Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1782 insertions, 0 deletions

diff --git a/security/nss/lib/softoken/legacydb/lgattr.c b/security/nss/lib/softoken/legacydb/lgattr.c
new file mode 100644
index 0000000000..cbc708a3fa
--- /dev/null
+++ b/security/nss/lib/softoken/legacydb/lgattr.c
@@ -0,0 +1,1782 @@
+/* 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/. */
+/*
+ * Internal PKCS #11 functions. Should only be called by pkcs11.c
+ */
+#include "pkcs11.h"
+#include "lgdb.h"
+
+#include "pcertt.h"
+#include "lowkeyi.h"
+#include "pcert.h"
+#include "blapi.h"
+#include "secerr.h"
+#include "secasn1.h"
+
+/*
+ * Cache the object we are working on during Set's and Get's
+ */
+typedef struct LGObjectCacheStr {
+    CK_OBJECT_CLASS objclass;
+    CK_OBJECT_HANDLE handle;
+    SDB *sdb;
+    void *objectInfo;
+    LGFreeFunc infoFree;
+    SECItem dbKey;
+} LGObjectCache;
+
+static const CK_OBJECT_HANDLE lg_classArray[] = {
+    0, CKO_PRIVATE_KEY, CKO_PUBLIC_KEY, CKO_SECRET_KEY,
+    CKO_NSS_TRUST, CKO_NSS_CRL, CKO_NSS_SMIME,
+    CKO_CERTIFICATE
+};
+
+#define handleToClass(handle) \
+    lg_classArray[((handle & LG_TOKEN_TYPE_MASK)) >> LG_TOKEN_TYPE_SHIFT]
+
+static void lg_DestroyObjectCache(LGObjectCache *obj);
+
+static LGObjectCache *
+lg_NewObjectCache(SDB *sdb, const SECItem *dbKey, CK_OBJECT_HANDLE handle)
+{
+    LGObjectCache *obj = NULL;
+    SECStatus rv;
+
+    obj = PORT_New(LGObjectCache);
+    if (obj == NULL) {
+        return NULL;
+    }
+
+    obj->objclass = handleToClass(handle);
+    obj->handle = handle;
+    obj->sdb = sdb;
+    obj->objectInfo = NULL;
+    obj->infoFree = NULL;
+    obj->dbKey.data = NULL;
+    obj->dbKey.len = 0;
+    lg_DBLock(sdb);
+    if (dbKey == NULL) {
+        dbKey = lg_lookupTokenKeyByHandle(sdb, handle);
+    }
+    if (dbKey == NULL) {
+        lg_DBUnlock(sdb);
+        goto loser;
+    }
+    rv = SECITEM_CopyItem(NULL, &obj->dbKey, dbKey);
+    lg_DBUnlock(sdb);
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+
+    return obj;
+loser:
+    (void)lg_DestroyObjectCache(obj);
+    return NULL;
+}
+
+/*
+ * free all the data associated with an object. Object reference count must
+ * be 'zero'.
+ */
+static void
+lg_DestroyObjectCache(LGObjectCache *obj)
+{
+    if (obj->dbKey.data) {
+        PORT_Free(obj->dbKey.data);
+        obj->dbKey.data = NULL;
+    }
+    if (obj->objectInfo) {
+        (*obj->infoFree)(obj->objectInfo);
+        obj->objectInfo = NULL;
+        obj->infoFree = NULL;
+    }
+    PORT_Free(obj);
+}
+/*
+ * ******************** Attribute Utilities *******************************
+ */
+
+static CK_RV
+lg_ULongAttribute(CK_ATTRIBUTE *attr, CK_ATTRIBUTE_TYPE type, CK_ULONG value)
+{
+    unsigned char *data;
+    int i;
+
+    if (attr->pValue == NULL) {
+        attr->ulValueLen = 4;
+        return CKR_OK;
+    }
+    if (attr->ulValueLen < 4) {
+        attr->ulValueLen = (CK_ULONG)-1;
+        return CKR_BUFFER_TOO_SMALL;
+    }
+
+    data = (unsigned char *)attr->pValue;
+    for (i = 0; i < 4; i++) {
+        data[i] = (value >> ((3 - i) * 8)) & 0xff;
+    }
+    attr->ulValueLen = 4;
+    return CKR_OK;
+}
+
+static CK_RV
+lg_CopyAttribute(CK_ATTRIBUTE *attr, CK_ATTRIBUTE_TYPE type,
+                 CK_VOID_PTR value, CK_ULONG len)
+{
+
+    if (attr->pValue == NULL) {
+        attr->ulValueLen = len;
+        return CKR_OK;
+    }
+    if (attr->ulValueLen < len) {
+        attr->ulValueLen = (CK_ULONG)-1;
+        return CKR_BUFFER_TOO_SMALL;
+    }
+    if (len > 0 && value != NULL) {
+        PORT_Memcpy(attr->pValue, value, len);
+    }
+    attr->ulValueLen = len;
+    return CKR_OK;
+}
+
+static CK_RV
+lg_CopyAttributeSigned(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type,
+                       void *value, CK_ULONG len)
+{
+    unsigned char *dval = (unsigned char *)value;
+    if (*dval == 0) {
+        dval++;
+        len--;
+    }
+    return lg_CopyAttribute(attribute, type, dval, len);
+}
+
+static CK_RV
+lg_CopyPrivAttribute(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type,
+                     void *value, CK_ULONG len, SDB *sdbpw)
+{
+    SECItem plainText, *cipherText = NULL;
+    CK_RV crv = CKR_USER_NOT_LOGGED_IN;
+    SECStatus rv;
+
+    plainText.data = value;
+    plainText.len = len;
+    rv = lg_util_encrypt(NULL, sdbpw, &plainText, &cipherText);
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+    crv = lg_CopyAttribute(attribute, type, cipherText->data, cipherText->len);
+loser:
+    if (cipherText) {
+        SECITEM_FreeItem(cipherText, PR_TRUE);
+    }
+    return crv;
+}
+
+static CK_RV
+lg_CopyPrivAttrSigned(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type,
+                      void *value, CK_ULONG len, SDB *sdbpw)
+{
+    unsigned char *dval = (unsigned char *)value;
+
+    if (*dval == 0) {
+        dval++;
+        len--;
+    }
+    return lg_CopyPrivAttribute(attribute, type, dval, len, sdbpw);
+}
+
+static CK_RV
+lg_invalidAttribute(CK_ATTRIBUTE *attr)
+{
+    attr->ulValueLen = (CK_ULONG)-1;
+    return CKR_ATTRIBUTE_TYPE_INVALID;
+}
+
+#define LG_DEF_ATTRIBUTE(value, len) \
+    {                                \
+        0, value, len                \
+    }
+
+#define LG_CLONE_ATTR(attribute, type, staticAttr) \
+    lg_CopyAttribute(attribute, type, staticAttr.pValue, staticAttr.ulValueLen)
+
+CK_BBOOL lg_staticTrueValue = CK_TRUE;
+CK_BBOOL lg_staticFalseValue = CK_FALSE;
+static const CK_ATTRIBUTE lg_StaticTrueAttr =
+    LG_DEF_ATTRIBUTE(&lg_staticTrueValue, sizeof(lg_staticTrueValue));
+static const CK_ATTRIBUTE lg_StaticFalseAttr =
+    LG_DEF_ATTRIBUTE(&lg_staticFalseValue, sizeof(lg_staticFalseValue));
+static const CK_ATTRIBUTE lg_StaticNullAttr = LG_DEF_ATTRIBUTE(NULL, 0);
+char lg_StaticOneValue = 1;
+
+/*
+ * helper functions which get the database and call the underlying
+ * low level database function.
