| // This file was extracted from the TCG Published |
| // Trusted Platform Module Library |
| // Part 3: Commands |
| // Family "2.0" |
| // Level 00 Revision 01.16 |
| // October 30, 2014 |
| |
| #include "InternalRoutines.h" |
| #include "Load_fp.h" |
| #include "Object_spt_fp.h" |
| // |
| // |
| // Error Returns Meaning |
| // |
| // TPM_RC_ASYMMETRIC storage key with different asymmetric type than parent |
| // TPM_RC_ATTRIBUTES inPulblic attributes are not allowed with selected parent |
| // TPM_RC_BINDING inPrivate and inPublic are not cryptographically bound |
| // TPM_RC_HASH incorrect hash selection for signing key |
| // TPM_RC_INTEGRITY HMAC on inPrivate was not valid |
| // TPM_RC_KDF KDF selection not allowed |
| // TPM_RC_KEY the size of the object's unique field is not consistent with the indicated |
| // size in the object's parameters |
| // TPM_RC_OBJECT_MEMORY no available object slot |
| // TPM_RC_SCHEME the signing scheme is not valid for the key |
| // TPM_RC_SENSITIVE the inPrivate did not unmarshal correctly |
| // TPM_RC_SIZE inPrivate missing, or authPolicy size for inPublic or is not valid |
| // TPM_RC_SYMMETRIC symmetric algorithm not provided when required |
| // TPM_RC_TYPE parentHandle is not a storage key, or the object to load is a storage |
| // key but its parameters do not match the parameters of the parent. |
| // TPM_RC_VALUE decryption failure |
| // |
| TPM_RC |
| TPM2_Load( |
| Load_In *in, // IN: input parameter list |
| Load_Out *out // OUT: output parameter list |
| ) |
| { |
| TPM_RC result = TPM_RC_SUCCESS; |
| TPMT_SENSITIVE sensitive; |
| TPMI_RH_HIERARCHY hierarchy; |
| OBJECT *parentObject = NULL; |
| BOOL skipChecks = FALSE; |
| |
| // Input Validation |
| if(in->inPrivate.t.size == 0) |
| return TPM_RC_SIZE + RC_Load_inPrivate; |
| |
| parentObject = ObjectGet(in->parentHandle); |
| // Is the object that is being used as the parent actually a parent. |
| if(!AreAttributesForParent(parentObject)) |
| return TPM_RC_TYPE + RC_Load_parentHandle; |
| |
| // If the parent is fixedTPM, then the attributes of the object |
| // are either "correct by construction" or were validated |
| // when the object was imported. If they pass the integrity |
| // check, then the values are valid |
| if(parentObject->publicArea.objectAttributes.fixedTPM) |
| skipChecks = TRUE; |
| else |
| { |
| // If parent doesn't have fixedTPM SET, then this can't have |
| // fixedTPM SET. |
| if(in->inPublic.t.publicArea.objectAttributes.fixedTPM == SET) |
| return TPM_RC_ATTRIBUTES + RC_Load_inPublic; |
| |
| // Perform self check on input public area. A TPM_RC_SIZE, TPM_RC_SCHEME, |
| // TPM_RC_VALUE, TPM_RC_SYMMETRIC, TPM_RC_TYPE, TPM_RC_HASH, |
| // TPM_RC_ASYMMETRIC, TPM_RC_ATTRIBUTES or TPM_RC_KDF error may be returned |
| // at this point |
| result = PublicAttributesValidation(TRUE, in->parentHandle, |
| &in->inPublic.t.publicArea); |
| if(result != TPM_RC_SUCCESS) |
| return RcSafeAddToResult(result, RC_Load_inPublic); |
| } |
| |
| // Compute the name of object |
| ObjectComputeName(&in->inPublic.t.publicArea, &out->name); |
| |
| // Retrieve sensitive data. PrivateToSensitive() may return TPM_RC_INTEGRITY or |
| // TPM_RC_SENSITIVE |
| // errors may be returned at this point |
| result = PrivateToSensitive(&in->inPrivate, &out->name, in->parentHandle, |
| in->inPublic.t.publicArea.nameAlg, |
| &sensitive); |
| if(result != TPM_RC_SUCCESS) |
| return RcSafeAddToResult(result, RC_Load_inPrivate); |
| |
| // Internal Data Update |
| |
| // Get hierarchy of parent |
| hierarchy = ObjectGetHierarchy(in->parentHandle); |
| |
| // Create internal object. A lot of different errors may be returned by this |
| // loading operation as it will do several validations, including the public |
| // binding check |
| result = ObjectLoad(hierarchy, &in->inPublic.t.publicArea, &sensitive, |
| &out->name, in->parentHandle, skipChecks, |
| &out->objectHandle); |
| |
| if(result != TPM_RC_SUCCESS) |
| return result; |
| |
| return TPM_RC_SUCCESS; |
| } |
