kmf_nss/common/nss_spi.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * NSS keystore wrapper
 *
 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <synch.h>

#include <kmfapiP.h>
#include <ber_der.h>
/* NSS related headers */

#include <mps/nss.h>
#include <mps/cert.h>
#include <mps/certdb.h>
#include <mps/secoid.h>
#include <mps/secder.h>
#include <mps/secerr.h>
#include <mps/cryptohi.h>
#include <mps/keyhi.h>
#include <mps/keythi.h>
#include <mps/pk11func.h>
#include <mps/pk11pqg.h>
#include <mps/pkcs12.h>
#include <mps/p12plcy.h>
#include <mps/prerror.h>

#define NSS_OK      0

mutex_t init_lock = DEFAULTMUTEX;
static int nss_initialized = 0;

KMF_RETURN
NSS_ConfigureKeystore(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_FindCert(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

void
NSS_FreeKMFCert(KMF_HANDLE_T, KMF_X509_DER_CERT *);

KMF_RETURN
NSS_StoreCert(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_ImportCert(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_DeleteCert(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_CreateKeypair(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_StoreKey(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_EncodePubKeyData(KMF_HANDLE_T, KMF_KEY_HANDLE *, KMF_DATA *);

KMF_RETURN
NSS_SignData(KMF_HANDLE_T, KMF_KEY_HANDLE *, KMF_OID *,
    KMF_DATA *, KMF_DATA *);

KMF_RETURN
NSS_ImportCRL(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_DeleteCRL(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_FindCRL(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_FindKey(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_FindCertInCRL(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_GetErrorString(KMF_HANDLE_T, char **);

KMF_RETURN
NSS_DeleteKey(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_FindPrikeyByCert(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_DecryptData(KMF_HANDLE_T, KMF_KEY_HANDLE *, KMF_OID *,
    KMF_DATA *, KMF_DATA *);

KMF_RETURN
NSS_ExportPK12(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_CreateSymKey(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

KMF_RETURN
NSS_GetSymKeyValue(KMF_HANDLE_T, KMF_KEY_HANDLE *, KMF_RAW_SYM_KEY *);

KMF_RETURN
NSS_SetTokenPin(KMF_HANDLE_T, int, KMF_ATTRIBUTE *);

static
KMF_PLUGIN_FUNCLIST nss_plugin_table =
{
    1,              /* Version */
    NSS_ConfigureKeystore,
    NSS_FindCert,
    NSS_FreeKMFCert,
    NSS_StoreCert,
    NSS_ImportCert,
    NSS_ImportCRL,
    NSS_DeleteCert,
    NSS_DeleteCRL,
    NSS_CreateKeypair,
    NSS_FindKey,
    NSS_EncodePubKeyData,
    NSS_SignData,
    NSS_DeleteKey,
    NULL    /* ListCRL */,
    NSS_FindCRL,
    NSS_FindCertInCRL,
    NSS_GetErrorString,
    NSS_FindPrikeyByCert,
    NSS_DecryptData,
    NSS_ExportPK12,
    NSS_CreateSymKey,
    NSS_GetSymKeyValue,
    NSS_SetTokenPin,
    NSS_StoreKey,
    NULL /* Finalize */
};

/* additions for importing and exporting PKCS 12 files */
typedef struct p12uContextStr {
    char        *filename;  /* name of file */
    PRFileDesc  *file;      /* pointer to file */
    PRBool      error;      /* error occurred? */
    int     errorValue; /* which error occurred? */
} p12uContext;

#define SET_ERROR(h, c) h->lasterr.kstype = KMF_KEYSTORE_NSS; \
    h->lasterr.errcode = c;

KMF_PLUGIN_FUNCLIST *
KMF_Plugin_Initialize()
{
    (void) SEC_PKCS12EnableCipher(PKCS12_RC4_40, 1);
    (void) SEC_PKCS12EnableCipher(PKCS12_RC4_128, 1);
    (void) SEC_PKCS12EnableCipher(PKCS12_RC2_CBC_40, 1);
    (void) SEC_PKCS12EnableCipher(PKCS12_RC2_CBC_128, 1);
    (void) SEC_PKCS12EnableCipher(PKCS12_DES_56, 1);
    (void) SEC_PKCS12EnableCipher(PKCS12_DES_EDE3_168, 1);
    (void) SEC_PKCS12SetPreferredCipher(PKCS12_DES_EDE3_168, 1);

    return (&nss_plugin_table);
}

static char *
/*ARGSUSED*/
nss_getpassword(PK11SlotInfo *slot, PRBool retry, void *arg)
{
    if (retry)
        return (NULL);
    if (arg != NULL)
        return ((char *)strdup(arg));
    else
        return (NULL);
}

static KMF_RETURN
nss_authenticate(KMF_HANDLE_T handle,
    PK11SlotInfo *nss_slot, KMF_CREDENTIAL *cred)
{

    SECStatus nssrv = SECSuccess;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;

    /* If a password was given, try to login to the slot */
    if (cred == NULL || cred->cred == NULL || cred->credlen == 0 ||
        nss_slot == NULL) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    if (PK11_IsLoggedIn(nss_slot, NULL)) {
        return (KMF_OK);
    }

    PK11_SetPasswordFunc(nss_getpassword);
    nssrv = PK11_Authenticate(nss_slot, PR_TRUE, (void *)cred->cred);

    if (nssrv != SECSuccess) {
        SET_ERROR(kmfh, nssrv);
        PK11_FreeSlot(nss_slot);
        return (KMF_ERR_AUTH_FAILED);
    }

    return (KMF_OK);
}

static SECStatus
Init_NSS_DBs(const char *configdir,
    const char *certPrefix,
    const char *keyPrefix,
    const char *secmodName)
{
    SECStatus rv = NSS_OK;

    (void) mutex_lock(&init_lock);

    /* If another thread already did it, return OK. */
    if (nss_initialized) {
        (void) mutex_unlock(&init_lock);
        return (SECSuccess);
    }

    rv = NSS_Initialize((configdir && strlen(configdir)) ?
        configdir : "./", certPrefix, keyPrefix,
        secmodName ? secmodName : "secmod.db", NSS_INIT_COOPERATE);
    if (rv != SECSuccess) {
        goto end;
    }

    nss_initialized++;
end:
    (void) mutex_unlock(&init_lock);
    return (rv);
}

/*
 * When it is called the first time, it will intialize NSS.  Once the NSS
 * is initialized, this function returns KMF_KEYSTORE_ALREADY_INITIALIZED
 * if it is called again.
 */
KMF_RETURN
NSS_ConfigureKeystore(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    char    *configdir;
    char    *certPrefix;
    char    *keyPrefix;
    char    *secModName;

    configdir = kmf_get_attr_ptr(KMF_DIRPATH_ATTR, attrlist, numattr);
    certPrefix = kmf_get_attr_ptr(KMF_CERTPREFIX_ATTR, attrlist, numattr);
    keyPrefix = kmf_get_attr_ptr(KMF_KEYPREFIX_ATTR, attrlist, numattr);
    secModName = kmf_get_attr_ptr(KMF_SECMODNAME_ATTR, attrlist, numattr);

    (void) mutex_lock(&init_lock);
    if (nss_initialized == 0) {
        SECStatus err;

        (void) mutex_unlock(&init_lock);
        err = Init_NSS_DBs(configdir, certPrefix,
            keyPrefix, secModName);
        if (err != SECSuccess) {
            SET_ERROR(kmfh, err);
            return (KMF_ERR_INTERNAL);
        }
    } else {
        rv = KMF_KEYSTORE_ALREADY_INITIALIZED;
        (void) mutex_unlock(&init_lock);
    }

    return (rv);
}

/*
 * This function sets up the slot to be used for other operations.
 * This function is basically called by every NSS SPI function.
 * For those functions that can only be performed in the internal slot, the
 * boolean "internal_slot_only" argument needs to be TRUE.
 * A slot pointer will be returned when this function is executed successfully.
 */
KMF_RETURN
do_nss_init(void *handle, int numattr,
    KMF_ATTRIBUTE *attrlist,
    boolean_t internal_slot_only,
    PK11SlotInfo **nss_slot)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    char *slotlabel = NULL;

    if (!nss_initialized)
        return (KMF_ERR_PLUGIN_INIT);

    slotlabel = kmf_get_attr_ptr(KMF_TOKEN_LABEL_ATTR, attrlist, numattr);
    /*
     * NSS Is already initialized, but we need to find
     * the right slot.
     */
    if (slotlabel == NULL ||
        strcmp(slotlabel, "internal") == 0) {
        *nss_slot = PK11_GetInternalKeySlot();
    } else if (internal_slot_only == TRUE)  {
        rv = KMF_ERR_SLOTNAME;
        goto end;
    } else {
        *nss_slot = PK11_FindSlotByName(slotlabel);
    }

    if (*nss_slot == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_SLOTNAME;
        goto end;
    }

    /*
     * If the token was not yet initialized, return an error.
     */
    if (PK11_NeedUserInit(*nss_slot)) {
        rv = KMF_ERR_UNINITIALIZED_TOKEN;
    }

end:
    return (rv);
}

static KMF_RETURN
nss2kmf_cert(CERTCertificate *nss_cert, KMF_X509_DER_CERT *kmf_cert)
{
    kmf_cert->kmf_private.keystore_type = KMF_KEYSTORE_NSS;
    kmf_cert->kmf_private.flags = KMF_FLAG_CERT_VALID;

    kmf_cert->certificate.Length = nss_cert->derCert.len;

    if ((kmf_cert->certificate.Data = malloc(nss_cert->derCert.len)) ==
        NULL) {
        kmf_cert->certificate.Length = 0;
        return (KMF_ERR_MEMORY);
    }
    (void) memcpy(kmf_cert->certificate.Data, nss_cert->derCert.data,
        nss_cert->derCert.len);
    if (nss_cert->nickname != NULL)
        kmf_cert->kmf_private.label =
            (char *)strdup(nss_cert->nickname);
    return (KMF_OK);
}

static KMF_RETURN
nss_getcert_by_label(KMF_HANDLE *kmfh,
    char *name, KMF_X509_DER_CERT *kmf_cert,
    uint32_t *num_certs, KMF_CERT_VALIDITY find_criteria)
{
    KMF_RETURN rv = KMF_OK;
    CERTCertificate *nss_cert;
    SECCertTimeValidity validity;

    nss_cert = PK11_FindCertFromNickname(name, NULL);
    if (nss_cert == NULL) {
        *num_certs = 0;
        SET_ERROR(kmfh, PORT_GetError());
        *num_certs = 0;
        return (KMF_ERR_CERT_NOT_FOUND);
    } else {
        *num_certs = 1;
    }

    switch (find_criteria) {
    case KMF_ALL_CERTS:
        break;
    case KMF_NONEXPIRED_CERTS:
        validity = CERT_CheckCertValidTimes(nss_cert, PR_Now(),
            PR_FALSE);
        if (validity != secCertTimeValid) {
            /* this is an invalid cert, reject it */
            *num_certs = 0;
            CERT_DestroyCertificate(nss_cert);
            return (KMF_OK);
        }
        break;
    case KMF_EXPIRED_CERTS:
        validity = CERT_CheckCertValidTimes(nss_cert, PR_Now(),
            PR_FALSE);
        if (validity == secCertTimeValid) {
            /* this is a valid cert, reject it in this case. */
            *num_certs = 0;
            CERT_DestroyCertificate(nss_cert);
            return (KMF_OK);
        }
        break;
    default:
        return (KMF_ERR_BAD_PARAMETER);
    }

    if (kmf_cert != NULL)
        rv = nss2kmf_cert(nss_cert, kmf_cert);

