74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
// This file was extracted from the TCG Published
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// Trusted Platform Module Library
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// Part 3: Commands
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// Family "2.0"
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// Level 00 Revision 01.16
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// October 30, 2014
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#include "InternalRoutines.h"
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#include "SetPrimaryPolicy_fp.h"
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//
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//
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// Error Returns Meaning
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//
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// TPM_RC_SIZE size of input authPolicy is not consistent with input hash algorithm
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//
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TPM_RC
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TPM2_SetPrimaryPolicy(
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SetPrimaryPolicy_In *in // IN: input parameter list
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)
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{
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TPM_RC result;
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// Input Validation
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// Check the authPolicy consistent with hash algorithm. If the policy size is
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// zero, then the algorithm is required to be TPM_ALG_NULL
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if(in->authPolicy.t.size != CryptGetHashDigestSize(in->hashAlg))
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return TPM_RC_SIZE + RC_SetPrimaryPolicy_authPolicy;
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// The command need NV update for OWNER and ENDORSEMENT hierarchy, and
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// might need orderlyState update for PLATFROM hierarchy.
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// Check if NV is available. A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE
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// error may be returned at this point
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result = NvIsAvailable();
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if(result != TPM_RC_SUCCESS)
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return result;
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// Internal Data Update
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// Set hierarchy policy
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switch(in->authHandle)
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{
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case TPM_RH_OWNER:
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gp.ownerAlg = in->hashAlg;
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gp.ownerPolicy = in->authPolicy;
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NvWriteReserved(NV_OWNER_ALG, &gp.ownerAlg);
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NvWriteReserved(NV_OWNER_POLICY, &gp.ownerPolicy);
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break;
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case TPM_RH_ENDORSEMENT:
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gp.endorsementAlg = in->hashAlg;
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gp.endorsementPolicy = in->authPolicy;
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NvWriteReserved(NV_ENDORSEMENT_ALG, &gp.endorsementAlg);
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NvWriteReserved(NV_ENDORSEMENT_POLICY, &gp.endorsementPolicy);
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break;
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case TPM_RH_PLATFORM:
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gc.platformAlg = in->hashAlg;
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gc.platformPolicy = in->authPolicy;
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// need to update orderly state
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g_clearOrderly = TRUE;
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break;
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case TPM_RH_LOCKOUT:
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gp.lockoutAlg = in->hashAlg;
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gp.lockoutPolicy = in->authPolicy;
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NvWriteReserved(NV_LOCKOUT_ALG, &gp.lockoutAlg);
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NvWriteReserved(NV_LOCKOUT_POLICY, &gp.lockoutPolicy);
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break;
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default:
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pAssert(FALSE);
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break;
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}
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return TPM_RC_SUCCESS;
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}
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