/* SPDX-License-Identifier: BSD-2-Clause */

/***********************************************************************;

 * Copyright (c) 2015 - 2017, Intel Corporation

 * All rights reserved.

 ***********************************************************************/

#ifdef HAVE_CONFIG_H

#include "config.h" // IWYU pragma: keep

#endif

#include "sysapi_util.h"     // for _TSS2_SYS_CONTEXT_BLOB, syscontext_cast

#include "tss2_common.h"     // for TSS2_RC, TSS2_SYS_RC_BAD_REFERENCE, UINT16

#include "tss2_mu.h"         // for Tss2_MU_TPM2B_ECC_POINT_Unmarshal, Tss2...

#include "tss2_sys.h"        // for TSS2_SYS_CONTEXT, TSS2L_SYS_AUTH_COMMAND

#include "tss2_tpm2_types.h" // for TPM2B_ECC_POINT, TPM2B_ECC_PARAMETER

TSS2_RC

Tss2_Sys_Commit_Prepare(TSS2_SYS_CONTEXT           *sysContext,

                        TPMI_DH_OBJECT              signHandle,

                        const TPM2B_ECC_POINT      *P1,

                        const TPM2B_SENSITIVE_DATA *s2,

                        const TPM2B_ECC_PARAMETER  *y2) {

    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);

    TSS2_RC                rval;

    if (!ctx)

        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonPreparePrologue(ctx, TPM2_CC_Commit);

    if (rval)

        return rval;

    rval = Tss2_MU_UINT32_Marshal(signHandle, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    if (rval)

        return rval;

    if (!P1) {

        ctx->decryptNull = 1;

        rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    } else {

        rval = Tss2_MU_TPM2B_ECC_POINT_Marshal(P1, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    }

    if (rval)

        return rval;

    if (!s2) {

        rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    } else {

        rval = Tss2_MU_TPM2B_SENSITIVE_DATA_Marshal(s2, ctx->cmdBuffer, ctx->maxCmdSize,

                                                    &ctx->nextData);

    }

    if (rval)

        return rval;

    if (!y2) {

        rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);

    } else {

        rval = Tss2_MU_TPM2B_ECC_PARAMETER_Marshal(y2, ctx->cmdBuffer, ctx->maxCmdSize,

                                                   &ctx->nextData);

    }

    if (rval)

        return rval;

    ctx->decryptAllowed = 1;

    ctx->encryptAllowed = 1;

    ctx->authAllowed = 1;

    return CommonPrepareEpilogue(ctx);

}

TSS2_RC

Tss2_Sys_Commit_Complete(TSS2_SYS_CONTEXT *sysContext,

                         TPM2B_ECC_POINT  *K,

                         TPM2B_ECC_POINT  *L,

                         TPM2B_ECC_POINT  *E,

                         UINT16           *counter) {

    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);

    TSS2_RC                rval;

    if (!ctx)

        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonComplete(ctx);

    if (rval)

        return rval;

    rval = Tss2_MU_TPM2B_ECC_POINT_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, K);

    if (rval)

        return rval;

    rval = Tss2_MU_TPM2B_ECC_POINT_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, L);

    if (rval)

        return rval;

    rval = Tss2_MU_TPM2B_ECC_POINT_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, E);

    if (rval)

        return rval;

    return Tss2_MU_UINT16_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData, counter);

}

TSS2_RC

Tss2_Sys_Commit(TSS2_SYS_CONTEXT             *sysContext,

                TPMI_DH_OBJECT                signHandle,

                TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,

                const TPM2B_ECC_POINT        *P1,

                const TPM2B_SENSITIVE_DATA   *s2,

                const TPM2B_ECC_PARAMETER    *y2,

                TPM2B_ECC_POINT              *K,

                TPM2B_ECC_POINT              *L,

                TPM2B_ECC_POINT              *E,

                UINT16                       *counter,

                TSS2L_SYS_AUTH_RESPONSE      *rspAuthsArray) {

    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);

    TSS2_RC                rval;

    rval = Tss2_Sys_Commit_Prepare(sysContext, signHandle, P1, s2, y2);

    if (rval)

        return rval;

    rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);

    if (rval)

        return rval;

    return Tss2_Sys_Commit_Complete(sysContext, K, L, E, counter);

}