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gecko/security/nss/lib/smime/cms.h
Kai Engert 731c45f2b1 Bug 450646, Upgrade Mozilla to NSS 3.12.1 release candidate 1 
r=rrelyea
2008-08-15 06:12:54 +02:00

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/* ***** 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 ***** */
/*
* Interfaces of the CMS implementation.
*
* $Id: cms.h,v 1.22 2008/06/14 14:20:31 wtc%google.com Exp $
*/
#ifndef _CMS_H_
#define _CMS_H_
#include "seccomon.h"
#include "secoidt.h"
#include "certt.h"
#include "keyt.h"
#include "hasht.h"
#include "cmst.h"
/************************************************************************/
SEC_BEGIN_PROTOS
/************************************************************************
* cmsdecode.c - CMS decoding
************************************************************************/
/*
* NSS_CMSDecoder_Start - set up decoding of a DER-encoded CMS message
*
* "poolp" - pointer to arena for message, or NULL if new pool should be created
* "cb", "cb_arg" - callback function and argument for delivery of inner content
* inner content will be stored in the message if cb is NULL.
* "pwfn", pwfn_arg" - callback function for getting token password
* "decrypt_key_cb", "decrypt_key_cb_arg" - callback function for getting bulk key for encryptedData
*/
extern NSSCMSDecoderContext *
NSS_CMSDecoder_Start(PLArenaPool *poolp,
NSSCMSContentCallback cb, void *cb_arg,
PK11PasswordFunc pwfn, void *pwfn_arg,
NSSCMSGetDecryptKeyCallback decrypt_key_cb, void *decrypt_key_cb_arg);
/*
* NSS_CMSDecoder_Update - feed DER-encoded data to decoder
*/
extern SECStatus
NSS_CMSDecoder_Update(NSSCMSDecoderContext *p7dcx, const char *buf, unsigned long len);
/*
* NSS_CMSDecoder_Cancel - cancel a decoding process
*/
extern void
NSS_CMSDecoder_Cancel(NSSCMSDecoderContext *p7dcx);
/*
* NSS_CMSDecoder_Finish - mark the end of inner content and finish decoding
*/
extern NSSCMSMessage *
NSS_CMSDecoder_Finish(NSSCMSDecoderContext *p7dcx);
/*
* NSS_CMSMessage_CreateFromDER - decode a CMS message from DER encoded data
*/
extern NSSCMSMessage *
NSS_CMSMessage_CreateFromDER(SECItem *DERmessage,
NSSCMSContentCallback cb, void *cb_arg,
PK11PasswordFunc pwfn, void *pwfn_arg,
NSSCMSGetDecryptKeyCallback decrypt_key_cb, void *decrypt_key_cb_arg);
/************************************************************************
* cmsencode.c - CMS encoding
************************************************************************/
/*
* NSS_CMSEncoder_Start - set up encoding of a CMS message
*
* "cmsg" - message to encode
* "outputfn", "outputarg" - callback function for delivery of DER-encoded output
* will not be called if NULL.
* "dest" - if non-NULL, pointer to SECItem that will hold the DER-encoded output
* "destpoolp" - pool to allocate DER-encoded output in
* "pwfn", pwfn_arg" - callback function for getting token password
* "decrypt_key_cb", "decrypt_key_cb_arg" - callback function for getting bulk key for encryptedData
* "detached_digestalgs", "detached_digests" - digests from detached content
*/
extern NSSCMSEncoderContext *
NSS_CMSEncoder_Start(NSSCMSMessage *cmsg,
NSSCMSContentCallback outputfn, void *outputarg,
SECItem *dest, PLArenaPool *destpoolp,
PK11PasswordFunc pwfn, void *pwfn_arg,
NSSCMSGetDecryptKeyCallback decrypt_key_cb, void *decrypt_key_cb_arg,
SECAlgorithmID **detached_digestalgs, SECItem **detached_digests);
/*
* NSS_CMSEncoder_Update - take content data delivery from the user
*
* "p7ecx" - encoder context
* "data" - content data
* "len" - length of content data
*/
extern SECStatus
NSS_CMSEncoder_Update(NSSCMSEncoderContext *p7ecx, const char *data, unsigned long len);
/*
* NSS_CMSEncoder_Cancel - stop all encoding
*/
extern SECStatus
NSS_CMSEncoder_Cancel(NSSCMSEncoderContext *p7ecx);
/*
* NSS_CMSEncoder_Finish - signal the end of data
*
* we need to walk down the chain of encoders and the finish them from the innermost out
*/
extern SECStatus
NSS_CMSEncoder_Finish(NSSCMSEncoderContext *p7ecx);
/************************************************************************
* cmsmessage.c - CMS message object
************************************************************************/
/*
* NSS_CMSMessage_Create - create a CMS message object
*
* "poolp" - arena to allocate memory from, or NULL if new arena should be created
*/
extern NSSCMSMessage *
NSS_CMSMessage_Create(PLArenaPool *poolp);
/*
* NSS_CMSMessage_SetEncodingParams - set up a CMS message object for encoding or decoding
*
* "cmsg" - message object
* "pwfn", pwfn_arg" - callback function for getting token password
* "decrypt_key_cb", "decrypt_key_cb_arg" - callback function for getting bulk key for encryptedData
* "detached_digestalgs", "detached_digests" - digests from detached content
*
* used internally.
