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 "Unseal_fp.h" 10 // 11 // 12 // Error Returns Meaning 13 // 14 // TPM_RC_ATTRIBUTES itemHandle has wrong attributes 15 // TPM_RC_TYPE itemHandle is not a KEYEDHASH data object 16 // 17 TPM_RC 18 TPM2_Unseal( 19 Unseal_In *in, 20 Unseal_Out *out 21 ) 22 { 23 OBJECT *object; 24 25 // Input Validation 26 27 // Get pointer to loaded object 28 object = ObjectGet(in->itemHandle); 29 30 // Input handle must be a data object 31 if(object->publicArea.type != TPM_ALG_KEYEDHASH) 32 return TPM_RC_TYPE + RC_Unseal_itemHandle; 33 if( object->publicArea.objectAttributes.decrypt == SET 34 || object->publicArea.objectAttributes.sign == SET 35 || object->publicArea.objectAttributes.restricted == SET) 36 return TPM_RC_ATTRIBUTES + RC_Unseal_itemHandle; 37 38 // Command Output 39 40 // Copy data 41 MemoryCopy2B(&out->outData.b, &object->sensitive.sensitive.bits.b, 42 sizeof(out->outData.t.buffer)); 43 44 return TPM_RC_SUCCESS; 45 } 46
