mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-16 04:20:32 +01:00
44b7f056d9
bug1001332, 56b691c003ad, bug1086145, bug1054069, bug1155922, bug991783, bug1125025, bug1162521, bug1162644, bug1132941, bug1164364, bug1166205, bug1166163, bug1166515, bug1138554, bug1167046, bug1167043, bug1169451, bug1172128, bug1170322, bug102794, bug1128184, bug557830, bug1174648, bug1180244, bug1177784, bug1173413, bug1169174, bug1084669, bug951455, bug1183395, bug1177430, bug1183827, bug1160139, bug1154106, bug1142209, bug1185033, bug1193467, bug1182667(with sha512 changes backed out, which breaks VC6 compilation), bug1158489, bug337796
677 lines
20 KiB
C
677 lines
20 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* CMS recipientInfo methods.
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*/
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#include "cmslocal.h"
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#include "cert.h"
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#include "key.h"
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#include "secasn1.h"
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#include "secitem.h"
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#include "secoid.h"
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#include "pk11func.h"
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#include "secerr.h"
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PRBool
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nss_cmsrecipientinfo_usessubjectkeyid(NSSCMSRecipientInfo *ri)
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{
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if (ri->recipientInfoType == NSSCMSRecipientInfoID_KeyTrans) {
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NSSCMSRecipientIdentifier *rid;
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rid = &ri->ri.keyTransRecipientInfo.recipientIdentifier;
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if (rid->identifierType == NSSCMSRecipientID_SubjectKeyID) {
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return PR_TRUE;
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}
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}
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return PR_FALSE;
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}
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/*
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* NOTE: fakeContent marks CMSMessage structure which is only used as a carrier
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* of pwfn_arg and arena pools. In an ideal world, NSSCMSMessage would not have
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* been exported, and we would have added an ordinary enum to handle this
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* check. Unfortunatly wo don't have that luxury so we are overloading the
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* contentTypeTag field. NO code should every try to interpret this content tag
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* as a real OID tag, or use any fields other than pwfn_arg or poolp of this
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* CMSMessage for that matter */
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static const SECOidData fakeContent;
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NSSCMSRecipientInfo *
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nss_cmsrecipientinfo_create(NSSCMSMessage *cmsg,
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NSSCMSRecipientIDSelector type,
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CERTCertificate *cert,
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SECKEYPublicKey *pubKey,
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SECItem *subjKeyID,
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void* pwfn_arg,
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SECItem* DERinput)
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{
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NSSCMSRecipientInfo *ri;
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void *mark;
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SECOidTag certalgtag;
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SECStatus rv = SECSuccess;
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NSSCMSRecipientEncryptedKey *rek;
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NSSCMSOriginatorIdentifierOrKey *oiok;
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unsigned long version;
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SECItem *dummy;
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PLArenaPool *poolp;
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CERTSubjectPublicKeyInfo *spki, *freeSpki = NULL;
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NSSCMSRecipientIdentifier *rid;
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extern const SEC_ASN1Template NSSCMSRecipientInfoTemplate[];
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if (!cmsg) {
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/* a CMSMessage wasn't supplied, create a fake one to hold the pwfunc
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* and a private arena pool */
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cmsg = NSS_CMSMessage_Create(NULL);
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cmsg->pwfn_arg = pwfn_arg;
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/* mark it as a special cms message */
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cmsg->contentInfo.contentTypeTag = (SECOidData *)&fakeContent;
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}
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poolp = cmsg->poolp;
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mark = PORT_ArenaMark(poolp);