    /* We copied the data we need, so cleanup the internal record */
    CERT_DestroyCertificate(nss_cert);

    if (rv != KMF_OK)
        *num_certs = 0;

    return (rv);
}

static KMF_RETURN
nss_find_matching_certs(PK11SlotInfo *slot,
    char *issuer, char *subject, KMF_BIGINT *serial,
    CERTCertList **certlist, KMF_CERT_VALIDITY find_criteria)
{
    KMF_RETURN rv = KMF_OK;
    SECStatus ret;
    CERTCertList *list;
    CERTCertListNode *node;
    KMF_X509_NAME issuerDN, subjectDN;
    boolean_t findIssuer = FALSE;
    boolean_t findSubject = FALSE;
    boolean_t findSerial = FALSE;

    if (issuer != NULL && strlen(issuer)) {
        rv = kmf_dn_parser(issuer,  &issuerDN);
        if (rv != KMF_OK)
            return (rv);
        findIssuer = TRUE;
    }
    if (subject != NULL && strlen(subject)) {
        rv = kmf_dn_parser(subject, &subjectDN);
        if (rv != KMF_OK)
            return (rv);
        findSubject = TRUE;
    }
    if (serial != 0 && serial->val != NULL && serial->len > 0)
        findSerial = TRUE;

    list = PK11_ListCertsInSlot(slot);
    if (list) {
        node = CERT_LIST_HEAD(list);
        while (!CERT_LIST_END(node, list)) {
            KMF_X509_NAME cmpDN;
            KMF_DATA der;
            boolean_t match;
            CERTCertListNode *freenode;

            if (findIssuer) {
                der.Data = node->cert->derIssuer.data;
                der.Length = node->cert->derIssuer.len;
                rv = DerDecodeName(&der, &cmpDN);
                if (rv == KMF_OK) {
                    match = !KMF_CompareRDNs(&issuerDN,
                        &cmpDN);
                    kmf_free_dn(&cmpDN);
                    if (!match)
                        goto delete_and_cont;
                } else {
                    goto delete_and_cont;
                }
            }
            if (findSubject) {
                der.Data = node->cert->derSubject.data;
                der.Length = node->cert->derSubject.len;
                rv = DerDecodeName(&der, &cmpDN);
                if (rv == KMF_OK) {
                    match = !KMF_CompareRDNs(&subjectDN,
                        &cmpDN);
                    kmf_free_dn(&cmpDN);
                    if (!match)
                        goto delete_and_cont;
                } else {
                    goto delete_and_cont;
                }
            }
            if (findSerial) {
                SECItem *sernum;

                sernum = &node->cert->serialNumber;

                if (serial->len != sernum->len)
                    goto delete_and_cont;

                if (memcmp(sernum->data, serial->val,
                    serial->len))
                    goto delete_and_cont;
            }

            /* select the certs using find criteria */
            switch (find_criteria) {
            case KMF_ALL_CERTS:
                break;
            case KMF_NONEXPIRED_CERTS:
                ret = CERT_CertTimesValid(node->cert);
                if (ret == SECFailure) {
                    /* this is an invalid cert */
                    goto skip;
                }
                break;

            case KMF_EXPIRED_CERTS:
                ret = CERT_CertTimesValid(node->cert);
                if (ret != SECFailure) {
                    /* this is a valid cert */
                    goto skip;
                }
                break;
            }
skip:
            node = CERT_LIST_NEXT(node);
            continue;
delete_and_cont:
            freenode = node;
            node = CERT_LIST_NEXT(node);
            CERT_RemoveCertListNode(freenode);
        }
    }

    if (rv == KMF_OK && certlist != NULL) {
        *certlist = list;
    } else {
        CERT_DestroyCertList(list);
    }
    return (rv);
}

static KMF_RETURN
convertCertList(void *kmfhandle,
    CERTCertList *nsscerts, KMF_X509_DER_CERT *kmfcerts,
    uint32_t *numcerts)
{
    KMF_RETURN rv = KMF_OK;
    CERTCertListNode *node;
    uint32_t maxcerts = *numcerts;

    maxcerts = *numcerts;
    if (maxcerts == 0)
        maxcerts = 0xFFFFFFFF;

    *numcerts = 0;

    /*
     * Don't copy more certs than the caller wanted.
     */
    for (node = CERT_LIST_HEAD(nsscerts);
        !CERT_LIST_END(node, nsscerts) && rv == KMF_OK &&
        (*numcerts) < maxcerts;
        node = CERT_LIST_NEXT(node), (*numcerts)++) {
        if (kmfcerts != NULL)
            rv = nss2kmf_cert(node->cert, &kmfcerts[*numcerts]);
    }

    /*
     * If we failed, delete any certs allocated so far.
     */
    if (rv != KMF_OK) {
        int i;
        for (i = 0; i < *numcerts; i++)
            kmf_free_kmf_cert(kmfhandle, &kmfcerts[i]);

        *numcerts = 0;
    }
    return (rv);
}

KMF_RETURN
NSS_FindCert(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    CERTCertList *certlist = NULL;
    uint32_t maxcerts;
    uint32_t *num_certs;
    KMF_X509_DER_CERT *kmfcerts = NULL;
    char *certlabel = NULL;
    char *issuer = NULL;
    char *subject = NULL;
    KMF_BIGINT *serial = NULL;
    KMF_CERT_VALIDITY  validity;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }
    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK)
        return (rv);

    num_certs = kmf_get_attr_ptr(KMF_COUNT_ATTR, attrlist, numattr);
    if (num_certs == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    maxcerts = *num_certs;
    if (maxcerts == 0)
        maxcerts = 0xFFFFFFFF;
    *num_certs = 0;

    /* Get the optional returned certificate list  */
    kmfcerts = kmf_get_attr_ptr(KMF_X509_DER_CERT_ATTR, attrlist, numattr);

    /* Get optional search criteria attributes */
    certlabel = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);
    issuer = kmf_get_attr_ptr(KMF_ISSUER_NAME_ATTR, attrlist, numattr);
    subject = kmf_get_attr_ptr(KMF_SUBJECT_NAME_ATTR, attrlist, numattr);
    serial = kmf_get_attr_ptr(KMF_BIGINT_ATTR, attrlist, numattr);

    rv = kmf_get_attr(KMF_CERT_VALIDITY_ATTR, attrlist, numattr,
        &validity, NULL);
    if (rv != KMF_OK) {
        validity = KMF_ALL_CERTS;
        rv = KMF_OK;
    }

    if (certlabel != NULL) {
        /* This will only find 1 certificate */
        rv = nss_getcert_by_label(kmfh, certlabel, kmfcerts, num_certs,
            validity);
    } else {
        /*
         * Build a list of matching certs.
         */
        rv = nss_find_matching_certs(nss_slot, issuer, subject, serial,
            &certlist, validity);

        /*
         * If the caller supplied a pointer to storage for
         * a list of certs, convert up to 'maxcerts' of the
         * matching certs.
         */
        if (rv == KMF_OK && certlist != NULL) {
            rv = convertCertList(handle, certlist, kmfcerts,
                &maxcerts);
            CERT_DestroyCertList(certlist);
            if (rv == KMF_OK)
                *num_certs = maxcerts;
        }
    }

    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (rv == KMF_OK && *num_certs == 0)
        rv = KMF_ERR_CERT_NOT_FOUND;

    return (rv);
}

void
/*ARGSUSED*/
NSS_FreeKMFCert(KMF_HANDLE_T handle,
    KMF_X509_DER_CERT *kmf_cert)
{
    if (kmf_cert != NULL) {
        if (kmf_cert->certificate.Data != NULL) {
            free(kmf_cert->certificate.Data);
            kmf_cert->certificate.Data = NULL;
            kmf_cert->certificate.Length = 0;
        }
        if (kmf_cert->kmf_private.label != NULL) {
            free(kmf_cert->kmf_private.label);
            kmf_cert->kmf_private.label = NULL;
        }
    }
}

KMF_RETURN
NSS_DeleteCert(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    int nssrv;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    CERTCertificate *cert = NULL;
    PK11SlotInfo *nss_slot = NULL;
    char *certlabel = NULL;
    char *issuer = NULL;
    char *subject = NULL;
    KMF_BIGINT *serial = NULL;
    KMF_CERT_VALIDITY  validity;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }
    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK)
        return (rv);

    /* Get the search criteria attributes.  They are all optional. */
    certlabel = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);
    issuer = kmf_get_attr_ptr(KMF_ISSUER_NAME_ATTR, attrlist, numattr);
    subject = kmf_get_attr_ptr(KMF_SUBJECT_NAME_ATTR, attrlist, numattr);
    serial = kmf_get_attr_ptr(KMF_BIGINT_ATTR, attrlist, numattr);

    rv = kmf_get_attr(KMF_CERT_VALIDITY_ATTR, attrlist, numattr,
        &validity, NULL);
    if (rv != KMF_OK) {
        validity = KMF_ALL_CERTS;
        rv = KMF_OK;
    }

    /* Start finding the matched certificates and delete them. */
    if (certlabel != NULL) {
        cert = PK11_FindCertFromNickname(certlabel, NULL);
        if (cert == NULL) {
            return (KMF_ERR_CERT_NOT_FOUND);
        }

        switch (validity) {
        case KMF_ALL_CERTS:
            break;
        case KMF_NONEXPIRED_CERTS:
            nssrv = CERT_CertTimesValid(cert);
            if (nssrv == SECFailure) {
                /* this is an invalid cert - skip it */
                goto out;
            }
            break;
        case KMF_EXPIRED_CERTS:
            nssrv = CERT_CertTimesValid(cert);
            if (nssrv != SECFailure) {
                /* this is a valid cert - skip it */
                goto out;
            }
            break;
        }
        /* delete it from database */
        nssrv = SEC_DeletePermCertificate(cert);
        if (nssrv) {
            SET_ERROR(kmfh, nssrv);
            rv = KMF_ERR_INTERNAL;
        }
    } else {
        CERTCertListNode *node;
        CERTCertList *certlist = NULL;

        rv = nss_find_matching_certs(nss_slot, issuer, subject, serial,
            &certlist, validity);

        for (node = CERT_LIST_HEAD(certlist);
            !CERT_LIST_END(node, certlist) && rv == KMF_OK;
            node = CERT_LIST_NEXT(node)) {

            nssrv = SEC_DeletePermCertificate(node->cert);
            if (nssrv) {
                SET_ERROR(kmfh, nssrv);
                rv = KMF_ERR_INTERNAL;
            }
        }

        if (rv == KMF_OK && certlist != NULL) {
            CERT_DestroyCertList(certlist);
        } else if (rv == KMF_OK && certlist == NULL) {
            rv = KMF_ERR_CERT_NOT_FOUND;
        }
    }
out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (cert != NULL) {
        CERT_DestroyCertificate(cert);
    }

    return (rv);
}

static void
InitRandom(char *filename)
{
    char buf[2048];
    int fd;
    PRInt32 count;

    fd = open(filename, O_RDONLY);
    if (!fd)
        return;

    count = read(fd, buf, sizeof (buf));
    if (count > 0) {
        (void) PK11_RandomUpdate(buf, count);
    }

