Add the nss/lib/pkcs12 directory from NSS (Mozilla's Network Security Services) to third_party. Th…

nss_pkcs12/p12exp.c

+/* 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/. */
+
+#include "plarena.h"
+#include "secitem.h"
+#include "secoid.h"
+#include "seccomon.h"
+#include "secport.h"
+#include "cert.h"
+#include "pkcs12.h"
+#include "p12local.h"
+#include "secpkcs7.h"
+#include "secasn1.h"
+#include "secerr.h"
+#include "p12plcy.h"
+
+/* release the memory taken up by the list of nicknames */
+static void
+sec_pkcs12_destroy_nickname_list(SECItem **nicknames)
+{
+    int i = 0;
+
+    if(nicknames == NULL) {
+        return;
+    }
+
+    while(nicknames[i] != NULL) {
+        SECITEM_FreeItem(nicknames[i], PR_FALSE);
+        i++;
+    }
+
+    PORT_Free(nicknames);
+}
+   
+/* release the memory taken up by the list of certificates */ 
+static void
+sec_pkcs12_destroy_certificate_list(CERTCertificate **ref_certs)
+{
+    int i = 0;
+
+    if(ref_certs == NULL) {
+        return;
+    }
+
+    while(ref_certs[i] != NULL) {
+        CERT_DestroyCertificate(ref_certs[i]);
+        i++;
+    }
+}
+
+static void
+sec_pkcs12_destroy_cinfos_for_cert_bags(SEC_PKCS12CertAndCRLBag *certBag)
+{
+    int j = 0;
+    j = 0;
+    while(certBag->certAndCRLs[j] != NULL) {
+        SECOidTag certType = SECOID_FindOIDTag(&certBag->certAndCRLs[j]->BagID);
+        if(certType == SEC_OID_PKCS12_X509_CERT_CRL_BAG) {
+            SEC_PKCS12X509CertCRL *x509;
+            x509 = certBag->certAndCRLs[j]->value.x509;
+            SEC_PKCS7DestroyContentInfo(&x509->certOrCRL);
+        }
+        j++;
+    }
+}
+
+/* destroy all content infos since they were not allocated in common
+ * pool
+ */
+static void
+sec_pkcs12_destroy_cert_content_infos(SEC_PKCS12SafeContents *safe,
+                                      SEC_PKCS12Baggage *baggage)
+{
+    int i, j;
+
+    if((safe != NULL) && (safe->contents != NULL)) {
+        i = 0;
+        while(safe->contents[i] != NULL) {
+            SECOidTag bagType = SECOID_FindOIDTag(&safe->contents[i]->safeBagType);
+            if(bagType == SEC_OID_PKCS12_CERT_AND_CRL_BAG_ID) {
+                SEC_PKCS12CertAndCRLBag *certBag;
+                certBag = safe->contents[i]->safeContent.certAndCRLBag;
+                sec_pkcs12_destroy_cinfos_for_cert_bags(certBag);
+            }
+            i++;
+        }
+    }
+
+    if((baggage != NULL) && (baggage->bags != NULL)) {
+        i = 0;
+        while(baggage->bags[i] != NULL) { 
+            if(baggage->bags[i]->unencSecrets != NULL) {
+                j = 0;
+                while(baggage->bags[i]->unencSecrets[j] != NULL) {
+                    SECOidTag bagType;
+                    bagType = SECOID_FindOIDTag(&baggage->bags[i]->unencSecrets[j]->safeBagType);
+                    if(bagType == SEC_OID_PKCS12_CERT_AND_CRL_BAG_ID) {
+                        SEC_PKCS12CertAndCRLBag *certBag;
+                        certBag = baggage->bags[i]->unencSecrets[j]->safeContent.certAndCRLBag;
+                        sec_pkcs12_destroy_cinfos_for_cert_bags(certBag);
+                    }
+                    j++;
+                }
+            }
+            i++;
+        }
+    }
+}
+
+/* convert the nickname list from a NULL termincated Char list
+ * to a NULL terminated SECItem list
+ */
+static SECItem **
+sec_pkcs12_convert_nickname_list(char **nicknames)
+{
+    SECItem **nicks;
+    int i, j;
+    PRBool error = PR_FALSE;
+
+    if(nicknames == NULL) {
+        return NULL;
+    }
+
+    i = j = 0;
+    while(nicknames[i] != NULL) {
+        i++;
+    }
+
+    /* allocate the space and copy the data */  
+    nicks = (SECItem **)PORT_ZAlloc(sizeof(SECItem *) * (i + 1));
+    if(nicks != NULL) {
+        for(j = 0; ((j < i) && (error == PR_FALSE)); j++) {
+            nicks[j] = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
+            if(nicks[j] != NULL) {
+                nicks[j]->data = 
+                    (unsigned char *)PORT_ZAlloc(PORT_Strlen(nicknames[j])+1);
+                if(nicks[j]->data != NULL) {
+                    nicks[j]->len = PORT_Strlen(nicknames[j]);
+                    PORT_Memcpy(nicks[j]->data, nicknames[j], nicks[j]->len);
+                    nicks[j]->data[nicks[j]->len] = 0;
+                } else {
+                    error = PR_TRUE;
+                }
+            } else {
+               error = PR_TRUE;
+            }
+        }
+    }
+
+    if(error == PR_TRUE) {
+        for(i = 0; i < j; i++) { 
+            SECITEM_FreeItem(nicks[i], PR_TRUE);
+        }
+        PORT_Free(nicks);
+        nicks = NULL;
+    }
+
+    return nicks;
+}
+
+/* package the certificate add_cert into PKCS12 structures,
+ * retrieve the certificate chain for the cert and return
+ * the packaged contents.