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ri = (NSSCMSRecipientInfo *)PORT_ArenaZAlloc(poolp, sizeof(NSSCMSRecipientInfo));
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if (ri == NULL)
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goto loser;
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ri->cmsg = cmsg;
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if (DERinput) {
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/* decode everything from DER */
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SECItem newinput;
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SECStatus rv = SECITEM_CopyItem(poolp, &newinput, DERinput);
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if (SECSuccess != rv)
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goto loser;
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rv = SEC_QuickDERDecodeItem(poolp, ri, NSSCMSRecipientInfoTemplate, &newinput);
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if (SECSuccess != rv)
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goto loser;
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}
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switch (type) {
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case NSSCMSRecipientID_IssuerSN:
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{
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ri->cert = CERT_DupCertificate(cert);
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if (NULL == ri->cert)
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goto loser;
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spki = &(cert->subjectPublicKeyInfo);
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break;
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}
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case NSSCMSRecipientID_SubjectKeyID:
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{
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PORT_Assert(pubKey);
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spki = freeSpki = SECKEY_CreateSubjectPublicKeyInfo(pubKey);
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break;
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}
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case NSSCMSRecipientID_BrandNew:
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goto done;
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break;
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default:
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/* unkown type */
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goto loser;
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break;
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}
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certalgtag = SECOID_GetAlgorithmTag(&(spki->algorithm));
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rid = &ri->ri.keyTransRecipientInfo.recipientIdentifier;
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switch (certalgtag) {
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case SEC_OID_PKCS1_RSA_ENCRYPTION:
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ri->recipientInfoType = NSSCMSRecipientInfoID_KeyTrans;
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rid->identifierType = type;
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if (type == NSSCMSRecipientID_IssuerSN) {
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rid->id.issuerAndSN = CERT_GetCertIssuerAndSN(poolp, cert);
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if (rid->id.issuerAndSN == NULL) {
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break;
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}
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} else if (type == NSSCMSRecipientID_SubjectKeyID){
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NSSCMSKeyTransRecipientInfoEx *riExtra;
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rid->id.subjectKeyID = PORT_ArenaNew(poolp, SECItem);
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if (rid->id.subjectKeyID == NULL) {
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rv = SECFailure;
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PORT_SetError(SEC_ERROR_NO_MEMORY);
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break;
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}
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SECITEM_CopyItem(poolp, rid->id.subjectKeyID, subjKeyID);
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if (rid->id.subjectKeyID->data == NULL) {
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rv = SECFailure;
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PORT_SetError(SEC_ERROR_NO_MEMORY);
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break;
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}
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riExtra = &ri->ri.keyTransRecipientInfoEx;
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riExtra->version = 0;
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riExtra->pubKey = SECKEY_CopyPublicKey(pubKey);
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if (riExtra->pubKey == NULL) {
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rv = SECFailure;
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PORT_SetError(SEC_ERROR_NO_MEMORY);
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break;
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}
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} else {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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rv = SECFailure;
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}
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break;
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case SEC_OID_X942_DIFFIE_HELMAN_KEY: /* dh-public-number */