    (void) close(fd);
}

KMF_RETURN
NSS_CreateKeypair(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11RSAGenParams rsaparams;
    void *nssparams;
    CK_MECHANISM_TYPE mechanism;
    ulong_t publicExponent = 0x010001;
    PK11SlotInfo *nss_slot = NULL;
    SECKEYPrivateKey *NSSprivkey = NULL;
    SECKEYPublicKey *NSSpubkey = NULL;
    SECKEYECParams *ecparams = NULL;
    PQGParams *pqgParams = NULL;
    KMF_CREDENTIAL cred;
    boolean_t storekey = TRUE;
    uint32_t keylen = 1024, len;
    uint32_t keylen_size = sizeof (uint32_t);
    KMF_KEY_ALG keytype = KMF_RSA;
    KMF_KEY_HANDLE *pubkey = NULL;
    KMF_KEY_HANDLE *privkey = NULL;
    char *keylabel = NULL;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }
    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    rv = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
        (void *)&cred, NULL);
    if (rv != KMF_OK)
        return (rv);

    rv = nss_authenticate(handle, nss_slot, &cred);
    if (rv != KMF_OK) {
        return (rv);
    }

    /* "storekey" is optional. Default is TRUE */
    (void) kmf_get_attr(KMF_STOREKEY_BOOL_ATTR, attrlist, numattr,
        &storekey, NULL);

    /* keytype is optional.  KMF_RSA is default */
    (void) kmf_get_attr(KMF_KEYALG_ATTR, attrlist, numattr,
        (void *)&keytype, NULL);

    rv = kmf_get_attr(KMF_KEYLENGTH_ATTR, attrlist, numattr,
        &keylen, &keylen_size);
    if (rv == KMF_ERR_ATTR_NOT_FOUND)
        /* Default keylen = 1024 */
        rv = KMF_OK;
    else if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    pubkey = kmf_get_attr_ptr(KMF_PUBKEY_HANDLE_ATTR, attrlist, numattr);
    privkey = kmf_get_attr_ptr(KMF_PRIVKEY_HANDLE_ATTR, attrlist, numattr);
    if (pubkey == NULL || privkey == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    (void) memset(pubkey, 0, sizeof (KMF_KEY_HANDLE));
    (void) memset(privkey, 0, sizeof (KMF_KEY_HANDLE));

    rv = kmf_get_attr(KMF_KEYLABEL_ATTR, attrlist, numattr, NULL, &len);
    if (rv == KMF_OK && len > 0) {
        keylabel = malloc(len + 1);
        if (keylabel == NULL)
            return (KMF_ERR_MEMORY);
        /* Now fill in the label value */
        (void) memset(keylabel, 0, len + 1);
        rv = kmf_get_attr(KMF_KEYLABEL_ATTR, attrlist, numattr,
            keylabel, NULL);
        if (rv != KMF_OK) {
            free(keylabel);
            goto cleanup;
        }
    }

    /* Get some random bits */
    InitRandom("/dev/urandom");
    if (keytype == KMF_RSA) {
        KMF_BIGINT rsaexp;

        rsaparams.keySizeInBits = keylen;
        /*
         * NSS only allows for a 4 byte exponent.
         * Ignore the exponent parameter if it is too big.
         */
        if ((rv = kmf_get_attr(KMF_RSAEXP_ATTR, attrlist, numattr,
            &rsaexp, NULL)) == KMF_OK) {
            if (rsaexp.len > 0 &&
                rsaexp.len <= sizeof (publicExponent) &&
                rsaexp.val != NULL) {
                (void) memcpy(&publicExponent, rsaexp.val,
                    rsaexp.len);
            }
        }
        rsaparams.pe = publicExponent;
        mechanism = CKM_RSA_PKCS_KEY_PAIR_GEN;
        nssparams = &rsaparams;
    } else if (keytype == KMF_DSA) {
        PQGVerify *pqgVerify = NULL;
        int ks;
        SECStatus   nssrv, passed;

        mechanism = CKM_DSA_KEY_PAIR_GEN;

        ks = PQG_PBITS_TO_INDEX(keylen);
        nssrv = PK11_PQG_ParamGen(ks, &pqgParams, &pqgVerify);
        if (nssrv != SECSuccess) {
            SET_ERROR(kmfh, rv);
            PK11_PQG_DestroyVerify(pqgVerify);
            rv = KMF_ERR_KEYGEN_FAILED;
            goto cleanup;
        }

        nssrv = PK11_PQG_VerifyParams(pqgParams, pqgVerify, &passed);
        if (nssrv != SECSuccess || passed != SECSuccess) {
            SET_ERROR(kmfh, rv);
            rv = KMF_ERR_KEYGEN_FAILED;
        }

        PK11_PQG_DestroyVerify(pqgVerify);

        if (rv != KMF_OK) {
            SET_ERROR(kmfh, PORT_GetError());
            goto cleanup;
        }

        nssparams = pqgParams;
    } else if (keytype == KMF_ECDSA) {
        KMF_OID *eccoid = kmf_get_attr_ptr(KMF_ECC_CURVE_OID_ATTR,
            attrlist, numattr);
        if (eccoid == NULL)
            return (KMF_ERR_BAD_PARAMETER);

        ecparams = SECITEM_AllocItem(NULL, NULL, (eccoid->Length));
        if (!ecparams)
            return (KMF_ERR_MEMORY);

        (void) memcpy(ecparams->data, eccoid->Data, eccoid->Length);

        mechanism = CKM_EC_KEY_PAIR_GEN;
        nssparams = ecparams;
    } else {
        rv = KMF_ERR_BAD_PARAMETER;
        goto cleanup;
    }

    NSSprivkey = PK11_GenerateKeyPair(nss_slot, mechanism, nssparams,
        &NSSpubkey,
        storekey, /* isPermanent */
        PR_TRUE, /* isSensitive */
        (void *)cred.cred);

    if (NSSprivkey == NULL || NSSpubkey == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_KEYGEN_FAILED;
    } else {
        if (keylabel != NULL && strlen(keylabel)) {
            (void) PK11_SetPrivateKeyNickname(NSSprivkey,
                keylabel);
            (void) PK11_SetPublicKeyNickname(NSSpubkey, keylabel);
        }
        /* Now, convert it to a KMF_KEY object for the framework */
        privkey->kstype = KMF_KEYSTORE_NSS;
        privkey->keyalg = keytype;
        privkey->keyclass = KMF_ASYM_PRI;
        privkey->keylabel = PK11_GetPrivateKeyNickname(NSSprivkey);
        privkey->keyp = (void *)NSSprivkey;

        pubkey->kstype = KMF_KEYSTORE_NSS;
        pubkey->keyalg = keytype;
        pubkey->keyp = (void *)NSSpubkey;
        pubkey->keyclass = KMF_ASYM_PUB;
        pubkey->keylabel = PK11_GetPublicKeyNickname(NSSpubkey);

        rv = KMF_OK;
    }
cleanup:
    if (rv != KMF_OK) {
        if (NSSpubkey)
            (void) PK11_DeleteTokenPublicKey(NSSpubkey);
        if (NSSprivkey)
            (void) PK11_DeleteTokenPrivateKey(NSSprivkey, PR_TRUE);

        privkey->keyp = NULL;
        pubkey->keyp = NULL;
    }

    if (keylabel)
        free(keylabel);

    if (pqgParams != NULL)
        PK11_PQG_DestroyParams(pqgParams);

    if (ecparams != NULL)
        SECITEM_FreeItem(ecparams, PR_TRUE);

    if (nss_slot != NULL)
        PK11_FreeSlot(nss_slot);

    return (rv);
}

KMF_RETURN
NSS_SignData(KMF_HANDLE_T handle, KMF_KEY_HANDLE *key,
    KMF_OID *AlgOID, KMF_DATA *tobesigned,
    KMF_DATA *output)
{
    KMF_RETURN      ret = KMF_OK;
    KMF_ALGORITHM_INDEX AlgId;
    SECOidTag       signAlgTag;
    SECKEYPrivateKey    *NSSprivkey = NULL;
    SECStatus       rv;
    SECItem         signed_data;
    KMF_HANDLE      *kmfh = (KMF_HANDLE *)handle;

    signed_data.data = 0;
    if (key == NULL || AlgOID == NULL ||
        tobesigned == NULL || output == NULL ||
        tobesigned->Data == NULL ||
        output->Data == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    /* Map the OID to a NSS algorithm */
    AlgId = x509_algoid_to_algid(AlgOID);
    if (AlgId == KMF_ALGID_NONE)
        return (KMF_ERR_BAD_PARAMETER);

    NSSprivkey = (SECKEYPrivateKey *)key->keyp;

    if (AlgId == KMF_ALGID_MD5WithRSA)
        signAlgTag = SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_MD2WithRSA)
        signAlgTag = SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_SHA1WithRSA)
        signAlgTag = SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_SHA256WithRSA)
        signAlgTag = SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_SHA384WithRSA)
        signAlgTag = SEC_OID_PKCS1_SHA384_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_SHA512WithRSA)
        signAlgTag = SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION;
    else if (AlgId == KMF_ALGID_SHA1WithDSA)
        signAlgTag = SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST;
    else if (AlgId == KMF_ALGID_SHA1WithECDSA || AlgId == KMF_ALGID_ECDSA)
        signAlgTag = SEC_OID_ANSIX962_ECDSA_SIGNATURE_WITH_SHA1_DIGEST;
    else if (AlgId == KMF_ALGID_SHA256WithECDSA)
        signAlgTag = SEC_OID_ANSIX962_ECDSA_SHA256_SIGNATURE;
    else if (AlgId == KMF_ALGID_SHA384WithECDSA)
        signAlgTag = SEC_OID_ANSIX962_ECDSA_SHA384_SIGNATURE;
    else if (AlgId == KMF_ALGID_SHA512WithECDSA)
        signAlgTag = SEC_OID_ANSIX962_ECDSA_SHA512_SIGNATURE;
    else    /* NSS does not support DSA with SHA2 hashes (FIPS 186-3) */
        return (KMF_ERR_BAD_PARAMETER);

    rv = SEC_SignData(&signed_data, tobesigned->Data,
        tobesigned->Length, NSSprivkey, signAlgTag);

    if (rv != 0) {
        SET_ERROR(kmfh, rv);
        return (KMF_ERR_INTERNAL);
    }

    if (signed_data.len <= output->Length) {
        (void) memcpy(output->Data, signed_data.data, signed_data.len);
        output->Length = signed_data.len;
    } else {
        output->Length = 0;
        ret = KMF_ERR_BAD_PARAMETER;
    }
    free(signed_data.data);

