40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
// 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 "DictionaryAttackParameters_fp.h"
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TPM_RC
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TPM2_DictionaryAttackParameters(
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DictionaryAttackParameters_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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// 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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// Internal Data Update
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// Set dictionary attack parameters
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gp.maxTries = in->newMaxTries;
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gp.recoveryTime = in->newRecoveryTime;
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gp.lockoutRecovery = in->lockoutRecovery;
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// Set failed tries to 0
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gp.failedTries = 0;
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// Record the changes to NV
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NvWriteReserved(NV_FAILED_TRIES, &gp.failedTries);
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NvWriteReserved(NV_MAX_TRIES, &gp.maxTries);
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NvWriteReserved(NV_RECOVERY_TIME, &gp.recoveryTime);
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NvWriteReserved(NV_LOCKOUT_RECOVERY, &gp.lockoutRecovery);
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return TPM_RC_SUCCESS;
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}
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