Delete bundled copy of NSS and replace with README.

nss/lib/pkcs7/p7encode.c

Index: nss/lib/pkcs7/p7encode.c
diff --git a/nss/lib/pkcs7/p7encode.c b/nss/lib/pkcs7/p7encode.c
deleted file mode 100644
index 349bc84610c59227d083ea27fab89e4ffea6e935..0000000000000000000000000000000000000000
--- a/nss/lib/pkcs7/p7encode.c
+++ /dev/null
@@ -1,1107 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
- * PKCS7 encoding.
- */
-
-#include "p7local.h"
-
-#include "cert.h"
-#include "cryptohi.h"
-#include "keyhi.h"
-#include "secasn1.h"
-#include "secoid.h"
-#include "secitem.h"
-#include "pk11func.h"
-#include "secerr.h"
-#include "sechash.h"	/* for HASH_GetHashObject() */
-
-struct sec_pkcs7_encoder_output {
-    SEC_PKCS7EncoderOutputCallback outputfn;
-    void *outputarg;
-};
-
-struct SEC_PKCS7EncoderContextStr {
-    SEC_ASN1EncoderContext *ecx;
-    SEC_PKCS7ContentInfo *cinfo;
-    struct sec_pkcs7_encoder_output output;
-    sec_PKCS7CipherObject *encryptobj;
-    const SECHashObject *digestobj;
-    void *digestcx;
-};
-
-
-/*
- * The little output function that the ASN.1 encoder calls to hand
- * us bytes which we in turn hand back to our caller (via the callback
- * they gave us).
- */
-static void
-sec_pkcs7_encoder_out(void *arg, const char *buf, unsigned long len,
-		      int depth, SEC_ASN1EncodingPart data_kind)
-{
-    struct sec_pkcs7_encoder_output *output;
-
-    output = (struct sec_pkcs7_encoder_output*)arg;
-    output->outputfn (output->outputarg, buf, len);
-}
-
-static sec_PKCS7CipherObject *
-sec_pkcs7_encoder_start_encrypt (SEC_PKCS7ContentInfo *cinfo,
-						 PK11SymKey *orig_bulkkey)
-{
-    SECOidTag kind;
-    sec_PKCS7CipherObject *encryptobj;
-    SEC_PKCS7RecipientInfo **recipientinfos, *ri;
-    SEC_PKCS7EncryptedContentInfo *enccinfo;
-    SECKEYPublicKey *publickey = NULL;
-    SECKEYPrivateKey *ourPrivKey = NULL;
-    PK11SymKey  *bulkkey;
-    void *mark;
-    int i;
-    PLArenaPool *arena = NULL;
-
-    kind = SEC_PKCS7ContentType (cinfo);
-    switch (kind) {
-      default:
-      case SEC_OID_PKCS7_DATA:
-      case SEC_OID_PKCS7_DIGESTED_DATA:
-      case SEC_OID_PKCS7_SIGNED_DATA:
-	recipientinfos = NULL;
-	enccinfo = NULL;
-	break;
-      case SEC_OID_PKCS7_ENCRYPTED_DATA:
-	{
-	    SEC_PKCS7EncryptedData *encdp;
-
-	    /* To do EncryptedData we *must* be given a bulk key. */
-	    PORT_Assert (orig_bulkkey != NULL);
-	    if (orig_bulkkey == NULL) {
-		/* XXX error? */
-		return NULL;
-	    }
-
-	    encdp = cinfo->content.encryptedData;
-	    recipientinfos = NULL;
-	    enccinfo = &(encdp->encContentInfo);
-	}
-	break;
-      case SEC_OID_PKCS7_ENVELOPED_DATA:
-	{
-	    SEC_PKCS7EnvelopedData *envdp;
-
-	    envdp = cinfo->content.envelopedData;
-	    recipientinfos = envdp->recipientInfos;
-	    enccinfo = &(envdp->encContentInfo);
-	}
-	break;
-      case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	{
-	    SEC_PKCS7SignedAndEnvelopedData *saedp;
-
-	    saedp = cinfo->content.signedAndEnvelopedData;
-	    recipientinfos = saedp->recipientInfos;
-	    enccinfo = &(saedp->encContentInfo);
-	}
-	break;
-    }
-
-    if (enccinfo == NULL)
-	return NULL;
-
-    bulkkey = orig_bulkkey;
-    if (bulkkey == NULL) {
-	CK_MECHANISM_TYPE type = PK11_AlgtagToMechanism(enccinfo->encalg);
-	PK11SlotInfo *slot;
-
-
-	slot = PK11_GetBestSlot(type,cinfo->pwfn_arg);
-	if (slot == NULL) {
-	    return NULL;
-	}
-	bulkkey = PK11_KeyGen(slot,type,NULL, enccinfo->keysize/8,
-			      cinfo->pwfn_arg);
-	PK11_FreeSlot(slot);
-	if (bulkkey == NULL) {
-	    return NULL;
-	}
-    }
-
-    encryptobj = NULL;
-    mark = PORT_ArenaMark (cinfo->poolp);
-
-    /*
-     * Encrypt the bulk key with the public key of each recipient.