    return (ret);
}

KMF_RETURN
NSS_EncodePubKeyData(KMF_HANDLE_T handle, KMF_KEY_HANDLE *keyp,
    KMF_DATA *encoded)
{
    KMF_RETURN ret = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    SECItem *rvitem;
    CERTSubjectPublicKeyInfo *spki = NULL;

    if (keyp == NULL || encoded == NULL || keyp->keyp == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    spki = SECKEY_CreateSubjectPublicKeyInfo(keyp->keyp);
    if (spki == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        return (KMF_ERR_MEMORY);
    }

    rvitem = SEC_ASN1EncodeItem(NULL, NULL, spki,
        CERT_SubjectPublicKeyInfoTemplate);
    if (rvitem != NULL) {
        encoded->Data = malloc(rvitem->len);
        if (encoded->Data == NULL) {
            ret = KMF_ERR_MEMORY;
        } else {
            (void) memcpy(encoded->Data, rvitem->data, rvitem->len);
            encoded->Length = rvitem->len;
        }
        SECITEM_FreeItem(rvitem, TRUE);
    } else {
        SET_ERROR(kmfh, PORT_GetError());
        encoded->Data = NULL;
        encoded->Length = 0;
        ret = KMF_ERR_ENCODING;
    }
    SECKEY_DestroySubjectPublicKeyInfo(spki);

    return (ret);
}

KMF_RETURN
NSS_DeleteKey(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    PK11SlotInfo *nss_slot = NULL;
    KMF_KEY_HANDLE *key;
    KMF_CREDENTIAL cred;
    boolean_t delete_token = B_TRUE;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }
    /*
     * "delete_token" means to clear it from the token storage as well
     * as from memory.
     */
    key = kmf_get_attr_ptr(KMF_KEY_HANDLE_ATTR, attrlist, numattr);
    if (key == NULL || key->keyp == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    rv = kmf_get_attr(KMF_DESTROY_BOOL_ATTR, attrlist, numattr,
        (void *)&delete_token, NULL);
    if (rv != KMF_OK)
        /* "delete_token" is optional. Default is TRUE */
        rv = KMF_OK;

    if (delete_token) {
        SECStatus nssrv = SECSuccess;
        if (key->keyclass != KMF_ASYM_PUB &&
            key->keyclass != KMF_ASYM_PRI &&
            key->keyclass != KMF_SYMMETRIC)
            return (KMF_ERR_BAD_KEY_CLASS);

        rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
        if (rv != KMF_OK) {
            return (rv);
        }

        rv = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
            (void *)&cred, NULL);
        if (rv != KMF_OK)
            return (KMF_ERR_BAD_PARAMETER);

        rv = nss_authenticate(handle, nss_slot, &cred);
        if (rv != KMF_OK) {
            return (rv);
        }

        if (key->keyclass == KMF_ASYM_PUB) {
            nssrv = PK11_DeleteTokenPublicKey(
                (SECKEYPublicKey *)key->keyp);
        } else if (key->keyclass == KMF_ASYM_PRI) {
            nssrv = PK11_DeleteTokenPrivateKey(
                (SECKEYPrivateKey *)key->keyp, PR_TRUE);
        } else if (key->keyclass == KMF_SYMMETRIC) {
            nssrv = PK11_DeleteTokenSymKey(
                (PK11SymKey *) key->keyp);
            if (nssrv == SECSuccess)
                PK11_FreeSymKey((PK11SymKey *) key->keyp);
        }
        if (nssrv != SECSuccess) {
            SET_ERROR(handle, PORT_GetError());
            rv = KMF_ERR_INTERNAL;
        }
    } else {
        if (key->keyclass == KMF_ASYM_PUB) {
            SECKEY_DestroyPublicKey((SECKEYPublicKey *)key->keyp);
        } else if (key->keyclass == KMF_ASYM_PRI) {
            SECKEY_DestroyPrivateKey((SECKEYPrivateKey *)key->keyp);
        } else if (key->keyclass == KMF_SYMMETRIC) {
            PK11_FreeSymKey((PK11SymKey *) key->keyp);
        } else {
            return (KMF_ERR_BAD_KEY_CLASS);
        }
    }
    key->keyp = NULL;

    return (rv);
}

KMF_RETURN
NSS_GetErrorString(KMF_HANDLE_T handle, char **msgstr)
{
    KMF_RETURN ret = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    char *str;

    /* Get the error string in the default language */
    str = (char *)PR_ErrorToName((PRErrorCode)kmfh->lasterr.errcode);

    if (str != NULL) {
        *msgstr = (char *)strdup(str);
        if ((*msgstr) == NULL)
            ret = KMF_ERR_MEMORY;
    } else {
        *msgstr = NULL;
    }

    return (ret);
}

KMF_RETURN
NSS_FindPrikeyByCert(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    KMF_CREDENTIAL cred;
    KMF_KEY_HANDLE *key = NULL;
    KMF_DATA *cert = NULL;
    CERTCertificate *nss_cert = NULL;
    SECKEYPrivateKey* privkey = NULL;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK)
        return (rv);

    /* Get the credential */
    rv = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
        (void *)&cred, NULL);
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);
    rv = nss_authenticate(handle, nss_slot, &cred);
    if (rv != KMF_OK)
        return (rv);

    /* Get the key handle */
    key = kmf_get_attr_ptr(KMF_KEY_HANDLE_ATTR, attrlist, numattr);
    if (key == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    /* Get the cert data and decode it */
    cert = kmf_get_attr_ptr(KMF_CERT_DATA_ATTR, attrlist, numattr);
    if (cert == NULL || cert->Data == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    nss_cert = CERT_DecodeCertFromPackage((char *)cert->Data,
        cert->Length);
    if (nss_cert == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        return (KMF_ERR_BAD_CERT_FORMAT);
    }

    privkey = PK11_FindPrivateKeyFromCert(nss_slot, nss_cert, NULL);
    if (privkey == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        return (KMF_ERR_KEY_NOT_FOUND);
    }

    key->kstype = KMF_KEYSTORE_NSS;
    key->keyclass = KMF_ASYM_PRI;
    key->keyp = (void *)privkey;
    key->keylabel = PK11_GetPrivateKeyNickname(privkey);

    CERT_DestroyCertificate(nss_cert);

    return (KMF_OK);
}


KMF_RETURN
NSS_DecryptData(KMF_HANDLE_T handle, KMF_KEY_HANDLE *key,
    KMF_OID *AlgOID, KMF_DATA *ciphertext,
    KMF_DATA *output)
{
    KMF_RETURN      ret = KMF_OK;
    SECKEYPrivateKey    *NSSprivkey = NULL;
    SECStatus       rv;
    KMF_HANDLE      *kmfh = (KMF_HANDLE *)handle;
    unsigned int in_len = 0, out_len = 0;
    unsigned int total_decrypted = 0, modulus_len = 0;
    uint8_t *in_data, *out_data;
    int i, blocks;

    if (key == NULL || AlgOID == NULL ||
        ciphertext == NULL || output == NULL ||
        ciphertext->Data == NULL ||
        output->Data == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    NSSprivkey = (SECKEYPrivateKey *)key->keyp;
    modulus_len = PK11_GetPrivateModulusLen(NSSprivkey);

    blocks = ciphertext->Length/modulus_len;
    out_data = output->Data;
    in_data = ciphertext->Data;
    out_len = modulus_len - 11;
    in_len = modulus_len;

    for (i = 0; i < blocks; i++) {
        rv = PK11_PrivDecryptPKCS1(NSSprivkey, out_data,
            &out_len, ciphertext->Length, in_data, in_len);

        if (rv != 0) {
            SET_ERROR(kmfh, rv);
            return (KMF_ERR_INTERNAL);
        }

        out_data += out_len;
        total_decrypted += out_len;
        in_data += in_len;
    }

    output->Length = total_decrypted;

    return (ret);
}

static KMF_KEY_ALG
pk11keytype2kmf(CK_KEY_TYPE type)
{
    switch (type) {
    case CKK_RSA:
        return (KMF_RSA);
    case CKK_DSA:
        return (KMF_RSA);
    case CKK_AES:
        return (KMF_AES);
    case CKK_RC4:
        return (KMF_RC4);
    case CKK_DES:
        return (KMF_DES);
    case CKK_DES3:
        return (KMF_DES3);
    case CKK_EC:
        return (KMF_ECDSA);
    default:
        /* not supported */
        return (KMF_KEYALG_NONE);
    }
}

KMF_RETURN
NSS_FindKey(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv;
    SECKEYPrivateKeyList *prilist;
    SECKEYPrivateKeyListNode *prinode;
    SECKEYPublicKeyList *publist;
    SECKEYPublicKeyListNode *pubnode;
    PK11SlotInfo *nss_slot = NULL;
    PK11SymKey *symlist = NULL;
    int count;
    uint32_t maxkeys;
    KMF_KEY_HANDLE *keys;
    uint32_t *numkeys;
    KMF_CREDENTIAL *cred = NULL;
    KMF_KEY_CLASS keyclass;
    char *findLabel;
    char *nick;
    int match = 0;
    KMF_KEY_ALG keytype = KMF_KEYALG_NONE;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    numkeys = kmf_get_attr_ptr(KMF_COUNT_ATTR, attrlist, numattr);
    if (numkeys == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    /* It is OK if this is NULL, we dont need a cred to find public keys */
    cred = kmf_get_attr_ptr(KMF_CREDENTIAL_ATTR, attrlist, numattr);

    if (cred != NULL) {
        rv = nss_authenticate(handle, nss_slot, cred);
        if (rv != KMF_OK) {
            return (rv);
        }
    }

    maxkeys = *numkeys;
    if (maxkeys == 0)
        maxkeys = 0xFFFFFFFF;
    *numkeys = 0;

    rv = kmf_get_attr(KMF_KEYCLASS_ATTR, attrlist, numattr,
        (void *)&keyclass, NULL);
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    findLabel = kmf_get_attr_ptr(KMF_KEYLABEL_ATTR, attrlist, numattr);

    if (keyclass == KMF_ASYM_PUB) {
        publist = PK11_ListPublicKeysInSlot(nss_slot, findLabel);
        if (publist == NULL) {
            rv = KMF_ERR_KEY_NOT_FOUND;
            goto cleanup;
        }
    } else if (keyclass == KMF_ASYM_PRI) {
        prilist = PK11_ListPrivKeysInSlot(nss_slot, findLabel, NULL);
        if (prilist == NULL) {
            rv = KMF_ERR_KEY_NOT_FOUND;
            goto cleanup;
        }
    } else if (keyclass == KMF_SYMMETRIC) {
        symlist = PK11_ListFixedKeysInSlot(nss_slot, findLabel, NULL);
        if (symlist == NULL) {
            rv = KMF_ERR_KEY_NOT_FOUND;
            goto cleanup;
        }
    } else {
        rv = KMF_ERR_BAD_KEY_CLASS;
        goto cleanup;
    }

    keys = kmf_get_attr_ptr(KMF_KEY_HANDLE_ATTR, attrlist, numattr);
    /* it is okay to have "keys" contains NULL */