+ */
+static char *
+lg_FindKeyNicknameByPublicKey(SDB *sdb, SECItem *dbKey)
+{
+    NSSLOWKEYDBHandle *keyHandle;
+    char *label;
+
+    keyHandle = lg_getKeyDB(sdb);
+    if (!keyHandle) {
+        return NULL;
+    }
+
+    label = nsslowkey_FindKeyNicknameByPublicKey(keyHandle, dbKey,
+                                                 sdb);
+    return label;
+}
+
+NSSLOWKEYPrivateKey *
+lg_FindKeyByPublicKey(SDB *sdb, SECItem *dbKey)
+{
+    NSSLOWKEYPrivateKey *privKey;
+    NSSLOWKEYDBHandle *keyHandle;
+
+    keyHandle = lg_getKeyDB(sdb);
+    if (keyHandle == NULL) {
+        return NULL;
+    }
+    privKey = nsslowkey_FindKeyByPublicKey(keyHandle, dbKey, sdb);
+    if (privKey == NULL) {
+        return NULL;
+    }
+    return privKey;
+}
+
+static certDBEntrySMime *
+lg_getSMime(LGObjectCache *obj)
+{
+    certDBEntrySMime *entry;
+    NSSLOWCERTCertDBHandle *certHandle;
+
+    if (obj->objclass != CKO_NSS_SMIME) {
+        return NULL;
+    }
+    if (obj->objectInfo) {
+        return (certDBEntrySMime *)obj->objectInfo;
+    }
+
+    certHandle = lg_getCertDB(obj->sdb);
+    if (!certHandle) {
+        return NULL;
+    }
+    entry = nsslowcert_ReadDBSMimeEntry(certHandle, (char *)obj->dbKey.data);
+    obj->objectInfo = (void *)entry;
+    obj->infoFree = (LGFreeFunc)nsslowcert_DestroyDBEntry;
+    return entry;
+}
+
+static certDBEntryRevocation *
+lg_getCrl(LGObjectCache *obj)
+{
+    certDBEntryRevocation *crl;
+    PRBool isKrl;
+    NSSLOWCERTCertDBHandle *certHandle;
+
+    if (obj->objclass != CKO_NSS_CRL) {
+        return NULL;
+    }
+    if (obj->objectInfo) {
+        return (certDBEntryRevocation *)obj->objectInfo;
+    }
+
+    isKrl = (PRBool)(obj->handle == LG_TOKEN_KRL_HANDLE);
+    certHandle = lg_getCertDB(obj->sdb);
+    if (!certHandle) {
+        return NULL;
+    }
+
+    crl = nsslowcert_FindCrlByKey(certHandle, &obj->dbKey, isKrl);
+    obj->objectInfo = (void *)crl;
+    obj->infoFree = (LGFreeFunc)nsslowcert_DestroyDBEntry;
+    return crl;
+}
+
+static NSSLOWCERTCertificate *
+lg_getCert(LGObjectCache *obj, NSSLOWCERTCertDBHandle *certHandle)
+{
+    NSSLOWCERTCertificate *cert;
+    CK_OBJECT_CLASS objClass = obj->objclass;
+
+    if ((objClass != CKO_CERTIFICATE) && (objClass != CKO_NSS_TRUST)) {
+        return NULL;
+    }
+    if (objClass == CKO_CERTIFICATE && obj->objectInfo) {
+        return (NSSLOWCERTCertificate *)obj->objectInfo;
+    }
+    cert = nsslowcert_FindCertByKey(certHandle, &obj->dbKey);
+    if (objClass == CKO_CERTIFICATE) {
+        obj->objectInfo = (void *)cert;
+        obj->infoFree = (LGFreeFunc)nsslowcert_DestroyCertificate;
+    }
+    return cert;
+}
+
+static NSSLOWCERTTrust *
+lg_getTrust(LGObjectCache *obj, NSSLOWCERTCertDBHandle *certHandle)
+{
+    NSSLOWCERTTrust *trust;
+
+    if (obj->objclass != CKO_NSS_TRUST) {
+        return NULL;
+    }
+    if (obj->objectInfo) {
+        return (NSSLOWCERTTrust *)obj->objectInfo;
+    }
+    trust = nsslowcert_FindTrustByKey(certHandle, &obj->dbKey);
+    obj->objectInfo = (void *)trust;
+    obj->infoFree = (LGFreeFunc)nsslowcert_DestroyTrust;
+    return trust;
+}
+
+static NSSLOWKEYPublicKey *
+lg_GetPublicKey(LGObjectCache *obj)
+{
+    NSSLOWKEYPublicKey *pubKey;
+    NSSLOWKEYPrivateKey *privKey;
+
+    if (obj->objclass != CKO_PUBLIC_KEY) {
+        return NULL;
+    }
+    if (obj->objectInfo) {
+        return (NSSLOWKEYPublicKey *)obj->objectInfo;
+    }
+    privKey = lg_FindKeyByPublicKey(obj->sdb, &obj->dbKey);
+    if (privKey == NULL) {
+        return NULL;
+    }
+    pubKey = lg_nsslowkey_ConvertToPublicKey(privKey);
+    lg_nsslowkey_DestroyPrivateKey(privKey);
+    obj->objectInfo = (void *)pubKey;
+    obj->infoFree = (LGFreeFunc)lg_nsslowkey_DestroyPublicKey;
+    return pubKey;
+}
+
+/*
+ * we need two versions of lg_GetPrivateKey. One version that takes the
+ * DB handle so we can pass the handle we have already acquired in,
+ *  rather than going through the 'getKeyDB' code again,
+ *  which may fail the second time and another which just aquires
+ *  the key handle from the sdb (where we don't already have a key handle.
+ * This version does the former.
+ */
+static NSSLOWKEYPrivateKey *
+lg_GetPrivateKeyWithDB(LGObjectCache *obj, NSSLOWKEYDBHandle *keyHandle)
+{
+    NSSLOWKEYPrivateKey *privKey;
+
+    if ((obj->objclass != CKO_PRIVATE_KEY) &&
+        (obj->objclass != CKO_SECRET_KEY)) {
+        return NULL;
+    }
+    if (obj->objectInfo) {
+        return (NSSLOWKEYPrivateKey *)obj->objectInfo;
+    }
+    privKey = nsslowkey_FindKeyByPublicKey(keyHandle, &obj->dbKey, obj->sdb);
+    if (privKey == NULL) {
+        return NULL;
+    }
+    obj->objectInfo = (void *)privKey;
+    obj->infoFree = (LGFreeFunc)lg_nsslowkey_DestroyPrivateKey;
+    return privKey;
+}
+
+/* this version does the latter */
+static NSSLOWKEYPrivateKey *
+lg_GetPrivateKey(LGObjectCache *obj)
+{
+    NSSLOWKEYDBHandle *keyHandle;
+    NSSLOWKEYPrivateKey *privKey;
+
+    keyHandle = lg_getKeyDB(obj->sdb);
+    if (!keyHandle) {
+        return NULL;
+    }
+    privKey = lg_GetPrivateKeyWithDB(obj, keyHandle);
+    return privKey;
+}
+
+/* lg_GetPubItem returns data associated with the public key.
