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104 lines
4.3 KiB
104 lines
4.3 KiB
// 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 "Load_fp.h" |
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#include "Object_spt_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_ASYMMETRIC storage key with different asymmetric type than parent |
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// TPM_RC_ATTRIBUTES inPulblic attributes are not allowed with selected parent |
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// TPM_RC_BINDING inPrivate and inPublic are not cryptographically bound |
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// TPM_RC_HASH incorrect hash selection for signing key |
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// TPM_RC_INTEGRITY HMAC on inPrivate was not valid |
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// TPM_RC_KDF KDF selection not allowed |
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// TPM_RC_KEY the size of the object's unique field is not consistent with the indicated |
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// size in the object's parameters |
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// TPM_RC_OBJECT_MEMORY no available object slot |
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// TPM_RC_SCHEME the signing scheme is not valid for the key |
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// TPM_RC_SENSITIVE the inPrivate did not unmarshal correctly |
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// TPM_RC_SIZE inPrivate missing, or authPolicy size for inPublic or is not valid |
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// TPM_RC_SYMMETRIC symmetric algorithm not provided when required |
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// TPM_RC_TYPE parentHandle is not a storage key, or the object to load is a storage |
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// key but its parameters do not match the parameters of the parent. |
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// TPM_RC_VALUE decryption failure |
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// |
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TPM_RC |
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TPM2_Load( |
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Load_In *in, // IN: input parameter list |
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Load_Out *out // OUT: output parameter list |
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) |
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{ |
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TPM_RC result = TPM_RC_SUCCESS; |
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TPMT_SENSITIVE sensitive; |
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TPMI_RH_HIERARCHY hierarchy; |
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OBJECT *parentObject = NULL; |
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BOOL skipChecks = FALSE; |
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// Input Validation |
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if(in->inPrivate.t.size == 0) |
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return TPM_RC_SIZE + RC_Load_inPrivate; |
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parentObject = ObjectGet(in->parentHandle); |
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// Is the object that is being used as the parent actually a parent. |
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if(!AreAttributesForParent(parentObject)) |
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return TPM_RC_TYPE + RC_Load_parentHandle; |
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// If the parent is fixedTPM, then the attributes of the object |
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// are either "correct by construction" or were validated |
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// when the object was imported. If they pass the integrity |
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// check, then the values are valid |
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if(parentObject->publicArea.objectAttributes.fixedTPM) |
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skipChecks = TRUE; |
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else |
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{ |
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// If parent doesn't have fixedTPM SET, then this can't have |
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// fixedTPM SET. |
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if(in->inPublic.t.publicArea.objectAttributes.fixedTPM == SET) |
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return TPM_RC_ATTRIBUTES + RC_Load_inPublic; |
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// Perform self check on input public area. A TPM_RC_SIZE, TPM_RC_SCHEME, |
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// TPM_RC_VALUE, TPM_RC_SYMMETRIC, TPM_RC_TYPE, TPM_RC_HASH, |
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// TPM_RC_ASYMMETRIC, TPM_RC_ATTRIBUTES or TPM_RC_KDF error may be returned |
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// at this point |
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result = PublicAttributesValidation(TRUE, in->parentHandle, |
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&in->inPublic.t.publicArea); |
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if(result != TPM_RC_SUCCESS) |
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return RcSafeAddToResult(result, RC_Load_inPublic); |
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} |
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// Compute the name of object |
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ObjectComputeName(&in->inPublic.t.publicArea, &out->name); |
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// Retrieve sensitive data. PrivateToSensitive() may return TPM_RC_INTEGRITY or |
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// TPM_RC_SENSITIVE |
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// errors may be returned at this point |
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result = PrivateToSensitive(&in->inPrivate, &out->name, in->parentHandle, |
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in->inPublic.t.publicArea.nameAlg, |
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&sensitive); |
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if(result != TPM_RC_SUCCESS) |
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return RcSafeAddToResult(result, RC_Load_inPrivate); |
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// Internal Data Update |
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// Get hierarchy of parent |
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hierarchy = ObjectGetHierarchy(in->parentHandle); |
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// Create internal object. A lot of different errors may be returned by this |
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// loading operation as it will do several validations, including the public |
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// binding check |
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result = ObjectLoad(hierarchy, &in->inPublic.t.publicArea, &sensitive, |
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&out->name, in->parentHandle, skipChecks, |
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&out->objectHandle); |
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if(result != TPM_RC_SUCCESS) |
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return result; |
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return TPM_RC_SUCCESS; |
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}
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