*/
extern void
NSS_CMSMessage_SetEncodingParams(NSSCMSMessage *cmsg,
PK11PasswordFunc pwfn, void *pwfn_arg,
NSSCMSGetDecryptKeyCallback decrypt_key_cb, void *decrypt_key_cb_arg,
SECAlgorithmID **detached_digestalgs, SECItem **detached_digests);
/*
* NSS_CMSMessage_Destroy - destroy a CMS message and all of its sub-pieces.
*/
extern void
NSS_CMSMessage_Destroy(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_Copy - return a copy of the given message.
*
* The copy may be virtual or may be real -- either way, the result needs
* to be passed to NSS_CMSMessage_Destroy later (as does the original).
*/
extern NSSCMSMessage *
NSS_CMSMessage_Copy(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_GetArena - return a pointer to the message's arena pool
*/
extern PLArenaPool *
NSS_CMSMessage_GetArena(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_GetContentInfo - return a pointer to the top level contentInfo
*/
extern NSSCMSContentInfo *
NSS_CMSMessage_GetContentInfo(NSSCMSMessage *cmsg);
/*
* Return a pointer to the actual content.
* In the case of those types which are encrypted, this returns the *plain* content.
* In case of nested contentInfos, this descends and retrieves the innermost content.
*/
extern SECItem *
NSS_CMSMessage_GetContent(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_ContentLevelCount - count number of levels of CMS content objects in this message
*
* CMS data content objects do not count.
*/
extern int
NSS_CMSMessage_ContentLevelCount(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_ContentLevel - find content level #n
*
* CMS data content objects do not count.
*/
extern NSSCMSContentInfo *
NSS_CMSMessage_ContentLevel(NSSCMSMessage *cmsg, int n);
/*
* NSS_CMSMessage_ContainsCertsOrCrls - see if message contains certs along the way
*/
extern PRBool
NSS_CMSMessage_ContainsCertsOrCrls(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_IsEncrypted - see if message contains a encrypted submessage
*/
extern PRBool
NSS_CMSMessage_IsEncrypted(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_IsSigned - see if message contains a signed submessage
*
* If the CMS message has a SignedData with a signature (not just a SignedData)
* return true; false otherwise. This can/should be called before calling
* VerifySignature, which will always indicate failure if no signature is
* present, but that does not mean there even was a signature!
* Note that the content itself can be empty (detached content was sent
* another way); it is the presence of the signature that matters.
*/
extern PRBool
NSS_CMSMessage_IsSigned(NSSCMSMessage *cmsg);
/*
* NSS_CMSMessage_IsContentEmpty - see if content is empty
*
* returns PR_TRUE is innermost content length is < minLen
* XXX need the encrypted content length (why?)
*/
extern PRBool
NSS_CMSMessage_IsContentEmpty(NSSCMSMessage *cmsg, unsigned int minLen);
/************************************************************************
* cmscinfo.c - CMS contentInfo methods
************************************************************************/
/*
* NSS_CMSContentInfo_Destroy - destroy a CMS contentInfo and all of its sub-pieces.
*/
extern void
NSS_CMSContentInfo_Destroy(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_GetChildContentInfo - get content's contentInfo (if it exists)
*/
extern NSSCMSContentInfo *
NSS_CMSContentInfo_GetChildContentInfo(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_SetContent - set cinfo's content type & content to CMS object
*/
extern SECStatus
NSS_CMSContentInfo_SetContent(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, SECOidTag type, void *ptr);
/*
* NSS_CMSContentInfo_SetContent_XXXX - typesafe wrappers for NSS_CMSContentInfo_SetType
* set cinfo's content type & content to CMS object
*/
extern SECStatus
NSS_CMSContentInfo_SetContent_Data(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, SECItem *data, PRBool detached);
extern SECStatus
NSS_CMSContentInfo_SetContent_SignedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSSignedData *sigd);
extern SECStatus
NSS_CMSContentInfo_SetContent_EnvelopedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSEnvelopedData *envd);
extern SECStatus
NSS_CMSContentInfo_SetContent_DigestedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSDigestedData *digd);
extern SECStatus
NSS_CMSContentInfo_SetContent_EncryptedData(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo, NSSCMSEncryptedData *encd);
/*
* NSS_CMSContentInfo_GetContent - get pointer to inner content
*
* needs to be casted...