    if (keyclass == KMF_ASYM_PUB) {
        for (count = 0, pubnode = PUBKEY_LIST_HEAD(publist);
            !PUBKEY_LIST_END(pubnode, publist) && count < maxkeys;
            pubnode = PUBKEY_LIST_NEXT(pubnode)) {
            match = 0;
            /*
             * Due to bug in NSS, we have to manually match
             * the labels to be sure we have a match.
             */
            nick = PK11_GetPublicKeyNickname(pubnode->key);
            if (findLabel) {
                match = (nick &&
                    (strcmp(nick, findLabel) == 0));
            } else {
                /* always match if findLabel is NULL */
                match = 1;
            }
            if (keys != NULL && match) {
                keys[count].kstype = KMF_KEYSTORE_NSS;
                keys[count].keyclass = KMF_ASYM_PUB;
                keys[count].keyp = (void *)pubnode->key;
                keys[count].keylabel = nick;

                if (pubnode->key->keyType == rsaKey)
                    keys[count].keyalg = KMF_RSA;
                else if (pubnode->key->keyType == dsaKey)
                    keys[count].keyalg = KMF_DSA;
                else if (pubnode->key->keyType == ecKey)
                    keys[count].keyalg = KMF_ECDSA;
            }
            if (match)
                count++;
        }
        *numkeys = count;
    } else if (keyclass == KMF_ASYM_PRI) {
        for (count = 0, prinode = PRIVKEY_LIST_HEAD(prilist);
            !PRIVKEY_LIST_END(prinode, prilist) && count < maxkeys;
            prinode = PRIVKEY_LIST_NEXT(prinode)) {
            match = 0;
            /*
             * Due to bug in NSS, we have to manually match
             * the labels to be sure we have a match.
             */
            nick = PK11_GetPrivateKeyNickname(prinode->key);
            if (findLabel) {
                match = (nick &&
                    (strcmp(nick, findLabel) == 0));
            } else {
                /* always match if findLabel is NULL */
                match = 1;
            }
            if (keys != NULL && match) {
                keys[count].kstype = KMF_KEYSTORE_NSS;
                keys[count].keyclass = KMF_ASYM_PRI;
                keys[count].keyp = (void *)prinode->key;
                keys[count].keylabel = nick;

                if (prinode->key->keyType == rsaKey)
                    keys[count].keyalg = KMF_RSA;
                else if (prinode->key->keyType == dsaKey)
                    keys[count].keyalg = KMF_DSA;
                else if (prinode->key->keyType == ecKey)
                    keys[count].keyalg = KMF_ECDSA;
            }
            if (match)
                count++;
        }
        *numkeys = count;
    } else if (keyclass == KMF_SYMMETRIC) {
        count = 0;
        rv = kmf_get_attr(KMF_KEYALG_ATTR, attrlist, numattr,
            (void *)&keytype, NULL);
        if (rv != KMF_OK)
            rv = KMF_OK;
        while (symlist && count < maxkeys) {
            PK11SymKey *symkey = symlist;
            CK_KEY_TYPE type;
            KMF_KEY_ALG keyalg;

            match = 0;
            type = PK11_GetSymKeyType(symkey);
            keyalg = pk11keytype2kmf(type);

            symlist = PK11_GetNextSymKey(symkey);

            /*
             * If keytype is specified in the searching parameter,
             * check the keytype and skip the key if its keytype
             * doesn't match.
             */
            if (keytype != KMF_KEYALG_NONE && keytype != keyalg) {
                /* free that key since we arent using it */
                PK11_FreeSymKey(symkey);
                continue;
            }
            /*
             * Due to bug in NSS, we have to manually match
             * the labels to be sure we have a match.
             */
            nick = PK11_GetSymKeyNickname(symkey);
            if (findLabel) {
                match = (nick &&
                    (strcmp(nick, findLabel) == 0));
            } else {
                /* always match if findLabel is NULL */
                match = 1;
            }

            if (keys != NULL && match) {
                keys[count].kstype = KMF_KEYSTORE_NSS;
                keys[count].keyclass = KMF_SYMMETRIC;
                keys[count].keyp = (void *) symkey;
                keys[count].keylabel = nick;
                keys[count].keyalg = keyalg;
            } else {
                PK11_FreeSymKey(symkey);
            }
            if (match)
                count++;
        }
        /*
         * Cleanup memory for unused keys.
         */
        while (symlist != NULL) {
            PK11SymKey *symkey = symlist;

            PK11_FreeSymKey(symkey);
            symlist = PK11_GetNextSymKey(symkey);
        }
        *numkeys = count;
    }

cleanup:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    return (rv);
}

static SECStatus
p12u_SwapUnicodeBytes(SECItem *uniItem)
{
    unsigned int i;
    unsigned char a;
    if ((uniItem == NULL) || (uniItem->len % 2)) {
        return (SECFailure);
        }
    for (i = 0; i < uniItem->len; i += 2) {
        a = uniItem->data[i];
        uniItem->data[i] = uniItem->data[i+1];
        uniItem->data[i+1] = a;
    }
    return (SECSuccess);
}

static PRBool
p12u_ucs2_ascii_conversion_function(
    PRBool      toUnicode,
    unsigned char   *inBuf,
    unsigned int    inBufLen,
    unsigned char   *outBuf,
    unsigned int    maxOutBufLen,
    unsigned int    *outBufLen,
    PRBool      swapBytes)
{
    SECItem it = { 0 };
    SECItem *dup = NULL;
    PRBool ret;

    it.data = inBuf;
    it.len = inBufLen;
    dup = SECITEM_DupItem(&it);
    /*
     * If converting Unicode to ASCII, swap bytes before conversion
     * as neccessary.
     */
    if (!toUnicode && swapBytes) {
        if (p12u_SwapUnicodeBytes(dup) != SECSuccess) {
            SECITEM_ZfreeItem(dup, PR_TRUE);
            return (PR_FALSE);
        }
    }
    /* Perform the conversion. */
    ret = PORT_UCS2_UTF8Conversion(toUnicode, dup->data, dup->len,
        outBuf, maxOutBufLen, outBufLen);
    if (dup)
        SECITEM_ZfreeItem(dup, PR_TRUE);

    return (ret);
}

static PRBool
p12u_OpenFile(p12uContext *p12ctx, PRBool fileRead)
{
    if (!p12ctx || !p12ctx->filename) {
        return (PR_FALSE);
    }

    if (fileRead) {
        p12ctx->file = PR_Open(p12ctx->filename, PR_RDONLY, 0400);
    } else {
        p12ctx->file = PR_Open(p12ctx->filename,
            PR_CREATE_FILE | PR_RDWR | PR_TRUNCATE, 0600);
    }

    if (!p12ctx->file) {
        p12ctx->error = PR_TRUE;
        return (PR_FALSE);
    }

    return (PR_TRUE);
}

static void
p12u_DestroyContext(p12uContext **ppCtx, PRBool removeFile)
{
    if (!ppCtx || !(*ppCtx)) {
        return;
    }

    if ((*ppCtx)->file != NULL) {
        (void) PR_Close((*ppCtx)->file);
    }

    if ((*ppCtx)->filename != NULL) {
        if (removeFile) {
            (void) PR_Delete((*ppCtx)->filename);
        }
        free((*ppCtx)->filename);
    }

    free(*ppCtx);
    *ppCtx = NULL;
}

static p12uContext *
p12u_InitContext(PRBool fileImport, char *filename)
{
    p12uContext *p12ctx;

    p12ctx = PORT_ZNew(p12uContext);
    if (!p12ctx) {
        return (NULL);
    }

    p12ctx->error = PR_FALSE;
    p12ctx->errorValue = 0;
    p12ctx->filename = strdup(filename);

    if (!p12u_OpenFile(p12ctx, fileImport)) {
        p12u_DestroyContext(&p12ctx, PR_FALSE);
        return (NULL);
    }

    return (p12ctx);
}

static void
p12u_WriteToExportFile(void *arg, const char *buf, unsigned long len)
{
    p12uContext *p12cxt = arg;
    int writeLen;

    if (!p12cxt || (p12cxt->error == PR_TRUE)) {
        return;
    }

    if (p12cxt->file == NULL) {
        p12cxt->errorValue = SEC_ERROR_PKCS12_UNABLE_TO_WRITE;
        p12cxt->error = PR_TRUE;
        return;
    }

    writeLen = PR_Write(p12cxt->file, (unsigned char *)buf, (int32)len);

    if (writeLen != (int)len) {
        (void) PR_Close(p12cxt->file);
        free(p12cxt->filename);
        p12cxt->filename = NULL;
        p12cxt->file = NULL;
        p12cxt->errorValue = SEC_ERROR_PKCS12_UNABLE_TO_WRITE;
        p12cxt->error = PR_TRUE;
    }
}

#define HANDLE_NSS_ERROR(r) {\
    SET_ERROR(kmfh, PORT_GetError()); \
    rv = r; \
    goto out; }

static KMF_RETURN
add_cert_to_bag(SEC_PKCS12ExportContext *p12ecx,
    CERTCertificate *cert, SECItem *pwitem)
{
    KMF_RETURN rv = KMF_OK;
    SEC_PKCS12SafeInfo *keySafe = NULL, *certSafe = NULL;

    keySafe = SEC_PKCS12CreateUnencryptedSafe(p12ecx);
    if (PK11_IsFIPS()) {
        certSafe = keySafe;
    } else {
        certSafe = SEC_PKCS12CreatePasswordPrivSafe(p12ecx, pwitem,
            SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC);
    }

    if (!certSafe || !keySafe) {
        rv = KMF_ERR_INTERNAL;
        goto out;
    }

    if (SEC_PKCS12AddCertAndKey(p12ecx, certSafe, NULL, cert,
        CERT_GetDefaultCertDB(), keySafe, NULL, PR_TRUE, pwitem,
        SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC)
        != SECSuccess) {
        rv = KMF_ERR_INTERNAL;
    }
out:
    return (rv);
}

KMF_RETURN
NSS_ExportPK12(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv;
    KMF_HANDLE *kmfh = (KMF_HANDLE  *)handle;
    SEC_PKCS12ExportContext *p12ecx = NULL;
    p12uContext *p12ctx = NULL;
    CERTCertList *certlist = NULL;
    CERTCertificate *nsscert = NULL;
    CERTCertListNode* node = NULL;
    PK11SlotInfo    *slot = NULL;
    SECItem pwitem = {NULL, 0};
    KMF_CREDENTIAL *cred = NULL;
    KMF_CREDENTIAL *p12cred = NULL;
    char *certlabel = NULL;
    char *issuer = NULL;
    char *subject = NULL;
    KMF_BIGINT *serial = NULL;
    char *filename = NULL;

    if (kmfh == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &slot);
    if (rv != KMF_OK)
        return (rv);

    cred = kmf_get_attr_ptr(KMF_CREDENTIAL_ATTR, attrlist, numattr);
    if (cred == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    rv = nss_authenticate(handle, slot, cred);
    if (rv != KMF_OK)
        return (rv);

    p12cred = kmf_get_attr_ptr(KMF_PK12CRED_ATTR, attrlist, numattr);
    if (p12cred  == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    filename = kmf_get_attr_ptr(KMF_OUTPUT_FILENAME_ATTR, attrlist,
        numattr);
    if (filename == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    /* Get optional search criteria attributes */
    certlabel = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);
    issuer = kmf_get_attr_ptr(KMF_ISSUER_NAME_ATTR, attrlist, numattr);
    subject = kmf_get_attr_ptr(KMF_SUBJECT_NAME_ATTR, attrlist, numattr);
    serial = kmf_get_attr_ptr(KMF_BIGINT_ATTR, attrlist, numattr);

