1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /***********************************************************************;
3 * Copyright (c) 2015 - 2017, Intel Corporation
4 * All rights reserved.
5 ***********************************************************************/
6
7 #ifdef HAVE_CONFIG_H
8 #include <config.h>
9 #endif
10
11 #include "tss2_tpm2_types.h"
12 #include "tss2_mu.h"
13 #include "sysapi_util.h"
14
Tss2_Sys_LoadExternal_Prepare(TSS2_SYS_CONTEXT * sysContext,const TPM2B_SENSITIVE * inPrivate,const TPM2B_PUBLIC * inPublic,TPMI_RH_HIERARCHY hierarchy)15 TSS2_RC Tss2_Sys_LoadExternal_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 const TPM2B_SENSITIVE *inPrivate,
18 const TPM2B_PUBLIC *inPublic,
19 TPMI_RH_HIERARCHY hierarchy)
20 {
21 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
22 TSS2_RC rval;
23
24 if (!ctx)
25 return TSS2_SYS_RC_BAD_REFERENCE;
26
27 rval = CommonPreparePrologue(ctx, TPM2_CC_LoadExternal);
28 if (rval)
29 return rval;
30
31 /* If no private key is specified, set the private key size field to 0 */
32 if (!inPrivate) {
33 ctx->decryptNull = 1;
34
35 rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer,
36 ctx->maxCmdSize,
37 &ctx->nextData);
38 } else {
39
40 rval = Tss2_MU_TPM2B_SENSITIVE_Marshal(inPrivate,
41 ctx->cmdBuffer,
42 ctx->maxCmdSize,
43 &ctx->nextData);
44 }
45
46 if (rval)
47 return rval;
48
49 if (!inPublic) {
50 rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer,
51 ctx->maxCmdSize,
52 &ctx->nextData);
53
54 } else {
55 rval = ValidatePublicTemplate(inPublic);
56
57 if (rval)
58 return rval;
59
60 rval = Tss2_MU_TPM2B_PUBLIC_Marshal(inPublic, ctx->cmdBuffer,
61 ctx->maxCmdSize,
62 &ctx->nextData);
63 }
64
65 if (rval)
66 return rval;
67
68 rval = Tss2_MU_UINT32_Marshal(hierarchy, ctx->cmdBuffer,
69 ctx->maxCmdSize,
70 &ctx->nextData);
71 if (rval)
72 return rval;
73
74 ctx->decryptAllowed = 1;
75 ctx->encryptAllowed = 1;
76 ctx->authAllowed = 1;
77
78 return CommonPrepareEpilogue(ctx);
79 }
80
Tss2_Sys_LoadExternal_Complete(TSS2_SYS_CONTEXT * sysContext,TPM2_HANDLE * objectHandle,TPM2B_NAME * name)81 TSS2_RC Tss2_Sys_LoadExternal_Complete(
82 TSS2_SYS_CONTEXT *sysContext,
83 TPM2_HANDLE *objectHandle,
84 TPM2B_NAME *name)
85 {
86 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
87 TSS2_RC rval;
88
89 if (!ctx)
90 return TSS2_SYS_RC_BAD_REFERENCE;
91
92 rval = Tss2_MU_UINT32_Unmarshal(ctx->cmdBuffer,
93 ctx->maxCmdSize,
94 &ctx->nextData,
95 objectHandle);
96 if (rval)
97 return rval;
98
99 rval = CommonComplete(ctx);
100 if (rval)
101 return rval;
102
103 return Tss2_MU_TPM2B_NAME_Unmarshal(ctx->cmdBuffer,
104 ctx->maxCmdSize,
105 &ctx->nextData, name);
106 }
107
Tss2_Sys_LoadExternal(TSS2_SYS_CONTEXT * sysContext,TSS2L_SYS_AUTH_COMMAND const * cmdAuthsArray,const TPM2B_SENSITIVE * inPrivate,const TPM2B_PUBLIC * inPublic,TPMI_RH_HIERARCHY hierarchy,TPM2_HANDLE * objectHandle,TPM2B_NAME * name,TSS2L_SYS_AUTH_RESPONSE * rspAuthsArray)108 TSS2_RC Tss2_Sys_LoadExternal(
109 TSS2_SYS_CONTEXT *sysContext,
110 TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
111 const TPM2B_SENSITIVE *inPrivate,
112 const TPM2B_PUBLIC *inPublic,
113 TPMI_RH_HIERARCHY hierarchy,
114 TPM2_HANDLE *objectHandle,
115 TPM2B_NAME *name,
116 TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
117 {
118 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
119 TSS2_RC rval;
120
121 rval = Tss2_Sys_LoadExternal_Prepare(sysContext, inPrivate, inPublic, hierarchy);
122 if (rval)
123 return rval;
124
125 rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
126 if (rval)
127 return rval;
128
129 return Tss2_Sys_LoadExternal_Complete(sysContext, objectHandle, name);
130 }
131