*/
extern void *
NSS_CMSContentInfo_GetContent(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_GetInnerContent - get pointer to innermost content
*
* this is typically only called by NSS_CMSMessage_GetContent()
*/
extern SECItem *
NSS_CMSContentInfo_GetInnerContent(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_GetContentType{Tag,OID} - find out (saving pointer to lookup result
* for future reference) and return the inner content type.
*/
extern SECOidTag
NSS_CMSContentInfo_GetContentTypeTag(NSSCMSContentInfo *cinfo);
extern SECItem *
NSS_CMSContentInfo_GetContentTypeOID(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_GetContentEncAlgTag - find out (saving pointer to lookup result
* for future reference) and return the content encryption algorithm tag.
*/
extern SECOidTag
NSS_CMSContentInfo_GetContentEncAlgTag(NSSCMSContentInfo *cinfo);
/*
* NSS_CMSContentInfo_GetContentEncAlg - find out and return the content encryption algorithm tag.
*/
extern SECAlgorithmID *
NSS_CMSContentInfo_GetContentEncAlg(NSSCMSContentInfo *cinfo);
extern SECStatus
NSS_CMSContentInfo_SetContentEncAlg(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
SECOidTag bulkalgtag, SECItem *parameters, int keysize);
extern SECStatus
NSS_CMSContentInfo_SetContentEncAlgID(PLArenaPool *poolp, NSSCMSContentInfo *cinfo,
SECAlgorithmID *algid, int keysize);
extern void
NSS_CMSContentInfo_SetBulkKey(NSSCMSContentInfo *cinfo, PK11SymKey *bulkkey);
extern PK11SymKey *
NSS_CMSContentInfo_GetBulkKey(NSSCMSContentInfo *cinfo);
extern int
NSS_CMSContentInfo_GetBulkKeySize(NSSCMSContentInfo *cinfo);
/************************************************************************
* cmsutil.c - CMS misc utility functions
************************************************************************/
/*
* NSS_CMSArray_SortByDER - sort array of objects by objects' DER encoding
*
* make sure that the order of the objects guarantees valid DER (which must be
* in lexigraphically ascending order for a SET OF); if reordering is necessary it
* will be done in place (in objs).
*/
extern SECStatus
NSS_CMSArray_SortByDER(void **objs, const SEC_ASN1Template *objtemplate, void **objs2);
/*
* NSS_CMSUtil_DERCompare - for use with NSS_CMSArray_Sort to
* sort arrays of SECItems containing DER
*/
extern int
NSS_CMSUtil_DERCompare(void *a, void *b);
/*
* NSS_CMSAlgArray_GetIndexByAlgID - find a specific algorithm in an array of
* algorithms.
*
* algorithmArray - array of algorithm IDs
* algid - algorithmid of algorithm to pick
*
* Returns:
* An integer containing the index of the algorithm in the array or -1 if
* algorithm was not found.
*/
extern int
NSS_CMSAlgArray_GetIndexByAlgID(SECAlgorithmID **algorithmArray, SECAlgorithmID *algid);
/*
* NSS_CMSAlgArray_GetIndexByAlgID - find a specific algorithm in an array of
* algorithms.
*
* algorithmArray - array of algorithm IDs
* algiddata - id of algorithm to pick
*
* Returns:
* An integer containing the index of the algorithm in the array or -1 if
* algorithm was not found.
*/
extern int
NSS_CMSAlgArray_GetIndexByAlgTag(SECAlgorithmID **algorithmArray, SECOidTag algtag);
extern const SECHashObject *
NSS_CMSUtil_GetHashObjByAlgID(SECAlgorithmID *algid);
extern const SEC_ASN1Template *
NSS_CMSUtil_GetTemplateByTypeTag(SECOidTag type);
extern size_t
NSS_CMSUtil_GetSizeByTypeTag(SECOidTag type);
extern NSSCMSContentInfo *
NSS_CMSContent_GetContentInfo(void *msg, SECOidTag type);
extern const char *
NSS_CMSUtil_VerificationStatusToString(NSSCMSVerificationStatus vs);
/************************************************************************
* cmssigdata.c - CMS signedData methods
************************************************************************/
extern NSSCMSSignedData *
NSS_CMSSignedData_Create(NSSCMSMessage *cmsg);
extern void
NSS_CMSSignedData_Destroy(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_Encode_BeforeStart - do all the necessary things to a SignedData
* before start of encoding.
*
* In detail:
* - find out about the right value to put into sigd->version
* - come up with a list of digestAlgorithms (which should be the union of the algorithms
* in the signerinfos).
* If we happen to have a pre-set list of algorithms (and digest values!), we
* check if we have all the signerinfos' algorithms. If not, this is an error.
*/
extern SECStatus
NSS_CMSSignedData_Encode_BeforeStart(NSSCMSSignedData *sigd);
extern SECStatus
NSS_CMSSignedData_Encode_BeforeData(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_Encode_AfterData - do all the necessary things to a SignedData
* after all the encapsulated data was passed through the encoder.