-     */
-    for (i = 0; recipientinfos && (ri = recipientinfos[i]) != NULL; i++) {
-	CERTCertificate *cert;
-	SECOidTag certalgtag, encalgtag;
-	SECStatus rv;
-	int data_len;
-	SECItem *params = NULL;
-
-	cert = ri->cert;
-	PORT_Assert (cert != NULL);
-	if (cert == NULL)
-	    continue;
-
-	/*
-	 * XXX Want an interface that takes a cert and some data and
-	 * fills in an algorithmID and encrypts the data with the public
-	 * key from the cert.  Or, give me two interfaces -- one which
-	 * gets the algorithm tag from a cert (I should not have to go
-	 * down into the subjectPublicKeyInfo myself) and another which
-	 * takes a public key and algorithm tag and data and encrypts
-	 * the data.  Or something like that.  The point is that all
-	 * of the following hardwired RSA stuff should be done elsewhere.
-	 */
-
-	certalgtag=SECOID_GetAlgorithmTag(&(cert->subjectPublicKeyInfo.algorithm));
-
-	switch (certalgtag) {
-	case SEC_OID_PKCS1_RSA_ENCRYPTION:
-	    encalgtag = certalgtag;
-	    publickey = CERT_ExtractPublicKey (cert);
-	    if (publickey == NULL) goto loser;
-		
-	    data_len = SECKEY_PublicKeyStrength(publickey);
-	    ri->encKey.data = 
-	        (unsigned char*)PORT_ArenaAlloc(cinfo->poolp ,data_len);
-	    ri->encKey.len = data_len;
-	    if (ri->encKey.data == NULL) goto loser;
-
-	    rv = PK11_PubWrapSymKey(PK11_AlgtagToMechanism(certalgtag),publickey,
-				bulkkey,&ri->encKey);
-
-	    SECKEY_DestroyPublicKey(publickey);
-	    publickey = NULL;
-	    if (rv != SECSuccess) goto loser;
-	    params = NULL; /* paranoia */
-	    break;
-	default:
-	    PORT_SetError (SEC_ERROR_INVALID_ALGORITHM);
-	    goto loser;
-	}
-
-	rv = SECOID_SetAlgorithmID(cinfo->poolp, &ri->keyEncAlg, encalgtag, 
-			params);
-	if (rv != SECSuccess)
-	    goto loser;
-	if (arena) PORT_FreeArena(arena,PR_FALSE);
-	arena = NULL;
-    }
-
-    encryptobj = sec_PKCS7CreateEncryptObject (cinfo->poolp, bulkkey,
-					       enccinfo->encalg,
-					       &(enccinfo->contentEncAlg));
-    if (encryptobj != NULL) {
-	PORT_ArenaUnmark (cinfo->poolp, mark);
-	mark = NULL;		/* good one; do not want to release */
-    }
-    /* fallthru */
-
-loser:
-    if (arena) {
-	PORT_FreeArena(arena, PR_FALSE);
-    }
-    if (publickey) {
-        SECKEY_DestroyPublicKey(publickey);
-    }
-    if (ourPrivKey) {
-        SECKEY_DestroyPrivateKey(ourPrivKey);
-    }
-    if (mark != NULL) {
-	PORT_ArenaRelease (cinfo->poolp, mark);
-    }
-    if (orig_bulkkey == NULL) {
-	if (bulkkey) PK11_FreeSymKey(bulkkey);
-    }
-
-    return encryptobj;
-}
-
-
-static void
-sec_pkcs7_encoder_notify (void *arg, PRBool before, void *dest, int depth)
-{
-    SEC_PKCS7EncoderContext *p7ecx;
-    SEC_PKCS7ContentInfo *cinfo;
-    SECOidTag kind;
-    PRBool before_content;
-
-    /*
-     * We want to notice just before the content field.  After fields are
-     * not interesting to us.
-     */
-    if (!before)
-	return;
-
-    p7ecx = (SEC_PKCS7EncoderContext*)arg;
-    cinfo = p7ecx->cinfo;
-
-    before_content = PR_FALSE;
-
-    /*
-     * Watch for the content field, at which point we want to instruct
-     * the ASN.1 encoder to start taking bytes from the buffer.
-     *
-     * XXX The following assumes the inner content type is data;
-     * if/when we want to handle fully nested types, this will have
-     * to recurse until reaching the innermost data content.