+ * poolp -- common memory pool;
+ * add_cert -- certificate to package up
+ * nickname for the certificate 
+ * a return of NULL indicates an error
+ */
+static SEC_PKCS12CertAndCRL *
+sec_pkcs12_get_cert(PLArenaPool *poolp,
+                       CERTCertificate *add_cert, 
+                       SECItem *nickname)
+{
+    SEC_PKCS12CertAndCRL *cert;
+    SEC_PKCS7ContentInfo *cinfo;
+    SGNDigestInfo *t_di;
+    void *mark;
+    SECStatus rv;
+
+    if((poolp == NULL) || (add_cert == NULL) || (nickname == NULL)) {
+        return NULL;
+    }
+    mark = PORT_ArenaMark(poolp);
+
+    cert = sec_pkcs12_new_cert_crl(poolp, SEC_OID_PKCS12_X509_CERT_CRL_BAG);
+    if(cert != NULL) {
+
+        /* copy the nickname */
+        rv = SECITEM_CopyItem(poolp, &cert->nickname, nickname);
+        if(rv != SECSuccess) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            cert = NULL;
+        } else {
+
+            /* package the certificate and cert chain into a NULL signer
+             * PKCS 7 SignedData content Info and prepare it for encoding 
+             * since we cannot use DER_ANY_TEMPLATE
+             */
+            cinfo = SEC_PKCS7CreateCertsOnly(add_cert, PR_TRUE, NULL);
+            rv = SEC_PKCS7PrepareForEncode(cinfo, NULL, NULL, NULL);
+
+            /* thumbprint the certificate */
+            if((cinfo != NULL) && (rv == SECSuccess))
+            {
+                PORT_Memcpy(&cert->value.x509->certOrCRL, cinfo, sizeof(*cinfo));
+                t_di = sec_pkcs12_compute_thumbprint(&add_cert->derCert);
+                if(t_di != NULL)
+                {
+                    /* test */
+                    rv = SGN_CopyDigestInfo(poolp, &cert->value.x509->thumbprint,
+                                            t_di);
+                    if(rv != SECSuccess) {
+                        cert = NULL;
+                        PORT_SetError(SEC_ERROR_NO_MEMORY);
+                    }
+                    SGN_DestroyDigestInfo(t_di);
+                }
+                else
+                    cert = NULL;
+            }
+        }
+    }
+
+    if (cert == NULL) {
+        PORT_ArenaRelease(poolp, mark);
+    } else {
+        PORT_ArenaUnmark(poolp, mark);
+    }
+
+    return cert;
+}
+
+/* package the private key associated with the certificate and 
+ * return the appropriate PKCS 12 structure 
+ * poolp common memory pool
+ * nickname key nickname
+ * cert -- cert to look up
+ * wincx -- window handle 
+ * an error is indicated by a return of NULL
+ */
+static SEC_PKCS12PrivateKey *
+sec_pkcs12_get_private_key(PLArenaPool *poolp,
+                           SECItem *nickname,
+                           CERTCertificate *cert,
+                           void *wincx)
+{
+    SECKEYPrivateKeyInfo *pki;
+    SEC_PKCS12PrivateKey *pk;
+    SECStatus rv;
+    void *mark;
+
+    if((poolp == NULL) || (nickname == NULL)) {
+        return NULL;
+    }
+
+    mark = PORT_ArenaMark(poolp);
+
+    /* retrieve key from the data base */
+    pki = PK11_ExportPrivateKeyInfo(nickname, cert, wincx);
+    if(pki == NULL) {
+        PORT_ArenaRelease(poolp, mark);
+        PORT_SetError(SEC_ERROR_PKCS12_UNABLE_TO_EXPORT_KEY);
+        return NULL;
+    }
+
+    pk = (SEC_PKCS12PrivateKey *)PORT_ArenaZAlloc(poolp,
+                                                  sizeof(SEC_PKCS12PrivateKey));
+    if(pk != NULL) {
+        rv = sec_pkcs12_init_pvk_data(poolp, &pk->pvkData);
+
+        if(rv == SECSuccess) {
+            /* copy the key into poolp memory space */
+            rv = SECKEY_CopyPrivateKeyInfo(poolp, &pk->pkcs8data, pki);
+            if(rv == SECSuccess) {
+                rv = SECITEM_CopyItem(poolp, &pk->pvkData.nickname, nickname);
+            }
+        }
+
+        if(rv != SECSuccess) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            pk = NULL;
+        }
+    } else {
+        PORT_SetError(SEC_ERROR_NO_MEMORY); 
+    }
+
+    /* destroy private key, zeroing out data */
+    SECKEY_DestroyPrivateKeyInfo(pki, PR_TRUE);
+    if (pk == NULL) {
+        PORT_ArenaRelease(poolp, mark);
+    } else {
+        PORT_ArenaUnmark(poolp, mark);
+    }
+
+    return pk;
+}
+
+/* get a shrouded key item associated with a certificate
+ * return the appropriate PKCS 12 structure 
+ * poolp common memory pool
+ * nickname key nickname
+ * cert -- cert to look up
+ * wincx -- window handle 
+ * an error is indicated by a return of NULL
+ */
+static SEC_PKCS12ESPVKItem *
+sec_pkcs12_get_shrouded_key(PLArenaPool *poolp,
+                            SECItem *nickname,
+                            CERTCertificate *cert,
+                            SECOidTag algorithm, 
+                            SECItem *pwitem,
+                            PKCS12UnicodeConvertFunction unicodeFn,
+                            void *wincx)
+{
+    SECKEYEncryptedPrivateKeyInfo *epki;
+    SEC_PKCS12ESPVKItem *pk;
+    void *mark;
+    SECStatus rv;
+    PK11SlotInfo *slot = NULL;
+    PRBool swapUnicodeBytes = PR_FALSE;
+
+#ifdef IS_LITTLE_ENDIAN
+    swapUnicodeBytes = PR_TRUE;
+#endif
+
+    if((poolp == NULL) || (nickname == NULL))
+        return NULL;
+
+    mark = PORT_ArenaMark(poolp);
+
+    /* use internal key slot */
+    slot = PK11_GetInternalKeySlot();
+
+    /* retrieve encrypted prviate key */
+    epki = PK11_ExportEncryptedPrivateKeyInfo(slot, algorithm, pwitem, 
+                                              nickname, cert, 1, 0, NULL);
+    PK11_FreeSlot(slot);
+    if(epki == NULL) {
+        PORT_SetError(SEC_ERROR_PKCS12_UNABLE_TO_EXPORT_KEY);
+        PORT_ArenaRelease(poolp, mark);
+        return NULL;
+    }
+
+    /* create a private key and store the data into the poolp memory space */
+    pk = sec_pkcs12_create_espvk(poolp, SEC_OID_PKCS12_PKCS8_KEY_SHROUDING);
+    if(pk != NULL) {
+        rv = sec_pkcs12_init_pvk_data(poolp, &pk->espvkData);
+        rv = SECITEM_CopyItem(poolp, &pk->espvkData.nickname, nickname);