*
* In detail:
* - create the signatures in all the SignerInfos
*
* Please note that nothing is done to the Certificates and CRLs in the message - this
* is entirely the responsibility of our callers.
*/
extern SECStatus
NSS_CMSSignedData_Encode_AfterData(NSSCMSSignedData *sigd);
extern SECStatus
NSS_CMSSignedData_Decode_BeforeData(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_Decode_AfterData - do all the necessary things to a SignedData
* after all the encapsulated data was passed through the decoder.
*/
extern SECStatus
NSS_CMSSignedData_Decode_AfterData(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_Decode_AfterEnd - do all the necessary things to a SignedData
* after all decoding is finished.
*/
extern SECStatus
NSS_CMSSignedData_Decode_AfterEnd(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_GetSignerInfos - retrieve the SignedData's signer list
*/
extern NSSCMSSignerInfo **
NSS_CMSSignedData_GetSignerInfos(NSSCMSSignedData *sigd);
extern int
NSS_CMSSignedData_SignerInfoCount(NSSCMSSignedData *sigd);
extern NSSCMSSignerInfo *
NSS_CMSSignedData_GetSignerInfo(NSSCMSSignedData *sigd, int i);
/*
* NSS_CMSSignedData_GetDigestAlgs - retrieve the SignedData's digest algorithm list
*/
extern SECAlgorithmID **
NSS_CMSSignedData_GetDigestAlgs(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_GetContentInfo - return pointer to this signedData's contentinfo
*/
extern NSSCMSContentInfo *
NSS_CMSSignedData_GetContentInfo(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_GetCertificateList - retrieve the SignedData's certificate list
*/
extern SECItem **
NSS_CMSSignedData_GetCertificateList(NSSCMSSignedData *sigd);
extern SECStatus
NSS_CMSSignedData_ImportCerts(NSSCMSSignedData *sigd, CERTCertDBHandle *certdb,
SECCertUsage certusage, PRBool keepcerts);
/*
* NSS_CMSSignedData_HasDigests - see if we have digests in place
*/
extern PRBool
NSS_CMSSignedData_HasDigests(NSSCMSSignedData *sigd);
/*
* NSS_CMSSignedData_VerifySignerInfo - check a signature.
*
* The digests were either calculated during decoding (and are stored in the
* signedData itself) or set after decoding using NSS_CMSSignedData_SetDigests.
*
* The verification checks if the signing cert is valid and has a trusted chain
* for the purpose specified by "certusage".
*/
extern SECStatus
NSS_CMSSignedData_VerifySignerInfo(NSSCMSSignedData *sigd, int i, CERTCertDBHandle *certdb,
SECCertUsage certusage);
/*
* NSS_CMSSignedData_VerifyCertsOnly - verify the certs in a certs-only message
*/
extern SECStatus
NSS_CMSSignedData_VerifyCertsOnly(NSSCMSSignedData *sigd,
CERTCertDBHandle *certdb,
SECCertUsage usage);
extern SECStatus
NSS_CMSSignedData_AddCertList(NSSCMSSignedData *sigd, CERTCertificateList *certlist);
/*
* NSS_CMSSignedData_AddCertChain - add cert and its entire chain to the set of certs
*/
extern SECStatus
NSS_CMSSignedData_AddCertChain(NSSCMSSignedData *sigd, CERTCertificate *cert);
extern SECStatus
NSS_CMSSignedData_AddCertificate(NSSCMSSignedData *sigd, CERTCertificate *cert);
extern PRBool
NSS_CMSSignedData_ContainsCertsOrCrls(NSSCMSSignedData *sigd);
extern SECStatus
NSS_CMSSignedData_AddSignerInfo(NSSCMSSignedData *sigd,
NSSCMSSignerInfo *signerinfo);
extern SECStatus
NSS_CMSSignedData_SetDigests(NSSCMSSignedData *sigd,
SECAlgorithmID **digestalgs,
SECItem **digests);
extern SECStatus
NSS_CMSSignedData_SetDigestValue(NSSCMSSignedData *sigd,
SECOidTag digestalgtag,
SECItem *digestdata);
extern SECStatus
NSS_CMSSignedData_AddDigest(PLArenaPool *poolp,
NSSCMSSignedData *sigd,
SECOidTag digestalgtag,
SECItem *digest);
extern SECItem *
NSS_CMSSignedData_GetDigestValue(NSSCMSSignedData *sigd, SECOidTag digestalgtag);
/*
* NSS_CMSSignedData_CreateCertsOnly - create a certs-only SignedData.
*
* cert - base certificates that will be included
* include_chain - if true, include the complete cert chain for cert
*
* More certs and chains can be added via AddCertificate and AddCertChain.
*
* An error results in a return value of NULL and an error set.
