Use the NSS internal key slot for all temporary key operations

net/http/des.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/http/des.h"
 
 #include "base/logging.h"
 
 #if defined(USE_OPENSSL)
 #include <openssl/des.h>
@@ skipping 96 matching lines @@
   PK11SlotInfo* slot = NULL;
   PK11SymKey* symkey = NULL;
   PK11Context* ctxt = NULL;
   SECItem key_item;
   SECItem* param = NULL;
   SECStatus rv;
   unsigned int n;
 
   crypto::EnsureNSSInit();
 
-  slot = PK11_GetBestSlot(cipher_mech, NULL);
+  slot = PK11_GetInternalSlot();
   if (!slot)
     goto done;
 
   key_item.data = const_cast<uint8*>(key);
   key_item.len = 8;
   symkey = PK11_ImportSymKey(slot, cipher_mech,
                              PK11_OriginUnwrap, CKA_ENCRYPT,
                              &key_item, NULL);
   if (!symkey)
     goto done;
@@ skipping 83 matching lines @@
     // Pass a 'Final' of FALSE, otherwise CryptEncrypt appends one additional
     // block of padding to the data.
     DWORD hash_len = 8;
     CryptEncrypt(key, 0, FALSE, 0, hash, &hash_len, 8);
   }
 }
 
 #endif
 
 }  // namespace net