/* tpm2_packet.h * * Copyright (C) 2006-2024 wolfSSL Inc. * * This file is part of wolfTPM. * * wolfTPM 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 2 of the License, or * (at your option) any later version. * * wolfTPM 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 */ #ifndef __TPM2_PACKET_H__ #define __TPM2_PACKET_H__ #include #ifdef __cplusplus extern "C" { #endif #define TPM2_HEADER_SIZE 10 /* expected TPM2 header size */ /* Endianess Helpers */ #ifdef LITTLE_ENDIAN_ORDER #define cpu_to_be16(d) ByteReverseWord16(d) #define cpu_to_be32(d) ByteReverseWord32(d) #define cpu_to_be64(d) ByteReverseWord64(d) #define be16_to_cpu(d) ByteReverseWord16(d) #define be32_to_cpu(d) ByteReverseWord32(d) #define be64_to_cpu(d) ByteReverseWord64(d) #else #define cpu_to_be16(d) (d) #define cpu_to_be32(d) (d) #define cpu_to_be64(d) (d) #define be16_to_cpu(d) (d) #define be32_to_cpu(d) (d) #define be64_to_cpu(d) (d) #endif /* For reference here is the TPM2 header (not used) */ typedef struct TPM2_HEADER { UINT16 tag; UINT32 size; union { UINT32 code; TPM_CC cc; TPM_RC rc; }; } TPM2_HEADER; typedef struct TPM2_Packet { byte* buf; int pos; int size; } TPM2_Packet; /* Send Command Wrapper */ typedef enum CmdFlags { CMD_FLAG_NONE = 0x00, CMD_FLAG_ENC2 = 0x01, /* 16-bit size of first command parameter */ CMD_FLAG_ENC4 = 0x02, /* 32-bit size (not used) */ CMD_FLAG_DEC2 = 0x04, /* 16-bit size of first response parameter */ CMD_FLAG_DEC4 = 0x08, /* 32-bit size (not used) */ CMD_FLAG_AUTH_USER1 = 0x10, CMD_FLAG_AUTH_USER2 = 0x20, CMD_FLAG_AUTH_ADMIN = 0x40, CMD_FLAG_AUTH_DUP = 0x80, } CmdFlags_t; /* Command Details */ typedef struct { unsigned char authCnt; /* number of authentication handles - determined at run-time */ unsigned char inHandleCnt; /* number of input handles - fixed */ unsigned char outHandleCnt; /* number of output handles - fixed */ unsigned char flags; /* see CmdFlags_t - fixed */ } CmdInfo_t; WOLFTPM_LOCAL void TPM2_Packet_U16ToByteArray(UINT16 val, BYTE* b); WOLFTPM_LOCAL void TPM2_Packet_U32ToByteArray(UINT32 val, BYTE* b); WOLFTPM_LOCAL UINT16 TPM2_Packet_SwapU16(UINT16 data); WOLFTPM_LOCAL UINT32 TPM2_Packet_SwapU32(UINT32 data); WOLFTPM_LOCAL UINT64 TPM2_Packet_SwapU64(UINT64 data); WOLFTPM_LOCAL void TPM2_Packet_InitBuf(TPM2_Packet* packet, byte* buf, int size); WOLFTPM_LOCAL void TPM2_Packet_Init(TPM2_CTX* ctx, TPM2_Packet* packet); WOLFTPM_LOCAL void TPM2_Packet_AppendU8(TPM2_Packet* packet, UINT8 data); WOLFTPM_LOCAL void TPM2_Packet_ParseU8(TPM2_Packet* packet, UINT8* data); WOLFTPM_LOCAL void TPM2_Packet_AppendU16(TPM2_Packet* packet, UINT16 data); WOLFTPM_LOCAL void TPM2_Packet_ParseU16(TPM2_Packet* packet, UINT16* data); WOLFTPM_LOCAL void TPM2_Packet_AppendU32(TPM2_Packet* packet, UINT32 data); WOLFTPM_LOCAL void TPM2_Packet_ParseU32(TPM2_Packet* packet, UINT32* data); WOLFTPM_LOCAL