+ * one only needs to free the public key. This comment is here
+ * because this sematic would be non-obvious otherwise. All callers
+ * should include this comment.
+ */
+static SECItem *
+lg_GetPubItem(NSSLOWKEYPublicKey *pubKey)
+{
+    SECItem *pubItem = NULL;
+    /* get value to compare from the cert's public key */
+    switch (pubKey->keyType) {
+        case NSSLOWKEYRSAKey:
+            pubItem = &pubKey->u.rsa.modulus;
+            break;
+        case NSSLOWKEYDSAKey:
+            pubItem = &pubKey->u.dsa.publicValue;
+            break;
+        case NSSLOWKEYDHKey:
+            pubItem = &pubKey->u.dh.publicValue;
+            break;
+        case NSSLOWKEYECKey:
+            pubItem = &pubKey->u.ec.publicValue;
+            break;
+        default:
+            break;
+    }
+    return pubItem;
+}
+
+static CK_RV
+lg_FindRSAPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type,
+                             CK_ATTRIBUTE *attribute)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_RSA;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.rsa.modulus.data, key->u.rsa.modulus.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_ENCRYPT:
+        case CKA_VERIFY:
+        case CKA_VERIFY_RECOVER:
+        case CKA_WRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_MODULUS:
+            return lg_CopyAttributeSigned(attribute, type, key->u.rsa.modulus.data,
+                                          key->u.rsa.modulus.len);
+        case CKA_PUBLIC_EXPONENT:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.rsa.publicExponent.data,
+                                          key->u.rsa.publicExponent.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindDSAPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type,
+                             CK_ATTRIBUTE *attribute)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_DSA;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.dsa.publicValue.data,
+                         key->u.dsa.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+        case CKA_ENCRYPT:
+        case CKA_VERIFY_RECOVER:
+        case CKA_WRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_VERIFY:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_VALUE:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.publicValue.data,
+                                          key->u.dsa.publicValue.len);
+        case CKA_PRIME:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.prime.data,
+                                          key->u.dsa.params.prime.len);
+        case CKA_SUBPRIME:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.subPrime.data,
+                                          key->u.dsa.params.subPrime.len);
+        case CKA_BASE:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.base.data,
+                                          key->u.dsa.params.base.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindDHPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type,
+                            CK_ATTRIBUTE *attribute)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_DH;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.dh.publicValue.data, key->u.dh.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_ENCRYPT:
+        case CKA_VERIFY:
+        case CKA_VERIFY_RECOVER:
+        case CKA_WRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_VALUE:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dh.publicValue.data,
+                                          key->u.dh.publicValue.len);
+        case CKA_PRIME:
+            return lg_CopyAttributeSigned(attribute, type, key->u.dh.prime.data,
+                                          key->u.dh.prime.len);
+        case CKA_BASE:
+            return lg_CopyAttributeSigned(attribute, type, key->u.dh.base.data,
+                                          key->u.dh.base.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindECPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type,
+                            CK_ATTRIBUTE *attribute)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_EC;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.ec.publicValue.data,
+                         key->u.ec.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+        case CKA_VERIFY:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_ENCRYPT:
+        case CKA_VERIFY_RECOVER:
+        case CKA_WRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_EC_PARAMS:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.ec.ecParams.DEREncoding.data,
+                                          key->u.ec.ecParams.DEREncoding.len);
+        case CKA_EC_POINT:
+            if (PR_GetEnvSecure("NSS_USE_DECODED_CKA_EC_POINT")) {
+                return lg_CopyAttributeSigned(attribute, type,
+                                              key->u.ec.publicValue.data,
+                                              key->u.ec.publicValue.len);
+            } else {
+                SECItem *pubValue = SEC_ASN1EncodeItem(NULL, NULL,
+                                                       &(key->u.ec.publicValue),
+                                                       SEC_ASN1_GET(SEC_OctetStringTemplate));
+                CK_RV crv;
+                if (!pubValue) {
+                    return CKR_HOST_MEMORY;
+                }
+                crv = lg_CopyAttributeSigned(attribute, type,
+                                             pubValue->data,
+                                             pubValue->len);
+                SECITEM_FreeItem(pubValue, PR_TRUE);
+                return crv;
+            }
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindPublicKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                          CK_ATTRIBUTE *attribute)
+{
+    NSSLOWKEYPublicKey *key;
+    CK_RV crv;
+    char *label;
+
+    switch (type) {
+        case CKA_PRIVATE:
+        case CKA_SENSITIVE:
+        case CKA_ALWAYS_SENSITIVE:
+        case CKA_NEVER_EXTRACTABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_MODIFIABLE:
+        case CKA_EXTRACTABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_SUBJECT:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_START_DATE:
+        case CKA_END_DATE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_LABEL:
+            label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey);
+            if (label == NULL) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+            }
+            crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label));
+            PORT_Free(label);
+            return crv;
+        default:
+            break;
+    }
+
+    key = lg_GetPublicKey(obj);
+    if (key == NULL) {
+        if (type == CKA_ID) {
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        }
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+
+    switch (key->keyType) {
+        case NSSLOWKEYRSAKey:
+            return lg_FindRSAPublicKeyAttribute(key, type, attribute);
+        case NSSLOWKEYDSAKey:
+            return lg_FindDSAPublicKeyAttribute(key, type, attribute);
+        case NSSLOWKEYDHKey:
+            return lg_FindDHPublicKeyAttribute(key, type, attribute);
+        case NSSLOWKEYECKey:
+            return lg_FindECPublicKeyAttribute(key, type, attribute);
+        default:
+            break;
+    }
+
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindSecretKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                          CK_ATTRIBUTE *attribute)
+{
+    NSSLOWKEYPrivateKey *key;
+    char *label;
+    unsigned char *keyString;
+    CK_RV crv;
+    int keyTypeLen;
+    CK_ULONG keyLen;
+    CK_KEY_TYPE keyType;
+    PRUint32 keyTypeStorage;
+
+    switch (type) {
+        case CKA_PRIVATE:
+        case CKA_SENSITIVE:
+        case CKA_ALWAYS_SENSITIVE:
+        case CKA_EXTRACTABLE:
+        case CKA_DERIVE:
+        case CKA_ENCRYPT:
+        case CKA_DECRYPT:
+        case CKA_SIGN:
+        case CKA_VERIFY:
+        case CKA_WRAP:
+        case CKA_UNWRAP:
+        case CKA_MODIFIABLE:
+        case CKA_LOCAL:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_NEVER_EXTRACTABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_START_DATE:
+        case CKA_END_DATE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_LABEL:
+            label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey);
+            if (label == NULL) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+            }
+            crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label));
+            PORT_Free(label);
+            return crv;
+        case CKA_ID:
+            return lg_CopyAttribute(attribute, type, obj->dbKey.data,
+                                    obj->dbKey.len);
+        case CKA_KEY_TYPE:
+        case CKA_VALUE_LEN:
+        case CKA_VALUE:
+            break;
+        default:
+            return lg_invalidAttribute(attribute);
+    }
+
+    key = lg_GetPrivateKey(obj);
+    if (key == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (type) {
+        case CKA_KEY_TYPE:
+            /* handle legacy databases. In legacy databases key_type was stored
+             * in host order, with any leading zeros stripped off. Only key types
+             * under 0x1f (AES) were stored. We assume that any values which are
+             * either 1 byte long (big endian), or have byte[0] between 0 and
+             * 0x7f and bytes[1]-bytes[3] equal to '0' (little endian). All other
+             * values are assumed to be from the new database, which is always 4
+             * bytes in network order */
+            keyType = 0;
+            keyString = key->u.rsa.coefficient.data;
+            keyTypeLen = key->u.rsa.coefficient.len;
+
+            /*
+             * Because of various endian and word lengths The database may have
+             * stored the keyType value in one of the following formats:
+             *   (kt) <= 0x1f
+             *                                   length data
+             * Big Endian,     pre-3.9, all lengths: 1  (kt)
+             * Little Endian,  pre-3.9, 32 bits:     4  (kt) 0  0  0
+             * Little Endian,  pre-3.9, 64 bits:     8  (kt) 0  0  0   0  0  0  0
+             * All platforms,      3.9, 32 bits:     4    0  0  0 (kt)
+             * Big Endian,         3.9, 64 bits:     8    0  0  0 (kt) 0  0  0  0
+             * Little  Endian,     3.9, 64 bits:     8    0  0  0  0   0  0  0 (kt)
+             * All platforms, >= 3.9.1, all lengths: 4   (a) k1 k2 k3
+             * where (a) is 0 or >= 0x80. currently (a) can only be 0.