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PORT_Assert(type == NSSCMSRecipientID_IssuerSN);
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if (type != NSSCMSRecipientID_IssuerSN) {
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rv = SECFailure;
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break;
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}
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/* a key agreement op */
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ri->recipientInfoType = NSSCMSRecipientInfoID_KeyAgree;
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if (ri->ri.keyTransRecipientInfo.recipientIdentifier.id.issuerAndSN == NULL) {
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rv = SECFailure;
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break;
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}
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/* we do not support the case where multiple recipients
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* share the same KeyAgreeRecipientInfo and have multiple RecipientEncryptedKeys
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* in this case, we would need to walk all the recipientInfos, take the
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* ones that do KeyAgreement algorithms and join them, algorithm by algorithm
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* Then, we'd generate ONE ukm and OriginatorIdentifierOrKey */
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/* only epheremal-static Diffie-Hellman is supported for now
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* this is the only form of key agreement that provides potential anonymity
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* of the sender, plus we do not have to include certs in the message */
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/* force single recipientEncryptedKey for now */
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if ((rek = NSS_CMSRecipientEncryptedKey_Create(poolp)) == NULL) {
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rv = SECFailure;
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break;
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}
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/* hardcoded IssuerSN choice for now */
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rek->recipientIdentifier.identifierType = NSSCMSKeyAgreeRecipientID_IssuerSN;
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if ((rek->recipientIdentifier.id.issuerAndSN = CERT_GetCertIssuerAndSN(poolp, cert)) == NULL) {
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rv = SECFailure;
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break;
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}
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oiok = &(ri->ri.keyAgreeRecipientInfo.originatorIdentifierOrKey);
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/* see RFC2630 12.3.1.1 */
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oiok->identifierType = NSSCMSOriginatorIDOrKey_OriginatorPublicKey;
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rv = NSS_CMSArray_Add(poolp, (void ***)&ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys,
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(void *)rek);
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break;
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default:
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/* other algorithms not supported yet */
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/* NOTE that we do not support any KEK algorithm */
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PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
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rv = SECFailure;
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break;
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}
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if (rv == SECFailure)
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goto loser;
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/* set version */
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switch (ri->recipientInfoType) {
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case NSSCMSRecipientInfoID_KeyTrans:
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if (ri->ri.keyTransRecipientInfo.recipientIdentifier.identifierType == NSSCMSRecipientID_IssuerSN)
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version = NSS_CMS_KEYTRANS_RECIPIENT_INFO_VERSION_ISSUERSN;
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else
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version = NSS_CMS_KEYTRANS_RECIPIENT_INFO_VERSION_SUBJKEY;
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dummy = SEC_ASN1EncodeInteger(poolp, &(ri->ri.keyTransRecipientInfo.version), version);
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if (dummy == NULL)
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goto loser;
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break;
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case NSSCMSRecipientInfoID_KeyAgree:
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dummy = SEC_ASN1EncodeInteger(poolp, &(ri->ri.keyAgreeRecipientInfo.version),
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NSS_CMS_KEYAGREE_RECIPIENT_INFO_VERSION);
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if (dummy == NULL)
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goto loser;
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break;
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case NSSCMSRecipientInfoID_KEK:
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/* NOTE: this cannot happen as long as we do not support any KEK algorithm */
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dummy = SEC_ASN1EncodeInteger(poolp, &(ri->ri.kekRecipientInfo.version),
