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529 lines
18 KiB
C
529 lines
18 KiB
C
/*
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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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/*
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* Header for CMS types.
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*
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* $Id: cmst.h,v 1.8 2003/02/28 23:32:29 relyea%netscape.com Exp $
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*/
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#ifndef _CMST_H_
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#define _CMST_H_
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#include "seccomon.h"
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#include "secoidt.h"
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#include "certt.h"
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#include "secmodt.h"
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#include "secmodt.h"
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#include "plarena.h"
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/* Non-opaque objects. NOTE, though: I want them to be treated as
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* opaque as much as possible. If I could hide them completely,
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* I would. (I tried, but ran into trouble that was taking me too
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* much time to get out of.) I still intend to try to do so.
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* In fact, the only type that "outsiders" should even *name* is
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* NSSCMSMessage, and they should not reference its fields.
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*/
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/* rjr: PKCS #11 cert handling (pk11cert.c) does use NSSCMSRecipientInfo's.
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* This is because when we search the recipient list for the cert and key we
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* want, we need to invert the order of the loops we used to have. The old
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* loops were:
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*
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* For each recipient {
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* find_cert = PK11_Find_AllCert(recipient->issuerSN);
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* [which unrolls to... ]
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* For each slot {
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* Log into slot;
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* search slot for cert;
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* }
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* }
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*
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* the new loop searchs all the recipients at once on a slot. this allows
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* PKCS #11 to order slots in such a way that logout slots don't get checked
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* if we can find the cert on a logged in slot. This eliminates lots of
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* spurious password prompts when smart cards are installed... so why this
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* comment? If you make NSSCMSRecipientInfo completely opaque, you need
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* to provide a non-opaque list of issuerSN's (the only field PKCS#11 needs
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* and fix up pk11cert.c first. NOTE: Only S/MIME calls this special PKCS #11
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* function.
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*/
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typedef struct NSSCMSMessageStr NSSCMSMessage;
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typedef union NSSCMSContentUnion NSSCMSContent;
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typedef struct NSSCMSContentInfoStr NSSCMSContentInfo;
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typedef struct NSSCMSSignedDataStr NSSCMSSignedData;
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typedef struct NSSCMSSignerInfoStr NSSCMSSignerInfo;
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typedef struct NSSCMSSignerIdentifierStr NSSCMSSignerIdentifier;
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typedef struct NSSCMSEnvelopedDataStr NSSCMSEnvelopedData;
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typedef struct NSSCMSOriginatorInfoStr NSSCMSOriginatorInfo;
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typedef struct NSSCMSRecipientInfoStr NSSCMSRecipientInfo;
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typedef struct NSSCMSDigestedDataStr NSSCMSDigestedData;
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typedef struct NSSCMSEncryptedDataStr NSSCMSEncryptedData;
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typedef struct NSSCMSSMIMEKEAParametersStr NSSCMSSMIMEKEAParameters;
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typedef struct NSSCMSAttributeStr NSSCMSAttribute;
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typedef struct NSSCMSDecoderContextStr NSSCMSDecoderContext;
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typedef struct NSSCMSEncoderContextStr NSSCMSEncoderContext;
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typedef struct NSSCMSCipherContextStr NSSCMSCipherContext;
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typedef struct NSSCMSDigestContextStr NSSCMSDigestContext;
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/*
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* Type of function passed to NSSCMSDecode or NSSCMSDecoderStart.
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* If specified, this is where the content bytes (only) will be "sent"
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* as they are recovered during the decoding.
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* And:
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* Type of function passed to NSSCMSEncode or NSSCMSEncoderStart.
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* This is where the DER-encoded bytes will be "sent".
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*
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* XXX Should just combine this with NSSCMSEncoderContentCallback type
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* and use a simpler, common name.
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*/
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typedef void (*NSSCMSContentCallback)(void *arg, const char *buf, unsigned long len);
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/*
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* Type of function passed to NSSCMSDecode or NSSCMSDecoderStart
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* to retrieve the decryption key. This function is intended to be
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* used for EncryptedData content info's which do not have a key available
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* in a certificate, etc.