+             */
+            /*
+             * this key was written on a 64 bit platform with a using NSS 3.9
+             * or earlier. Reduce the 64 bit possibilities above. When we are
+             * through, we will only have:
+             *
+             * Big Endian,     pre-3.9, all lengths: 1  (kt)
+             * Little Endian,  pre-3.9, all lengths: 4  (kt) 0  0  0
+             * All platforms,      3.9, all lengths: 4    0  0  0 (kt)
+             * All platforms, => 3.9.1, all lengths: 4   (a) k1 k2 k3
+             */
+            if (keyTypeLen == 8) {
+                keyTypeStorage = *(PRUint32 *)keyString;
+                if (keyTypeStorage == 0) {
+                    keyString += sizeof(PRUint32);
+                }
+                keyTypeLen = 4;
+            }
+            /*
+             * Now Handle:
+             *
+             * All platforms,      3.9, all lengths: 4    0  0  0 (kt)
+             * All platforms, => 3.9.1, all lengths: 4   (a) k1 k2 k3
+             *
+             * NOTE: if  kt == 0 or ak1k2k3 == 0, the test fails and
+             * we handle it as:
+             *
+             * Little Endian,  pre-3.9, all lengths: 4  (kt) 0  0  0
+             */
+            if (keyTypeLen == sizeof(keyTypeStorage) &&
+                (((keyString[0] & 0x80) == 0x80) ||
+                 !((keyString[1] == 0) && (keyString[2] == 0) && (keyString[3] == 0)))) {
+                PORT_Memcpy(&keyTypeStorage, keyString, sizeof(keyTypeStorage));
+                keyType = (CK_KEY_TYPE)PR_ntohl(keyTypeStorage);
+            } else {
+                /*
+                 * Now Handle:
+                 *
+                 * Big Endian,     pre-3.9, all lengths: 1  (kt)
+                 * Little Endian,  pre-3.9, all lengths: 4  (kt) 0  0  0
+                 *  -- KeyType == 0 all other cases ---: 4    0  0  0  0
+                 */
+                keyType = (CK_KEY_TYPE)keyString[0];
+            }
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_VALUE:
+            return lg_CopyPrivAttribute(attribute, type, key->u.rsa.privateExponent.data,
+                                        key->u.rsa.privateExponent.len, obj->sdb);
+        case CKA_VALUE_LEN:
+            keyLen = key->u.rsa.privateExponent.len;
+            return lg_ULongAttribute(attribute, type, keyLen);
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindRSAPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type,
+                              CK_ATTRIBUTE *attribute, SDB *sdbpw)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_RSA;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.rsa.modulus.data, key->u.rsa.modulus.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_DECRYPT:
+        case CKA_SIGN:
+        case CKA_SIGN_RECOVER:
+        case CKA_UNWRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_MODULUS:
+            return lg_CopyAttributeSigned(attribute, type, key->u.rsa.modulus.data,
+                                          key->u.rsa.modulus.len);
+        case CKA_PUBLIC_EXPONENT:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.rsa.publicExponent.data,
+                                          key->u.rsa.publicExponent.len);
+        case CKA_PRIVATE_EXPONENT:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.rsa.privateExponent.data,
+                                         key->u.rsa.privateExponent.len, sdbpw);
+        case CKA_PRIME_1:
+            return lg_CopyPrivAttrSigned(attribute, type, key->u.rsa.prime1.data,
+                                         key->u.rsa.prime1.len, sdbpw);
+        case CKA_PRIME_2:
+            return lg_CopyPrivAttrSigned(attribute, type, key->u.rsa.prime2.data,
+                                         key->u.rsa.prime2.len, sdbpw);
+        case CKA_EXPONENT_1:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.rsa.exponent1.data,
+                                         key->u.rsa.exponent1.len, sdbpw);
+        case CKA_EXPONENT_2:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.rsa.exponent2.data,
+                                         key->u.rsa.exponent2.len, sdbpw);
+        case CKA_COEFFICIENT:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.rsa.coefficient.data,
+                                         key->u.rsa.coefficient.len, sdbpw);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindDSAPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type,
+                              CK_ATTRIBUTE *attribute, SDB *sdbpw)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_DSA;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.dsa.publicValue.data,
+                         key->u.dsa.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+        case CKA_DECRYPT:
+        case CKA_SIGN_RECOVER:
+        case CKA_UNWRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_SIGN:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_VALUE:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.dsa.privateValue.data,
+                                         key->u.dsa.privateValue.len, sdbpw);
+        case CKA_PRIME:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.prime.data,
+                                          key->u.dsa.params.prime.len);
+        case CKA_SUBPRIME:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.subPrime.data,
+                                          key->u.dsa.params.subPrime.len);
+        case CKA_BASE:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.params.base.data,
+                                          key->u.dsa.params.base.len);
+        case CKA_NSS_DB:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dsa.publicValue.data,
+                                          key->u.dsa.publicValue.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindDHPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type,
+                             CK_ATTRIBUTE *attribute, SDB *sdbpw)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_DH;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.dh.publicValue.data, key->u.dh.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_DECRYPT:
+        case CKA_SIGN:
+        case CKA_SIGN_RECOVER:
+        case CKA_UNWRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_VALUE:
+            return lg_CopyPrivAttrSigned(attribute, type,
+                                         key->u.dh.privateValue.data,
+                                         key->u.dh.privateValue.len, sdbpw);
+        case CKA_PRIME:
+            return lg_CopyAttributeSigned(attribute, type, key->u.dh.prime.data,
+                                          key->u.dh.prime.len);
+        case CKA_BASE:
+            return lg_CopyAttributeSigned(attribute, type, key->u.dh.base.data,
+                                          key->u.dh.base.len);
+        case CKA_NSS_DB:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.dh.publicValue.data,
+                                          key->u.dh.publicValue.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindECPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type,
+                             CK_ATTRIBUTE *attribute, SDB *sdbpw)
+{
+    unsigned char hash[SHA1_LENGTH];
+    CK_KEY_TYPE keyType = CKK_EC;
+
+    switch (type) {