-     */
-    kind = SEC_PKCS7ContentType (cinfo);
-    switch (kind) {
-      default:
-      case SEC_OID_PKCS7_DATA:
-	if (dest == &(cinfo->content.data))
-	    before_content = PR_TRUE;
-	break;
-
-      case SEC_OID_PKCS7_DIGESTED_DATA:
-	{
-	    SEC_PKCS7DigestedData *digd;
-
-	    digd = cinfo->content.digestedData;
-	    if (digd == NULL)
-		break;
-
-	    if (dest == &(digd->contentInfo.content))
-		before_content = PR_TRUE;
-	}
-	break;
-
-      case SEC_OID_PKCS7_ENCRYPTED_DATA:
-	{
-	    SEC_PKCS7EncryptedData *encd;
-
-	    encd = cinfo->content.encryptedData;
-	    if (encd == NULL)
-		break;
-
-	    if (dest == &(encd->encContentInfo.encContent))
-		before_content = PR_TRUE;
-	}
-	break;
-
-      case SEC_OID_PKCS7_ENVELOPED_DATA:
-	{
-	    SEC_PKCS7EnvelopedData *envd;
-
-	    envd = cinfo->content.envelopedData;
-	    if (envd == NULL)
-		break;
-
-	    if (dest == &(envd->encContentInfo.encContent))
-		before_content = PR_TRUE;
-	}
-	break;
-
-      case SEC_OID_PKCS7_SIGNED_DATA:
-	{
-	    SEC_PKCS7SignedData *sigd;
-
-	    sigd = cinfo->content.signedData;
-	    if (sigd == NULL)
-		break;
-
-	    if (dest == &(sigd->contentInfo.content))
-		before_content = PR_TRUE;
-	}
-	break;
-
-      case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	{
-	    SEC_PKCS7SignedAndEnvelopedData *saed;
-
-	    saed = cinfo->content.signedAndEnvelopedData;
-	    if (saed == NULL)
-		break;
-
-	    if (dest == &(saed->encContentInfo.encContent))
-		before_content = PR_TRUE;
-	}
-	break;
-    }
-
-    if (before_content) {
-	/*
-	 * This will cause the next SEC_ASN1EncoderUpdate to take the
-	 * contents bytes from the passed-in buffer.
-	 */
-	SEC_ASN1EncoderSetTakeFromBuf (p7ecx->ecx);
-	/*
-	 * And that is all we needed this notify function for.
-	 */
-	SEC_ASN1EncoderClearNotifyProc (p7ecx->ecx);
-    }
-}
-
-
-static SEC_PKCS7EncoderContext *
-sec_pkcs7_encoder_start_contexts (SEC_PKCS7ContentInfo *cinfo,
-				  PK11SymKey *bulkkey)
-{
-    SEC_PKCS7EncoderContext *p7ecx;
-    SECOidTag kind;
-    PRBool encrypt;
-    SECItem **digests;
-    SECAlgorithmID *digestalg, **digestalgs;
-
-    p7ecx = 
-      (SEC_PKCS7EncoderContext*)PORT_ZAlloc (sizeof(SEC_PKCS7EncoderContext));
-    if (p7ecx == NULL)
-	return NULL;
-
-    digests = NULL;
-    digestalg = NULL;
-    digestalgs = NULL;
-    encrypt = PR_FALSE;
-
-    kind = SEC_PKCS7ContentType (cinfo);
-    switch (kind) {
-      default:
-      case SEC_OID_PKCS7_DATA:
-	break;
-      case SEC_OID_PKCS7_DIGESTED_DATA:
-	digestalg = &(cinfo->content.digestedData->digestAlg);
-	break;
-      case SEC_OID_PKCS7_SIGNED_DATA:
-	digests = cinfo->content.signedData->digests;
-	digestalgs = cinfo->content.signedData->digestAlgorithms;
-	break;
-      case SEC_OID_PKCS7_ENCRYPTED_DATA:
-      case SEC_OID_PKCS7_ENVELOPED_DATA:
-	encrypt = PR_TRUE;
-	break;
-      case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	digests = cinfo->content.signedAndEnvelopedData->digests;
-	digestalgs = cinfo->content.signedAndEnvelopedData->digestAlgorithms;
-	encrypt = PR_TRUE;
-	break;
-    }
-
-    if (encrypt) {
-	p7ecx->encryptobj = sec_pkcs7_encoder_start_encrypt (cinfo, bulkkey);
-	if (p7ecx->encryptobj == NULL) {
-	    PORT_Free (p7ecx);
-	    return NULL;
-	}
-    }
-
-    if (digestalgs != NULL) {
-	if (digests != NULL) {
-	    /* digests already created (probably for detached data) */
-	    digestalg = NULL;
-	} else {
-	    /*
-	     * XXX Some day we should handle multiple digests; for now,
-	     * assume only one will be done.