+        pk->espvkCipherText.pkcs8KeyShroud = 
+            (SECKEYEncryptedPrivateKeyInfo *)PORT_ArenaZAlloc(poolp,
+                                        sizeof(SECKEYEncryptedPrivateKeyInfo));
+        if((pk->espvkCipherText.pkcs8KeyShroud != NULL)  && (rv == SECSuccess)) {
+            rv = SECKEY_CopyEncryptedPrivateKeyInfo(poolp, 
+                                        pk->espvkCipherText.pkcs8KeyShroud, epki);
+            if(rv == SECSuccess) {
+                rv = (*unicodeFn)(poolp, &pk->espvkData.uniNickName, nickname, 
+                                  PR_TRUE, swapUnicodeBytes);
+            }
+        }
+
+        if(rv != SECSuccess) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            pk = NULL;
+        }
+    }
+
+    SECKEY_DestroyEncryptedPrivateKeyInfo(epki, PR_TRUE);
+    if(pk == NULL) {
+        PORT_ArenaRelease(poolp, mark);
+    } else {
+        PORT_ArenaUnmark(poolp, mark);
+    }
+        
+    return pk;
+}
+
+/* add a thumbprint to a private key associated certs list 
+ * pvk is the area where the list is stored
+ * thumb is the thumbprint to copy
+ * a return of SECFailure indicates an error 
+ */
+static SECStatus 
+sec_pkcs12_add_thumbprint(SEC_PKCS12PVKSupportingData *pvk,
+                          SGNDigestInfo *thumb)
+{
+    SGNDigestInfo **thumb_list = NULL;
+    int nthumbs, size;
+    void *mark, *dummy;
+    SECStatus rv = SECFailure;
+
+    if((pvk == NULL) || (thumb == NULL)) {
+        return SECFailure;
+    }
+
+    mark = PORT_ArenaMark(pvk->poolp);
+
+    thumb_list = pvk->assocCerts;
+    nthumbs = pvk->nThumbs;
+
+    /* allocate list space needed -- either growing or allocating 
+     * list must be NULL terminated 
+     */
+    size = sizeof(SGNDigestInfo *);
+    dummy = PORT_ArenaGrow(pvk->poolp, thumb_list, (size * (nthumbs + 1)),
+                           (size * (nthumbs + 2)));
+    thumb_list = dummy;
+    if(dummy != NULL) {
+        thumb_list[nthumbs] = (SGNDigestInfo *)PORT_ArenaZAlloc(pvk->poolp, 
+                                                sizeof(SGNDigestInfo));
+        if(thumb_list[nthumbs] != NULL) {
+            SGN_CopyDigestInfo(pvk->poolp, thumb_list[nthumbs], thumb);
+            nthumbs += 1;
+            thumb_list[nthumbs] = 0;
+        } else {
+            dummy = NULL;
+        }
+    }
+
+    if(dummy == NULL) {
+        PORT_ArenaRelease(pvk->poolp, mark);
+        return SECFailure;
+    } 
+
+    pvk->assocCerts = thumb_list;
+    pvk->nThumbs = nthumbs;
+
+    PORT_ArenaUnmark(pvk->poolp, mark);
+    return SECSuccess;
+}
+
+/* search the list of shrouded keys in the baggage for the desired
+ * name.  return a pointer to the item.  a return of NULL indicates
+ * that no match was present or that an error occurred.
+ */
+static SEC_PKCS12ESPVKItem *
+sec_pkcs12_get_espvk_by_name(SEC_PKCS12Baggage *luggage, 
+                             SECItem *name)
+{
+    PRBool found = PR_FALSE;
+    SEC_PKCS12ESPVKItem *espvk = NULL;
+    int i, j;
+    SECComparison rv = SECEqual;
+    SECItem *t_name;
+    SEC_PKCS12BaggageItem *bag;
+
+    if((luggage == NULL) || (name == NULL)) {
+        return NULL;
+    }
+
+    i = 0;
+    while((found == PR_FALSE) && (i < luggage->luggage_size)) {
+        j = 0;
+        bag = luggage->bags[i];
+        while((found == PR_FALSE) && (j < bag->nEspvks)) {
+            espvk = bag->espvks[j];
+            if(espvk->poolp == NULL) {
+                espvk->poolp = luggage->poolp;
+            }
+            t_name = SECITEM_DupItem(&espvk->espvkData.nickname);
+            if(t_name != NULL) {
+                rv = SECITEM_CompareItem(name, t_name);
+                if(rv == SECEqual) {
+                    found = PR_TRUE;
+                }
+                SECITEM_FreeItem(t_name, PR_TRUE);
+            } else {
+                PORT_SetError(SEC_ERROR_NO_MEMORY);
+                return NULL;
+            }
+            j++;
+        }
+        i++;
+    }
+
+    if(found != PR_TRUE) {
+        PORT_SetError(SEC_ERROR_PKCS12_UNABLE_TO_LOCATE_OBJECT_BY_NAME);
+        return NULL;
+    }
+
+    return espvk;
+}
+
+/* locates a certificate and copies the thumbprint to the
+ * appropriate private key
+ */
+static SECStatus 
+sec_pkcs12_propagate_thumbprints(SECItem **nicknames,
+                                 CERTCertificate **ref_certs,
+                                 SEC_PKCS12SafeContents *safe,
+                                 SEC_PKCS12Baggage *baggage)
+{
+    SEC_PKCS12CertAndCRL *cert;
+    SEC_PKCS12PrivateKey *key;
+    SEC_PKCS12ESPVKItem *espvk;
+    int i;
+    PRBool error = PR_FALSE;
+    SECStatus rv = SECFailure;
+
+    if((nicknames == NULL) || (safe == NULL)) {
+        return SECFailure;
+    }
+
+    i = 0;
+    while((nicknames[i] != NULL) && (error == PR_FALSE)) {
+        /* process all certs */
+        cert = (SEC_PKCS12CertAndCRL *)sec_pkcs12_find_object(safe, baggage,
+                                        SEC_OID_PKCS12_CERT_AND_CRL_BAG_ID,
+                                        nicknames[i], NULL);
+        if(cert != NULL) {
+            /* locate key and copy thumbprint */
+            key = (SEC_PKCS12PrivateKey *)sec_pkcs12_find_object(safe, baggage,
+                                        SEC_OID_PKCS12_KEY_BAG_ID,
+                                        nicknames[i], NULL);
+            if(key != NULL) {
+                key->pvkData.poolp = key->poolp;
+                rv = sec_pkcs12_add_thumbprint(&key->pvkData, 
+                        &cert->value.x509->thumbprint);
+                if(rv == SECFailure)
+                    error = PR_TRUE;  /* XXX Set error? */
+            }
+
+            /* look in the baggage as well...*/
+            if((baggage != NULL) && (error == PR_FALSE)) {
+                espvk = sec_pkcs12_get_espvk_by_name(baggage, nicknames[i]);
+                if(espvk != NULL) {