    /*
     * Find the certificate(s) first.
     */
    if (certlabel != NULL) {
        nsscert = PK11_FindCertFromNickname(certlabel, NULL);
        if (nsscert == NULL) {
            HANDLE_NSS_ERROR(KMF_ERR_CERT_NOT_FOUND)
        }
    } else {
        rv = nss_find_matching_certs(slot, issuer, subject, serial,
            &certlist, 0);

        if (rv == KMF_OK && certlist == NULL) {
            return (KMF_ERR_CERT_NOT_FOUND);
        }
        if (rv != KMF_OK)
            return (rv);
    }

    /*
     * The KMF_CREDENTIAL holds the password to use for
     * encrypting the PKCS12 key information.
     */
    pwitem.data = (uchar_t *)p12cred->cred;
    pwitem.len = p12cred->credlen;

    p12ctx = p12u_InitContext(PR_FALSE, filename);
    if (!p12ctx) {
        HANDLE_NSS_ERROR(KMF_ERR_OPEN_FILE)
    }

    PORT_SetUCS2_ASCIIConversionFunction(
        p12u_ucs2_ascii_conversion_function);

    p12ecx = SEC_PKCS12CreateExportContext(NULL, NULL, slot, NULL);
    if (!p12ecx) {
        HANDLE_NSS_ERROR(KMF_ERR_OPEN_FILE)
    }

    if (SEC_PKCS12AddPasswordIntegrity(p12ecx, &pwitem, SEC_OID_SHA1)
        != SECSuccess) {
        HANDLE_NSS_ERROR(KMF_ERR_INTERNAL)
    }

    /*
     * NSS actually supports storing a list of keys and certs
     * in the PKCS#12 PDU.  Nice feature.
     */
    if (certlist != NULL) {
        for (node = CERT_LIST_HEAD(certlist);
            !CERT_LIST_END(node, certlist) && rv == KMF_OK;
            node = CERT_LIST_NEXT(node)) {
            rv = add_cert_to_bag(p12ecx, node->cert, &pwitem);
        }
    } else if (nsscert != NULL) {
        rv = add_cert_to_bag(p12ecx, nsscert, &pwitem);
    }

    if (SEC_PKCS12Encode(p12ecx, p12u_WriteToExportFile, p12ctx)
        != SECSuccess) {
        HANDLE_NSS_ERROR(KMF_ERR_ENCODING)
    }
out:
    if (nsscert)
        CERT_DestroyCertificate(nsscert);

    if (certlist)
        CERT_DestroyCertList(certlist);

    if (p12ctx)
        p12u_DestroyContext(&p12ctx, PR_FALSE);

    if (p12ecx)
        SEC_PKCS12DestroyExportContext(p12ecx);

    return (rv);
}

#define SETATTR(t, n, atype, value, size) \
    t[n].type = atype; \
    t[n].pValue = (CK_BYTE *)value; \
    t[n].ulValueLen = (CK_ULONG)size;

KMF_RETURN
NSS_CreateSymKey(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    PK11SymKey *nsskey = NULL;
    CK_MECHANISM_TYPE keyType;
    SECStatus nssrv;
    int keySize;
    KMF_KEY_HANDLE *symkey;
    KMF_CREDENTIAL cred;
    uint32_t keylen;
    uint32_t keylen_size = sizeof (uint32_t);
    KMF_KEY_ALG keytype;
    char *keylabel = NULL;

    if (kmfh == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    symkey = kmf_get_attr_ptr(KMF_KEY_HANDLE_ATTR, attrlist, numattr);
    if (symkey == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    rv = kmf_get_attr(KMF_KEYALG_ATTR, attrlist, numattr, (void *)&keytype,
        NULL);
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    rv = kmf_get_attr(KMF_KEYLENGTH_ATTR, attrlist, numattr, &keylen,
        &keylen_size);
    if (rv == KMF_ERR_ATTR_NOT_FOUND &&
        (keytype == KMF_DES || keytype == KMF_DES3))
        /* keylength is not required for DES and 3DES */
        rv = KMF_OK;
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    keylabel = kmf_get_attr_ptr(KMF_KEYLABEL_ATTR, attrlist, numattr);
    if (keylabel == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    switch (keytype) {
    case KMF_AES:
        keyType = CKM_AES_KEY_GEN;
        keySize = keylen;
        if (keySize == 0 || (keySize % 8) != 0)
            return (KMF_ERR_BAD_KEY_SIZE);
        break;
    case KMF_RC4:
        keyType = CKM_RC4_KEY_GEN;
        keySize = keylen;
        if (keySize == 0 || (keySize % 8) != 0)
            return (KMF_ERR_BAD_KEY_SIZE);
        break;
    case KMF_DES:
        keyType = CKM_DES_KEY_GEN;
        keySize = 0; /* required by PK11_TokenKeyGen()  */
        break;
    case KMF_DES3:
        keyType = CKM_DES3_KEY_GEN;
        keySize = 0; /* required by PK11_TokenKeyGen() */
        break;
    case KMF_GENERIC_SECRET:
        keyType = CKM_GENERIC_SECRET_KEY_GEN;
        keySize = keylen;
        if (keySize == 0 || (keySize % 8) != 0)
            return (KMF_ERR_BAD_KEY_SIZE);
        break;
    default:
        rv = KMF_ERR_BAD_KEY_TYPE;
        goto out;
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    rv = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
        (void *)&cred, NULL);
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    rv = nss_authenticate(handle, nss_slot, &cred);
    if (rv != KMF_OK) {
        return (rv);
    }

    /* convert key length to bytes */
    nsskey = PK11_TokenKeyGen(nss_slot, keyType, NULL, keySize / 8,  NULL,
        PR_TRUE, (void *)cred.cred);
    if (nsskey == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_KEYGEN_FAILED;
        goto out;
    }

    nssrv = PK11_SetSymKeyNickname(nsskey, keylabel);
    if (nssrv != SECSuccess) {
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_KEYGEN_FAILED;
        goto out;
    }

    symkey->kstype = KMF_KEYSTORE_NSS;
    symkey->keyalg = keytype;
    symkey->keyclass = KMF_SYMMETRIC;
    symkey->israw = FALSE;
    symkey->keyp = (void *)nsskey;

out:
    if (nss_slot != NULL)
        PK11_FreeSlot(nss_slot);

    if (rv != KMF_OK && nsskey != NULL) {
        (void) PK11_DeleteTokenSymKey(nsskey);
        PK11_FreeSymKey(nsskey);
    }
    return (rv);
}

KMF_RETURN
NSS_GetSymKeyValue(KMF_HANDLE_T handle, KMF_KEY_HANDLE *symkey,
    KMF_RAW_SYM_KEY *rkey)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    SECItem *value = NULL;
    PK11SymKey *nsskey;
    SECStatus nss_rv;

    if (kmfh == NULL)
        return (KMF_ERR_UNINITIALIZED);

    if (symkey == NULL || rkey == NULL)
        return (KMF_ERR_BAD_PARAMETER);
    else if (symkey->keyclass != KMF_SYMMETRIC)
        return (KMF_ERR_BAD_KEY_CLASS);

    if (symkey->israw) {
        KMF_RAW_KEY_DATA *rawkey = (KMF_RAW_KEY_DATA *)symkey->keyp;

        if (rawkey == NULL ||
            rawkey->rawdata.sym.keydata.val == NULL ||
            rawkey->rawdata.sym.keydata.len == 0)
            return (KMF_ERR_BAD_KEYHANDLE);

        rkey->keydata.len = rawkey->rawdata.sym.keydata.len;
        if ((rkey->keydata.val = malloc(rkey->keydata.len)) == NULL)
            return (KMF_ERR_MEMORY);
        (void) memcpy(rkey->keydata.val,
            rawkey->rawdata.sym.keydata.val, rkey->keydata.len);
    } else {
        nsskey = (PK11SymKey *)(symkey->keyp);
        if (nsskey == NULL)
            return (KMF_ERR_BAD_KEYHANDLE);

        nss_rv = PK11_ExtractKeyValue(nsskey);
        if (nss_rv != SECSuccess) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_GETKEYVALUE_FAILED;
            goto out;
        }

        value = PK11_GetKeyData(nsskey);
        if (value == NULL) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_GETKEYVALUE_FAILED;
            goto out;
        }

        if (value->len == 0 || value->data == NULL) {
            rv = KMF_ERR_GETKEYVALUE_FAILED;
            goto out;
        }

        rkey->keydata.val = malloc(value->len);
        if (rkey->keydata.val == NULL) {
            rv = KMF_ERR_MEMORY;
            goto out;
        }
        (void) memcpy(rkey->keydata.val, value->data, value->len);
        rkey->keydata.len = value->len;
        (void) memset(value->data, 0, value->len);
    }
out:
    if (value != NULL)
        SECITEM_FreeItem(value, PR_TRUE);
    return (rv);
}

KMF_RETURN
NSS_SetTokenPin(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN ret = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    int rv;
    PK11SlotInfo *nss_slot = NULL;
    KMF_CREDENTIAL oldcred, newcred;

    if (handle == NULL || attrlist == NULL || numattr == 0)
        return (KMF_ERR_BAD_PARAMETER);

    ret = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
        (void *)&oldcred, NULL);
    if (ret != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);
    ret = kmf_get_attr(KMF_NEWPIN_ATTR, attrlist, numattr,
        (void *)&newcred, NULL);
    if (ret != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    ret = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    /* If it was uninitialized, set it */
    if (ret == KMF_ERR_UNINITIALIZED_TOKEN) {
        rv = PK11_InitPin(nss_slot, NULL, newcred.cred);
        if (rv != SECSuccess) {
            SET_ERROR(kmfh, PORT_GetError());
            ret = KMF_ERR_AUTH_FAILED;
        } else {
            ret = KMF_OK;
        }
    } else if (ret == KMF_OK) {
        ret = nss_authenticate(handle, nss_slot, &oldcred);
        if (ret != KMF_OK) {
            return (ret);
        }
        rv = PK11_ChangePW(nss_slot, oldcred.cred, newcred.cred);
        if (rv != SECSuccess) {
            SET_ERROR(kmfh, PORT_GetError());
            ret = KMF_ERR_AUTH_FAILED;
        }
    }

    return (ret);
}

KMF_RETURN
NSS_StoreKey(KMF_HANDLE_T handle,
    int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    KMF_CREDENTIAL cred = {NULL, 0};
    KMF_KEY_HANDLE *pubkey = NULL, *prikey = NULL;
    KMF_RAW_KEY_DATA *rawkey = NULL;
    char *keylabel = NULL;
    SECStatus ckrv = SECSuccess;
    SECItem nickname = {NULL, 0};
    CERTCertificate *nss_cert = NULL;

    if (kmfh == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    rv = kmf_get_attr(KMF_CREDENTIAL_ATTR, attrlist, numattr,
        (void *)&cred, NULL);
    if (rv != KMF_OK)
        return (KMF_ERR_BAD_PARAMETER);

    rv = nss_authenticate(handle, nss_slot, &cred);
    if (rv != KMF_OK) {
        return (rv);
    }

    pubkey = kmf_get_attr_ptr(KMF_PUBKEY_HANDLE_ATTR, attrlist, numattr);
    if (pubkey == NULL) {
        /* look for private key */
        prikey = kmf_get_attr_ptr(KMF_PRIVKEY_HANDLE_ATTR, attrlist,
            numattr);
        if (prikey == NULL)
            /* look for raw key */
            rawkey = kmf_get_attr_ptr(KMF_RAW_KEY_ATTR,
                attrlist, numattr);
    }