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*/
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typedef PK11SymKey *(*NSSCMSGetDecryptKeyCallback)(void *arg, SECAlgorithmID *algid);
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/* =============================================================================
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* ENCAPSULATED CONTENTINFO & CONTENTINFO
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*/
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union NSSCMSContentUnion {
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/* either unstructured */
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SECItem * data;
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/* or structured data */
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NSSCMSDigestedData * digestedData;
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NSSCMSEncryptedData * encryptedData;
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NSSCMSEnvelopedData * envelopedData;
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NSSCMSSignedData * signedData;
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/* or anonymous pointer to something */
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void * pointer;
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};
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struct NSSCMSContentInfoStr {
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SECItem contentType;
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NSSCMSContent content;
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/* --------- local; not part of encoding --------- */
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SECOidData * contentTypeTag;
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/* additional info for encryptedData and envelopedData */
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/* we waste this space for signedData and digestedData. sue me. */
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SECAlgorithmID contentEncAlg;
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SECItem * rawContent; /* encrypted DER, optional */
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/* XXXX bytes not encrypted, but encoded? */
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/* --------- local; not part of encoding --------- */
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PK11SymKey * bulkkey; /* bulk encryption key */
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int keysize; /* size of bulk encryption key
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* (only used by creation code) */
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SECOidTag contentEncAlgTag; /* oid tag of encryption algorithm
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* (only used by creation code) */
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NSSCMSCipherContext *ciphcx; /* context for en/decryption going on */
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NSSCMSDigestContext *digcx; /* context for digesting going on */
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};
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/* =============================================================================
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* MESSAGE
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*/
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struct NSSCMSMessageStr {
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NSSCMSContentInfo contentInfo; /* "outer" cinfo */
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/* --------- local; not part of encoding --------- */
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PLArenaPool * poolp;
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PRBool poolp_is_ours;
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int refCount;
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/* properties of the "inner" data */
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SECAlgorithmID ** detached_digestalgs;
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SECItem ** detached_digests;
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void * pwfn_arg;
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NSSCMSGetDecryptKeyCallback decrypt_key_cb;
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void * decrypt_key_cb_arg;
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};
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/* =============================================================================
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* SIGNEDDATA
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*/
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struct NSSCMSSignedDataStr {
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SECItem version;
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SECAlgorithmID ** digestAlgorithms;
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NSSCMSContentInfo contentInfo;
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SECItem ** rawCerts;
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CERTSignedCrl ** crls;
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NSSCMSSignerInfo ** signerInfos;
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer to message */
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SECItem ** digests;
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CERTCertificate ** certs;
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CERTCertificateList ** certLists;
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};
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#define NSS_CMS_SIGNED_DATA_VERSION_BASIC 1 /* what we *create* */
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#define NSS_CMS_SIGNED_DATA_VERSION_EXT 3 /* what we *create* */
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typedef enum {
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NSSCMSVS_Unverified = 0,
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NSSCMSVS_GoodSignature = 1,
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NSSCMSVS_BadSignature = 2,
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NSSCMSVS_DigestMismatch = 3,
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NSSCMSVS_SigningCertNotFound = 4,
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NSSCMSVS_SigningCertNotTrusted = 5,
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NSSCMSVS_SignatureAlgorithmUnknown = 6,
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NSSCMSVS_SignatureAlgorithmUnsupported = 7,
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NSSCMSVS_MalformedSignature = 8,
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NSSCMSVS_ProcessingError = 9
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} NSSCMSVerificationStatus;
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typedef enum {
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NSSCMSSignerID_IssuerSN = 0,
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NSSCMSSignerID_SubjectKeyID = 1
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} NSSCMSSignerIDSelector;
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struct NSSCMSSignerIdentifierStr {
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NSSCMSSignerIDSelector identifierType;
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union {
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CERTIssuerAndSN *issuerAndSN;