-	     */
-	    PORT_Assert (digestalgs[0] != NULL && digestalgs[1] == NULL);
-	    digestalg = digestalgs[0];
-	}
-    }
-
-    if (digestalg != NULL) {
-	SECOidTag  oidTag = SECOID_FindOIDTag(&(digestalg->algorithm));
-
-	p7ecx->digestobj = HASH_GetHashObjectByOidTag(oidTag);
-	if (p7ecx->digestobj != NULL) {
-	    p7ecx->digestcx = (* p7ecx->digestobj->create) ();
-	    if (p7ecx->digestcx == NULL)
-		p7ecx->digestobj = NULL;
-	    else
-		(* p7ecx->digestobj->begin) (p7ecx->digestcx);
-	}
-	if (p7ecx->digestobj == NULL) {
-	    if (p7ecx->encryptobj != NULL)
-		sec_PKCS7DestroyEncryptObject (p7ecx->encryptobj);
-	    PORT_Free (p7ecx);
-	    return NULL;
-	}
-    }
-
-    p7ecx->cinfo = cinfo;
-    return p7ecx;
-}
-
-
-SEC_PKCS7EncoderContext *
-SEC_PKCS7EncoderStart (SEC_PKCS7ContentInfo *cinfo,
-		       SEC_PKCS7EncoderOutputCallback outputfn,
-		       void *outputarg,
-		       PK11SymKey *bulkkey)
-{
-    SEC_PKCS7EncoderContext *p7ecx;
-    SECStatus rv;
-
-    p7ecx = sec_pkcs7_encoder_start_contexts (cinfo, bulkkey);
-    if (p7ecx == NULL)
-	return NULL;
-
-    p7ecx->output.outputfn = outputfn;
-    p7ecx->output.outputarg = outputarg;
-
-    /*
-     * Initialize the BER encoder.
-     */
-    p7ecx->ecx = SEC_ASN1EncoderStart (cinfo, sec_PKCS7ContentInfoTemplate,
-				       sec_pkcs7_encoder_out, &(p7ecx->output));
-    if (p7ecx->ecx == NULL) {
-	PORT_Free (p7ecx);
-	return NULL;
-    }
-
-    /*
-     * Indicate that we are streaming.  We will be streaming until we
-     * get past the contents bytes.
-     */
-    SEC_ASN1EncoderSetStreaming (p7ecx->ecx);
-
-    /*
-     * The notify function will watch for the contents field.
-     */
-    SEC_ASN1EncoderSetNotifyProc (p7ecx->ecx, sec_pkcs7_encoder_notify, p7ecx);
-
-    /*
-     * This will encode everything up to the content bytes.  (The notify
-     * function will then cause the encoding to stop there.)  Then our
-     * caller can start passing contents bytes to our Update, which we
-     * will pass along.
-     */
-    rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, NULL, 0);
-    if (rv != SECSuccess) {
-	PORT_Free (p7ecx);
-	return NULL;
-    }
-
-    return p7ecx;
-}
-
-
-/*
- * XXX If/when we support nested contents, this needs to be revised.
- */
-static SECStatus
-sec_pkcs7_encoder_work_data (SEC_PKCS7EncoderContext *p7ecx, SECItem *dest,
-			     const unsigned char *data, unsigned long len,
-			     PRBool final)
-{
-    unsigned char *buf = NULL;
-    SECStatus rv;
-
-
-    rv = SECSuccess;		/* may as well be optimistic */
-
-    /*
-     * We should really have data to process, or we should be trying
-     * to finish/flush the last block.  (This is an overly paranoid
-     * check since all callers are in this file and simple inspection
-     * proves they do it right.  But it could find a bug in future
-     * modifications/development, that is why it is here.)
-     */
-    PORT_Assert ((data != NULL && len) || final);
-
-    /*
-     * Update the running digest.
-     * XXX This needs modification if/when we handle multiple digests.
-     */
-    if (len && p7ecx->digestobj != NULL) {
-	(* p7ecx->digestobj->update) (p7ecx->digestcx, data, len);
-    }
-
-    /*
-     * Encrypt this chunk.
-     */
-    if (p7ecx->encryptobj != NULL) {
-	/* XXX the following lengths should all be longs? */
-	unsigned int inlen;	/* length of data being encrypted */
-	unsigned int outlen;	/* length of encrypted data */
-	unsigned int buflen;	/* length available for encrypted data */
-
-	inlen = len;
-	buflen = sec_PKCS7EncryptLength (p7ecx->encryptobj, inlen, final);
-	if (buflen == 0) {
-	    /*
-	     * No output is expected, but the input data may be buffered
-	     * so we still have to call Encrypt.
-	     */
-	    rv = sec_PKCS7Encrypt (p7ecx->encryptobj, NULL, NULL, 0,
-				   data, inlen, final);
-	    if (final) {
-		len = 0;
-		goto done;
-	    }
-	    return rv;
-	}
-
-	if (dest != NULL)
-	    buf = (unsigned char*)PORT_ArenaAlloc(p7ecx->cinfo->poolp, buflen);
-	else
-	    buf = (unsigned char*)PORT_Alloc (buflen);
-
-	if (buf == NULL) {
-	    rv = SECFailure;
-	} else {
-	    rv = sec_PKCS7Encrypt (p7ecx->encryptobj, buf, &outlen, buflen,
-				   data, inlen, final);
-	    data = buf;
-	    len = outlen;
-	}
-	if (rv != SECSuccess) {
-	    if (final)
-		goto done;
-	    return rv;
-	}
-    }
-
-    if (p7ecx->ecx != NULL) {
-	/*
-	 * Encode the contents bytes.