    /* If no keys were found, return error */
    if (pubkey == NULL && prikey == NULL && rawkey == NULL)
        return (KMF_ERR_ATTR_NOT_FOUND);

    keylabel = kmf_get_attr_ptr(KMF_KEYLABEL_ATTR, attrlist, numattr);
    if (keylabel != NULL) {
        nickname.data = (uchar_t *)keylabel;
        nickname.len = strlen(keylabel);
    }

    if (rawkey != NULL) {
        uchar_t ver = 0;
        SECKEYPrivateKeyInfo rpk;
        KMF_DATA derkey = {NULL, 0};
        KMF_DATA *cert;

        cert = kmf_get_attr_ptr(KMF_CERT_DATA_ATTR, attrlist, numattr);
        if (cert == NULL)
            return (rv);
        /*
         * Decode the cert into an NSS CERT object so we can access the
         * SPKI and KeyUsage data later.
         */
        nss_cert = CERT_DecodeCertFromPackage((char *)cert->Data,
            cert->Length);

        if (nss_cert == NULL) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_BAD_CERT_FORMAT;
            goto cleanup;
        }

        (void) memset(&rpk, 0, sizeof (rpk));
        rpk.arena = NULL;
        rpk.version.type = siUnsignedInteger;
        rpk.version.data = &ver;
        rpk.version.len = 1;
        if (rawkey->keytype == KMF_RSA) {
            rv = DerEncodeRSAPrivateKey(&derkey,
                &rawkey->rawdata.rsa);
            if (rv != KMF_OK)
                goto cleanup;
        } else if (rawkey->keytype == KMF_DSA) {
            rv = DerEncodeDSAPrivateKey(&derkey,
                &rawkey->rawdata.dsa);
            if (rv != KMF_OK)
                goto cleanup;
        } else if (rawkey->keytype == KMF_ECDSA) {
            rv = DerEncodeECPrivateKey(&derkey,
                &rawkey->rawdata.ec);
            if (rv != KMF_OK)
                goto cleanup;
        }
        rpk.algorithm = nss_cert->subjectPublicKeyInfo.algorithm;
        rpk.privateKey.data = derkey.Data;
        rpk.privateKey.len = derkey.Length;
        rpk.attributes = NULL;

        ckrv = PK11_ImportPrivateKeyInfo(nss_slot, &rpk, &nickname,
            &nss_cert->subjectPublicKeyInfo.subjectPublicKey, TRUE,
            TRUE, nss_cert->keyUsage, NULL);
        if (ckrv != CKR_OK) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_INTERNAL;
        }
        kmf_free_data(&derkey);
    } else if (pubkey != NULL && pubkey->kstype == KMF_KEYSTORE_NSS) {
        CK_OBJECT_HANDLE pk;
        SECKEYPublicKey *publicKey = (SECKEYPublicKey *) pubkey->keyp;

        pk = PK11_ImportPublicKey(nss_slot, publicKey, PR_TRUE);
        if (pk == CK_INVALID_HANDLE) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_INTERNAL;
        }
    } else if (prikey != NULL && prikey->kstype == KMF_KEYSTORE_NSS) {
        SECKEYPrivateKey *pk;
        SECKEYPrivateKey *privKey = (SECKEYPrivateKey *) prikey->keyp;

        pk = PK11_LoadPrivKey(nss_slot, privKey, NULL, PR_TRUE,
            PR_TRUE);
        if (pk == CK_INVALID_HANDLE) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_INTERNAL;
        }
        /* We stored it, but don't need the handle anymore */
        SECKEY_DestroyPrivateKey(pk);
    }

cleanup:
    if (nss_cert != NULL)
        CERT_DestroyCertificate(nss_cert);
    PK11_FreeSlot(nss_slot);
    return (rv);
}

/*
 * This function is called by NSS_StoreCert() and NSS_ImportCert().
 * The "label" and "trust_flag" arguments can be NULL.
 */
static KMF_RETURN
store_cert(KMF_HANDLE_T handle, PK11SlotInfo *nss_slot, KMF_DATA *cert,
    char *label, char *trust_flag)
{
    KMF_RETURN ret = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    SECStatus nss_rv;
    CERTCertDBHandle *certHandle = CERT_GetDefaultCertDB();
    CERTCertificate *nss_cert = NULL;
    CERTCertTrust *nss_trust = NULL;

    if (nss_slot == NULL || cert == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    nss_cert = CERT_DecodeCertFromPackage((char *)cert->Data,
        cert->Length);
    if (nss_cert == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        ret = KMF_ERR_BAD_CERT_FORMAT;
        goto out;
    }

    /* Store the cert into the NSS database */
    nss_rv = PK11_ImportCert(nss_slot, nss_cert, CK_INVALID_HANDLE,
        label, 0);
    if (nss_rv) {
        SET_ERROR(kmfh, nss_rv);
        ret = KMF_ERR_BAD_CERT_FORMAT;
        goto out;
    }

    /* If trust_flag is NULL, then we are done */
    if (trust_flag == NULL)
        goto out;

    nss_trust = (CERTCertTrust *) malloc(sizeof (CERTCertTrust));
    if (nss_trust == NULL) {
        ret = KMF_ERR_MEMORY;
        goto out;
    }

    nss_rv = CERT_DecodeTrustString(nss_trust, trust_flag);
    if (nss_rv) {
        SET_ERROR(kmfh, nss_rv);
        ret = KMF_ERR_BAD_PARAMETER;
        goto out;
    }

    nss_rv = CERT_ChangeCertTrust(certHandle, nss_cert, nss_trust);
    if (nss_rv) {
        SET_ERROR(kmfh, nss_rv);
        ret = KMF_ERR_BAD_PARAMETER;
    }

out:
    if (nss_cert != NULL) {
        CERT_DestroyCertificate(nss_cert);
    }

    if (nss_trust != NULL) {
        free(nss_trust);
    }

    return (ret);
}


KMF_RETURN
NSS_StoreCert(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN ret = KMF_OK;
    PK11SlotInfo *nss_slot = NULL;
    KMF_DATA *cert = NULL;
    char *label = NULL;
    char *trust_flag = NULL;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    ret = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (ret != KMF_OK)
        return (ret);

    /* Get the cert data  */
    cert = kmf_get_attr_ptr(KMF_CERT_DATA_ATTR, attrlist, numattr);
    if (cert == NULL || cert->Data == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    /* The label attribute is optional */
    label = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);

    /* The trustflag attriburte is optional */
    trust_flag = kmf_get_attr_ptr(KMF_TRUSTFLAG_ATTR, attrlist, numattr);

    ret = store_cert(handle, nss_slot, cert, label, trust_flag);

out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    return (ret);
}


KMF_RETURN
NSS_ImportCert(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN ret = KMF_OK;
    PK11SlotInfo *nss_slot = NULL;
    KMF_DATA cert = {NULL, 0};
    KMF_DATA cert_der = {NULL, 0};
    KMF_DATA *cptr = NULL;
    KMF_ENCODE_FORMAT format;
    char *label = NULL;
    char *trust_flag = NULL;
    char *certfile = NULL;

    if (handle == NULL || attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    ret = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (ret != KMF_OK)
        return (ret);

    /* Get the input cert filename attribute */
    certfile = kmf_get_attr_ptr(KMF_CERT_FILENAME_ATTR, attrlist, numattr);
    if (certfile == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    /* Check the cert file and auto-detect the file format of it. */
    ret = kmf_is_cert_file(handle, certfile, &format);
    if (ret != KMF_OK)
        return (ret);

    ret = kmf_read_input_file(handle, certfile, &cert);
    if (ret != KMF_OK) {
        return (ret);
    }

    /*
     * If the imported cert is in PEM format, convert it to
     * DER format in order to store it in NSS token.
     */
    if (format == KMF_FORMAT_PEM) {
        int derlen;
        ret = kmf_pem_to_der(cert.Data, cert.Length,
            &cert_der.Data, &derlen);
        if (ret != KMF_OK) {
            goto cleanup;
        }
        cert_der.Length = (size_t)derlen;
        cptr = &cert_der;
    } else {
        cptr = &cert;
    }

    label = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);
    trust_flag = kmf_get_attr_ptr(KMF_TRUSTFLAG_ATTR, attrlist, numattr);
    ret = store_cert(handle, nss_slot, cptr, label, trust_flag);

cleanup:
    if (format == KMF_FORMAT_PEM) {
        kmf_free_data(&cert_der);
    }

    kmf_free_data(&cert);

    return (ret);
}


KMF_RETURN
NSS_ImportCRL(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN ret = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    CERTSignedCrl *nss_crl = NULL;
    KMF_ENCODE_FORMAT format;
    int importOptions;
    SECItem crlDER;
    KMF_DATA crl1;
    KMF_DATA crl2;
    char *crlfilename;
    boolean_t crlcheck = FALSE;

    if (attrlist == NULL || numattr == 0) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    ret = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (ret != KMF_OK) {
        return (ret);
    }

    crlfilename = kmf_get_attr_ptr(KMF_CRL_FILENAME_ATTR, attrlist,
        numattr);
    if (crlfilename == NULL)
        return (KMF_ERR_BAD_CRLFILE);

    /*
     * Check if the input CRL file is a valid CRL file and auto-detect
     * the encoded format of the file.
     */
    ret = kmf_is_crl_file(handle, crlfilename, &format);
    if (ret != KMF_OK)
        return (ret);

    ret = kmf_get_attr(KMF_CRL_CHECK_ATTR, attrlist, numattr,
        &crlcheck, NULL);
    if (ret != KMF_OK)
        ret = KMF_OK; /* CRL_CHECK is optional */

    /* set importOptions */
    if (crlcheck == B_FALSE) {
        importOptions = CRL_IMPORT_DEFAULT_OPTIONS |
            CRL_IMPORT_BYPASS_CHECKS;
    } else {
        importOptions = CRL_IMPORT_DEFAULT_OPTIONS;
    }


    /* Read in the CRL file */
    crl1.Data = NULL;
    crl2.Data = NULL;
    ret = kmf_read_input_file(handle, crlfilename, &crl1);
    if (ret != KMF_OK) {
        return (ret);
    }

