libsecurity_smime/lib/secoid.h

   1 /*
   2  * The contents of this file are subject to the Mozilla Public
   3  * License Version 1.1 (the "License"); you may not use this file
   4  * except in compliance with the License. You may obtain a copy of
   5  * the License at http://www.mozilla.org/MPL/
   6  *
   7  * Software distributed under the License is distributed on an "AS
   8  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   9  * implied. See the License for the specific language governing
  10  * rights and limitations under the License.
  11  *
  12  * The Original Code is the Netscape security libraries.
  13  *
  14  * The Initial Developer of the Original Code is Netscape
  15  * Communications Corporation.  Portions created by Netscape are
  16  * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
  17  * Rights Reserved.
  18  *
  19  * Contributor(s):
  20  *
  21  * Alternatively, the contents of this file may be used under the
  22  * terms of the GNU General Public License Version 2 or later (the
  23  * "GPL"), in which case the provisions of the GPL are applicable
  24  * instead of those above.  If you wish to allow use of your
  25  * version of this file only under the terms of the GPL and not to
  26  * allow others to use your version of this file under the MPL,
  27  * indicate your decision by deleting the provisions above and
  28  * replace them with the notice and other provisions required by
  29  * the GPL.  If you do not delete the provisions above, a recipient
  30  * may use your version of this file under either the MPL or the
  31  * GPL.
  32  */
  33
  34 #ifndef _SECOID_H_
  35 #define _SECOID_H_
  36 /*
  37  * secoid.h - public data structures and prototypes for ASN.1 OID functions
  38  */
  39
  40 #include <security_asn1/seccomon.h>
  41 #include <security_asn1/plarenas.h>
  42 #include <Security/secasn1t.h>
  43
  44 #include <security_smime/secoidt.h>
  45
  46 SEC_BEGIN_PROTOS
  47
  48 extern const SecAsn1Template SECOID_AlgorithmIDTemplate[];
  49
  50 /* This functions simply returns the address of the above-declared template. */
  51 SEC_ASN1_CHOOSER_DECLARE(SECOID_AlgorithmIDTemplate)
  52
  53 /*
  54  * OID handling routines
  55  */
  56 extern SECOidData *SECOID_FindOID(const SecAsn1Item *oid);
  57 extern SECOidTag SECOID_FindOIDTag(const SecAsn1Item *oid);
  58 extern SECOidData *SECOID_FindOIDByTag(SECOidTag tagnum);
  59 extern SECOidData *SECOID_FindOIDByCssmAlgorithm(SecAsn1AlgId cssmAlgorithm);
  60
  61 /****************************************/
  62 /*
  63 ** Algorithm id handling operations
  64 */
  65
  66 /*
  67 ** Fill in an algorithm-ID object given a tag and some parameters.
  68 **      "aid" where the DER encoded algorithm info is stored (memory
  69 **         is allocated)
  70 **      "tag" the tag defining the algorithm (SEC_OID_*)
  71 **      "params" if not NULL, the parameters to go with the algorithm
  72 */
  73 extern SECStatus SECOID_SetAlgorithmID(PRArenaPool *arena, SECAlgorithmID *aid,
  74                                    SECOidTag tag, const SecAsn1Item *params);
  75
  76 /*
  77 ** Copy the "src" object to "dest". Memory is allocated in "dest" for
  78 ** each of the appropriate sub-objects. Memory in "dest" is not freed
  79 ** before memory is allocated (use SECOID_DestroyAlgorithmID(dest, PR_FALSE)
  80 ** to do that).
  81 */
  82 extern SECStatus SECOID_CopyAlgorithmID(PRArenaPool *arena, SECAlgorithmID *dest,
  83                                     const SECAlgorithmID *src);
  84
  85 /*
  86 ** Get the SEC_OID_* tag for the given algorithm-id object.
  87 */
  88 extern SECOidTag SECOID_GetAlgorithmTag(const SECAlgorithmID *aid);
  89
  90 /*
  91 ** Destroy an algorithm-id object.
  92 **      "aid" the certificate-request to destroy
  93 **      "freeit" if PR_TRUE then free the object as well as its sub-objects
  94 */
  95 extern void SECOID_DestroyAlgorithmID(SECAlgorithmID *aid, Boolean freeit);
  96
  97 /*
  98 ** Compare two algorithm-id objects, returning the difference between
  99 ** them.
 100 */
 101 extern SECComparison SECOID_CompareAlgorithmID(const SECAlgorithmID *a,
 102                                            const SECAlgorithmID *b);
 103
 104 extern Boolean SECOID_KnownCertExtenOID (const SecAsn1Item *extenOid);
 105
 106 /* Given a SEC_OID_* tag, return a string describing it.
 107  */
 108 extern const char *SECOID_FindOIDTagDescription(SECOidTag tagnum);
 109
 110 #if 0
 111 /*
 112  * free up the oid data structures.
 113  */
 114 extern SECStatus SECOID_Shutdown(void);
 115 #endif
 116
 117
 118 SEC_END_PROTOS
 119
 120 #endif /* _SECOID_H_ */