/* 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 <stddef.h> // for NULL

#include "sysapi_util.h"     // for _TSS2_SYS_CONTEXT_BLOB, syscontext_cast
#include "tss2_common.h"     // for TSS2_RC, TSS2_SYS_RC_BAD_REFERENCE
#include "tss2_mu.h"         // for Tss2_MU_UINT32_Marshal, Tss2_MU_TPM2B_A...
#include "tss2_sys.h"        // for TSS2_SYS_CONTEXT, TSS2L_SYS_AUTH_COMMAND
#include "tss2_tpm2_types.h" // for TPMI_DH_OBJECT, TPM2B_ATTEST, TPM2B_DATA

TSS2_RC
Tss2_Sys_CertifyCreation_Prepare(TSS2_SYS_CONTEXT       *sysContext,
                                 TPMI_DH_OBJECT          signHandle,
                                 TPMI_DH_OBJECT          objectHandle,
                                 const TPM2B_DATA       *qualifyingData,
                                 const TPM2B_DIGEST     *creationHash,
                                 const TPMT_SIG_SCHEME  *inScheme,
                                 const TPMT_TK_CREATION *creationTicket) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (!ctx || !inScheme || !creationTicket)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = CommonPreparePrologue(ctx, TPM2_CC_CertifyCreation);
    if (rval)
        return rval;

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

    rval = Tss2_MU_UINT32_Marshal(objectHandle, ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData);
    if (rval)
        return rval;

    if (!qualifyingData) {
        ctx->decryptNull = 1;

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

        rval = Tss2_MU_TPM2B_DATA_Marshal(qualifyingData, ctx->cmdBuffer, ctx->maxCmdSize,
                                          &ctx->nextData);
    }

    if (rval)
        return rval;

    rval = Tss2_MU_TPM2B_DIGEST_Marshal(creationHash, ctx->cmdBuffer, ctx->maxCmdSize,
                                        &ctx->nextData);
    if (rval)
        return rval;

    rval = Tss2_MU_TPMT_SIG_SCHEME_Marshal(inScheme, ctx->cmdBuffer, ctx->maxCmdSize,
                                           &ctx->nextData);
    if (rval)
        return rval;

    rval = Tss2_MU_TPMT_TK_CREATION_Marshal(creationTicket, 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_CertifyCreation_Complete(TSS2_SYS_CONTEXT *sysContext,
                                  TPM2B_ATTEST     *certifyInfo,
                                  TPMT_SIGNATURE   *signature) {
    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_ATTEST_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData,
                                          certifyInfo);
    if (rval)
        return rval;

    return Tss2_MU_TPMT_SIGNATURE_Unmarshal(ctx->cmdBuffer, ctx->maxCmdSize, &ctx->nextData,
                                            signature);
}

TSS2_RC
Tss2_Sys_CertifyCreation(TSS2_SYS_CONTEXT             *sysContext,
                         TPMI_DH_OBJECT                signHandle,
                         TPMI_DH_OBJECT                objectHandle,
                         TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
                         const TPM2B_DATA             *qualifyingData,
                         const TPM2B_DIGEST           *creationHash,
                         const TPMT_SIG_SCHEME        *inScheme,
                         const TPMT_TK_CREATION       *creationTicket,
                         TPM2B_ATTEST                 *certifyInfo,
                         TPMT_SIGNATURE               *signature,
                         TSS2L_SYS_AUTH_RESPONSE      *rspAuthsArray) {
    TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
    TSS2_RC                rval;

    if (inScheme == NULL || creationTicket == NULL)
        return TSS2_SYS_RC_BAD_REFERENCE;

    rval = Tss2_Sys_CertifyCreation_Prepare(sysContext, signHandle, objectHandle, qualifyingData,
                                            creationHash, inScheme, creationTicket);
    if (rval)
        return rval;

    rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
    if (rval)
        return rval;

    return Tss2_Sys_CertifyCreation_Complete(sysContext, certifyInfo, signature);
}