+                    espvk->espvkData.poolp = espvk->poolp;
+                    rv = sec_pkcs12_add_thumbprint(&espvk->espvkData,
+                        &cert->value.x509->thumbprint);
+                    if(rv == SECFailure)
+                        error = PR_TRUE;  /* XXX Set error? */
+                }
+            }
+        }
+        i++;
+    }
+
+    if(error == PR_TRUE) {
+        return SECFailure;
+    }
+
+    return SECSuccess;
+}
+
+/* append a safe bag to the end of the safe contents list */
+SECStatus 
+sec_pkcs12_append_safe_bag(SEC_PKCS12SafeContents *safe,
+                           SEC_PKCS12SafeBag *bag)
+{
+    int size;
+    void *mark = NULL, *dummy = NULL;
+
+    if((bag == NULL) || (safe == NULL))
+        return SECFailure;
+
+    mark = PORT_ArenaMark(safe->poolp);
+
+    size = (safe->safe_size * sizeof(SEC_PKCS12SafeBag *));
+    
+    if(safe->safe_size > 0) {
+        dummy = (SEC_PKCS12SafeBag **)PORT_ArenaGrow(safe->poolp, 
+                                        safe->contents, 
+                                        size, 
+                                        (size + sizeof(SEC_PKCS12SafeBag *)));
+        safe->contents = dummy;
+    } else {
+        safe->contents = (SEC_PKCS12SafeBag **)PORT_ArenaZAlloc(safe->poolp, 
+            (2 * sizeof(SEC_PKCS12SafeBag *)));
+        dummy = safe->contents;
+    }
+
+    if(dummy == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        goto loser;
+    }
+
+    safe->contents[safe->safe_size] = bag;
+    safe->safe_size++;
+    safe->contents[safe->safe_size] = NULL;
+
+    PORT_ArenaUnmark(safe->poolp, mark);
+    return SECSuccess;
+
+loser:
+    PORT_ArenaRelease(safe->poolp, mark);
+    return SECFailure;
+}
+
+/* append a certificate onto the end of a cert bag */
+static SECStatus 
+sec_pkcs12_append_cert_to_bag(PLArenaPool *arena,
+                              SEC_PKCS12SafeBag *safebag,
+                              CERTCertificate *cert,
+                              SECItem *nickname)
+{
+    int size;
+    void *dummy = NULL, *mark = NULL;
+    SEC_PKCS12CertAndCRL *p12cert;
+    SEC_PKCS12CertAndCRLBag *bag;
+
+    if((arena == NULL) || (safebag == NULL) || 
+        (cert == NULL) || (nickname == NULL)) {
+        return SECFailure;
+    }
+
+    bag = safebag->safeContent.certAndCRLBag;
+    if(bag == NULL) {
+        return SECFailure;
+    }
+
+    mark = PORT_ArenaMark(arena);
+
+    p12cert = sec_pkcs12_get_cert(arena, cert, nickname);
+    if(p12cert == NULL) {
+        PORT_ArenaRelease(bag->poolp, mark);
+        return SECFailure;
+    }
+
+    size = bag->bag_size * sizeof(SEC_PKCS12CertAndCRL *);
+    if(bag->bag_size > 0) {
+        dummy = (SEC_PKCS12CertAndCRL **)PORT_ArenaGrow(bag->poolp,
+            bag->certAndCRLs, size, size + sizeof(SEC_PKCS12CertAndCRL *));
+        bag->certAndCRLs = dummy;
+    } else {
+        bag->certAndCRLs = (SEC_PKCS12CertAndCRL **)PORT_ArenaZAlloc(bag->poolp,
+            (2 * sizeof(SEC_PKCS12CertAndCRL *)));
+        dummy = bag->certAndCRLs;
+    }
+
+    if(dummy == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        goto loser;
+    }
+
+    bag->certAndCRLs[bag->bag_size] = p12cert;
+    bag->bag_size++;
+    bag->certAndCRLs[bag->bag_size] = NULL;
+
+    PORT_ArenaUnmark(bag->poolp, mark);
+    return SECSuccess;
+
+loser:
+    PORT_ArenaRelease(bag->poolp, mark);
+    return SECFailure;
+}
+
+/* append a key onto the end of a list of keys in a key bag */
+SECStatus 
+sec_pkcs12_append_key_to_bag(SEC_PKCS12SafeBag *safebag,
+                             SEC_PKCS12PrivateKey *pk)
+{
+    void *mark, *dummy;
+    SEC_PKCS12PrivateKeyBag *bag;
+    int size;
+
+    if((safebag == NULL) || (pk == NULL))
+        return SECFailure;
+
+    bag = safebag->safeContent.keyBag;
+    if(bag == NULL) {
+        return SECFailure;
+    }
+
+    mark = PORT_ArenaMark(bag->poolp);
+
+    size = (bag->bag_size * sizeof(SEC_PKCS12PrivateKey *));
+
+    if(bag->bag_size > 0) {
+        dummy = (SEC_PKCS12PrivateKey **)PORT_ArenaGrow(bag->poolp,
+                                        bag->privateKeys, 
+                                        size, 
+                                        size + sizeof(SEC_PKCS12PrivateKey *));
+        bag->privateKeys = dummy;
+    } else {
+        bag->privateKeys = (SEC_PKCS12PrivateKey **)PORT_ArenaZAlloc(bag->poolp,
+            (2 * sizeof(SEC_PKCS12PrivateKey *)));
+        dummy = bag->privateKeys;
+    }
+
+    if(dummy == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        goto loser;
+    }
+
+    bag->privateKeys[bag->bag_size] = pk;
+    bag->bag_size++;
+    bag->privateKeys[bag->bag_size] = NULL;
+
+    PORT_ArenaUnmark(bag->poolp, mark);
+    return SECSuccess;
+
+loser:
+    /* XXX Free memory? */
+    PORT_ArenaRelease(bag->poolp, mark);
+    return SECFailure;
+}
+
+/* append a safe bag to the baggage area */
+static SECStatus 
+sec_pkcs12_append_unshrouded_bag(SEC_PKCS12BaggageItem *bag,
+                                 SEC_PKCS12SafeBag *u_bag)
+{
+    int size;
+    void *mark = NULL, *dummy = NULL;
+
+    if((bag == NULL) || (u_bag == NULL))
+        return SECFailure;
+
+    mark = PORT_ArenaMark(bag->poolp);
+
+    /* dump things into the first bag */
+    size = (bag->nSecrets + 1) * sizeof(SEC_PKCS12SafeBag *);
+    dummy = PORT_ArenaGrow(bag->poolp,
+                        bag->unencSecrets, size, 
+                        size + sizeof(SEC_PKCS12SafeBag *));
+    bag->unencSecrets = dummy;
+    if(dummy == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        goto loser;
+    }
+
+    bag->unencSecrets[bag->nSecrets] = u_bag;
+    bag->nSecrets++;
+    bag->unencSecrets[bag->nSecrets] = NULL;
+
+    PORT_ArenaUnmark(bag->poolp, mark);
+    return SECSuccess;
+
+loser:
+    PORT_ArenaRelease(bag->poolp, mark);
+    return SECFailure;
+}
+
+/* gather up all certificates and keys and package them up
+ * in the safe, baggage, or both.