*/
extern NSSCMSSignedData *
NSS_CMSSignedData_CreateCertsOnly(NSSCMSMessage *cmsg, CERTCertificate *cert, PRBool include_chain);
/************************************************************************
* cmssiginfo.c - signerinfo methods
************************************************************************/
extern NSSCMSSignerInfo *
NSS_CMSSignerInfo_Create(NSSCMSMessage *cmsg, CERTCertificate *cert, SECOidTag digestalgtag);
extern NSSCMSSignerInfo *
NSS_CMSSignerInfo_CreateWithSubjKeyID(NSSCMSMessage *cmsg, SECItem *subjKeyID, SECKEYPublicKey *pubKey, SECKEYPrivateKey *signingKey, SECOidTag digestalgtag);
/*
* NSS_CMSSignerInfo_Destroy - destroy a SignerInfo data structure
*/
extern void
NSS_CMSSignerInfo_Destroy(NSSCMSSignerInfo *si);
/*
* NSS_CMSSignerInfo_Sign - sign something
*
*/
extern SECStatus
NSS_CMSSignerInfo_Sign(NSSCMSSignerInfo *signerinfo, SECItem *digest, SECItem *contentType);
extern SECStatus
NSS_CMSSignerInfo_VerifyCertificate(NSSCMSSignerInfo *signerinfo, CERTCertDBHandle *certdb,
SECCertUsage certusage);
/*
* NSS_CMSSignerInfo_Verify - verify the signature of a single SignerInfo
*
* Just verifies the signature. The assumption is that verification of the certificate
* is done already.
*/
extern SECStatus
NSS_CMSSignerInfo_Verify(NSSCMSSignerInfo *signerinfo, SECItem *digest, SECItem *contentType);
extern NSSCMSVerificationStatus
NSS_CMSSignerInfo_GetVerificationStatus(NSSCMSSignerInfo *signerinfo);
extern SECOidData *
NSS_CMSSignerInfo_GetDigestAlg(NSSCMSSignerInfo *signerinfo);
extern SECOidTag
NSS_CMSSignerInfo_GetDigestAlgTag(NSSCMSSignerInfo *signerinfo);
extern int
NSS_CMSSignerInfo_GetVersion(NSSCMSSignerInfo *signerinfo);
extern CERTCertificateList *
NSS_CMSSignerInfo_GetCertList(NSSCMSSignerInfo *signerinfo);
/*
* NSS_CMSSignerInfo_GetSigningTime - return the signing time,
* in UTCTime format, of a CMS signerInfo.
*
* sinfo - signerInfo data for this signer
*
* Returns a pointer to XXXX (what?)
* A return value of NULL is an error.
*/
extern SECStatus
NSS_CMSSignerInfo_GetSigningTime(NSSCMSSignerInfo *sinfo, PRTime *stime);
/*
* Return the signing cert of a CMS signerInfo.
*
* the certs in the enclosing SignedData must have been imported already
*/
extern CERTCertificate *
NSS_CMSSignerInfo_GetSigningCertificate(NSSCMSSignerInfo *signerinfo, CERTCertDBHandle *certdb);
/*
* NSS_CMSSignerInfo_GetSignerCommonName - return the common name of the signer
*
* sinfo - signerInfo data for this signer
*
* Returns a pointer to allocated memory, which must be freed with PORT_Free.
* A return value of NULL is an error.
*/
extern char *
NSS_CMSSignerInfo_GetSignerCommonName(NSSCMSSignerInfo *sinfo);
/*
* NSS_CMSSignerInfo_GetSignerEmailAddress - return the common name of the signer
*
* sinfo - signerInfo data for this signer
*
* Returns a pointer to allocated memory, which must be freed.
* A return value of NULL is an error.
*/
extern char *
NSS_CMSSignerInfo_GetSignerEmailAddress(NSSCMSSignerInfo *sinfo);
/*
* NSS_CMSSignerInfo_AddAuthAttr - add an attribute to the
* authenticated (i.e. signed) attributes of "signerinfo".
*/
extern SECStatus
NSS_CMSSignerInfo_AddAuthAttr(NSSCMSSignerInfo *signerinfo, NSSCMSAttribute *attr);
/*
* NSS_CMSSignerInfo_AddUnauthAttr - add an attribute to the
* unauthenticated attributes of "signerinfo".
*/
extern SECStatus
NSS_CMSSignerInfo_AddUnauthAttr(NSSCMSSignerInfo *signerinfo, NSSCMSAttribute *attr);
/*
* NSS_CMSSignerInfo_AddSigningTime - add the signing time to the
* authenticated (i.e. signed) attributes of "signerinfo".
*
* This is expected to be included in outgoing signed
* messages for email (S/MIME) but is likely useful in other situations.
*
* This should only be added once; a second call will do nothing.
*
* XXX This will probably just shove the current time into "signerinfo"
* but it will not actually get signed until the entire item is
* processed for encoding. Is this (expected to be small) delay okay?
*/
extern SECStatus
NSS_CMSSignerInfo_AddSigningTime(NSSCMSSignerInfo *signerinfo, PRTime t);
/*
* NSS_CMSSignerInfo_AddSMIMECaps - add a SMIMECapabilities attribute to the
* authenticated (i.e. signed) attributes of "signerinfo".