-	 */
-	if(len) {
-	    rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, (const char *)data, len);
-	}
-    }
-
-done:
-    if (p7ecx->encryptobj != NULL) {
-	if (final)
-	    sec_PKCS7DestroyEncryptObject (p7ecx->encryptobj);
-	if (dest != NULL) {
-	    dest->data = buf;
-	    dest->len = len;
-	} else if (buf != NULL) {
-	    PORT_Free (buf);
-	}
-    }
-
-    if (final && p7ecx->digestobj != NULL) {
-	SECItem *digest, **digests, ***digestsp;
-	unsigned char *digdata;
-	SECOidTag kind;
-
-	kind = SEC_PKCS7ContentType (p7ecx->cinfo);
-	switch (kind) {
-	  default:
-	    PORT_Assert (0);
-	    return SECFailure;
-	  case SEC_OID_PKCS7_DIGESTED_DATA:
-	    digest = &(p7ecx->cinfo->content.digestedData->digest);
-	    digestsp = NULL;
-	    break;
-	  case SEC_OID_PKCS7_SIGNED_DATA:
-	    digest = NULL;
-	    digestsp = &(p7ecx->cinfo->content.signedData->digests);
-	    break;
-	  case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	    digest = NULL;
-	    digestsp = &(p7ecx->cinfo->content.signedAndEnvelopedData->digests);
-	    break;
-	}
-
-	digdata = (unsigned char*)PORT_ArenaAlloc (p7ecx->cinfo->poolp,
-				   p7ecx->digestobj->length);
-	if (digdata == NULL)
-	    return SECFailure;
-
-	if (digestsp != NULL) {
-	    PORT_Assert (digest == NULL);
-
-	    digest = (SECItem*)PORT_ArenaAlloc (p7ecx->cinfo->poolp, 
-						sizeof(SECItem));
-	    digests = (SECItem**)PORT_ArenaAlloc (p7ecx->cinfo->poolp,
-				       2 * sizeof(SECItem *));
-	    if (digests == NULL || digest == NULL)
-		return SECFailure;
-
-	    digests[0] = digest;
-	    digests[1] = NULL;
-
-	    *digestsp = digests;
-	}
-
-	PORT_Assert (digest != NULL);
-
-	digest->data = digdata;
-	digest->len = p7ecx->digestobj->length;
-
-	(* p7ecx->digestobj->end) (p7ecx->digestcx, digest->data,
-				   &(digest->len), digest->len);
-	(* p7ecx->digestobj->destroy) (p7ecx->digestcx, PR_TRUE);
-    }
-
-    return rv;
-}
-
-
-SECStatus
-SEC_PKCS7EncoderUpdate (SEC_PKCS7EncoderContext *p7ecx,
-			const char *data, unsigned long len)
-{
-    /* XXX Error handling needs help.  Return what?  Do "Finish" on failure? */
-    return sec_pkcs7_encoder_work_data (p7ecx, NULL,
-					(const unsigned char *)data, len,
-					PR_FALSE);
-}
-
-static SECStatus
-sec_pkcs7_encoder_sig_and_certs (SEC_PKCS7ContentInfo *cinfo,
-				 SECKEYGetPasswordKey pwfn, void *pwfnarg)
-{
-    SECOidTag kind;
-    CERTCertificate **certs;
-    CERTCertificateList **certlists;
-    SECAlgorithmID **digestalgs;
-    SECItem **digests;
-    SEC_PKCS7SignerInfo *signerinfo, **signerinfos;
-    SECItem **rawcerts, ***rawcertsp;
-    PLArenaPool *poolp;
-    int certcount;
-    int ci, cli, rci, si;
-
-    kind = SEC_PKCS7ContentType (cinfo);
-    switch (kind) {
-      default:
-      case SEC_OID_PKCS7_DATA:
-      case SEC_OID_PKCS7_DIGESTED_DATA:
-      case SEC_OID_PKCS7_ENCRYPTED_DATA:
-      case SEC_OID_PKCS7_ENVELOPED_DATA:
-	certs = NULL;
-	certlists = NULL;
-	digestalgs = NULL;
-	digests = NULL;
-	signerinfos = NULL;
-	rawcertsp = NULL;
-	break;
-      case SEC_OID_PKCS7_SIGNED_DATA:
-	{
-	    SEC_PKCS7SignedData *sdp;
-
-	    sdp = cinfo->content.signedData;
-	    certs = sdp->certs;
-	    certlists = sdp->certLists;
-	    digestalgs = sdp->digestAlgorithms;
-	    digests = sdp->digests;
-	    signerinfos = sdp->signerInfos;
-	    rawcertsp = &(sdp->rawCerts);
-	}
-	break;
-      case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	{
-	    SEC_PKCS7SignedAndEnvelopedData *saedp;
-
-	    saedp = cinfo->content.signedAndEnvelopedData;
-	    certs = saedp->certs;
-	    certlists = saedp->certLists;
-	    digestalgs = saedp->digestAlgorithms;
-	    digests = saedp->digests;
-	    signerinfos = saedp->signerInfos;
-	    rawcertsp = &(saedp->rawCerts);
-	}
-	break;
-    }
-
-    if (certs == NULL && certlists == NULL && signerinfos == NULL)
-	return SECSuccess;		/* nothing for us to do! */
-
-    poolp = cinfo->poolp;
-    certcount = 0;
-
-    if (signerinfos != NULL) {
-	SECOidTag digestalgtag;
-	int di;
-	SECStatus rv;
-	CERTCertificate *cert;
-	SECKEYPrivateKey *privkey;
-	SECItem signature;
-	SECOidTag signalgtag;
-
-	PORT_Assert (digestalgs != NULL && digests != NULL);
-
-	/*
-	 * If one fails, we bail right then.  If we want to continue and
-	 * try to do subsequent signatures, this loop, and the departures
-	 * from it, will need to be reworked.