+ * nicknames is the list of nicknames and corresponding certs in ref_certs
+ * ref_certs a null terminated list of certificates
+ * rSafe, rBaggage -- return areas for safe and baggage
+ * shroud_keys -- store keys externally
+ * pwitem -- password for computing integrity mac and encrypting contents
+ * wincx -- window handle
+ *
+ * if a failure occurs, an error is set and SECFailure returned.
+ */
+static SECStatus
+sec_pkcs12_package_certs_and_keys(SECItem **nicknames,
+                                  CERTCertificate **ref_certs,
+                                  PRBool unencryptedCerts,
+                                  SEC_PKCS12SafeContents **rSafe,
+                                  SEC_PKCS12Baggage **rBaggage,
+                                  PRBool shroud_keys, 
+                                  SECOidTag shroud_alg,
+                                  SECItem *pwitem,
+                                  PKCS12UnicodeConvertFunction unicodeFn,
+                                  void *wincx)
+{
+    PLArenaPool *permArena;
+    SEC_PKCS12SafeContents *safe = NULL;
+    SEC_PKCS12Baggage *baggage = NULL;
+
+    SECStatus rv = SECFailure;
+    PRBool problem = PR_FALSE;
+
+    SEC_PKCS12ESPVKItem *espvk = NULL;
+    SEC_PKCS12PrivateKey *pk = NULL;
+    CERTCertificate *add_cert = NULL;
+    SEC_PKCS12SafeBag *certbag = NULL, *keybag = NULL;
+    SEC_PKCS12BaggageItem *external_bag = NULL;
+    int ncerts = 0, nkeys = 0;
+    int i;
+
+    if((nicknames == NULL) || (rSafe == NULL) || (rBaggage == NULL)) {
+        return SECFailure;
+    }
+        
+    *rBaggage = baggage;
+    *rSafe = safe;
+
+    permArena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
+    if(permArena == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return SECFailure;
+     }
+
+    /* allocate structures */
+    safe = sec_pkcs12_create_safe_contents(permArena);
+    if(safe == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        rv = SECFailure;
+        goto loser;
+    }
+
+    certbag = sec_pkcs12_create_safe_bag(permArena, 
+                                         SEC_OID_PKCS12_CERT_AND_CRL_BAG_ID);
+    if(certbag == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+
+    if(shroud_keys != PR_TRUE) {
+        keybag = sec_pkcs12_create_safe_bag(permArena, 
+                                            SEC_OID_PKCS12_KEY_BAG_ID);
+        if(keybag == NULL) {
+            rv = SECFailure;
+            goto loser;
+        }
+    }
+
+    if((shroud_keys == PR_TRUE) || (unencryptedCerts == PR_TRUE)) {
+        baggage = sec_pkcs12_create_baggage(permArena);
+        if(baggage == NULL) {
+            rv = SECFailure;
+            goto loser;
+        }
+        external_bag = sec_pkcs12_create_external_bag(baggage);
+    }
+
+    /* package keys and certs */
+    i = 0;
+    while((nicknames[i] != NULL) && (problem == PR_FALSE)) {
+        if(ref_certs[i] != NULL) {
+            /* append cert to bag o certs */
+            rv = sec_pkcs12_append_cert_to_bag(permArena, certbag, 
+                                               ref_certs[i],
+                                               nicknames[i]);
+            if(rv == SECFailure) {
+                problem = PR_FALSE;
+            } else {
+                ncerts++;
+            }
+
+            if(rv == SECSuccess) {
+                /* package up them keys */
+                if(shroud_keys == PR_TRUE) {
+                    espvk = sec_pkcs12_get_shrouded_key(permArena, 
+                                                        nicknames[i],
+                                                        ref_certs[i],
+                                                        shroud_alg, 
+                                                        pwitem, unicodeFn,
+                                                        wincx);
+                    if(espvk != NULL) {
+                        rv = sec_pkcs12_append_shrouded_key(external_bag, espvk);
+                        SECITEM_CopyItem(permArena, &espvk->derCert,
+                                         &ref_certs[i]->derCert);
+                    } else {
+                        rv = SECFailure;
+                    }
+                } else {
+                    pk = sec_pkcs12_get_private_key(permArena, nicknames[i], 
+                                                    ref_certs[i], wincx);
+                    if(pk != NULL) {
+                        rv = sec_pkcs12_append_key_to_bag(keybag, pk);
+                        SECITEM_CopyItem(permArena, &espvk->derCert,
+                                         &ref_certs[i]->derCert);
+                    } else {
+                        rv = SECFailure;
+                    }
+                }
+        
+                if(rv == SECFailure) {
+                    problem = PR_TRUE;
+                } else {
+                    nkeys++;
+                }
+            }
+        } else {
+            /* handle only keys here ? */
+            problem = PR_TRUE;
+        }
+        i++;
+    }
+
+    /* let success fall through */
+loser:
+    if(problem == PR_FALSE) {
+        /* if we have certs, we want to append the cert bag to the 
+         * appropriate area 
+         */
+        if(ncerts > 0) {
+            if(unencryptedCerts != PR_TRUE) {
+                rv = sec_pkcs12_append_safe_bag(safe, certbag);
+            } else {