*
* This is expected to be included in outgoing signed
* messages for email (S/MIME).
*/
extern SECStatus
NSS_CMSSignerInfo_AddSMIMECaps(NSSCMSSignerInfo *signerinfo);
/*
* NSS_CMSSignerInfo_AddSMIMEEncKeyPrefs - add a SMIMEEncryptionKeyPreferences attribute to the
* authenticated (i.e. signed) attributes of "signerinfo".
*
* This is expected to be included in outgoing signed messages for email (S/MIME).
*/
SECStatus
NSS_CMSSignerInfo_AddSMIMEEncKeyPrefs(NSSCMSSignerInfo *signerinfo, CERTCertificate *cert, CERTCertDBHandle *certdb);
/*
* NSS_CMSSignerInfo_AddMSSMIMEEncKeyPrefs - add a SMIMEEncryptionKeyPreferences attribute to the
* authenticated (i.e. signed) attributes of "signerinfo", using the OID prefered by Microsoft.
*
* This is expected to be included in outgoing signed messages for email (S/MIME),
* if compatibility with Microsoft mail clients is wanted.
*/
SECStatus
NSS_CMSSignerInfo_AddMSSMIMEEncKeyPrefs(NSSCMSSignerInfo *signerinfo, CERTCertificate *cert, CERTCertDBHandle *certdb);
/*
* NSS_CMSSignerInfo_AddCounterSignature - countersign a signerinfo
*/
extern SECStatus
NSS_CMSSignerInfo_AddCounterSignature(NSSCMSSignerInfo *signerinfo,
SECOidTag digestalg, CERTCertificate signingcert);
/*
* XXXX the following needs to be done in the S/MIME layer code
* after signature of a signerinfo is verified
*/
extern SECStatus
NSS_SMIMESignerInfo_SaveSMIMEProfile(NSSCMSSignerInfo *signerinfo);
/*
* NSS_CMSSignerInfo_IncludeCerts - set cert chain inclusion mode for this signer
*/
extern SECStatus
NSS_CMSSignerInfo_IncludeCerts(NSSCMSSignerInfo *signerinfo, NSSCMSCertChainMode cm, SECCertUsage usage);
/************************************************************************
* cmsenvdata.c - CMS envelopedData methods
************************************************************************/
/*
* NSS_CMSEnvelopedData_Create - create an enveloped data message
*/
extern NSSCMSEnvelopedData *
NSS_CMSEnvelopedData_Create(NSSCMSMessage *cmsg, SECOidTag algorithm, int keysize);
/*
* NSS_CMSEnvelopedData_Destroy - destroy an enveloped data message
*/
extern void
NSS_CMSEnvelopedData_Destroy(NSSCMSEnvelopedData *edp);
/*
* NSS_CMSEnvelopedData_GetContentInfo - return pointer to this envelopedData's contentinfo
*/
extern NSSCMSContentInfo *
NSS_CMSEnvelopedData_GetContentInfo(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_AddRecipient - add a recipientinfo to the enveloped data msg
*
* rip must be created on the same pool as edp - this is not enforced, though.
*/
extern SECStatus
NSS_CMSEnvelopedData_AddRecipient(NSSCMSEnvelopedData *edp, NSSCMSRecipientInfo *rip);
/*
* NSS_CMSEnvelopedData_Encode_BeforeStart - prepare this envelopedData for encoding
*
* at this point, we need
* - recipientinfos set up with recipient's certificates
* - a content encryption algorithm (if none, 3DES will be used)
*
* this function will generate a random content encryption key (aka bulk key),
* initialize the recipientinfos with certificate identification and wrap the bulk key
* using the proper algorithm for every certificiate.
* it will finally set the bulk algorithm and key so that the encode step can find it.
*/
extern SECStatus
NSS_CMSEnvelopedData_Encode_BeforeStart(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_Encode_BeforeData - set up encryption
*/
extern SECStatus
NSS_CMSEnvelopedData_Encode_BeforeData(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_Encode_AfterData - finalize this envelopedData for encoding
*/
extern SECStatus
NSS_CMSEnvelopedData_Encode_AfterData(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_Decode_BeforeData - find our recipientinfo,
* derive bulk key & set up our contentinfo
*/
extern SECStatus
NSS_CMSEnvelopedData_Decode_BeforeData(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_Decode_AfterData - finish decrypting this envelopedData's content
*/
extern SECStatus
NSS_CMSEnvelopedData_Decode_AfterData(NSSCMSEnvelopedData *envd);
/*
* NSS_CMSEnvelopedData_Decode_AfterEnd - finish decoding this envelopedData
*/
extern SECStatus
NSS_CMSEnvelopedData_Decode_AfterEnd(NSSCMSEnvelopedData *envd);
/************************************************************************
* cmsrecinfo.c - CMS recipientInfo methods
************************************************************************/
/*
* NSS_CMSRecipientInfo_Create - create a recipientinfo
*
* we currently do not create KeyAgreement recipientinfos with multiple recipientEncryptedKeys
* the certificate is supposed to have been verified by the caller
*/
extern NSSCMSRecipientInfo *
NSS_CMSRecipientInfo_Create(NSSCMSMessage *cmsg, CERTCertificate *cert);
extern NSSCMSRecipientInfo *
NSS_CMSRecipientInfo_CreateWithSubjKeyID(NSSCMSMessage *cmsg,
SECItem *subjKeyID,
SECKEYPublicKey *pubKey);
extern NSSCMSRecipientInfo *
NSS_CMSRecipientInfo_CreateWithSubjKeyIDFromCert(NSSCMSMessage *cmsg,
CERTCertificate *cert);
/*
* NSS_CMSRecipientInfo_CreateNew - create a blank recipientinfo for
* applications which want to encode their own CMS structures and
* key exchange types.
