE_LICENSE_HEADER_END@ */ /*! @header SecCmsDigestContext.h @copyright 2004 Apple Computer, Inc. All Rights Reserved. @availability 10.4 and later @abstract Interfaces of the CMS implementation. @discussion The functions here implement functions calculating digests. */ #ifndef _SECURITY_SECCMSDIGESTCONTEXT_H_ #define _SECURITY_SECCMSDIGESTCONTEXT_H_ 1 #include <Security/SecCmsBase.h> #if defined(__cplusplus) extern "C" { #endif /*! @function @abstract Start digest calculation using all the digest algorithms in "digestalgs" in parallel. */ extern SecCmsDigestContextRef SecCmsDigestContextStartMultiple(SECAlgorithmID **digestalgs); /*! @function @abstract Feed more data into the digest machine. */ extern void SecCmsDigestContextUpdate(SecCmsDigestContextRef cmsdigcx, const unsigned char *data, size_t len); /*! @function @abstract Cancel digesting operation. @discussion Cancel a DigestContext created with @link SecCmsDigestContextStartMultiple SecCmsDigestContextStartMultiple function@/link. */ extern void SecCmsDigestContextCancel(SecCmsDigestContextRef cmsdigcx); /*! @function @abstract Finish the digests and put them into an array of CSSM_DATAs (allocated on arena) */ extern OSStatus SecCmsDigestContextFinishMultiple(SecCmsDigestContextRef cmsdigcx, SecArenaPoolRef arena, CSSM_DATA_PTR **digestsp); #if defined(__cplusplus) } #endif #endif /* _SECURITY_SECCMSDIGESTCONTEXT_H_ */