+        case CKA_KEY_TYPE:
+            return lg_ULongAttribute(attribute, type, keyType);
+        case CKA_ID:
+            SHA1_HashBuf(hash, key->u.ec.publicValue.data, key->u.ec.publicValue.len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_DERIVE:
+        case CKA_SIGN:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_DECRYPT:
+        case CKA_SIGN_RECOVER:
+        case CKA_UNWRAP:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_VALUE:
+            return lg_CopyPrivAttribute(attribute, type,
+                                        key->u.ec.privateValue.data,
+                                        key->u.ec.privateValue.len, sdbpw);
+        case CKA_EC_PARAMS:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.ec.ecParams.DEREncoding.data,
+                                          key->u.ec.ecParams.DEREncoding.len);
+        case CKA_NSS_DB:
+            return lg_CopyAttributeSigned(attribute, type,
+                                          key->u.ec.publicValue.data,
+                                          key->u.ec.publicValue.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindPrivateKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                           CK_ATTRIBUTE *attribute)
+{
+    NSSLOWKEYPrivateKey *key;
+    char *label;
+    CK_RV crv;
+
+    switch (type) {
+        case CKA_PRIVATE:
+        case CKA_SENSITIVE:
+        case CKA_ALWAYS_SENSITIVE:
+        case CKA_EXTRACTABLE:
+        case CKA_MODIFIABLE:
+        case CKA_LOCAL:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_NEVER_EXTRACTABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_SUBJECT:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_START_DATE:
+        case CKA_END_DATE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_LABEL:
+            label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey);
+            if (label == NULL) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+            }
+            crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label));
+            PORT_Free(label);
+            return crv;
+        default:
+            break;
+    }
+    key = lg_GetPrivateKey(obj);
+    if (key == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (key->keyType) {
+        case NSSLOWKEYRSAKey:
+            return lg_FindRSAPrivateKeyAttribute(key, type, attribute, obj->sdb);
+        case NSSLOWKEYDSAKey:
+            return lg_FindDSAPrivateKeyAttribute(key, type, attribute, obj->sdb);
+        case NSSLOWKEYDHKey:
+            return lg_FindDHPrivateKeyAttribute(key, type, attribute, obj->sdb);
+        case NSSLOWKEYECKey:
+            return lg_FindECPrivateKeyAttribute(key, type, attribute, obj->sdb);
+        default:
+            break;
+    }
+
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindSMIMEAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                      CK_ATTRIBUTE *attribute)
+{
+    certDBEntrySMime *entry;
+    switch (type) {
+        case CKA_PRIVATE:
+        case CKA_MODIFIABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_NSS_EMAIL:
+            return lg_CopyAttribute(attribute, type, obj->dbKey.data,
+                                    obj->dbKey.len - 1);
+        case CKA_NSS_SMIME_TIMESTAMP:
+        case CKA_SUBJECT:
+        case CKA_VALUE:
+            break;
+        default:
+            return lg_invalidAttribute(attribute);
+    }
+    entry = lg_getSMime(obj);
+    if (entry == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (type) {
+        case CKA_NSS_SMIME_TIMESTAMP:
+            return lg_CopyAttribute(attribute, type, entry->optionsDate.data,
+                                    entry->optionsDate.len);
+        case CKA_SUBJECT:
+            return lg_CopyAttribute(attribute, type, entry->subjectName.data,
+                                    entry->subjectName.len);
+        case CKA_VALUE:
+            return lg_CopyAttribute(attribute, type, entry->smimeOptions.data,
+                                    entry->smimeOptions.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindTrustAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                      CK_ATTRIBUTE *attribute)
+{
+    NSSLOWCERTTrust *trust;
+    NSSLOWCERTCertDBHandle *certHandle;
+    NSSLOWCERTCertificate *cert;
+    unsigned char hash[SHA1_LENGTH];
+    unsigned int trustFlags;
+    CK_RV crv = CKR_CANCEL;
+
+    switch (type) {
+        case CKA_PRIVATE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_MODIFIABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_CERT_SHA1_HASH:
+        case CKA_CERT_MD5_HASH:
+        case CKA_TRUST_CLIENT_AUTH:
+        case CKA_TRUST_SERVER_AUTH:
+        case CKA_TRUST_EMAIL_PROTECTION:
+        case CKA_TRUST_CODE_SIGNING:
+        case CKA_TRUST_STEP_UP_APPROVED:
+        case CKA_ISSUER:
+        case CKA_SERIAL_NUMBER:
+            break;
+        default:
+            return lg_invalidAttribute(attribute);
+    }
+    certHandle = lg_getCertDB(obj->sdb);
+    if (!certHandle) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    trust = lg_getTrust(obj, certHandle);
+    if (trust == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (type) {
+        case CKA_CERT_SHA1_HASH:
+            SHA1_HashBuf(hash, trust->derCert->data, trust->derCert->len);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_CERT_MD5_HASH:
+            MD5_HashBuf(hash, trust->derCert->data, trust->derCert->len);
+            return lg_CopyAttribute(attribute, type, hash, MD5_LENGTH);
+        case CKA_TRUST_CLIENT_AUTH:
+            trustFlags = trust->trust->sslFlags &
+                                 CERTDB_TRUSTED_CLIENT_CA
+                             ? trust->trust->sslFlags | CERTDB_TRUSTED_CA
+                             : 0;
+            goto trust;
+        case CKA_TRUST_SERVER_AUTH:
+            trustFlags = trust->trust->sslFlags;
+            goto trust;
+        case CKA_TRUST_EMAIL_PROTECTION:
+            trustFlags = trust->trust->emailFlags;
+            goto trust;
+        case CKA_TRUST_CODE_SIGNING:
+            trustFlags = trust->trust->objectSigningFlags;
+        trust:
+            if (trustFlags & CERTDB_TRUSTED_CA) {
+                return lg_ULongAttribute(attribute, type,
+                                         CKT_NSS_TRUSTED_DELEGATOR);
+            }
+            if (trustFlags & CERTDB_TRUSTED) {
+                return lg_ULongAttribute(attribute, type, CKT_NSS_TRUSTED);
+            }
+            if (trustFlags & CERTDB_MUST_VERIFY) {
+                return lg_ULongAttribute(attribute, type,
+                                         CKT_NSS_MUST_VERIFY_TRUST);
+            }
+            if (trustFlags & CERTDB_TRUSTED_UNKNOWN) {
+                return lg_ULongAttribute(attribute, type, CKT_NSS_TRUST_UNKNOWN);
+            }
+            if (trustFlags & CERTDB_VALID_CA) {
+                return lg_ULongAttribute(attribute, type, CKT_NSS_VALID_DELEGATOR);
+            }
+            if (trustFlags & CERTDB_TERMINAL_RECORD) {
+                return lg_ULongAttribute(attribute, type, CKT_NSS_NOT_TRUSTED);
+            }
+            return lg_ULongAttribute(attribute, type, CKT_NSS_TRUST_UNKNOWN);
+        case CKA_TRUST_STEP_UP_APPROVED:
