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 "Load_fp.h"
37
38 #if CC_Load // Conditional expansion of this file
39
40 #include "Object_spt_fp.h"
41
42 /*(See part 3 specification)
43 // Load an ordinary or temporary object
44 */
45 // Return Type: TPM_RC
46 // TPM_RC_ATTRIBUTES 'inPulblic' attributes are not allowed with selected
47 // parent
48 // TPM_RC_BINDING 'inPrivate' and 'inPublic' are not
49 // cryptographically bound
50 // TPM_RC_HASH incorrect hash selection for signing key or
51 // the 'nameAlg' for 'inPubic' is not valid
52 // TPM_RC_INTEGRITY HMAC on 'inPrivate' was not valid
53 // TPM_RC_KDF KDF selection not allowed
54 // TPM_RC_KEY the size of the object's 'unique' field is not
55 // consistent with the indicated size in the object's
56 // parameters
57 // TPM_RC_OBJECT_MEMORY no available object slot
58 // TPM_RC_SCHEME the signing scheme is not valid for the key
59 // TPM_RC_SENSITIVE the 'inPrivate' did not unmarshal correctly
60 // TPM_RC_SIZE 'inPrivate' missing, or 'authPolicy' size for
61 // 'inPublic' or is not valid
62 // TPM_RC_SYMMETRIC symmetric algorithm not provided when required
63 // TPM_RC_TYPE 'parentHandle' is not a storage key, or the object
64 // to load is a storage key but its parameters do not
65 // match the parameters of the parent.
66 // TPM_RC_VALUE decryption failure
67 TPM_RC
TPM2_Load(Load_In * in,Load_Out * out)68 TPM2_Load(
69 Load_In *in, // IN: input parameter list
70 Load_Out *out // OUT: output parameter list
71 )
72 {
73 TPM_RC result = TPM_RC_SUCCESS;
74 TPMT_SENSITIVE sensitive;
75 OBJECT *parentObject;
76 OBJECT *newObject;
77
78 // Input Validation
79 // Don't get invested in loading if there is no place to put it.
80 newObject = FindEmptyObjectSlot(&out->objectHandle);
81 if(newObject == NULL)
82 return TPM_RC_OBJECT_MEMORY;
83
84 if(in->inPrivate.t.size == 0)
85 return TPM_RCS_SIZE + RC_Load_inPrivate;
86
87 parentObject = HandleToObject(in->parentHandle);
88 pAssert(parentObject != NULL);
89 // Is the object that is being used as the parent actually a parent.
90 if(!ObjectIsParent(parentObject))
91 return TPM_RCS_TYPE + RC_Load_parentHandle;
92
93 // Compute the name of object. If there isn't one, it is because the nameAlg is
94 // not valid.
95 PublicMarshalAndComputeName(&in->inPublic.publicArea, &out->name);
96 if(out->name.t.size == 0)
97 return TPM_RCS_HASH + RC_Load_inPublic;
98
99 // Retrieve sensitive data.
100 result = PrivateToSensitive(&in->inPrivate.b, &out->name.b, parentObject,
101 in->inPublic.publicArea.nameAlg,
102 &sensitive);
103 if(result != TPM_RC_SUCCESS)
104 return RcSafeAddToResult(result, RC_Load_inPrivate);
105
106 // Internal Data Update
107 // Load and validate object
108 result = ObjectLoad(newObject, parentObject,
109 &in->inPublic.publicArea, &sensitive,
110 RC_Load_inPublic, RC_Load_inPrivate,
111 &out->name);
112 if(result == TPM_RC_SUCCESS)
113 {
114 // Set the common OBJECT attributes for a loaded object.
115 ObjectSetLoadedAttributes(newObject, in->parentHandle);
116 }
117 return result;
118
119 }
120
121 #endif // CC_Load