    /* If the input CRL is in PEM format, convert it to DER first. */
    if (format == KMF_FORMAT_PEM) {
        int len;
        ret = kmf_pem_to_der(crl1.Data, crl1.Length,
            &crl2.Data, &len);
        if (ret != KMF_OK) {
            goto out;
        }
        crl2.Length = (size_t)len;
    }

    crlDER.data = format == KMF_FORMAT_ASN1 ? crl1.Data : crl2.Data;
    crlDER.len = format == KMF_FORMAT_ASN1 ? crl1.Length : crl2.Length;

    nss_crl = PK11_ImportCRL(nss_slot, &crlDER, NULL, SEC_CRL_TYPE,
        NULL, importOptions, NULL, CRL_DECODE_DEFAULT_OPTIONS);

    if (nss_crl == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        ret = KMF_ERR_BAD_CRLFILE;
        goto out;
    }

out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (crl1.Data != NULL) {
        free(crl1.Data);
    }

    if (crl2.Data != NULL) {
        free(crl2.Data);
    }

    if (nss_crl != NULL) {
        (void) SEC_DestroyCrl(nss_crl);
    }

    return (ret);
}

KMF_RETURN
NSS_DeleteCRL(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    CERTSignedCrl *crl = NULL;
    CERTCertificate *cert = NULL;
    PK11SlotInfo *nss_slot = NULL;
    CERTCrlHeadNode *crlList = NULL;
    CERTCrlNode *crlNode = NULL;
    PRArenaPool *arena = NULL;
    CERTName *name = NULL;
    CERTCertDBHandle *certHandle = CERT_GetDefaultCertDB();
    char *issuername, *subjectname;

    /* check params */
    if (numattr == 0 || attrlist == NULL) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    issuername = kmf_get_attr_ptr(KMF_ISSUER_NAME_ATTR, attrlist,
        numattr);
    subjectname = kmf_get_attr_ptr(KMF_SUBJECT_NAME_ATTR, attrlist,
        numattr);

    /* Caller must specify issuer or subject but not both */
    if ((issuername == NULL && subjectname == NULL) ||
        (issuername != NULL && subjectname != NULL))
        return (KMF_ERR_BAD_PARAMETER);

    /* Find the CRL based on the deletion criteria. */
    if (issuername != NULL) {
        /*
         * If the deletion is based on the issuer's certificate
         * nickname, we will get the issuer's cert first, then
         * get the CRL from the cert.
         */
        cert = CERT_FindCertByNicknameOrEmailAddr(certHandle,
            issuername);
        if (!cert) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_CERT_NOT_FOUND;
            goto out;
        }

        crl = SEC_FindCrlByName(certHandle, &cert->derSubject,
            SEC_CRL_TYPE);
        if (crl == NULL) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_CRL_NOT_FOUND;
            goto out;
        }
    } else {
        /*
         * If the deletion is based on the CRL's subject name, we will
         * get all the CRLs from the internal database and search
         * for the CRL with the same subject name.
         */
        boolean_t found = B_FALSE;
        int nssrv;

        nssrv = SEC_LookupCrls(certHandle, &crlList, SEC_CRL_TYPE);
        if (nssrv) {
            SET_ERROR(kmfh, nssrv);
            rv = KMF_ERR_CRL_NOT_FOUND;
            goto out;
        }

        if (crlList == NULL) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_CRL_NOT_FOUND;
            goto out;
        }

        /* Allocate space for name */
        arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
        if (arena == NULL) {
            rv = KMF_ERR_MEMORY;
            goto out;
        }

        name = PORT_ArenaZAlloc(arena, sizeof (*name));
        if (name == NULL) {
            rv = KMF_ERR_MEMORY;
            goto out;
        }
        name->arena = arena;

        crlNode  = crlList->first;
        while (crlNode && !found) {
            char *asciiname = NULL;
            SECItem* issuer;

            name = &crlNode->crl->crl.name;
            if (!name) {
                SET_ERROR(kmfh, PORT_GetError());
                rv = KMF_ERR_CRL_NOT_FOUND;
                break;
            }

            asciiname = CERT_NameToAscii(name);
            if (asciiname == NULL) {
                SET_ERROR(kmfh, PORT_GetError());
                rv = KMF_ERR_CRL_NOT_FOUND;
                break;
            }

            if (strcmp(subjectname, asciiname) == 0) {
                found = B_TRUE;
                issuer = &crlNode->crl->crl.derName;
                crl = SEC_FindCrlByName(certHandle, issuer,
                    SEC_CRL_TYPE);
                if (crl == NULL) {
                    /* We found a cert but no CRL */
                    SET_ERROR(kmfh,  PORT_GetError());
                    rv = KMF_ERR_CRL_NOT_FOUND;
                }
            }
            PORT_Free(asciiname);
            crlNode = crlNode->next;
        }

        if (rv) {
            goto out;
        }
    }

    if (crl) {
        (void) SEC_DeletePermCRL(crl);
    }

out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (crlList != NULL) {
        PORT_FreeArena(crlList->arena, PR_FALSE);
    }

    if (arena != NULL) {
        PORT_FreeArena(arena, PR_FALSE);
    }

    if (cert != NULL) {
        CERT_DestroyCertificate(cert);
    }

    if (crl != NULL) {
        (void) SEC_DestroyCrl(crl);
    }

    return (rv);
}

KMF_RETURN
NSS_FindCRL(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    CERTCrlHeadNode *crlList = NULL;
    CERTCrlNode *crlNode = NULL;
    PRArenaPool *arena = NULL;
    CERTName *name = NULL;
    SECStatus nssrv;
    char *asciiname = NULL;
    int crl_num;
    int i, *CRLCount;
    CERTCertDBHandle *certHandle = CERT_GetDefaultCertDB();
    char **CRLNameList;

    if (numattr == 0 || attrlist == NULL) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    CRLCount = kmf_get_attr_ptr(KMF_CRL_COUNT_ATTR, attrlist, numattr);
    if (CRLCount == NULL)
        return (KMF_ERR_BAD_PARAMETER);

    CRLNameList = (char **)kmf_get_attr_ptr(KMF_CRL_NAMELIST_ATTR,
        attrlist, numattr);

    /* Look up Crls */
    nssrv = SEC_LookupCrls(certHandle, &crlList, SEC_CRL_TYPE);
    if (nssrv) {
        SET_ERROR(kmfh, rv);
        rv = KMF_ERR_CRL_NOT_FOUND;
        goto out;
    }

    /* Allocate space for name first */
    arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
    if (arena == NULL) {
        rv = KMF_ERR_MEMORY;
        goto out;
    }

    name = PORT_ArenaZAlloc(arena, sizeof (*name));
    if (name == NULL) {
        rv = KMF_ERR_MEMORY;
        goto out;
    }
    name->arena = arena;

    /*
     * Loop thru the crlList and create a crl list with CRL's subject name.
     */
    crlNode  = crlList->first;
    crl_num = 0;
    while (crlNode) {
        char *subj_name;

        /* Get the CRL subject name */
        name = &crlNode->crl->crl.name;
        if (!name) {
            SET_ERROR(kmfh, PORT_GetError());
            rv = KMF_ERR_CRL_NOT_FOUND;
            break;
        }


        if (CRLNameList != NULL) {
            asciiname = CERT_NameToAscii(name);
            if (asciiname == NULL) {
                SET_ERROR(kmfh, PORT_GetError());
                rv = KMF_ERR_CRL_NOT_FOUND;
                break;
            }
            subj_name = strdup(asciiname);
            PORT_Free(asciiname);
            if (subj_name == NULL) {
                rv = KMF_ERR_MEMORY;
                break;
            }
            CRLNameList[crl_num] = subj_name;
        }

        crl_num++;
        crlNode = crlNode->next;
    }

    if (rv == KMF_OK) {
        /* success */
        *CRLCount = crl_num;
    }

out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (crlList != NULL) {
        PORT_FreeArena(crlList->arena, PR_FALSE);
    }

    if (arena != NULL) {
        PORT_FreeArena(arena, PR_FALSE);
    }

    /* If failed, free memory allocated for the returning rlist */
    if (rv && (CRLNameList != NULL)) {
        for (i = 0; i < crl_num; i++) {
            free(CRLNameList[i]);
        }
    }

    return (rv);
}

KMF_RETURN
NSS_FindCertInCRL(KMF_HANDLE_T handle, int numattr, KMF_ATTRIBUTE *attrlist)
{
    KMF_RETURN rv = KMF_OK;
    KMF_HANDLE *kmfh = (KMF_HANDLE *)handle;
    PK11SlotInfo *nss_slot = NULL;
    CERTCertificate *cert = NULL;
    CERTSignedCrl *crl = NULL;
    CERTCrlEntry *entry;
    boolean_t match = B_FALSE;
    int i;
    CERTCertDBHandle *certHandle = CERT_GetDefaultCertDB();
    char *certlabel;
    KMF_DATA *certdata;

    /* check params */
    if (numattr == 0 || attrlist == NULL) {
        return (KMF_ERR_BAD_PARAMETER);
    }

    rv = do_nss_init(handle, numattr, attrlist, FALSE, &nss_slot);
    if (rv != KMF_OK) {
        return (rv);
    }

    certlabel = kmf_get_attr_ptr(KMF_CERT_LABEL_ATTR, attrlist, numattr);

    /* Find the certificate first */
    if (certlabel != NULL) {
        cert = CERT_FindCertByNicknameOrEmailAddr(certHandle,
            certlabel);
    } else {
        SECItem derCert = { NULL, 0};

        certdata = kmf_get_attr_ptr(KMF_CERT_DATA_ATTR,
            attrlist, numattr);

        if (certdata == NULL)
            return (KMF_ERR_BAD_PARAMETER);

        derCert.data = certdata->Data;
        derCert.len = certdata->Length;

        cert = CERT_FindCertByDERCert(certHandle, &derCert);
    }

    if (cert == NULL) {
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_CERT_NOT_FOUND;
        goto out;
    }

    /* Find the CRL with the same issuer as the given certificate. */
    crl = SEC_FindCrlByName(certHandle, &cert->derIssuer, SEC_CRL_TYPE);
    if (crl == NULL) {
        /*
         * Could not find the CRL issued by the same issuer. This
         * usually means that the CRL is not installed in the DB.
         */
        SET_ERROR(kmfh, PORT_GetError());
        rv = KMF_ERR_CRL_NOT_FOUND;
        goto out;

    }

    /* Check if the certificate's serialNumber is revoked in the CRL */
    i = 0;
    while ((entry = (crl->crl).entries[i++]) != NULL) {
        if (SECITEM_CompareItem(&(cert->serialNumber),
            &(entry->serialNumber)) == SECEqual) {
            match = B_TRUE;
            break;
        }
    }

    if (!match) {
        rv = KMF_ERR_NOT_REVOKED;
    }

out:
    if (nss_slot != NULL) {
        PK11_FreeSlot(nss_slot);
    }

    if (cert != NULL) {
        CERT_DestroyCertificate(cert);
    }

    if (crl != NULL) {
        (void) SEC_DestroyCrl(crl);
    }

    return (rv);
}