+                rv = sec_pkcs12_append_unshrouded_bag(external_bag, certbag);
+            }
+        } else {
+            rv = SECSuccess;
+        }
+
+        /* append key bag, if they are stored in safe contents */
+        if((rv == SECSuccess) && (shroud_keys == PR_FALSE) && (nkeys > 0)) {
+            rv = sec_pkcs12_append_safe_bag(safe, keybag);
+        }
+    } else {
+        rv = SECFailure;
+    }
+
+    /* if baggage not used, NULLify it */
+    if((shroud_keys == PR_TRUE) || (unencryptedCerts == PR_TRUE)) {
+        if(((unencryptedCerts == PR_TRUE) && (ncerts == 0)) &&
+           ((shroud_keys == PR_TRUE) && (nkeys == 0)))
+                baggage = NULL;
+    } else {
+        baggage = NULL;
+    }
+
+    if((problem == PR_TRUE) || (rv == SECFailure)) {
+        PORT_FreeArena(permArena, PR_TRUE);
+        rv = SECFailure;
+        baggage = NULL;
+        safe = NULL;
+    }
+
+    *rBaggage = baggage;
+    *rSafe = safe;
+
+    return rv;
+}
+
+/* DER encode the safe contents and return a SECItem.  if an error
+ * occurs, NULL is returned.
+ */
+static SECItem *
+sec_pkcs12_encode_safe_contents(SEC_PKCS12SafeContents *safe)
+{
+    SECItem *dsafe = NULL, *tsafe;
+    void *dummy = NULL;
+    PLArenaPool *arena;
+
+    if(safe == NULL) {
+        return NULL;
+    }
+
+/*    rv = sec_pkcs12_prepare_for_der_code_safe(safe, PR_TRUE);
+    if(rv != SECSuccess) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return NULL;
+    }*/
+
+    arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
+    if(arena == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return NULL;
+    }
+
+    tsafe = (SECItem *)PORT_ArenaZAlloc(arena, sizeof(SECItem));
+    if(tsafe != NULL) {
+        dummy = SEC_ASN1EncodeItem(arena, tsafe, safe, 
+            SEC_PKCS12SafeContentsTemplate);
+        if(dummy != NULL) {
+            dsafe = SECITEM_DupItem(tsafe);
+        } else {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+        }
+    } else {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+    }
+
+    PORT_FreeArena(arena, PR_TRUE);
+
+    return dsafe;
+}
+
+/* prepare the authenicated safe for encoding and encode it.  
+ *   baggage is copied to the appropriate area, safe is encoded and
+ *   encrypted.  the version and transport mode are set on the asafe.
+ *   the whole ball of wax is then der encoded and packaged up into
+ *   data content info 
+ * safe -- container of certs and keys, is encrypted.
+ * baggage -- container of certs and keys, keys assumed to be encrypted by 
+ *    another method, certs are in the clear
+ * algorithm -- algorithm by which to encrypt safe
+ * pwitem -- password for encryption
+ * wincx - window handle
+ *
+ * return of NULL is an error condition.
+ */
+static SEC_PKCS7ContentInfo *
+sec_pkcs12_get_auth_safe(SEC_PKCS12SafeContents *safe, 
+                         SEC_PKCS12Baggage *baggage,  
+                         SECOidTag algorithm, 
+                         SECItem *pwitem,
+                         PKCS12UnicodeConvertFunction unicodeFn,
+                         void *wincx)
+{
+    SECItem *src = NULL, *dest = NULL, *psalt = NULL;
+    PLArenaPool *poolp;
+    SEC_PKCS12AuthenticatedSafe *asafe;
+    SEC_PKCS7ContentInfo *safe_cinfo = NULL;
+    SEC_PKCS7ContentInfo *asafe_cinfo = NULL;
+    void *dummy;
+    SECStatus rv = SECSuccess;
+    PRBool swapUnicodeBytes = PR_FALSE;
+
+#ifdef IS_LITTLE_ENDIAN
+    swapUnicodeBytes = PR_TRUE;
+#endif
+    
+    if(((safe != NULL) && (pwitem == NULL)) && (baggage == NULL))
+        return NULL;
+
+    poolp = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
+    if(poolp == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return NULL;
+    }
+
+    /* prepare authenticated safe for encode */
+    asafe = sec_pkcs12_new_asafe(poolp);
+    if(asafe != NULL) {
+
+        /* set version */
+        dummy = SEC_ASN1EncodeInteger(asafe->poolp, &asafe->version,
+                                      SEC_PKCS12_PFX_VERSION);
+        if(dummy == NULL) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            rv = SECFailure;
+            goto loser;
+        }
+
+        /* generate the privacy salt used to create virtual pwd */
+        psalt = sec_pkcs12_generate_salt();
+        if(psalt != NULL) {
+            rv = SECITEM_CopyItem(asafe->poolp, &asafe->privacySalt,
+                                  psalt);
+            if(rv == SECSuccess) {
+                asafe->privacySalt.len *= 8;
+            } 
+            else {
+                SECITEM_ZfreeItem(psalt, PR_TRUE);
+                PORT_SetError(SEC_ERROR_NO_MEMORY);
+                goto loser;
+            }
+        } 
+
+        if((psalt == NULL) || (rv == SECFailure)) {
+            PORT_SetError(SEC_ERROR_NO_MEMORY);
+            rv = SECFailure;
+            goto loser;
+        }
+
+        /* package up safe contents */
+        if(safe != NULL) 
+        {
+            safe_cinfo = SEC_PKCS7CreateEncryptedData(algorithm, NULL, wincx);
+            if((safe_cinfo != NULL) && (safe->safe_size > 0)) {
+                /* encode the safe and encrypt the contents of the 
+                 * content info
+                 */
+                src = sec_pkcs12_encode_safe_contents(safe);
+
+                if(src != NULL) {
+                    rv = SEC_PKCS7SetContent(safe_cinfo, (char *)src->data, src->len);