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NSS_CMS_KEK_RECIPIENT_INFO_VERSION);
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if (dummy == NULL)
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goto loser;
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break;
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}
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done:
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PORT_ArenaUnmark (poolp, mark);
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if (freeSpki)
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SECKEY_DestroySubjectPublicKeyInfo(freeSpki);
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return ri;
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loser:
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if (ri && ri->cert) {
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CERT_DestroyCertificate(ri->cert);
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}
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if (freeSpki) {
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SECKEY_DestroySubjectPublicKeyInfo(freeSpki);
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}
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PORT_ArenaRelease (poolp, mark);
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if (cmsg->contentInfo.contentTypeTag == &fakeContent) {
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NSS_CMSMessage_Destroy(cmsg);
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}
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return NULL;
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}
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/*
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* NSS_CMSRecipientInfo_Create - create a recipientinfo
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*
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* we currently do not create KeyAgreement recipientinfos with multiple
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* recipientEncryptedKeys the certificate is supposed to have been
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* verified by the caller
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*/
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NSSCMSRecipientInfo *
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NSS_CMSRecipientInfo_Create(NSSCMSMessage *cmsg, CERTCertificate *cert)
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{
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return nss_cmsrecipientinfo_create(cmsg, NSSCMSRecipientID_IssuerSN, cert,
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NULL, NULL, NULL, NULL);
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}
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NSSCMSRecipientInfo *
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NSS_CMSRecipientInfo_CreateNew(void* pwfn_arg)
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{
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return nss_cmsrecipientinfo_create(NULL, NSSCMSRecipientID_BrandNew, NULL,
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NULL, NULL, pwfn_arg, NULL);
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}
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NSSCMSRecipientInfo *
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NSS_CMSRecipientInfo_CreateFromDER(SECItem* input, void* pwfn_arg)
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{
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return nss_cmsrecipientinfo_create(NULL, NSSCMSRecipientID_BrandNew, NULL,
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NULL, NULL, pwfn_arg, input);
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}
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NSSCMSRecipientInfo *
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NSS_CMSRecipientInfo_CreateWithSubjKeyID(NSSCMSMessage *cmsg,
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SECItem *subjKeyID,
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SECKEYPublicKey *pubKey)
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{
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return nss_cmsrecipientinfo_create(cmsg, NSSCMSRecipientID_SubjectKeyID,
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NULL, pubKey, subjKeyID, NULL, NULL);
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}
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NSSCMSRecipientInfo *
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NSS_CMSRecipientInfo_CreateWithSubjKeyIDFromCert(NSSCMSMessage *cmsg,
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CERTCertificate *cert)
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{
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SECKEYPublicKey *pubKey = NULL;
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SECItem subjKeyID = {siBuffer, NULL, 0};
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NSSCMSRecipientInfo *retVal = NULL;
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if (!cmsg || !cert) {
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return NULL;
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}
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pubKey = CERT_ExtractPublicKey(cert);
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if (!pubKey) {
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goto done;
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}
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if (CERT_FindSubjectKeyIDExtension(cert, &subjKeyID) != SECSuccess ||
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subjKeyID.data == NULL) {
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goto done;
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}