-	 */
-	for (si = 0; signerinfos[si] != NULL; si++) {
-
-	    signerinfo = signerinfos[si];
-
-	    /* find right digest */
-	    digestalgtag = SECOID_GetAlgorithmTag (&(signerinfo->digestAlg));
-	    for (di = 0; digestalgs[di] != NULL; di++) {
-		/* XXX Should I be comparing more than the tag? */
-		if (digestalgtag == SECOID_GetAlgorithmTag (digestalgs[di]))
-		    break;
-	    }
-	    if (digestalgs[di] == NULL) {
-		/* XXX oops; do what? set an error? */
-		return SECFailure;
-	    }
-	    PORT_Assert (digests[di] != NULL);
-
-	    cert = signerinfo->cert;
-	    privkey = PK11_FindKeyByAnyCert (cert, pwfnarg);
-	    if (privkey == NULL)
-		return SECFailure;
-
-	    /*
-	     * XXX I think there should be a cert-level interface for this,
-	     * so that I do not have to know about subjectPublicKeyInfo...
-	     */
-	    signalgtag = SECOID_GetAlgorithmTag (&(cert->subjectPublicKeyInfo.algorithm));
-
-	    if (signerinfo->authAttr != NULL) {
-		SEC_PKCS7Attribute *attr;
-		SECItem encoded_attrs;
-		SECItem *dummy;
-		SECOidTag algid;
-
-		/*
-		 * First, find and fill in the message digest attribute.
-		 */
-		attr = sec_PKCS7FindAttribute (signerinfo->authAttr,
-					       SEC_OID_PKCS9_MESSAGE_DIGEST,
-					       PR_TRUE);
-		PORT_Assert (attr != NULL);
-		if (attr == NULL) {
-		    SECKEY_DestroyPrivateKey (privkey);
-		    return SECFailure;
-		}
-
-		/*
-		 * XXX The second half of the following assertion prevents
-		 * the encoder from being called twice on the same content.
-		 * Either just remove the second half the assertion, or
-		 * change the code to check if the value already there is
-		 * the same as digests[di], whichever seems more right.
-		 */
-		PORT_Assert (attr->values != NULL && attr->values[0] == NULL);
-		attr->values[0] = digests[di];
-
-		/*
-		 * Before encoding, reorder the attributes so that when they
-		 * are encoded, they will be conforming DER, which is required
-		 * to have a specific order and that is what must be used for
-		 * the hash/signature.  We do this here, rather than building
-		 * it into EncodeAttributes, because we do not want to do
-		 * such reordering on incoming messages (which also uses
-		 * EncodeAttributes) or our old signatures (and other "broken"
-		 * implementations) will not verify.  So, we want to guarantee
-		 * that we send out good DER encodings of attributes, but not
-		 * to expect to receive them.
-		 */
-		rv = sec_PKCS7ReorderAttributes (signerinfo->authAttr);
-		if (rv != SECSuccess) {
-		    SECKEY_DestroyPrivateKey (privkey);
-		    return SECFailure;
-		}
-
-		encoded_attrs.data = NULL;
-		encoded_attrs.len = 0;
-		dummy = sec_PKCS7EncodeAttributes (NULL, &encoded_attrs,
-						   &(signerinfo->authAttr));
-		if (dummy == NULL) {
-		    SECKEY_DestroyPrivateKey (privkey);
-		    return SECFailure;
-		}
-
-	        algid = SEC_GetSignatureAlgorithmOidTag(privkey->keyType,
- 							digestalgtag);
-		if (algid == SEC_OID_UNKNOWN) {
-		    PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
-		    SECKEY_DestroyPrivateKey (privkey);
-		    return SECFailure;
-		}
-		rv = SEC_SignData (&signature,
-				   encoded_attrs.data, encoded_attrs.len,
-				   privkey,
-				   algid);
-		SECITEM_FreeItem (&encoded_attrs, PR_FALSE);
-	    } else {
-		rv = SGN_Digest (privkey, digestalgtag, &signature,
-				 digests[di]);
-	    }
-
-	    SECKEY_DestroyPrivateKey (privkey);
-
-	    if (rv != SECSuccess)
-		return rv;
-
-	    rv = SECITEM_CopyItem (poolp, &(signerinfo->encDigest), &signature);
-	    if (rv != SECSuccess)
-		return rv;
-
-	    SECITEM_FreeItem (&signature, PR_FALSE);
-
-	    rv = SECOID_SetAlgorithmID (poolp, &(signerinfo->digestEncAlg),
-					signalgtag, NULL);
-	    if (rv != SECSuccess)
-		return SECFailure;
-
-	    /*
-	     * Count the cert chain for this signer.