+                    SECITEM_ZfreeItem(src, PR_TRUE);
+                    if(rv == SECSuccess) {
+                        SECItem *vpwd;
+                        vpwd = sec_pkcs12_create_virtual_password(pwitem, psalt,
+                                                unicodeFn, swapUnicodeBytes);
+                        if(vpwd != NULL) {
+                            rv = SEC_PKCS7EncryptContents(NULL, safe_cinfo,
+                                                          vpwd, wincx);
+                            SECITEM_ZfreeItem(vpwd, PR_TRUE);
+                        } else {
+                            rv = SECFailure;
+                            PORT_SetError(SEC_ERROR_NO_MEMORY);
+                        }
+                    } else {
+                        PORT_SetError(SEC_ERROR_NO_MEMORY);
+                    }
+                } else {
+                    rv = SECFailure;
+                }
+            } else if(safe->safe_size > 0) {
+                PORT_SetError(SEC_ERROR_NO_MEMORY);
+                goto loser;
+            } else {
+                /* case where there is NULL content in the safe contents */
+                rv = SEC_PKCS7SetContent(safe_cinfo, NULL, 0);
+                if(rv != SECFailure) {
+                    PORT_SetError(SEC_ERROR_NO_MEMORY);
+                }
+            }
+
+            if(rv != SECSuccess) {
+                SEC_PKCS7DestroyContentInfo(safe_cinfo);
+                safe_cinfo = NULL;
+                goto loser;
+            }
+
+            asafe->safe = safe_cinfo;   
+            /*
+            PORT_Memcpy(&asafe->safe, safe_cinfo, sizeof(*safe_cinfo));
+            */
+        }
+
+        /* copy the baggage to the authenticated safe baggage if present */
+        if(baggage != NULL) {
+            PORT_Memcpy(&asafe->baggage, baggage, sizeof(*baggage));
+        }
+
+        /* encode authenticated safe and store it in a Data content info */
+        dest = (SECItem *)PORT_ArenaZAlloc(poolp, sizeof(SECItem));
+        if(dest != NULL) {
+            dummy = SEC_ASN1EncodeItem(poolp, dest, asafe, 
+                                SEC_PKCS12AuthenticatedSafeTemplate);
+            if(dummy != NULL) {
+                asafe_cinfo = SEC_PKCS7CreateData();
+                if(asafe_cinfo != NULL) {
+                    rv = SEC_PKCS7SetContent(asafe_cinfo, 
+                                                (char *)dest->data, 
+                                                dest->len);
+                    if(rv != SECSuccess) {
+                        PORT_SetError(SEC_ERROR_NO_MEMORY);
+                        SEC_PKCS7DestroyContentInfo(asafe_cinfo);
+                        asafe_cinfo = NULL;
+                    }
+                }
+            } else {
+                PORT_SetError(SEC_ERROR_NO_MEMORY);
+                rv = SECFailure;
+            }
+        }
+    }
+
+loser:
+    PORT_FreeArena(poolp, PR_TRUE);
+    if(safe_cinfo != NULL) {
+        SEC_PKCS7DestroyContentInfo(safe_cinfo);
+    }
+    if(psalt != NULL) {
+        SECITEM_ZfreeItem(psalt, PR_TRUE);
+    }
+
+    if(rv == SECFailure) {
+        return NULL;
+    }
+        
+    return asafe_cinfo;
+}
+
+/* generates the PFX and computes the mac on the authenticated safe 
+ * NULL implies an error
+ */
+static SEC_PKCS12PFXItem *
+sec_pkcs12_get_pfx(SEC_PKCS7ContentInfo *cinfo, 
+                   PRBool do_mac, 
+                   SECItem *pwitem, PKCS12UnicodeConvertFunction unicodeFn)
+{
+    SECItem *dest = NULL, *mac = NULL, *salt = NULL, *key = NULL;
+    SEC_PKCS12PFXItem *pfx;
+    SECStatus rv = SECFailure;
+    SGNDigestInfo *di;
+    SECItem *vpwd;
+    PRBool swapUnicodeBytes = PR_FALSE;
+
+#ifdef IS_LITTLE_ENDIAN
+    swapUnicodeBytes = PR_TRUE;
+#endif
+
+    if((cinfo == NULL) || ((do_mac == PR_TRUE) && (pwitem == NULL))) {
+        return NULL;
+    }
+
+    /* allocate new pfx structure */
+    pfx = sec_pkcs12_new_pfx();
+    if(pfx == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return NULL;
+    }
+
+    PORT_Memcpy(&pfx->authSafe, cinfo, sizeof(*cinfo));
+    if(do_mac == PR_TRUE) {
+
+        /* salt for computing mac */
+        salt = sec_pkcs12_generate_salt();
+        if(salt != NULL) {
+            rv = SECITEM_CopyItem(pfx->poolp, &pfx->macData.macSalt, salt);
+            pfx->macData.macSalt.len *= 8;
+
+            vpwd = sec_pkcs12_create_virtual_password(pwitem, salt,
+                                                unicodeFn, swapUnicodeBytes);
+            if(vpwd == NULL) {
+                rv = SECFailure;
+                key = NULL;
+            } else {
+                key = sec_pkcs12_generate_key_from_password(SEC_OID_SHA1,
+                                                        salt, vpwd);
+                SECITEM_ZfreeItem(vpwd, PR_TRUE);
+            }
+
+            if((key != NULL) && (rv == SECSuccess)) {
+                dest = SEC_PKCS7GetContent(cinfo);
+                if(dest != NULL) {
+
+                    /* compute mac on data -- for password integrity mode */
+                    mac = sec_pkcs12_generate_mac(key, dest, PR_FALSE);
+                    if(mac != NULL) {
+                        di = SGN_CreateDigestInfo(SEC_OID_SHA1, 
+                                                  mac->data, mac->len);
+                        if(di != NULL) {
+                            rv = SGN_CopyDigestInfo(pfx->poolp, 