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retVal = NSS_CMSRecipientInfo_CreateWithSubjKeyID(cmsg, &subjKeyID, pubKey);
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done:
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if (pubKey)
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SECKEY_DestroyPublicKey(pubKey);
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if (subjKeyID.data)
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SECITEM_FreeItem(&subjKeyID, PR_FALSE);
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return retVal;
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}
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void
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NSS_CMSRecipientInfo_Destroy(NSSCMSRecipientInfo *ri)
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{
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if (!ri) {
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return;
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}
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/* version was allocated on the pool, so no need to destroy it */
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/* issuerAndSN was allocated on the pool, so no need to destroy it */
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if (ri->cert != NULL)
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CERT_DestroyCertificate(ri->cert);
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if (nss_cmsrecipientinfo_usessubjectkeyid(ri)) {
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NSSCMSKeyTransRecipientInfoEx *extra;
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extra = &ri->ri.keyTransRecipientInfoEx;
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if (extra->pubKey)
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SECKEY_DestroyPublicKey(extra->pubKey);
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}
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if (ri->cmsg && ri->cmsg->contentInfo.contentTypeTag == &fakeContent) {
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NSS_CMSMessage_Destroy(ri->cmsg);
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}
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/* we're done. */
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}
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int
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NSS_CMSRecipientInfo_GetVersion(NSSCMSRecipientInfo *ri)
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{
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unsigned long version;
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SECItem *versionitem = NULL;
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switch (ri->recipientInfoType) {
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case NSSCMSRecipientInfoID_KeyTrans:
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/* ignore subIndex */
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versionitem = &(ri->ri.keyTransRecipientInfo.version);
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break;
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case NSSCMSRecipientInfoID_KEK:
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/* ignore subIndex */
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versionitem = &(ri->ri.kekRecipientInfo.version);
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break;
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case NSSCMSRecipientInfoID_KeyAgree:
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versionitem = &(ri->ri.keyAgreeRecipientInfo.version);
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break;
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}
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PORT_Assert(versionitem);
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if (versionitem == NULL)
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return 0;
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/* always take apart the SECItem */
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if (SEC_ASN1DecodeInteger(versionitem, &version) != SECSuccess)
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return 0;
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else
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return (int)version;
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}
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SECItem *
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NSS_CMSRecipientInfo_GetEncryptedKey(NSSCMSRecipientInfo *ri, int subIndex)
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{
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SECItem *enckey = NULL;
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switch (ri->recipientInfoType) {
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case NSSCMSRecipientInfoID_KeyTrans:
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/* ignore subIndex */
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enckey = &(ri->ri.keyTransRecipientInfo.encKey);
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break;
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case NSSCMSRecipientInfoID_KEK:
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/* ignore subIndex */
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enckey = &(ri->ri.kekRecipientInfo.encKey);
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break;
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case NSSCMSRecipientInfoID_KeyAgree:
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enckey = &(ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys[subIndex]->encKey);
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break;
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}
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return enckey;
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}
