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Diffstat (limited to 'security/nss/lib/util/secdig.h')
-rw-r--r-- | security/nss/lib/util/secdig.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/security/nss/lib/util/secdig.h b/security/nss/lib/util/secdig.h new file mode 100644 index 000000000..a1705f476 --- /dev/null +++ b/security/nss/lib/util/secdig.h @@ -0,0 +1,136 @@ +/* + * crypto.h - public data structures and prototypes for the crypto library + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * 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 the Initial Developer are Copyright (C) 1994-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +/* $Id$ */ + +#ifndef _SECDIG_H_ +#define _SECDIG_H_ + +#include "utilrename.h" +#include "secdigt.h" + +#include "seccomon.h" +#include "secasn1t.h" +#include "secdert.h" + +SEC_BEGIN_PROTOS + + +extern const SEC_ASN1Template sgn_DigestInfoTemplate[]; + +SEC_ASN1_CHOOSER_DECLARE(sgn_DigestInfoTemplate) + +/****************************************/ +/* +** Digest-info functions +*/ + +/* +** Create a new digest-info object +** "algorithm" one of SEC_OID_MD2, SEC_OID_MD5, or SEC_OID_SHA1 +** "sig" the raw signature data (from MD2 or MD5) +** "sigLen" the length of the signature data +** +** NOTE: this is a low level routine used to prepare some data for PKCS#1 +** digital signature formatting. +** +** XXX It might be nice to combine the create and encode functions. +** I think that is all anybody ever wants to do anyway. +*/ +extern SGNDigestInfo *SGN_CreateDigestInfo(SECOidTag algorithm, + unsigned char *sig, + unsigned int sigLen); + +/* +** Destroy a digest-info object +*/ +extern void SGN_DestroyDigestInfo(SGNDigestInfo *info); + +/* +** Encode a digest-info object +** "poolp" is where to allocate the result from; it can be NULL in +** which case generic heap allocation (XP_ALLOC) will be used +** "dest" is where to store the result; it can be NULL, in which case +** it will be allocated (from poolp or heap, as explained above) +** "diginfo" is the object to be encoded +** The return value is NULL if any error occurred, otherwise it is the +** resulting SECItem (either allocated or the same as the "dest" parameter). +** +** XXX It might be nice to combine the create and encode functions. +** I think that is all anybody ever wants to do anyway. +*/ +extern SECItem *SGN_EncodeDigestInfo(PLArenaPool *poolp, SECItem *dest, + SGNDigestInfo *diginfo); + +/* +** Decode a DER encoded digest info objct. +** didata is thr source of the encoded digest. +** The return value is NULL if an error occurs. Otherwise, a +** digest info object which is allocated within it's own +** pool is returned. The digest info should be deleted +** by later calling SGN_DestroyDigestInfo. +*/ +extern SGNDigestInfo *SGN_DecodeDigestInfo(SECItem *didata); + + +/* +** Copy digest info. +** poolp is the arena to which the digest will be copied. +** a is the destination digest, it must be non-NULL. +** b is the source digest +** This function is for copying digests. It allows digests +** to be copied into a specified pool. If the digest is in +** the same pool as other data, you do not want to delete +** the digest by calling SGN_DestroyDigestInfo. +** A return value of SECFailure indicates an error. A return +** of SECSuccess indicates no error occurred. +*/ +extern SECStatus SGN_CopyDigestInfo(PLArenaPool *poolp, + SGNDigestInfo *a, + SGNDigestInfo *b); + +/* +** Compare two digest-info objects, returning the difference between +** them. +*/ +extern SECComparison SGN_CompareDigestInfo(SGNDigestInfo *a, SGNDigestInfo *b); + + +SEC_END_PROTOS + +#endif /* _SECDIG_H_ */ |