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Diffstat (limited to 'security/nss/lib/util/secdig.h')
| -rw-r--r-- | security/nss/lib/util/secdig.h | 135 |
1 files changed, 135 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..048604554 --- /dev/null +++ b/security/nss/lib/util/secdig.h @@ -0,0 +1,135 @@ +/* + * crypto.h - public data structures and prototypes for the crypto library + * + * 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. + * + * $Id$ + */ + +#ifndef _SECDIG_H_ +#define _SECDIG_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) + +extern DERTemplate SGNDigestInfoTemplate[]; + + +/****************************************/ +/* +** 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(PRArenaPool *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 occured. +*/ +extern SECStatus SGN_CopyDigestInfo(PRArenaPool *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_ */ |