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_PolicyGetDigest_Prepare(TSS2_SYS_CONTEXT * sysContext,TPMI_SH_POLICY policySession)15 TSS2_RC Tss2_Sys_PolicyGetDigest_Prepare(
16 TSS2_SYS_CONTEXT *sysContext,
17 TPMI_SH_POLICY policySession)
18 {
19 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
20 TSS2_RC rval;
21
22 if (!ctx)
23 return TSS2_SYS_RC_BAD_REFERENCE;
24
25 rval = CommonPreparePrologue(ctx, TPM2_CC_PolicyGetDigest);
26 if (rval)
27 return rval;
28
29 rval = Tss2_MU_UINT32_Marshal(policySession, ctx->cmdBuffer,
30 ctx->maxCmdSize,
31 &ctx->nextData);
32 if (rval)
33 return rval;
34
35 ctx->decryptAllowed = 0;
36 ctx->encryptAllowed = 1;
37 ctx->authAllowed = 1;
38
39 return CommonPrepareEpilogue(ctx);
40 }
41
Tss2_Sys_PolicyGetDigest_Complete(TSS2_SYS_CONTEXT * sysContext,TPM2B_DIGEST * policyDigest)42 TSS2_RC Tss2_Sys_PolicyGetDigest_Complete(
43 TSS2_SYS_CONTEXT *sysContext,
44 TPM2B_DIGEST *policyDigest)
45 {
46 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
47 TSS2_RC rval;
48
49 if (!ctx)
50 return TSS2_SYS_RC_BAD_REFERENCE;
51
52 rval = CommonComplete(ctx);
53 if (rval)
54 return rval;
55
56 return Tss2_MU_TPM2B_DIGEST_Unmarshal(ctx->cmdBuffer,
57 ctx->maxCmdSize,
58 &ctx->nextData,
59 policyDigest);
60 }
61
Tss2_Sys_PolicyGetDigest(TSS2_SYS_CONTEXT * sysContext,TPMI_SH_POLICY policySession,TSS2L_SYS_AUTH_COMMAND const * cmdAuthsArray,TPM2B_DIGEST * policyDigest,TSS2L_SYS_AUTH_RESPONSE * rspAuthsArray)62 TSS2_RC Tss2_Sys_PolicyGetDigest(
63 TSS2_SYS_CONTEXT *sysContext,
64 TPMI_SH_POLICY policySession,
65 TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
66 TPM2B_DIGEST *policyDigest,
67 TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
68 {
69 _TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
70 TSS2_RC rval;
71
72 rval = Tss2_Sys_PolicyGetDigest_Prepare(sysContext, policySession);
73 if (rval)
74 return rval;
75
76 rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
77 if (rval)
78 return rval;
79
80 return Tss2_Sys_PolicyGetDigest_Complete(sysContext, policyDigest);
81 }
82