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SECItem *subjectKeyID;
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} id;
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};
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struct NSSCMSSignerInfoStr {
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SECItem version;
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NSSCMSSignerIdentifier signerIdentifier;
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SECAlgorithmID digestAlg;
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NSSCMSAttribute ** authAttr;
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SECAlgorithmID digestEncAlg;
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SECItem encDigest;
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NSSCMSAttribute ** unAuthAttr;
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer to message */
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CERTCertificate * cert;
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CERTCertificateList * certList;
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PRTime signingTime;
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NSSCMSVerificationStatus verificationStatus;
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SECKEYPrivateKey * signingKey; /* Used if we're using subjKeyID*/
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SECKEYPublicKey * pubKey;
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};
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#define NSS_CMS_SIGNER_INFO_VERSION_ISSUERSN 1 /* what we *create* */
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#define NSS_CMS_SIGNER_INFO_VERSION_SUBJKEY 3 /* what we *create* */
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typedef enum {
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NSSCMSCM_None = 0,
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NSSCMSCM_CertOnly = 1,
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NSSCMSCM_CertChain = 2,
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NSSCMSCM_CertChainWithRoot = 3
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} NSSCMSCertChainMode;
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/* =============================================================================
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* ENVELOPED DATA
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*/
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struct NSSCMSEnvelopedDataStr {
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SECItem version;
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NSSCMSOriginatorInfo * originatorInfo; /* optional */
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NSSCMSRecipientInfo ** recipientInfos;
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NSSCMSContentInfo contentInfo;
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NSSCMSAttribute ** unprotectedAttr;
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer to message */
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};
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#define NSS_CMS_ENVELOPED_DATA_VERSION_REG 0 /* what we *create* */
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#define NSS_CMS_ENVELOPED_DATA_VERSION_ADV 2 /* what we *create* */
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struct NSSCMSOriginatorInfoStr {
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SECItem ** rawCerts;
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CERTSignedCrl ** crls;
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/* --------- local; not part of encoding --------- */
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CERTCertificate ** certs;
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};
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/* -----------------------------------------------------------------------------
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* key transport recipient info
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*/
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typedef enum {
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NSSCMSRecipientID_IssuerSN = 0,
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NSSCMSRecipientID_SubjectKeyID = 1,
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NSSCMSRecipientID_BrandNew = 2
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} NSSCMSRecipientIDSelector;
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struct NSSCMSRecipientIdentifierStr {
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NSSCMSRecipientIDSelector identifierType;
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union {
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CERTIssuerAndSN *issuerAndSN;
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SECItem *subjectKeyID;
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} id;
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};
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typedef struct NSSCMSRecipientIdentifierStr NSSCMSRecipientIdentifier;
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struct NSSCMSKeyTransRecipientInfoStr {
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SECItem version;
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NSSCMSRecipientIdentifier recipientIdentifier;
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SECAlgorithmID keyEncAlg;
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SECItem encKey;
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};
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typedef struct NSSCMSKeyTransRecipientInfoStr NSSCMSKeyTransRecipientInfo;
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/*
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* View comments before NSSCMSRecipientInfoStr for purpose of this
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* structure.
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*/
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struct NSSCMSKeyTransRecipientInfoExStr {
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NSSCMSKeyTransRecipientInfo recipientInfo;
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int version; /* version of this structure (0) */
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SECKEYPublicKey *pubKey;
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};
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typedef struct NSSCMSKeyTransRecipientInfoExStr NSSCMSKeyTransRecipientInfoEx;
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#define NSS_CMS_KEYTRANS_RECIPIENT_INFO_VERSION_ISSUERSN 0 /* what we *create* */
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#define NSS_CMS_KEYTRANS_RECIPIENT_INFO_VERSION_SUBJKEY 2 /* what we *create* */
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/* -----------------------------------------------------------------------------
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* key agreement recipient info
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*/
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struct NSSCMSOriginatorPublicKeyStr {
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SECAlgorithmID algorithmIdentifier;
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SECItem publicKey; /* bit string! */
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};
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typedef struct NSSCMSOriginatorPublicKeyStr NSSCMSOriginatorPublicKey;