-	     */
-	    if (signerinfo->certList != NULL)
-		certcount += signerinfo->certList->len;
-	}
-    }
-
-    if (certs != NULL) {
-	for (ci = 0; certs[ci] != NULL; ci++)
-	    certcount++;
-    }
-
-    if (certlists != NULL) {
-	for (cli = 0; certlists[cli] != NULL; cli++)
-	    certcount += certlists[cli]->len;
-    }
-
-    if (certcount == 0)
-	return SECSuccess;		/* signing done; no certs */
-
-    /*
-     * Combine all of the certs and cert chains into rawcerts.
-     * Note: certcount is an upper bound; we may not need that many slots
-     * but we will allocate anyway to avoid having to do another pass.
-     * (The temporary space saving is not worth it.)
-     */
-    rawcerts = (SECItem**)PORT_ArenaAlloc (poolp, 
-					(certcount + 1) * sizeof(SECItem *));
-    if (rawcerts == NULL)
-	return SECFailure;
-
-    /*
-     * XXX Want to check for duplicates and not add *any* cert that is
-     * already in the set.  This will be more important when we start
-     * dealing with larger sets of certs, dual-key certs (signing and
-     * encryption), etc.  For the time being we can slide by...
-     */
-    rci = 0;
-    if (signerinfos != NULL) {
-	for (si = 0; signerinfos[si] != NULL; si++) {
-	    signerinfo = signerinfos[si];
-	    for (ci = 0; ci < signerinfo->certList->len; ci++)
-		rawcerts[rci++] = &(signerinfo->certList->certs[ci]);
-	}
-
-    }
-
-    if (certs != NULL) {
-	for (ci = 0; certs[ci] != NULL; ci++)
-	    rawcerts[rci++] = &(certs[ci]->derCert);
-    }
-
-    if (certlists != NULL) {
-	for (cli = 0; certlists[cli] != NULL; cli++) {
-	    for (ci = 0; ci < certlists[cli]->len; ci++)
-		rawcerts[rci++] = &(certlists[cli]->certs[ci]);
-	}
-    }
-
-    rawcerts[rci] = NULL;
-    *rawcertsp = rawcerts;
-
-    return SECSuccess;
-}
-
-
-SECStatus
-SEC_PKCS7EncoderFinish (SEC_PKCS7EncoderContext *p7ecx,
-			SECKEYGetPasswordKey pwfn, void *pwfnarg)
-{
-    SECStatus rv;
-
-    /*
-     * Flush out any remaining data.
-     */
-    rv = sec_pkcs7_encoder_work_data (p7ecx, NULL, NULL, 0, PR_TRUE);
-
-    /*
-     * Turn off streaming stuff.
-     */
-    SEC_ASN1EncoderClearTakeFromBuf (p7ecx->ecx);
-    SEC_ASN1EncoderClearStreaming (p7ecx->ecx);
-
-    if (rv != SECSuccess)
-	goto loser;
-
-    rv = sec_pkcs7_encoder_sig_and_certs (p7ecx->cinfo, pwfn, pwfnarg);
-    if (rv != SECSuccess)
-	goto loser;
-
-    rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, NULL, 0);
-
-loser:
-    SEC_ASN1EncoderFinish (p7ecx->ecx);
-    PORT_Free (p7ecx);
-    return rv;
-}
-
-/*
- * Abort the ASN.1 stream. Used by pkcs 12
- */
-void
-SEC_PKCS7EncoderAbort(SEC_PKCS7EncoderContext *p7ecx, int error)
-{
-    PORT_Assert(p7ecx);
-    SEC_ASN1EncoderAbort(p7ecx->ecx, error);
-}
-
-/*
- * After this routine is called, the entire PKCS7 contentInfo is ready
- * to be encoded.  This is used internally, but can also be called from
- * elsewhere for those who want to be able to just have pointers to
- * the ASN1 template for pkcs7 contentInfo built into their own encodings.
