--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/softoken/legacydb/lgattr.c	Tue Aug 05 18:32:02 2014 +0200
@@ -0,0 +1,1790 @@
+/* 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:
+    if (obj) {
+	(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;
+    }
+    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;
+static const CK_ATTRIBUTE lg_StaticOneAttr = 
+  LG_DEF_ATTRIBUTE(&lg_StaticOneValue,sizeof(lg_StaticOneValue));
+
+/*
+ * 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;
+#ifndef NSS_DISABLE_ECC
+    case NSSLOWKEYECKey:
+	    pubItem = &pubKey->u.ec.publicValue;
+	    break;
+#endif /* NSS_DISABLE_ECC */
+    default:
+	    break;
+    }
+    return pubItem;
+}
+
+static const SEC_ASN1Template lg_SerialTemplate[] = {
+    { SEC_ASN1_INTEGER, offsetof(NSSLOWCERTCertificate,serialNumber) },
+    { 0 }
+};
+
+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);
+}
+
+#ifndef NSS_DISABLE_ECC
+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 (getenv("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);
+}
+#endif /* NSS_DISABLE_ECC */
+
+
+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);
+#ifndef NSS_DISABLE_ECC
+    case NSSLOWKEYECKey:
+	return lg_FindECPublicKeyAttribute(key,type,attribute);
+#endif /* NSS_DISABLE_ECC */
+    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_NETSCAPE_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_NETSCAPE_DB:
+	return lg_CopyAttributeSigned(attribute, type,
+					key->u.dh.publicValue.data,
+					key->u.dh.publicValue.len);
+    default:
+	break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+
+#ifndef NSS_DISABLE_ECC
+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_CopyPrivAttrSigned(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_NETSCAPE_DB:
+	return lg_CopyAttributeSigned(attribute, type,
+					key->u.ec.publicValue.data,
+					key->u.ec.publicValue.len);
+    default:
+	break;
+    }
+    return lg_invalidAttribute(attribute);
+}
+#endif /* NSS_DISABLE_ECC */
+
+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);
+#ifndef NSS_DISABLE_ECC
+    case NSSLOWKEYECKey:
+	return lg_FindECPrivateKeyAttribute(key,type,attribute,obj->sdb);
+#endif /* NSS_DISABLE_ECC */
+    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;
+
+    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->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;
+    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:
+    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_NETSCAPE_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;
+	}
+    }
+
+    lg_DestroyObjectCache(obj);
+    return crvCollect;
+}