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typedef enum {
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NSSCMSOriginatorIDOrKey_IssuerSN = 0,
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NSSCMSOriginatorIDOrKey_SubjectKeyID = 1,
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NSSCMSOriginatorIDOrKey_OriginatorPublicKey = 2
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} NSSCMSOriginatorIDOrKeySelector;
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struct NSSCMSOriginatorIdentifierOrKeyStr {
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NSSCMSOriginatorIDOrKeySelector identifierType;
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union {
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CERTIssuerAndSN *issuerAndSN; /* static-static */
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SECItem *subjectKeyID; /* static-static */
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NSSCMSOriginatorPublicKey originatorPublicKey; /* ephemeral-static */
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} id;
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};
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typedef struct NSSCMSOriginatorIdentifierOrKeyStr NSSCMSOriginatorIdentifierOrKey;
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struct NSSCMSRecipientKeyIdentifierStr {
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SECItem * subjectKeyIdentifier;
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SECItem * date; /* optional */
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SECItem * other; /* optional */
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};
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typedef struct NSSCMSRecipientKeyIdentifierStr NSSCMSRecipientKeyIdentifier;
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typedef enum {
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NSSCMSKeyAgreeRecipientID_IssuerSN = 0,
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NSSCMSKeyAgreeRecipientID_RKeyID = 1
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} NSSCMSKeyAgreeRecipientIDSelector;
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struct NSSCMSKeyAgreeRecipientIdentifierStr {
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NSSCMSKeyAgreeRecipientIDSelector identifierType;
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union {
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CERTIssuerAndSN *issuerAndSN;
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NSSCMSRecipientKeyIdentifier recipientKeyIdentifier;
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} id;
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};
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typedef struct NSSCMSKeyAgreeRecipientIdentifierStr NSSCMSKeyAgreeRecipientIdentifier;
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struct NSSCMSRecipientEncryptedKeyStr {
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NSSCMSKeyAgreeRecipientIdentifier recipientIdentifier;
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SECItem encKey;
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};
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typedef struct NSSCMSRecipientEncryptedKeyStr NSSCMSRecipientEncryptedKey;
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struct NSSCMSKeyAgreeRecipientInfoStr {
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SECItem version;
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NSSCMSOriginatorIdentifierOrKey originatorIdentifierOrKey;
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SECItem * ukm; /* optional */
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SECAlgorithmID keyEncAlg;
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NSSCMSRecipientEncryptedKey ** recipientEncryptedKeys;
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};
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typedef struct NSSCMSKeyAgreeRecipientInfoStr NSSCMSKeyAgreeRecipientInfo;
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#define NSS_CMS_KEYAGREE_RECIPIENT_INFO_VERSION 3 /* what we *create* */
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/* -----------------------------------------------------------------------------
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* KEK recipient info
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*/
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struct NSSCMSKEKIdentifierStr {
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SECItem keyIdentifier;
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SECItem * date; /* optional */
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SECItem * other; /* optional */
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};
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typedef struct NSSCMSKEKIdentifierStr NSSCMSKEKIdentifier;
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struct NSSCMSKEKRecipientInfoStr {
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SECItem version;
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NSSCMSKEKIdentifier kekIdentifier;
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SECAlgorithmID keyEncAlg;
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SECItem encKey;
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};
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typedef struct NSSCMSKEKRecipientInfoStr NSSCMSKEKRecipientInfo;
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#define NSS_CMS_KEK_RECIPIENT_INFO_VERSION 4 /* what we *create* */
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/* -----------------------------------------------------------------------------
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* recipient info
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*/
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typedef enum {
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NSSCMSRecipientInfoID_KeyTrans = 0,
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NSSCMSRecipientInfoID_KeyAgree = 1,
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NSSCMSRecipientInfoID_KEK = 2
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} NSSCMSRecipientInfoIDSelector;
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/*
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* In order to preserve backwards binary compatibility when implementing
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* creation of Recipient Info's that uses subjectKeyID in the
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* keyTransRecipientInfo we need to stash a public key pointer in this
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* structure somewhere. We figured out that NSSCMSKeyTransRecipientInfo
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* is the smallest member of the ri union. We're in luck since that's
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* the very structure that would need to use the public key. So we created
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* a new structure NSSCMSKeyTransRecipientInfoEx which has a member
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* NSSCMSKeyTransRecipientInfo as the first member followed by a version
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* and a public key pointer. This way we can keep backwards compatibility
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* without changing the size of this structure.