+            if (trust->trust->sslFlags & CERTDB_GOVT_APPROVED_CA) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+            } else {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+            }
+        default:
+            break;
+    }
+
+    switch (type) {
+        case CKA_ISSUER:
+            cert = lg_getCert(obj, certHandle);
+            if (cert == NULL)
+                break;
+            crv = lg_CopyAttribute(attribute, type, cert->derIssuer.data,
+                                   cert->derIssuer.len);
+            break;
+        case CKA_SERIAL_NUMBER:
+            cert = lg_getCert(obj, certHandle);
+            if (cert == NULL)
+                break;
+            crv = lg_CopyAttribute(attribute, type, cert->derSN.data,
+                                   cert->derSN.len);
+            break;
+        default:
+            cert = NULL;
+            break;
+    }
+    if (cert) {
+        nsslowcert_DestroyCertificate(cert);
+        return crv;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindCrlAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                    CK_ATTRIBUTE *attribute)
+{
+    certDBEntryRevocation *crl;
+
+    switch (type) {
+        case CKA_PRIVATE:
+        case CKA_MODIFIABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_NSS_KRL:
+            return ((obj->handle == LG_TOKEN_KRL_HANDLE)
+                        ? LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr)
+                        : LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr));
+        case CKA_SUBJECT:
+            return lg_CopyAttribute(attribute, type, obj->dbKey.data,
+                                    obj->dbKey.len);
+        case CKA_NSS_URL:
+        case CKA_VALUE:
+            break;
+        default:
+            return lg_invalidAttribute(attribute);
+    }
+    crl = lg_getCrl(obj);
+    if (!crl) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (type) {
+        case CKA_NSS_URL:
+            if (crl->url == NULL) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+            }
+            return lg_CopyAttribute(attribute, type, crl->url,
+                                    PORT_Strlen(crl->url) + 1);
+        case CKA_VALUE:
+            return lg_CopyAttribute(attribute, type, crl->derCrl.data,
+                                    crl->derCrl.len);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+static CK_RV
+lg_FindCertAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                     CK_ATTRIBUTE *attribute)
+{
+    NSSLOWCERTCertificate *cert;
+    NSSLOWCERTCertDBHandle *certHandle;
+    NSSLOWKEYPublicKey *pubKey;
+    unsigned char hash[SHA1_LENGTH];
+    SECItem *item;
+
+    switch (type) {
+        case CKA_PRIVATE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr);
+        case CKA_MODIFIABLE:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_CERTIFICATE_TYPE:
+            /* hardcoding X.509 into here */
+            return lg_ULongAttribute(attribute, type, CKC_X_509);
+        case CKA_VALUE:
+        case CKA_ID:
+        case CKA_LABEL:
+        case CKA_SUBJECT:
+        case CKA_ISSUER:
+        case CKA_SERIAL_NUMBER:
+        case CKA_NSS_EMAIL:
+            break;
+        default:
+            return lg_invalidAttribute(attribute);
+    }
+
+    certHandle = lg_getCertDB(obj->sdb);
+    if (certHandle == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+
+    cert = lg_getCert(obj, certHandle);
+    if (cert == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+    switch (type) {
+        case CKA_VALUE:
+            return lg_CopyAttribute(attribute, type, cert->derCert.data,
+                                    cert->derCert.len);
+        case CKA_ID:
+            if (((cert->trust->sslFlags & CERTDB_USER) == 0) &&
+                ((cert->trust->emailFlags & CERTDB_USER) == 0) &&
+                ((cert->trust->objectSigningFlags & CERTDB_USER) == 0)) {
+                return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+            }
+            pubKey = nsslowcert_ExtractPublicKey(cert);
+            if (pubKey == NULL)
+                break;
+            item = lg_GetPubItem(pubKey);
+            if (item == NULL) {
+                lg_nsslowkey_DestroyPublicKey(pubKey);
+                break;
+            }
+            SHA1_HashBuf(hash, item->data, item->len);
+            /* item is imbedded in pubKey, just free the key */
+            lg_nsslowkey_DestroyPublicKey(pubKey);
+            return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH);
+        case CKA_LABEL:
+            return cert->nickname
+                       ? lg_CopyAttribute(attribute, type, cert->nickname,
+                                          PORT_Strlen(cert->nickname))
+                       : LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        case CKA_SUBJECT:
+            return lg_CopyAttribute(attribute, type, cert->derSubject.data,
+                                    cert->derSubject.len);
+        case CKA_ISSUER:
+            return lg_CopyAttribute(attribute, type, cert->derIssuer.data,
+                                    cert->derIssuer.len);
+        case CKA_SERIAL_NUMBER:
+            return lg_CopyAttribute(attribute, type, cert->derSN.data,
+                                    cert->derSN.len);
+        case CKA_NSS_EMAIL:
+            return (cert->emailAddr && cert->emailAddr[0])
+                       ? lg_CopyAttribute(attribute, type, cert->emailAddr,
+                                          PORT_Strlen(cert->emailAddr))
+                       : LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+CK_RV
+lg_GetSingleAttribute(LGObjectCache *obj, CK_ATTRIBUTE *attribute)
+{
+    /* handle the common ones */
+    CK_ATTRIBUTE_TYPE type = attribute->type;
+    switch (type) {
+        case CKA_CLASS:
+            return lg_ULongAttribute(attribute, type, obj->objclass);
+        case CKA_TOKEN:
+            return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr);
+        case CKA_LABEL:
+            if ((obj->objclass == CKO_CERTIFICATE) ||
+                (obj->objclass == CKO_PRIVATE_KEY) ||
+                (obj->objclass == CKO_PUBLIC_KEY) ||
+                (obj->objclass == CKO_SECRET_KEY)) {
+                break;
+            }
+            return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr);
+        default:
+            break;
+    }
+    switch (obj->objclass) {
+        case CKO_CERTIFICATE:
+            return lg_FindCertAttribute(obj, type, attribute);
+        case CKO_NSS_CRL:
+            return lg_FindCrlAttribute(obj, type, attribute);
+        case CKO_NSS_TRUST:
+            return lg_FindTrustAttribute(obj, type, attribute);
+        case CKO_NSS_SMIME:
+            return lg_FindSMIMEAttribute(obj, type, attribute);
+        case CKO_PUBLIC_KEY:
+            return lg_FindPublicKeyAttribute(obj, type, attribute);
+        case CKO_PRIVATE_KEY:
+            return lg_FindPrivateKeyAttribute(obj, type, attribute);
+        case CKO_SECRET_KEY:
+            return lg_FindSecretKeyAttribute(obj, type, attribute);
+        default:
+            break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+/*
+ * Fill in the attribute template based on the data in the database.