*/
extern NSSCMSRecipientInfo *
NSS_CMSRecipientInfo_CreateNew(void* pwfn_arg);
/*
* NSS_CMSRecipientInfo_CreateFromDER - create a recipientinfo from partially
* decoded DER data for applications which want to encode their own CMS
* structures and key exchange types.
*/
extern NSSCMSRecipientInfo *
NSS_CMSRecipientInfo_CreateFromDER(SECItem* input, void* pwfn_arg);
extern void
NSS_CMSRecipientInfo_Destroy(NSSCMSRecipientInfo *ri);
/*
* NSS_CMSRecipientInfo_GetCertAndKey - retrieve the cert and key from the
* recipientInfo struct. If retcert or retkey are NULL, the cert or
* key (respectively) would not be returned). This function is a no-op if both
* retcert and retkey are NULL. Caller inherits ownership of the cert and key
* he requested (and is responsible to free them).
*/
SECStatus NSS_CMSRecipientInfo_GetCertAndKey(NSSCMSRecipientInfo *ri,
CERTCertificate** retcert, SECKEYPrivateKey** retkey);
extern int
NSS_CMSRecipientInfo_GetVersion(NSSCMSRecipientInfo *ri);
extern SECItem *
NSS_CMSRecipientInfo_GetEncryptedKey(NSSCMSRecipientInfo *ri, int subIndex);
/*
* NSS_CMSRecipientInfo_Encode - encode an NSS_CMSRecipientInfo as ASN.1
*/
SECStatus NSS_CMSRecipientInfo_Encode(PLArenaPool* poolp,
const NSSCMSRecipientInfo *src,
SECItem* returned);
extern SECOidTag
NSS_CMSRecipientInfo_GetKeyEncryptionAlgorithmTag(NSSCMSRecipientInfo *ri);
extern SECStatus
NSS_CMSRecipientInfo_WrapBulkKey(NSSCMSRecipientInfo *ri, PK11SymKey *bulkkey, SECOidTag bulkalgtag);
extern PK11SymKey *
NSS_CMSRecipientInfo_UnwrapBulkKey(NSSCMSRecipientInfo *ri, int subIndex,
CERTCertificate *cert, SECKEYPrivateKey *privkey, SECOidTag bulkalgtag);
/************************************************************************
* cmsencdata.c - CMS encryptedData methods
************************************************************************/
/*
* NSS_CMSEncryptedData_Create - create an empty encryptedData object.
*
* "algorithm" specifies the bulk encryption algorithm to use.
* "keysize" is the key size.
*
* An error results in a return value of NULL and an error set.
* (Retrieve specific errors via PORT_GetError()/XP_GetError().)
*/
extern NSSCMSEncryptedData *
NSS_CMSEncryptedData_Create(NSSCMSMessage *cmsg, SECOidTag algorithm, int keysize);
/*
* NSS_CMSEncryptedData_Destroy - destroy an encryptedData object
*/
extern void
NSS_CMSEncryptedData_Destroy(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_GetContentInfo - return pointer to encryptedData object's contentInfo
*/
extern NSSCMSContentInfo *
NSS_CMSEncryptedData_GetContentInfo(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Encode_BeforeStart - do all the necessary things to a EncryptedData
* before encoding begins.
*
* In particular:
* - set the correct version value.