+                                                    &pfx->macData.safeMac, di);
+                            SGN_DestroyDigestInfo(di);
+                        } else {
+                            PORT_SetError(SEC_ERROR_NO_MEMORY);
+                        }
+                        SECITEM_ZfreeItem(mac, PR_TRUE);
+                    }
+                } else {
+                    rv = SECFailure;
+                }
+            } else {
+                PORT_SetError(SEC_ERROR_NO_MEMORY);
+                rv = SECFailure;
+            }
+
+            if(key != NULL) {
+                SECITEM_ZfreeItem(key, PR_TRUE);
+            }
+            SECITEM_ZfreeItem(salt, PR_TRUE);
+        }
+    }
+
+    if(rv == SECFailure) {
+        SEC_PKCS12DestroyPFX(pfx);
+        pfx = NULL;
+    }
+
+    return pfx;
+}
+
+/* der encode the pfx */
+static SECItem *
+sec_pkcs12_encode_pfx(SEC_PKCS12PFXItem *pfx)
+{
+    SECItem *dest;
+    void *dummy;
+
+    if(pfx == NULL) {
+        return NULL;
+    }
+
+    dest = (SECItem *)PORT_ZAlloc(sizeof(SECItem));
+    if(dest == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        return NULL;
+    }
+
+    dummy = SEC_ASN1EncodeItem(NULL, dest, pfx, SEC_PKCS12PFXItemTemplate);
+    if(dummy == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        SECITEM_ZfreeItem(dest, PR_TRUE);
+        dest = NULL;
+    }
+
+    return dest;
+}
+
+SECItem *
+SEC_PKCS12GetPFX(char **nicknames,
+                 CERTCertificate **ref_certs,
+                 PRBool shroud_keys, 
+                 SEC_PKCS5GetPBEPassword pbef, 
+                 void *pbearg,
+                 PKCS12UnicodeConvertFunction unicodeFn,
+                 void *wincx)
+{
+    SECItem **nicks = NULL;
+    SEC_PKCS12PFXItem *pfx = NULL;
+    SEC_PKCS12Baggage *baggage = NULL;
+    SEC_PKCS12SafeContents *safe = NULL;
+    SEC_PKCS7ContentInfo *cinfo = NULL;
+    SECStatus rv = SECFailure;
+    SECItem *dest = NULL, *pwitem = NULL;
+    PRBool problem = PR_FALSE;
+    PRBool unencryptedCerts;
+    SECOidTag shroud_alg, safe_alg;
+
+    /* how should we encrypt certs ? */
+    unencryptedCerts = !SEC_PKCS12IsEncryptionAllowed();
+    if(!unencryptedCerts) {
+        safe_alg = SEC_PKCS12GetPreferredEncryptionAlgorithm();
+        if(safe_alg == SEC_OID_UNKNOWN) {
+            safe_alg = SEC_PKCS12GetStrongestAllowedAlgorithm();
+        }
+        if(safe_alg == SEC_OID_UNKNOWN) {
+            unencryptedCerts = PR_TRUE;
+            /* for export where no encryption is allowed, we still need
+             * to encrypt the NULL contents per the spec.  encrypted info
+             * is known plaintext, so it shouldn't be a problem.
+             */
+            safe_alg = SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC;
+        }
+    } else {
+        /* for export where no encryption is allowed, we still need
+         * to encrypt the NULL contents per the spec.  encrypted info
+         * is known plaintext, so it shouldn't be a problem.
+         */
+        safe_alg = SEC_OID_PKCS12_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC;
+    }
+
+    /* keys are always stored with triple DES */
+    shroud_alg = SEC_OID_PKCS12_PBE_WITH_SHA1_AND_TRIPLE_DES_CBC;
+
+    /* check for FIPS, if so, do not encrypt certs */
+    if(PK11_IsFIPS() && !unencryptedCerts) {
+        unencryptedCerts = PR_TRUE;
+    }
+
+    if((nicknames == NULL) || (pbef == NULL) || (ref_certs == NULL)) {
+        problem = PR_TRUE;
+        goto loser;
+    }
+
+
+    /* get password */
+    pwitem = (*pbef)(pbearg);
+    if(pwitem == NULL) {
+        problem = PR_TRUE;
+        goto loser;
+    }
+    nicks = sec_pkcs12_convert_nickname_list(nicknames);
+
+    /* get safe and baggage */
+    rv = sec_pkcs12_package_certs_and_keys(nicks, ref_certs, unencryptedCerts,
+                                           &safe, &baggage, shroud_keys,
+                                           shroud_alg, pwitem, unicodeFn, wincx);
+    if(rv == SECFailure) {
+        problem = PR_TRUE;
+    }
+
+    if((safe != NULL) && (problem == PR_FALSE)) {
+        /* copy thumbprints */
+        rv = sec_pkcs12_propagate_thumbprints(nicks, ref_certs, safe, baggage);
+
+        /* package everything up into AuthenticatedSafe */
+        cinfo = sec_pkcs12_get_auth_safe(safe, baggage, 
+                                         safe_alg, pwitem, unicodeFn, wincx);
+
+        sec_pkcs12_destroy_cert_content_infos(safe, baggage);
+
+        /* get the pfx and mac it */
+        if(cinfo != NULL) {
+            pfx = sec_pkcs12_get_pfx(cinfo, PR_TRUE, pwitem, unicodeFn);
+            if(pfx != NULL) {
+                dest = sec_pkcs12_encode_pfx(pfx);
+                SEC_PKCS12DestroyPFX(pfx);
+            }
+            SEC_PKCS7DestroyContentInfo(cinfo);
+        }
+
+        if(safe != NULL) {
+            PORT_FreeArena(safe->poolp, PR_TRUE);
+        }
+    } else {
+        if(safe != NULL) {
+            PORT_FreeArena(safe->poolp, PR_TRUE);
+        }
+    }
+
+loser:
+    if(nicks != NULL) {
+        sec_pkcs12_destroy_nickname_list(nicks);
+    }
+
+    if(ref_certs != NULL) {
+        sec_pkcs12_destroy_certificate_list(ref_certs);
+    }
+
+    if(pwitem != NULL) {
+        SECITEM_ZfreeItem(pwitem, PR_TRUE);
+    }
+
+    if(problem == PR_TRUE) {
+        dest = NULL;
+    }
+
+    return dest;
+}