1 /* Microsoft Reference Implementation for TPM 2.0
2 *
3 * The copyright in this software is being made available under the BSD License,
4 * included below. This software may be subject to other third party and
5 * contributor rights, including patent rights, and no such rights are granted
6 * under this license.
7 *
8 * Copyright (c) Microsoft Corporation
9 *
10 * All rights reserved.
11 *
12 * BSD License
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 *
17 * Redistributions of source code must retain the above copyright notice, this list
18 * of conditions and the following disclaimer.
19 *
20 * Redistributions in binary form must reproduce the above copyright notice, this
21 * list of conditions and the following disclaimer in the documentation and/or
22 * other materials provided with the distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
28 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
31 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35 #include "Tpm.h"
36 #include "NV_UndefineSpaceSpecial_fp.h"
37 #include "SessionProcess_fp.h"
38
39 #if CC_NV_UndefineSpaceSpecial // Conditional expansion of this file
40
41 /*(See part 3 specification)
42 // Delete a NV index that requires policy to delete.
43 */
44 // Return Type: TPM_RC
45 // TPM_RC_ATTRIBUTES TPMA_NV_POLICY_DELETE is not SET in the
46 // Index referenced by 'nvIndex'
47 TPM_RC
TPM2_NV_UndefineSpaceSpecial(NV_UndefineSpaceSpecial_In * in)48 TPM2_NV_UndefineSpaceSpecial(
49 NV_UndefineSpaceSpecial_In *in // IN: input parameter list
50 )
51 {
52 TPM_RC result;
53 NV_REF locator;
54 NV_INDEX *nvIndex = NvGetIndexInfo(in->nvIndex, &locator);
55 // Input Validation
56 // This operation only applies when the TPMA_NV_POLICY_DELETE attribute is SET
57 if(!IS_ATTRIBUTE(nvIndex->publicArea.attributes, TPMA_NV, POLICY_DELETE))
58 return TPM_RCS_ATTRIBUTES + RC_NV_UndefineSpaceSpecial_nvIndex;
59 // Internal Data Update
60 // Call implementation dependent internal routine to delete NV index
61 result = NvDeleteIndex(nvIndex, locator);
62
63 // If we just removed the index providing the authorization, make sure that the
64 // authorization session computation is modified so that it doesn't try to
65 // access the authValue of the just deleted index
66 if(result == TPM_RC_SUCCESS)
67 SessionRemoveAssociationToHandle(in->nvIndex);
68 return result;
69 }
70
71 #endif // CC_NV_UndefineSpaceSpecial