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SECOidTag
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NSS_CMSRecipientInfo_GetKeyEncryptionAlgorithmTag(NSSCMSRecipientInfo *ri)
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{
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SECOidTag encalgtag = SEC_OID_UNKNOWN; /* an invalid encryption alg */
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switch (ri->recipientInfoType) {
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case NSSCMSRecipientInfoID_KeyTrans:
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encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.keyTransRecipientInfo.keyEncAlg));
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break;
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case NSSCMSRecipientInfoID_KeyAgree:
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encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.keyAgreeRecipientInfo.keyEncAlg));
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break;
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case NSSCMSRecipientInfoID_KEK:
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encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.kekRecipientInfo.keyEncAlg));
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break;
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}
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return encalgtag;
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}
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SECStatus
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NSS_CMSRecipientInfo_WrapBulkKey(NSSCMSRecipientInfo *ri, PK11SymKey *bulkkey,
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SECOidTag bulkalgtag)
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{
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CERTCertificate *cert;
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SECOidTag certalgtag;
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SECStatus rv = SECSuccess;
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NSSCMSRecipientEncryptedKey *rek;
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NSSCMSOriginatorIdentifierOrKey *oiok;
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CERTSubjectPublicKeyInfo *spki, *freeSpki = NULL;
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PLArenaPool *poolp;
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NSSCMSKeyTransRecipientInfoEx *extra = NULL;
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PRBool usesSubjKeyID;
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poolp = ri->cmsg->poolp;
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cert = ri->cert;
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usesSubjKeyID = nss_cmsrecipientinfo_usessubjectkeyid(ri);
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if (cert) {
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spki = &cert->subjectPublicKeyInfo;
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certalgtag = SECOID_GetAlgorithmTag(&(spki->algorithm));
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} else if (usesSubjKeyID) {
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extra = &ri->ri.keyTransRecipientInfoEx;
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/* sanity check */
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PORT_Assert(extra->pubKey);
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if (!extra->pubKey) {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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return SECFailure;
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}
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spki = freeSpki = SECKEY_CreateSubjectPublicKeyInfo(extra->pubKey);
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certalgtag = SECOID_GetAlgorithmTag(&spki->algorithm);
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} else {
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PORT_SetError(SEC_ERROR_INVALID_ARGS);
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return SECFailure;
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}
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/* XXX set ri->recipientInfoType to the proper value here */
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/* or should we look if it's been set already ? */
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certalgtag = SECOID_GetAlgorithmTag(&spki->algorithm);
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switch (certalgtag) {
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case SEC_OID_PKCS1_RSA_ENCRYPTION:
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/* wrap the symkey */
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if (cert) {
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rv = NSS_CMSUtil_EncryptSymKey_RSA(poolp, cert, bulkkey,
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&ri->ri.keyTransRecipientInfo.encKey);
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if (rv != SECSuccess)
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break;
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} else if (usesSubjKeyID) {
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PORT_Assert(extra != NULL);
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rv = NSS_CMSUtil_EncryptSymKey_RSAPubKey(poolp, extra->pubKey,
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bulkkey, &ri->ri.keyTransRecipientInfo.encKey);
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if (rv != SECSuccess)
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break;
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}
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rv = SECOID_SetAlgorithmID(poolp, &(ri->ri.keyTransRecipientInfo.keyEncAlg), certalgtag, NULL);
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break;