+ */
+CK_RV
+lg_GetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE handle, CK_ATTRIBUTE *templ,
+                     CK_ULONG count)
+{
+    LGObjectCache *obj = lg_NewObjectCache(sdb, NULL, handle & ~LG_TOKEN_MASK);
+    CK_RV crv, crvCollect = CKR_OK;
+    unsigned int i;
+
+    if (obj == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+
+    for (i = 0; i < count; i++) {
+        crv = lg_GetSingleAttribute(obj, &templ[i]);
+        if (crvCollect == CKR_OK)
+            crvCollect = crv;
+    }
+
+    lg_DestroyObjectCache(obj);
+    return crvCollect;
+}
+
+PRBool
+lg_cmpAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attribute)
+{
+    unsigned char buf[LG_BUF_SPACE];
+    CK_ATTRIBUTE testAttr;
+    unsigned char *tempBuf = NULL;
+    PRBool match = PR_TRUE;
+    CK_RV crv;
+
+    /* we're going to compare 'attribute' with the actual attribute from
+     * the object. We'll use the length of 'attribute' to decide how much
+     * space we need to read the test attribute. If 'attribute' doesn't give
+     * enough space, then we know the values don't match and that will
+     * show up as ckr != CKR_OK */
+    testAttr = *attribute;
+    testAttr.pValue = buf;
+
+    /* if we don't have enough space, malloc it */
+    if (attribute->ulValueLen > LG_BUF_SPACE) {
+        tempBuf = PORT_Alloc(attribute->ulValueLen);
+        if (!tempBuf) {
+            return PR_FALSE;
+        }
+        testAttr.pValue = tempBuf;
+    }
+
+    /* get the attribute */
+    crv = lg_GetSingleAttribute(obj, &testAttr);
+    /* if the attribute was read OK, compare it */
+    if ((crv != CKR_OK) ||
+        (attribute->pValue == NULL) ||
+        (attribute->ulValueLen != testAttr.ulValueLen) ||
+        (PORT_Memcmp(attribute->pValue, testAttr.pValue, testAttr.ulValueLen) != 0)) {
+        /* something didn't match, this isn't the object we are looking for */
+        match = PR_FALSE;
+    }
+    /* free the buffer we may have allocated */
+    if (tempBuf) {
+        PORT_Free(tempBuf);
+    }
+    return match;
+}
+
+PRBool
+lg_tokenMatch(SDB *sdb, const SECItem *dbKey, CK_OBJECT_HANDLE class,
+              const CK_ATTRIBUTE *templ, CK_ULONG count)
+{
+    PRBool match = PR_TRUE;
+    LGObjectCache *obj = lg_NewObjectCache(sdb, dbKey, class);
+    unsigned int i;
+
+    if (obj == NULL) {
+        return PR_FALSE;
+    }
+
+    for (i = 0; i < count; i++) {
+        match = lg_cmpAttribute(obj, &templ[i]);
+        if (!match) {
+            break;
+        }
+    }
+
+    /* done looking, free up our cache */
+    lg_DestroyObjectCache(obj);
+
+    /* if we get through the whole list without finding a mismatched attribute,
+     * then this object fits the criteria we are matching */
+    return match;
+}
+
+static CK_RV
+lg_SetCertAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                    const void *value, unsigned int len)
+{
+    NSSLOWCERTCertificate *cert;
+    NSSLOWCERTCertDBHandle *certHandle;
+    char *nickname = NULL;
+    SECStatus rv;
+    CK_RV crv;
+
+    /* we can't change  the EMAIL values, but let the
+     * upper layers feel better about the fact we tried to set these */
+    if (type == CKA_NSS_EMAIL) {
+        return CKR_OK;
+    }
+
+    certHandle = lg_getCertDB(obj->sdb);
+    if (certHandle == NULL) {
+        crv = CKR_TOKEN_WRITE_PROTECTED;
+        goto done;
+    }
+
+    if ((type != CKA_LABEL) && (type != CKA_ID)) {
+        crv = CKR_ATTRIBUTE_READ_ONLY;
+        goto done;
+    }
+
+    cert = lg_getCert(obj, certHandle);
+    if (cert == NULL) {
+        crv = CKR_OBJECT_HANDLE_INVALID;
+        goto done;
+    }
+
+    /* if the app is trying to set CKA_ID, it's probably because it just
+     * imported the key. Look to see if we need to set the CERTDB_USER bits.
+     */
+    if (type == CKA_ID) {
+        if (((cert->trust->sslFlags & CERTDB_USER) == 0) &&
+            ((cert->trust->emailFlags & CERTDB_USER) == 0) &&
+            ((cert->trust->objectSigningFlags & CERTDB_USER) == 0)) {
+            NSSLOWKEYDBHandle *keyHandle;
+
+            keyHandle = lg_getKeyDB(obj->sdb);
+            if (keyHandle) {
+                if (nsslowkey_KeyForCertExists(keyHandle, cert)) {
+                    NSSLOWCERTCertTrust trust = *cert->trust;
+                    trust.sslFlags |= CERTDB_USER;
+                    trust.emailFlags |= CERTDB_USER;
+                    trust.objectSigningFlags |= CERTDB_USER;
+                    nsslowcert_ChangeCertTrust(certHandle, cert, &trust);
+                }
+            }
+        }
+        crv = CKR_OK;
+        goto done;
+    }
+
+    /* must be CKA_LABEL */
+    if (value != NULL) {
+        nickname = PORT_ZAlloc(len + 1);
+        if (nickname == NULL) {
+            crv = CKR_HOST_MEMORY;
+            goto done;
+        }
+        PORT_Memcpy(nickname, value, len);
+        nickname[len] = 0;
+    }
+    rv = nsslowcert_AddPermNickname(certHandle, cert, nickname);
+    crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR;
+
+done:
+    if (nickname) {
+        PORT_Free(nickname);
+    }
+    return crv;
+}
+
+static CK_RV
+lg_SetPrivateKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                          const void *value, unsigned int len,
+                          PRBool *writePrivate)
+{
+    NSSLOWKEYPrivateKey *privKey;
+    NSSLOWKEYDBHandle *keyHandle;
+    char *nickname = NULL;
+    SECStatus rv;
+    CK_RV crv;
+
+    /* we can't change the ID and we don't store the subject, but let the
+     * upper layers feel better about the fact we tried to set these */
+    if ((type == CKA_ID) || (type == CKA_SUBJECT) ||
+        (type == CKA_LOCAL) || (type == CKA_NEVER_EXTRACTABLE) ||
+        (type == CKA_ALWAYS_SENSITIVE)) {
+        return CKR_OK;
+    }
+
+    keyHandle = lg_getKeyDB(obj->sdb);
+    if (keyHandle == NULL) {
+        crv = CKR_TOKEN_WRITE_PROTECTED;
+        goto done;
+    }
+
+    privKey = lg_GetPrivateKeyWithDB(obj, keyHandle);
+    if (privKey == NULL) {
+        crv = CKR_OBJECT_HANDLE_INVALID;
+        goto done;
+    }
+
+    crv = CKR_ATTRIBUTE_READ_ONLY;
+    switch (type) {
+        case CKA_LABEL:
+            if (value != NULL) {
+                nickname = PORT_ZAlloc(len + 1);
+                if (nickname == NULL) {
+                    crv = CKR_HOST_MEMORY;
+                    goto done;
+                }
+                PORT_Memcpy(nickname, value, len);
+                nickname[len] = 0;
+            }
+            rv = nsslowkey_UpdateNickname(keyHandle, privKey, &obj->dbKey,
+                                          nickname, obj->sdb);
+            crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR;
+            break;
+        case CKA_UNWRAP:
+        case CKA_SIGN:
+        case CKA_DERIVE:
+        case CKA_SIGN_RECOVER:
+        case CKA_DECRYPT:
+            /* ignore attempts to change restrict these.
+             * legacyDB ignore these flags and always presents all of them
+             * that are valid as true.
