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54 lines
1.8 KiB
54 lines
1.8 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 "NV_UndefineSpace_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_ATTRIBUTES TPMA_NV_POLICY_DELETE is SET in the Index referenced by |
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// nvIndex so this command may not be used to delete this Index (see |
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// TPM2_NV_UndefineSpaceSpecial()) |
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// TPM_RC_NV_AUTHORIZATION attempt to use ownerAuth to delete an index created by the platform |
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// |
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TPM_RC |
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TPM2_NV_UndefineSpace( |
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NV_UndefineSpace_In *in // IN: input parameter list |
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) |
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{ |
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TPM_RC result; |
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NV_INDEX nvIndex; |
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// The command needs NV update. Check if NV is available. |
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// A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at |
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// this point |
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result = NvIsAvailable(); |
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if(result != TPM_RC_SUCCESS) return result; |
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// Input Validation |
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// Get NV index info |
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NvGetIndexInfo(in->nvIndex, &nvIndex); |
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// This command can't be used to delete an index with TPMA_NV_POLICY_DELETE SET |
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if(SET == nvIndex.publicArea.attributes.TPMA_NV_POLICY_DELETE) |
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return TPM_RC_ATTRIBUTES + RC_NV_UndefineSpace_nvIndex; |
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// The owner may only delete an index that was defined with ownerAuth. The |
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// platform may delete an index that was created with either auth. |
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if( in->authHandle == TPM_RH_OWNER |
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&& nvIndex.publicArea.attributes.TPMA_NV_PLATFORMCREATE == SET) |
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return TPM_RC_NV_AUTHORIZATION; |
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// Internal Data Update |
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// Call implementation dependent internal routine to delete NV index |
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NvDeleteEntity(in->nvIndex); |
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return TPM_RC_SUCCESS; |
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}
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