- */
-SECStatus
-SEC_PKCS7PrepareForEncode (SEC_PKCS7ContentInfo *cinfo,
-			   PK11SymKey *bulkkey,
-			   SECKEYGetPasswordKey pwfn,
-			   void *pwfnarg)
-{
-    SEC_PKCS7EncoderContext *p7ecx;
-    SECItem *content, *enc_content;
-    SECStatus rv;
-
-    p7ecx = sec_pkcs7_encoder_start_contexts (cinfo, bulkkey);
-    if (p7ecx == NULL)
-	return SECFailure;
-
-    content = SEC_PKCS7GetContent (cinfo);
-
-    if (p7ecx->encryptobj != NULL) {
-	SECOidTag kind;
-	SEC_PKCS7EncryptedContentInfo *enccinfo;
-
-	kind = SEC_PKCS7ContentType (p7ecx->cinfo);
-	switch (kind) {
-	  default:
-	    PORT_Assert (0);
-	    rv = SECFailure;
-	    goto loser;
-	  case SEC_OID_PKCS7_ENCRYPTED_DATA:
-	    enccinfo = &(p7ecx->cinfo->content.encryptedData->encContentInfo);
-	    break;
-	  case SEC_OID_PKCS7_ENVELOPED_DATA:
-	    enccinfo = &(p7ecx->cinfo->content.envelopedData->encContentInfo);
-	    break;
-	  case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA:
-	    enccinfo = &(p7ecx->cinfo->content.signedAndEnvelopedData->encContentInfo);
-	    break;
-	}
-	enc_content = &(enccinfo->encContent);
-    } else {
-	enc_content = NULL;
-    }
-
-    if (content != NULL && content->data != NULL && content->len) {
-	rv = sec_pkcs7_encoder_work_data (p7ecx, enc_content,
-					  content->data, content->len, PR_TRUE);
-	if (rv != SECSuccess)
-	    goto loser;
-    }
-
-    rv = sec_pkcs7_encoder_sig_and_certs (cinfo, pwfn, pwfnarg);
-
-loser:
-    PORT_Free (p7ecx);
-    return rv;
-}
-
-
-/*
- * Encode a PKCS7 object, in one shot.  All necessary components
- * of the object must already be specified.  Either the data has
- * already been included (via SetContent), or the data is detached,
- * or there is no data at all (certs-only).
- *
- * "cinfo" specifies the object to be encoded.
- *
- * "outputfn" is where the encoded bytes will be passed.
- *
- * "outputarg" is an opaque argument to the above callback.
- *
- * "bulkkey" specifies the bulk encryption key to use.   This argument
- * can be NULL if no encryption is being done, or if the bulk key should
- * be generated internally (usually the case for EnvelopedData but never
- * for EncryptedData, which *must* provide a bulk encryption key).
- *
- * "pwfn" is a callback for getting the password which protects the
- * private key of the signer.  This argument can be NULL if it is known
- * that no signing is going to be done.
- *
- * "pwfnarg" is an opaque argument to the above callback.
- */
-SECStatus
-SEC_PKCS7Encode (SEC_PKCS7ContentInfo *cinfo,
-		 SEC_PKCS7EncoderOutputCallback outputfn,
-		 void *outputarg,
-		 PK11SymKey *bulkkey,
-		 SECKEYGetPasswordKey pwfn,
-		 void *pwfnarg)
-{
-    SECStatus rv;
-
-    rv = SEC_PKCS7PrepareForEncode (cinfo, bulkkey, pwfn, pwfnarg);
-    if (rv == SECSuccess) {
-	struct sec_pkcs7_encoder_output outputcx;
-
-	outputcx.outputfn = outputfn;
-	outputcx.outputarg = outputarg;
-
-	rv = SEC_ASN1Encode (cinfo, sec_PKCS7ContentInfoTemplate,
-			     sec_pkcs7_encoder_out, &outputcx);
-    }
-
-    return rv;
-}
-
-
-/*
- * Encode a PKCS7 object, in one shot.  All necessary components
- * of the object must already be specified.  Either the data has
- * already been included (via SetContent), or the data is detached,
- * or there is no data at all (certs-only).  The output, rather than
- * being passed to an output function as is done above, is all put
- * into a SECItem.
- *
- * "pool" specifies a pool from which to allocate the result.
- * It can be NULL, in which case memory is allocated generically.
- *
- * "dest" specifies a SECItem in which to put the result data.
- * It can be NULL, in which case the entire item is allocated, too.
- *
- * "cinfo" specifies the object to be encoded.
- *
- * "bulkkey" specifies the bulk encryption key to use.   This argument
- * can be NULL if no encryption is being done, or if the bulk key should
- * be generated internally (usually the case for EnvelopedData but never
- * for EncryptedData, which *must* provide a bulk encryption key).
- *
- * "pwfn" is a callback for getting the password which protects the
- * private key of the signer.  This argument can be NULL if it is known
- * that no signing is going to be done.
- *
- * "pwfnarg" is an opaque argument to the above callback.
- */
-SECItem *
-SEC_PKCS7EncodeItem (PLArenaPool *pool,
-		     SECItem *dest,
-		     SEC_PKCS7ContentInfo *cinfo,
-		     PK11SymKey *bulkkey,
-		     SECKEYGetPasswordKey pwfn,
-		     void *pwfnarg)
-{
-    SECStatus rv;
-
-    rv = SEC_PKCS7PrepareForEncode (cinfo, bulkkey, pwfn, pwfnarg);
-    if (rv != SECSuccess)
-	return NULL;
-
-    return SEC_ASN1EncodeItem (pool, dest, cinfo, sec_PKCS7ContentInfoTemplate);
-}
-