+             * NOTE: We only get here if the current value and the new value do
+             * not match. */
+            if (*(char *)value == 0) {
+                crv = CKR_OK;
+            }
+            break;
+        case CKA_VALUE:
+        case CKA_PRIVATE_EXPONENT:
+        case CKA_PRIME_1:
+        case CKA_PRIME_2:
+        case CKA_EXPONENT_1:
+        case CKA_EXPONENT_2:
+        case CKA_COEFFICIENT:
+            /* We aren't really changing these values, we are just triggering
+     * the database to update it's entry */
+            *writePrivate = PR_TRUE;
+            crv = CKR_OK;
+            break;
+        default:
+            crv = CKR_ATTRIBUTE_READ_ONLY;
+            break;
+    }
+done:
+    if (nickname) {
+        PORT_Free(nickname);
+    }
+    return crv;
+}
+
+static CK_RV
+lg_SetPublicKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type,
+                         const void *value, unsigned int len,
+                         PRBool *writePrivate)
+{
+    /* we can't change the ID and we don't store the subject, but let the
+     * upper layers feel better about the fact we tried to set these */
+    if ((type == CKA_ID) || (type == CKA_SUBJECT) || (type == CKA_LABEL)) {
+        return CKR_OK;
+    }
+    return CKR_ATTRIBUTE_READ_ONLY;
+}
+
+static CK_RV
+lg_SetTrustAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attr)
+{
+    unsigned int flags;
+    CK_TRUST trust;
+    NSSLOWCERTCertificate *cert = NULL;
+    NSSLOWCERTCertDBHandle *certHandle;
+    NSSLOWCERTCertTrust dbTrust;
+    SECStatus rv;
+    CK_RV crv;
+
+    if (attr->type == CKA_LABEL) {
+        return CKR_OK;
+    }
+
+    crv = lg_GetULongAttribute(attr->type, attr, 1, &trust);
+    if (crv != CKR_OK) {
+        return crv;
+    }
+    flags = lg_MapTrust(trust, (PRBool)(attr->type == CKA_TRUST_CLIENT_AUTH));
+
+    certHandle = lg_getCertDB(obj->sdb);
+
+    if (certHandle == NULL) {
+        crv = CKR_TOKEN_WRITE_PROTECTED;
+        goto done;
+    }
+
+    cert = lg_getCert(obj, certHandle);
+    if (cert == NULL) {
+        crv = CKR_OBJECT_HANDLE_INVALID;
+        goto done;
+    }
+    dbTrust = *cert->trust;
+
+    switch (attr->type) {
+        case CKA_TRUST_EMAIL_PROTECTION:
+            dbTrust.emailFlags = flags |
+                                 (cert->trust->emailFlags & CERTDB_PRESERVE_TRUST_BITS);
+            break;
+        case CKA_TRUST_CODE_SIGNING:
+            dbTrust.objectSigningFlags = flags |
+                                         (cert->trust->objectSigningFlags & CERTDB_PRESERVE_TRUST_BITS);
+            break;
+        case CKA_TRUST_CLIENT_AUTH:
+            dbTrust.sslFlags = flags | (cert->trust->sslFlags &
+                                        (CERTDB_PRESERVE_TRUST_BITS | CERTDB_TRUSTED_CA));
+            break;
+        case CKA_TRUST_SERVER_AUTH:
+            dbTrust.sslFlags = flags | (cert->trust->sslFlags &
+                                        (CERTDB_PRESERVE_TRUST_BITS | CERTDB_TRUSTED_CLIENT_CA));
+            break;
+        default:
+            crv = CKR_ATTRIBUTE_READ_ONLY;
+            goto done;
+    }
+
+    rv = nsslowcert_ChangeCertTrust(certHandle, cert, &dbTrust);
+    crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR;
+done:
+    if (cert) {
+        nsslowcert_DestroyCertificate(cert);
+    }
+    return crv;
+}
+
+static CK_RV
+lg_SetSingleAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attr,
+                      PRBool *writePrivate)
+{
+    CK_ATTRIBUTE attribLocal;
+    CK_RV crv;
+
+    if ((attr->type == CKA_NSS_DB) && (obj->objclass == CKO_PRIVATE_KEY)) {
+        *writePrivate = PR_TRUE;
+        return CKR_OK;
+    }
+
+    /* Make sure the attribute exists first */
+    attribLocal.type = attr->type;
+    attribLocal.pValue = NULL;
+    attribLocal.ulValueLen = 0;
+    crv = lg_GetSingleAttribute(obj, &attribLocal);
+    if (crv != CKR_OK) {
+        return crv;
+    }
+
+    /* if we are just setting it to the value we already have,
+     * allow it to happen. Let label setting go through so
+     * we have the opportunity to repair any database corruption. */
+    if (attr->type != CKA_LABEL) {
+        if (lg_cmpAttribute(obj, attr)) {
+            return CKR_OK;
+        }
+    }
+
+    crv = CKR_ATTRIBUTE_READ_ONLY;
+    switch (obj->objclass) {
+        case CKO_CERTIFICATE:
+            /* change NICKNAME, EMAIL,  */
+            crv = lg_SetCertAttribute(obj, attr->type,
+                                      attr->pValue, attr->ulValueLen);
+            break;
+        case CKO_NSS_CRL:
+            /* change URL */
+            break;
+        case CKO_NSS_TRUST:
+            crv = lg_SetTrustAttribute(obj, attr);
+            break;
+        case CKO_PRIVATE_KEY:
+        case CKO_SECRET_KEY:
+            crv = lg_SetPrivateKeyAttribute(obj, attr->type,
+                                            attr->pValue, attr->ulValueLen, writePrivate);
+            break;
+        case CKO_PUBLIC_KEY:
+            crv = lg_SetPublicKeyAttribute(obj, attr->type,
+                                           attr->pValue, attr->ulValueLen, writePrivate);
+            break;
+    }
+    return crv;
+}
+
+/*
+ * Fill in the attribute template based on the data in the database.
+ */
+CK_RV
+lg_SetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE handle,
+                     const CK_ATTRIBUTE *templ, CK_ULONG count)
+{
+    LGObjectCache *obj = lg_NewObjectCache(sdb, NULL, handle & ~LG_TOKEN_MASK);
+    CK_RV crv, crvCollect = CKR_OK;
+    PRBool writePrivate = PR_FALSE;
+    unsigned int i;
+
+    if (obj == NULL) {
+        return CKR_OBJECT_HANDLE_INVALID;
+    }
+
+    for (i = 0; i < count; i++) {
+        crv = lg_SetSingleAttribute(obj, &templ[i], &writePrivate);
+        if (crvCollect == CKR_OK)
+            crvCollect = crv;
+    }
+
+    /* Write any collected changes out for private and secret keys.
+     *  don't do the write for just the label */
+    if (writePrivate) {
+        NSSLOWKEYPrivateKey *privKey = lg_GetPrivateKey(obj);
+        SECStatus rv = SECFailure;
+        char *label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey);
+
+        if (privKey) {
+            rv = nsslowkey_StoreKeyByPublicKeyAlg(lg_getKeyDB(sdb), privKey,
+                                                  &obj->dbKey, label, sdb, PR_TRUE);
+        }
+        if (rv != SECSuccess) {
+            crv = CKR_DEVICE_ERROR;
+        }
+        PORT_Free(label);
+    }
+
+    lg_DestroyObjectCache(obj);
+    return crvCollect;
+}