зеркало из https://github.com/mozilla/gecko-dev.git
133 строки
4.4 KiB
C
133 строки
4.4 KiB
C
/*
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* crypto.h - public data structures and prototypes for the crypto library
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*
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* $Id: secdig.h,v 1.1 2000/03/31 19:39:43 relyea%netscape.com Exp $
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*/
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#ifndef _SECDIG_H_
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#define _SECDIG_H_
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#include "secdigt.h"
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#include "seccomon.h"
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#include "secasn1t.h"
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#include "secdert.h"
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extern const SEC_ASN1Template sgn_DigestInfoTemplate[];
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extern DERTemplate SGNDigestInfoTemplate[];
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SEC_BEGIN_PROTOS
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/****************************************/
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/*
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** Digest-info functions
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*/
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/*
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** Create a new digest-info object
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** "algorithm" one of SEC_OID_MD2, SEC_OID_MD5, or SEC_OID_SHA1
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** "sig" the raw signature data (from MD2 or MD5)
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** "sigLen" the length of the signature data
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**
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** NOTE: this is a low level routine used to prepare some data for PKCS#1
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** digital signature formatting.
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**
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** XXX It might be nice to combine the create and encode functions.
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** I think that is all anybody ever wants to do anyway.
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*/
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extern SGNDigestInfo *SGN_CreateDigestInfo(SECOidTag algorithm,
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unsigned char *sig,
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unsigned int sigLen);
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/*
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** Destroy a digest-info object
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*/
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extern void SGN_DestroyDigestInfo(SGNDigestInfo *info);
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/*
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** Encode a digest-info object
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** "poolp" is where to allocate the result from; it can be NULL in
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** which case generic heap allocation (XP_ALLOC) will be used
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** "dest" is where to store the result; it can be NULL, in which case
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** it will be allocated (from poolp or heap, as explained above)
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** "diginfo" is the object to be encoded
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** The return value is NULL if any error occurred, otherwise it is the
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** resulting SECItem (either allocated or the same as the "dest" parameter).
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**
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** XXX It might be nice to combine the create and encode functions.
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** I think that is all anybody ever wants to do anyway.
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*/
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extern SECItem *SGN_EncodeDigestInfo(PRArenaPool *poolp, SECItem *dest,
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SGNDigestInfo *diginfo);
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/*
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** Decode a DER encoded digest info objct.
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** didata is thr source of the encoded digest.
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** The return value is NULL if an error occurs. Otherwise, a
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** digest info object which is allocated within it's own
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** pool is returned. The digest info should be deleted
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** by later calling SGN_DestroyDigestInfo.
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*/
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extern SGNDigestInfo *SGN_DecodeDigestInfo(SECItem *didata);
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/*
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** Copy digest info.
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** poolp is the arena to which the digest will be copied.
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** a is the destination digest, it must be non-NULL.
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** b is the source digest
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** This function is for copying digests. It allows digests
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** to be copied into a specified pool. If the digest is in
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** the same pool as other data, you do not want to delete
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** the digest by calling SGN_DestroyDigestInfo.
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** A return value of SECFailure indicates an error. A return
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** of SECSuccess indicates no error occured.
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*/
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extern SECStatus SGN_CopyDigestInfo(PRArenaPool *poolp,
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SGNDigestInfo *a,
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SGNDigestInfo *b);
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/*
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** Compare two digest-info objects, returning the difference between
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** them.
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*/
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extern SECComparison SGN_CompareDigestInfo(SGNDigestInfo *a, SGNDigestInfo *b);
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SEC_END_PROTOS
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#endif /* _SECDIG_H_ */
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