* - get the encryption key
*/
extern SECStatus
NSS_CMSEncryptedData_Encode_BeforeStart(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Encode_BeforeData - set up encryption
*/
extern SECStatus
NSS_CMSEncryptedData_Encode_BeforeData(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Encode_AfterData - finalize this encryptedData for encoding
*/
extern SECStatus
NSS_CMSEncryptedData_Encode_AfterData(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Decode_BeforeData - find bulk key & set up decryption
*/
extern SECStatus
NSS_CMSEncryptedData_Decode_BeforeData(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Decode_AfterData - finish decrypting this encryptedData's content
*/
extern SECStatus
NSS_CMSEncryptedData_Decode_AfterData(NSSCMSEncryptedData *encd);
/*
* NSS_CMSEncryptedData_Decode_AfterEnd - finish decoding this encryptedData
*/
extern SECStatus
NSS_CMSEncryptedData_Decode_AfterEnd(NSSCMSEncryptedData *encd);
/************************************************************************
* cmsdigdata.c - CMS encryptedData methods
************************************************************************/
/*
* NSS_CMSDigestedData_Create - create a digestedData object (presumably for encoding)
*
* version will be set by NSS_CMSDigestedData_Encode_BeforeStart
* digestAlg is passed as parameter
* contentInfo must be filled by the user
* digest will be calculated while encoding
*/
extern NSSCMSDigestedData *
NSS_CMSDigestedData_Create(NSSCMSMessage *cmsg, SECAlgorithmID *digestalg);
/*
* NSS_CMSDigestedData_Destroy - destroy a digestedData object
*/
extern void
NSS_CMSDigestedData_Destroy(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_GetContentInfo - return pointer to digestedData object's contentInfo
*/
extern NSSCMSContentInfo *
NSS_CMSDigestedData_GetContentInfo(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Encode_BeforeStart - do all the necessary things to a DigestedData
* before encoding begins.
*
* In particular:
* - set the right version number. The contentInfo's content type must be set up already.
*/
extern SECStatus
NSS_CMSDigestedData_Encode_BeforeStart(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Encode_BeforeData - do all the necessary things to a DigestedData
* before the encapsulated data is passed through the encoder.
*
* In detail:
* - set up the digests if necessary
*/
extern SECStatus
NSS_CMSDigestedData_Encode_BeforeData(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Encode_AfterData - do all the necessary things to a DigestedData
* after all the encapsulated data was passed through the encoder.
*
* In detail:
* - finish the digests
*/
extern SECStatus
NSS_CMSDigestedData_Encode_AfterData(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Decode_BeforeData - do all the necessary things to a DigestedData
* before the encapsulated data is passed through the encoder.
*
* In detail:
* - set up the digests if necessary
*/
extern SECStatus
NSS_CMSDigestedData_Decode_BeforeData(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Decode_AfterData - do all the necessary things to a DigestedData
* after all the encapsulated data was passed through the encoder.
*
* In detail:
* - finish the digests
*/
extern SECStatus
NSS_CMSDigestedData_Decode_AfterData(NSSCMSDigestedData *digd);
/*
* NSS_CMSDigestedData_Decode_AfterEnd - finalize a digestedData.
*
* In detail:
* - check the digests for equality
*/
extern SECStatus
NSS_CMSDigestedData_Decode_AfterEnd(NSSCMSDigestedData *digd);
/************************************************************************
* cmsdigest.c - digestion routines
************************************************************************/
/*
* NSS_CMSDigestContext_StartMultiple - start digest calculation using all the
* digest algorithms in "digestalgs" in parallel.
*/
extern NSSCMSDigestContext *
NSS_CMSDigestContext_StartMultiple(SECAlgorithmID **digestalgs);
/*
* NSS_CMSDigestContext_StartSingle - same as NSS_CMSDigestContext_StartMultiple, but
* only one algorithm.
*/
extern NSSCMSDigestContext *
NSS_CMSDigestContext_StartSingle(SECAlgorithmID *digestalg);
/*
* NSS_CMSDigestContext_Update - feed more data into the digest machine
*/
extern void
NSS_CMSDigestContext_Update(NSSCMSDigestContext *cmsdigcx, const unsigned char *data, int len);
/*
* NSS_CMSDigestContext_Cancel - cancel digesting operation
*/
extern void
NSS_CMSDigestContext_Cancel(NSSCMSDigestContext *cmsdigcx);
/*
* NSS_CMSDigestContext_FinishMultiple - finish the digests and put them
* into an array of SECItems (allocated on poolp)
*/
extern SECStatus
NSS_CMSDigestContext_FinishMultiple(NSSCMSDigestContext *cmsdigcx, PLArenaPool *poolp,
SECItem ***digestsp);
/*
* NSS_CMSDigestContext_FinishSingle - same as NSS_CMSDigestContext_FinishMultiple,
* but for one digest.
*/
extern SECStatus
NSS_CMSDigestContext_FinishSingle(NSSCMSDigestContext *cmsdigcx, PLArenaPool *poolp,
SECItem *digest);
/************************************************************************
*
************************************************************************/
/* shortcuts for basic use */
/*
* NSS_CMSDEREncode - DER Encode a CMS message, with input being
* the plaintext message and derOut being the output,
* stored in arena's pool.
*/
extern SECStatus
NSS_CMSDEREncode(NSSCMSMessage *cmsg, SECItem *input, SECItem *derOut,
PLArenaPool *arena);
/************************************************************************/
SEC_END_PROTOS
#endif /* _CMS_H_ */
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