| Vadim Bendebury | 5679752 | 2015-05-20 10:32:25 -0700 | [diff] [blame] | 1 | // This file was extracted from the TCG Published |
| 2 | // Trusted Platform Module Library |
| 3 | // Part 3: Commands |
| 4 | // Family "2.0" |
| 5 | // Level 00 Revision 01.16 |
| 6 | // October 30, 2014 |
| 7 | |
| 8 | #include "InternalRoutines.h" |
| 9 | #include "Load_fp.h" |
| 10 | #include "Object_spt_fp.h" |
| 11 | // |
| 12 | // |
| 13 | // Error Returns Meaning |
| 14 | // |
| 15 | // TPM_RC_ASYMMETRIC storage key with different asymmetric type than parent |
| 16 | // TPM_RC_ATTRIBUTES inPulblic attributes are not allowed with selected parent |
| 17 | // TPM_RC_BINDING inPrivate and inPublic are not cryptographically bound |
| 18 | // TPM_RC_HASH incorrect hash selection for signing key |
| 19 | // TPM_RC_INTEGRITY HMAC on inPrivate was not valid |
| 20 | // TPM_RC_KDF KDF selection not allowed |
| 21 | // TPM_RC_KEY the size of the object's unique field is not consistent with the indicated |
| 22 | // size in the object's parameters |
| 23 | // TPM_RC_OBJECT_MEMORY no available object slot |
| 24 | // TPM_RC_SCHEME the signing scheme is not valid for the key |
| 25 | // TPM_RC_SENSITIVE the inPrivate did not unmarshal correctly |
| 26 | // TPM_RC_SIZE inPrivate missing, or authPolicy size for inPublic or is not valid |
| 27 | // TPM_RC_SYMMETRIC symmetric algorithm not provided when required |
| 28 | // TPM_RC_TYPE parentHandle is not a storage key, or the object to load is a storage |
| 29 | // key but its parameters do not match the parameters of the parent. |
| 30 | // TPM_RC_VALUE decryption failure |
| 31 | // |
| 32 | TPM_RC |
| 33 | TPM2_Load( |
| 34 | Load_In *in, // IN: input parameter list |
| 35 | Load_Out *out // OUT: output parameter list |
| 36 | ) |
| 37 | { |
| 38 | TPM_RC result = TPM_RC_SUCCESS; |
| 39 | TPMT_SENSITIVE sensitive; |
| 40 | TPMI_RH_HIERARCHY hierarchy; |
| 41 | OBJECT *parentObject = NULL; |
| 42 | BOOL skipChecks = FALSE; |
| 43 | |
| 44 | // Input Validation |
| 45 | if(in->inPrivate.t.size == 0) |
| 46 | return TPM_RC_SIZE + RC_Load_inPrivate; |
| 47 | |
| 48 | parentObject = ObjectGet(in->parentHandle); |
| 49 | // Is the object that is being used as the parent actually a parent. |
| 50 | if(!AreAttributesForParent(parentObject)) |
| 51 | return TPM_RC_TYPE + RC_Load_parentHandle; |
| 52 | |
| 53 | // If the parent is fixedTPM, then the attributes of the object |
| 54 | // are either "correct by construction" or were validated |
| 55 | // when the object was imported. If they pass the integrity |
| 56 | // check, then the values are valid |
| 57 | if(parentObject->publicArea.objectAttributes.fixedTPM) |
| 58 | skipChecks = TRUE; |
| 59 | else |
| 60 | { |
| 61 | // If parent doesn't have fixedTPM SET, then this can't have |
| 62 | // fixedTPM SET. |
| 63 | if(in->inPublic.t.publicArea.objectAttributes.fixedTPM == SET) |
| 64 | return TPM_RC_ATTRIBUTES + RC_Load_inPublic; |
| 65 | |
| 66 | // Perform self check on input public area. A TPM_RC_SIZE, TPM_RC_SCHEME, |
| 67 | // TPM_RC_VALUE, TPM_RC_SYMMETRIC, TPM_RC_TYPE, TPM_RC_HASH, |
| 68 | // TPM_RC_ASYMMETRIC, TPM_RC_ATTRIBUTES or TPM_RC_KDF error may be returned |
| 69 | // at this point |
| 70 | result = PublicAttributesValidation(TRUE, in->parentHandle, |
| 71 | &in->inPublic.t.publicArea); |
| 72 | if(result != TPM_RC_SUCCESS) |
| 73 | return RcSafeAddToResult(result, RC_Load_inPublic); |
| 74 | } |
| 75 | |
| 76 | // Compute the name of object |
| 77 | ObjectComputeName(&in->inPublic.t.publicArea, &out->name); |
| 78 | |
| 79 | // Retrieve sensitive data. PrivateToSensitive() may return TPM_RC_INTEGRITY or |
| 80 | // TPM_RC_SENSITIVE |
| 81 | // errors may be returned at this point |
| 82 | result = PrivateToSensitive(&in->inPrivate, &out->name, in->parentHandle, |
| 83 | in->inPublic.t.publicArea.nameAlg, |
| 84 | &sensitive); |
| 85 | if(result != TPM_RC_SUCCESS) |
| 86 | return RcSafeAddToResult(result, RC_Load_inPrivate); |
| 87 | |
| 88 | // Internal Data Update |
| 89 | |
| 90 | // Get hierarchy of parent |
| 91 | hierarchy = ObjectGetHierarchy(in->parentHandle); |
| 92 | |
| 93 | // Create internal object. A lot of different errors may be returned by this |
| 94 | // loading operation as it will do several validations, including the public |
| 95 | // binding check |
| 96 | result = ObjectLoad(hierarchy, &in->inPublic.t.publicArea, &sensitive, |
| 97 | &out->name, in->parentHandle, skipChecks, |
| 98 | &out->objectHandle); |
| 99 | |
| 100 | if(result != TPM_RC_SUCCESS) |
| 101 | return result; |
| 102 | |
| 103 | return TPM_RC_SUCCESS; |
| 104 | } |