|
|
case SEC_OID_X942_DIFFIE_HELMAN_KEY: /* dh-public-number */
|
|
rek = ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys[0];
|
|
if (rek == NULL) {
|
|
rv = SECFailure;
|
|
break;
|
|
}
|
|
|
|
oiok = &(ri->ri.keyAgreeRecipientInfo.originatorIdentifierOrKey);
|
|
PORT_Assert(oiok->identifierType == NSSCMSOriginatorIDOrKey_OriginatorPublicKey);
|
|
|
|
/* see RFC2630 12.3.1.1 */
|
|
if (SECOID_SetAlgorithmID(poolp, &oiok->id.originatorPublicKey.algorithmIdentifier,
|
|
SEC_OID_X942_DIFFIE_HELMAN_KEY, NULL) != SECSuccess) {
|
|
rv = SECFailure;
|
|
break;
|
|
}
|
|
|
|
/* this will generate a key pair, compute the shared secret, */
|
|
/* derive a key and ukm for the keyEncAlg out of it, encrypt the bulk key with */
|
|
/* the keyEncAlg, set encKey, keyEncAlg, publicKey etc. */
|
|
rv = NSS_CMSUtil_EncryptSymKey_ESDH(poolp, cert, bulkkey,
|
|
&rek->encKey,
|
|
&ri->ri.keyAgreeRecipientInfo.ukm,
|
|
&ri->ri.keyAgreeRecipientInfo.keyEncAlg,
|
|
&oiok->id.originatorPublicKey.publicKey);
|
|
|
|
break;
|
|
default:
|
|
/* other algorithms not supported yet */
|
|
/* NOTE that we do not support any KEK algorithm */
|
|
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
|
|
rv = SECFailure;
|
|
break;
|
|
}
|
|
if (freeSpki)
|
|
SECKEY_DestroySubjectPublicKeyInfo(freeSpki);
|
|
|
|
return rv;
|
|
}
|
|
|
|
PK11SymKey *
|
|
NSS_CMSRecipientInfo_UnwrapBulkKey(NSSCMSRecipientInfo *ri, int subIndex,
|
|
CERTCertificate *cert, SECKEYPrivateKey *privkey, SECOidTag bulkalgtag)
|
|
{
|
|
PK11SymKey *bulkkey = NULL;
|
|
SECOidTag encalgtag;
|
|
SECItem *enckey;
|
|
int error;
|
|
|
|
ri->cert = CERT_DupCertificate(cert);
|
|
/* mark the recipientInfo so we can find it later */
|
|
|
|
switch (ri->recipientInfoType) {
|
|
case NSSCMSRecipientInfoID_KeyTrans:
|
|
encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.keyTransRecipientInfo.keyEncAlg));
|
|
enckey = &(ri->ri.keyTransRecipientInfo.encKey); /* ignore subIndex */
|
|
switch (encalgtag) {
|
|
case SEC_OID_PKCS1_RSA_ENCRYPTION:
|
|
/* RSA encryption algorithm: */
|
|
/* get the symmetric (bulk) key by unwrapping it using our private key */
|
|
bulkkey = NSS_CMSUtil_DecryptSymKey_RSA(privkey, enckey, bulkalgtag);
|
|
break;
|
|
default:
|
|
error = SEC_ERROR_UNSUPPORTED_KEYALG;
|
|
goto loser;
|
|
}
|
|
break;
|
|
case NSSCMSRecipientInfoID_KeyAgree:
|
|
encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.keyAgreeRecipientInfo.keyEncAlg));
|
|
enckey = &(ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys[subIndex]->encKey);
|
|
switch (encalgtag) {
|
|
case SEC_OID_X942_DIFFIE_HELMAN_KEY:
|
|
/* Diffie-Helman key exchange */
|
|
/* XXX not yet implemented */
|
|
/* XXX problem: SEC_OID_X942_DIFFIE_HELMAN_KEY points to a PKCS3 mechanism! */
|
|
/* we support ephemeral-static DH only, so if the recipientinfo */
|
|
/* has originator stuff in it, we punt (or do we? shouldn't be that hard...) */
|
|
/* first, we derive the KEK (a symkey!) using a Derive operation, then we get the */
|
|
/* content encryption key using a Unwrap op */
|
|
/* the derive operation has to generate the key using the algorithm in RFC2631 */
|
|
error = SEC_ERROR_UNSUPPORTED_KEYALG;
|
|
goto loser;
|
|
break;
|
|
default:
|
|
error = SEC_ERROR_UNSUPPORTED_KEYALG;
|
|
goto loser;
|
|
}
|
|
break;
|
|
case NSSCMSRecipientInfoID_KEK:
|
|
encalgtag = SECOID_GetAlgorithmTag(&(ri->ri.kekRecipientInfo.keyEncAlg));
|
|
enckey = &(ri->ri.kekRecipientInfo.encKey);
|
|
/* not supported yet */
|
|
error = SEC_ERROR_UNSUPPORTED_KEYALG;
|
|
goto loser;
|
|
break;
|
|
}
|
|
/* XXXX continue here */
|
|
return bulkkey;
|
|
|
|
loser:
|
|
PORT_SetError(error);
|
|
return NULL;
|
|
}
|
|
|
|
SECStatus NSS_CMSRecipientInfo_GetCertAndKey(NSSCMSRecipientInfo *ri,
|
|
CERTCertificate** retcert,
|
|
SECKEYPrivateKey** retkey)
|
|
{
|
|
CERTCertificate* cert = NULL;
|
|
NSSCMSRecipient** recipients = NULL;
|
|
NSSCMSRecipientInfo* recipientInfos[2];
|
|
SECStatus rv = SECSuccess;
|
|
SECKEYPrivateKey* key = NULL;
|
|
|
|
if (!ri)
|
|
return SECFailure;
|
|
|
|
if (!retcert && !retkey) {
|
|
/* nothing requested, nothing found, success */
|
|
return SECSuccess;
|
|
}
|
|
|
|
if (retcert) {
|
|
*retcert = NULL;
|
|
}
|
|
if (retkey) {
|
|
*retkey = NULL;
|
|
}
|
|
|
|
if (ri->cert) {
|
|
cert = CERT_DupCertificate(ri->cert);
|
|
if (!cert) {
|
|
rv = SECFailure;
|
|
}
|
|
}
|
|
if (SECSuccess == rv && !cert) {
|
|
/* we don't have the cert, we have to look for it */
|
|
/* first build an NSS_CMSRecipient */
|
|
recipientInfos[0] = ri;
|
|
recipientInfos[1] = NULL;
|
|
|
|
recipients = nss_cms_recipient_list_create(recipientInfos);
|
|
if (recipients) {
|
|
/* now look for the cert and key */
|
|
if (0 == PK11_FindCertAndKeyByRecipientListNew(recipients,
|
|
ri->cmsg->pwfn_arg)) {
|
|
cert = CERT_DupCertificate(recipients[0]->cert);
|
|
key = SECKEY_CopyPrivateKey(recipients[0]->privkey);
|
|
} else {
|
|
rv = SECFailure;
|
|
}
|
|
|
|
nss_cms_recipient_list_destroy(recipients);
|
|
}
|
|
else {
|
|
rv = SECFailure;
|
|
}
|
|
} else if (SECSuccess == rv && cert && retkey) {
|
|
/* we have the cert, we just need the key now */
|
|
key = PK11_FindPrivateKeyFromCert(cert->slot, cert, ri->cmsg->pwfn_arg);
|
|
}
|
|
if (retcert) {
|
|
*retcert = cert;
|
|
} else {
|
|
if (cert) {
|
|
CERT_DestroyCertificate(cert);
|
|
}
|
|
}
|
|
if (retkey) {
|
|
*retkey = key;
|
|
} else {
|
|
if (key) {
|
|
SECKEY_DestroyPrivateKey(key);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
SECStatus NSS_CMSRecipientInfo_Encode(PLArenaPool* poolp,
|
|
const NSSCMSRecipientInfo *src,
|
|
SECItem* returned)
|
|
{
|
|
extern const SEC_ASN1Template NSSCMSRecipientInfoTemplate[];
|
|
SECStatus rv = SECFailure;
|
|
if (!src || !returned) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
} else if (SEC_ASN1EncodeItem(poolp, returned, src,
|
|
NSSCMSRecipientInfoTemplate)) {
|
|
rv = SECSuccess;
|
|
}
|
|
return rv;
|
|
}
|