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Add Infineon OPTIGA SLB9678 vendor commands and a plain TCG identity mode #38
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* spdm_infineon.c | ||
| * | ||
| * Copyright (C) 2006-2026 wolfSSL Inc. | ||
| * | ||
| * This file is part of wolfSPDM. | ||
| * | ||
| * wolfSPDM is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * wolfSPDM is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA | ||
| */ | ||
|
|
||
| #ifdef HAVE_CONFIG_H | ||
| #include <config.h> | ||
| #endif | ||
|
|
||
| /* Infineon OPTIGA SLB9678 SPDM Functions | ||
| * | ||
| * Infineon PSK provisioning and configuration commands. Both asymmetric | ||
| * and PSK handshakes use the shared protocol code, subject to firmware | ||
| * capabilities. Framing uses the shared TCG code in spdm_tcg.c. | ||
| */ | ||
|
|
||
| #include "spdm_internal.h" | ||
|
|
||
| #ifdef WOLFSPDM_INFINEON | ||
|
|
||
| #include <wolfspdm/spdm_infineon.h> | ||
|
|
||
| /* ----- Infineon PSK-Mode Vendor Commands ----- */ | ||
|
|
||
| int wolfSPDM_Infineon_GetStatus(WOLFSPDM_CTX* ctx, | ||
| WOLFSPDM_INFINEON_STATUS* status) | ||
| { | ||
| WOLFSPDM_VENDOR_RSP rsp; | ||
| int rc; | ||
|
|
||
| if (ctx == NULL || status == NULL) { | ||
| return WOLFSPDM_E_INVALID_ARG; | ||
| } | ||
|
|
||
| XMEMSET(status, 0, sizeof(*status)); | ||
|
|
||
| wolfSPDM_DebugPrint(ctx, "Infineon: GET_STS_\n"); | ||
|
|
||
| /* SLB9678 accepts GET_STATUS with no payload (Type field omitted) */ | ||
| rc = wolfSPDM_TCG_VendorCmdClear(ctx, WOLFSPDM_VDCODE_GET_STS, | ||
| NULL, 0, &rsp); | ||
| if (rc != WOLFSPDM_SUCCESS) { | ||
| return rc; | ||
| } | ||
|
|
||
| wolfSPDM_DebugHex(ctx, "GET_STS_ payload", rsp.payload, rsp.payloadSz); | ||
|
|
||
| /* Per TCG spec Table 15 - GET_STATUS_RSP payload: | ||
| * [0] SpecMajorVersion, [1] SpecMinorVersion, | ||
| * [2] PSKSet (00=NO, 01=YES), | ||
| * [3] SPDMOnly (00=DISABLED, 01=ENABLED, 81=PENDING_DISABLE) */ | ||
| if (rsp.payloadSz < 4) { | ||
| return WOLFSPDM_E_FRAMING; | ||
| } | ||
| status->spdmEnabled = 1; | ||
| status->pskProvisioned = (rsp.payload[2] != 0); | ||
| status->spdmOnlyLocked = (rsp.payload[3] != 0); | ||
| status->spdmOnlyPending = (rsp.payload[3] == 0x81); | ||
| wolfSPDM_DebugPrint(ctx, "GET_STS_: v%u.%u PSK=%s SPDMOnly=0x%02x\n", | ||
| rsp.payload[0], rsp.payload[1], | ||
| status->pskProvisioned ? "YES" : "NO", | ||
| rsp.payload[3]); | ||
|
|
||
| return WOLFSPDM_SUCCESS; | ||
| } | ||
|
|
||
| int wolfSPDM_Infineon_SetOnlyMode(WOLFSPDM_CTX* ctx, int lock) | ||
| { | ||
| byte param[1]; | ||
| int rc; | ||
|
|
||
| if (ctx == NULL) { | ||
| return WOLFSPDM_E_INVALID_ARG; | ||
| } | ||
|
|
||
| if (ctx->state != WOLFSPDM_STATE_CONNECTED) { | ||
| return WOLFSPDM_E_NOT_CONNECTED; | ||
| } | ||
|
|
||
| param[0] = lock ? WOLFSPDM_SPDMONLY_LOCK : WOLFSPDM_SPDMONLY_UNLOCK; | ||
|
|
||
| wolfSPDM_DebugPrint(ctx, "Infineon: SPDMONLY %s\n", | ||
| lock ? "LOCK" : "UNLOCK"); | ||
|
|
||
| rc = wolfSPDM_TCG_VendorCmdSecured(ctx, WOLFSPDM_VDCODE_SPDMONLY, | ||
| param, sizeof(param)); | ||
| if (rc != WOLFSPDM_SUCCESS) { | ||
| return rc; | ||
| } | ||
|
|
||
| wolfSPDM_DebugPrint(ctx, "SPDMONLY: Success (Lock=%u)\n", param[0]); | ||
| return WOLFSPDM_SUCCESS; | ||
| } | ||
|
|
||
| #endif /* WOLFSPDM_INFINEON */ | ||
|
|
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