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https://github.com/stefanberger/libtpms
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ccce8b5f49
Add TPM 2 code. This is rev. 142 code. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
105 lines
4.7 KiB
C
105 lines
4.7 KiB
C
/********************************************************************************/
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/* */
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/* Dictionary Attack Functions */
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/* Written by Ken Goldman */
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/* IBM Thomas J. Watson Research Center */
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/* $Id: DictionaryCommands.c 953 2017-03-06 20:31:40Z kgoldman $ */
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/* */
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/* Licenses and Notices */
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/* */
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/* 1. Copyright Licenses: */
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/* */
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/* - Trusted Computing Group (TCG) grants to the user of the source code in */
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/* this specification (the "Source Code") a worldwide, irrevocable, */
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/* nonexclusive, royalty free, copyright license to reproduce, create */
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/* derivative works, distribute, display and perform the Source Code and */
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/* derivative works thereof, and to grant others the rights granted herein. */
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/* */
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/* - The TCG grants to the user of the other parts of the specification */
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/* (other than the Source Code) the rights to reproduce, distribute, */
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/* display, and perform the specification solely for the purpose of */
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/* developing products based on such documents. */
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/* */
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/* 2. Source Code Distribution Conditions: */
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/* */
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/* - Redistributions of Source Code must retain the above copyright licenses, */
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/* this list of conditions and the following disclaimers. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright */
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/* licenses, this list of conditions and the following disclaimers in the */
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/* documentation and/or other materials provided with the distribution. */
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/* */
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/* 3. Disclaimers: */
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/* */
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/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */
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/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */
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/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */
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/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */
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/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */
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/* information on specification licensing rights available through TCG */
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/* membership agreements. */
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/* */
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/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */
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/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */
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/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */
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/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */
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/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */
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/* */
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/* - Without limitation, TCG and its members and licensors disclaim all */
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/* liability, including liability for infringement of any proprietary */
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/* rights, relating to use of information in this specification and to the */
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/* implementation of this specification, and TCG disclaims all liability for */
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/* cost of procurement of substitute goods or services, lost profits, loss */
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/* of use, loss of data or any incidental, consequential, direct, indirect, */
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/* or special damages, whether under contract, tort, warranty or otherwise, */
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/* arising in any way out of use or reliance upon this specification or any */
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/* information herein. */
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/* */
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/* (c) Copyright IBM Corp. and others, 2016, 2017 */
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/* */
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/********************************************************************************/
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#include "Tpm.h"
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#include "DictionaryAttackLockReset_fp.h"
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#ifdef TPM_CC_DictionaryAttackLockReset // Conditional expansion of this file
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TPM_RC
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TPM2_DictionaryAttackLockReset(
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DictionaryAttackLockReset_In *in // IN: input parameter list
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)
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{
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// Input parameter is not reference in command action
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NOT_REFERENCED(in);
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// The command needs NV update.
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RETURN_IF_NV_IS_NOT_AVAILABLE;
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// Internal Data Update
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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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NV_SYNC_PERSISTENT(failedTries);
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return TPM_RC_SUCCESS;
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}
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#endif // CC_DictionaryAttackLockReset
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#include "Tpm.h"
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#include "DictionaryAttackParameters_fp.h"
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#ifdef TPM_CC_DictionaryAttackParameters // Conditional expansion of this file
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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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// The command needs NV update.
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RETURN_IF_NV_IS_NOT_AVAILABLE;
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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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// Record the changes to NV
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NV_SYNC_PERSISTENT(failedTries);
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NV_SYNC_PERSISTENT(maxTries);
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NV_SYNC_PERSISTENT(recoveryTime);
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NV_SYNC_PERSISTENT(lockoutRecovery);
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return TPM_RC_SUCCESS;
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}
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#endif // CC_DictionaryAttackParameters
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