TPMCmd/tpm/src/command/Misc/SetAlgorithmSet.c

/* Microsoft Reference Implementation for TPM 2.0
 *
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 *  included below. This software may be subject to other third party and
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 *  Copyright (c) Microsoft Corporation
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 *
 *  BSD License
 *
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 *  are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this list
 *  of conditions and the following disclaimer.
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 *  Redistributions in binary form must reproduce the above copyright notice, this
 *  list of conditions and the following disclaimer in the documentation and/or
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 */
#include "Tpm.h"
#include "SetAlgorithmSet_fp.h"

#if CC_SetAlgorithmSet  // Conditional expansion of this file

/*(See part 3 specification)
// This command allows the platform to change the algorithm set setting of the TPM
*/
TPM_RC
TPM2_SetAlgorithmSet(
    SetAlgorithmSet_In  *in             // IN: input parameter list
    )
{
    // The command needs NV update.  Check if NV is available.
    // A TPM_RC_NV_UNAVAILABLE or TPM_RC_NV_RATE error may be returned at
    // this point
    RETURN_IF_NV_IS_NOT_AVAILABLE;

// Internal Data Update
    gp.algorithmSet = in->algorithmSet;

    // Write the algorithm set changes to NV
    NV_SYNC_PERSISTENT(algorithmSet);

    return TPM_RC_SUCCESS;
}

#endif // CC_SetAlgorithmSet