81 lines
2.8 KiB
C
81 lines
2.8 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 "Attest_spt_fp.h"
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#include "Certify_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_KEY key referenced by signHandle is not a signing key
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// TPM_RC_SCHEME inScheme is not compatible with signHandle
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// TPM_RC_VALUE digest generated for inScheme is greater or has larger size than the
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// modulus of signHandle, or the buffer for the result in signature is too
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// small (for an RSA key); invalid commit status (for an ECC key with a
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// split scheme).
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//
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TPM_RC
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TPM2_Certify(
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Certify_In *in, // IN: input parameter list
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Certify_Out *out // OUT: output parameter list
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)
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{
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TPM_RC result;
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TPMS_ATTEST certifyInfo;
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// Command Output
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// Filling in attest information
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// Common fields
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result = FillInAttestInfo(in->signHandle,
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&in->inScheme,
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&in->qualifyingData,
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&certifyInfo);
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if(result != TPM_RC_SUCCESS)
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{
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if(result == TPM_RC_KEY)
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return TPM_RC_KEY + RC_Certify_signHandle;
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else
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return RcSafeAddToResult(result, RC_Certify_inScheme);
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}
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// Certify specific fields
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// Attestation type
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certifyInfo.type = TPM_ST_ATTEST_CERTIFY;
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// Certified object name
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certifyInfo.attested.certify.name.t.size =
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ObjectGetName(in->objectHandle,
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&certifyInfo.attested.certify.name.t.name);
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// Certified object qualified name
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ObjectGetQualifiedName(in->objectHandle,
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&certifyInfo.attested.certify.qualifiedName);
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// Sign attestation structure. A NULL signature will be returned if
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// signHandle is TPM_RH_NULL. A TPM_RC_NV_UNAVAILABLE, TPM_RC_NV_RATE,
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// TPM_RC_VALUE, TPM_RC_SCHEME or TPM_RC_ATTRIBUTES error may be returned
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// by SignAttestInfo()
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result = SignAttestInfo(in->signHandle,
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&in->inScheme,
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&certifyInfo,
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&in->qualifyingData,
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&out->certifyInfo,
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&out->signature);
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// TPM_RC_ATTRIBUTES cannot be returned here as FillInAttestInfo would already
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// have returned TPM_RC_KEY
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pAssert(result != TPM_RC_ATTRIBUTES);
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if(result != TPM_RC_SUCCESS)
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return result;
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// orderly state should be cleared because of the reporting of clock info
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// if signing happens
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if(in->signHandle != TPM_RH_NULL)
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g_clearOrderly = TRUE;
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return TPM_RC_SUCCESS;
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}
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