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*
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* BTW, size of structure:
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* NSSCMSKeyTransRecipientInfo: 9 ints, 4 pointers
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* NSSCMSKeyAgreeRecipientInfo: 12 ints, 8 pointers
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* NSSCMSKEKRecipientInfo: 10 ints, 7 pointers
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*
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* The new structure:
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* NSSCMSKeyTransRecipientInfoEx: sizeof(NSSCMSKeyTransRecipientInfo) +
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* 1 int, 1 pointer
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*/
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struct NSSCMSRecipientInfoStr {
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NSSCMSRecipientInfoIDSelector recipientInfoType;
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union {
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NSSCMSKeyTransRecipientInfo keyTransRecipientInfo;
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NSSCMSKeyAgreeRecipientInfo keyAgreeRecipientInfo;
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NSSCMSKEKRecipientInfo kekRecipientInfo;
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NSSCMSKeyTransRecipientInfoEx keyTransRecipientInfoEx;
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} ri;
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer to message */
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CERTCertificate * cert; /* recipient's certificate */
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};
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/* =============================================================================
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* DIGESTED DATA
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*/
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struct NSSCMSDigestedDataStr {
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SECItem version;
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SECAlgorithmID digestAlg;
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NSSCMSContentInfo contentInfo;
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SECItem digest;
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer */
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SECItem cdigest; /* calculated digest */
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};
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#define NSS_CMS_DIGESTED_DATA_VERSION_DATA 0 /* what we *create* */
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#define NSS_CMS_DIGESTED_DATA_VERSION_ENCAP 2 /* what we *create* */
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/* =============================================================================
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* ENCRYPTED DATA
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*/
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struct NSSCMSEncryptedDataStr {
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SECItem version;
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NSSCMSContentInfo contentInfo;
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NSSCMSAttribute ** unprotectedAttr; /* optional */
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/* --------- local; not part of encoding --------- */
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NSSCMSMessage * cmsg; /* back pointer */
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};
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#define NSS_CMS_ENCRYPTED_DATA_VERSION 0 /* what we *create* */
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#define NSS_CMS_ENCRYPTED_DATA_VERSION_UPATTR 2 /* what we *create* */
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/* =============================================================================
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* FORTEZZA KEA
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*/
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/* An enumerated type used to select templates based on the encryption
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scenario and data specifics. */
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typedef enum {
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NSSCMSKEAInvalid = -1,
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NSSCMSKEAUsesSkipjack = 0,
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NSSCMSKEAUsesNonSkipjack = 1,
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NSSCMSKEAUsesNonSkipjackWithPaddedEncKey = 2
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} NSSCMSKEATemplateSelector;
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/* ### mwelch - S/MIME KEA parameters. These don't really fit here,
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but I cannot think of a more appropriate place at this time. */
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struct NSSCMSSMIMEKEAParametersStr {
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SECItem originatorKEAKey; /* sender KEA key (encrypted?) */
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SECItem originatorRA; /* random number generated by sender */
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SECItem nonSkipjackIV; /* init'n vector for SkipjackCBC64
|
|
decryption of KEA key if Skipjack
|
|
is not the bulk algorithm used on
|
|
the message */
|
|
SECItem bulkKeySize; /* if Skipjack is not the bulk
|
|
algorithm used on the message,
|
|
and the size of the bulk encryption
|
|
key is not the same as that of
|
|
originatorKEAKey (due to padding
|
|
perhaps), this field will contain
|
|
the real size of the bulk encryption
|
|
key. */
|
|
};
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|
|
|
/*
|
|
* *****************************************************************************
|
|
* *****************************************************************************
|
|
* *****************************************************************************
|
|
*/
|
|
|
|
/*
|
|
* See comment above about this type not really belonging to CMS.
|
|
*/
|
|
struct NSSCMSAttributeStr {
|
|
/* The following fields make up an encoded Attribute: */
|
|
SECItem type;
|
|
SECItem ** values; /* data may or may not be encoded */
|
|
/* The following fields are not part of an encoded Attribute: */
|
|
SECOidData * typeTag;
|
|
PRBool encoded; /* when true, values are encoded */
|
|
};
|
|
|
|
#endif /* _CMST_H_ */
|