void TPM2_Packet_AppendU64(TPM2_Packet* packet, UINT64 data); WOLFTPM_LOCAL void TPM2_Packet_ParseU64(TPM2_Packet* packet, UINT64* data); WOLFTPM_LOCAL void TPM2_Packet_AppendS32(TPM2_Packet* packet, INT32 data); WOLFTPM_LOCAL void TPM2_Packet_AppendBytes(TPM2_Packet* packet, byte* buf, int size); WOLFTPM_LOCAL void TPM2_Packet_ParseBytes(TPM2_Packet* packet, byte* buf, int size); WOLFTPM_LOCAL void TPM2_Packet_MarkU16(TPM2_Packet* packet, int* markSz); WOLFTPM_LOCAL int TPM2_Packet_PlaceU16(TPM2_Packet* packet, int markSz); WOLFTPM_LOCAL void TPM2_Packet_MarkU32(TPM2_Packet* packet, int* markSz); WOLFTPM_LOCAL int TPM2_Packet_PlaceU32(TPM2_Packet* packet, int markSz); WOLFTPM_LOCAL TPM_ST TPM2_Packet_AppendAuth(TPM2_Packet* packet, TPM2_CTX* ctx, CmdInfo_t* info); WOLFTPM_LOCAL void TPM2_Packet_AppendAuthCmd(TPM2_Packet* packet, TPMS_AUTH_COMMAND* authCmd); WOLFTPM_LOCAL void TPM2_Packet_ParseAuth(TPM2_Packet* packet, TPMS_AUTH_RESPONSE* auth); WOLFTPM_LOCAL void TPM2_Packet_AppendPCR(TPM2_Packet* packet, TPML_PCR_SELECTION* pcr); WOLFTPM_LOCAL void TPM2_Packet_ParsePCR(TPM2_Packet* packet, TPML_PCR_SELECTION* pcr); WOLFTPM_LOCAL void TPM2_Packet_AppendSymmetric(TPM2_Packet* packet, TPMT_SYM_DEF* symmetric); WOLFTPM_LOCAL void TPM2_Packet_ParseSymmetric(TPM2_Packet* packet, TPMT_SYM_DEF* symmetric); WOLFTPM_LOCAL void TPM2_Packet_AppendEccScheme(TPM2_Packet* packet, TPMT_SIG_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_ParseEccScheme(TPM2_Packet* packet, TPMT_SIG_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_AppendRsaScheme(TPM2_Packet* packet, TPMT_RSA_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_ParseRsaScheme(TPM2_Packet* packet, TPMT_RSA_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_AppendKeyedHashScheme(TPM2_Packet* packet, TPMT_KEYEDHASH_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_ParseKeyedHashScheme(TPM2_Packet* packet, TPMT_KEYEDHASH_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_AppendKdfScheme(TPM2_Packet* packet, TPMT_KDF_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_ParseKdfScheme(TPM2_Packet* packet, TPMT_KDF_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_AppendAsymScheme(TPM2_Packet* packet, TPMT_ASYM_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_ParseAsymScheme(TPM2_Packet* packet, TPMT_ASYM_SCHEME* scheme); WOLFTPM_LOCAL void TPM2_Packet_AppendEccPoint(TPM2_Packet* packet, TPMS_ECC_POINT* point); WOLFTPM_LOCAL void TPM2_Packet_ParseEccPoint(TPM2_Packet* packet, TPMS_ECC_POINT* point); WOLFTPM_LOCAL void TPM2_Packet_AppendPoint(TPM2_Packet* packet, TPM2B_ECC_POINT* point); WOLFTPM_LOCAL void TPM2_Packet_ParsePoint(TPM2_Packet* packet, TPM2B_ECC_POINT* point); WOLFTPM_LOCAL void TPM2_Packet_AppendSensitive(TPM2_Packet* packet, TPM2B_SENSITIVE* sensitive); WOLFTPM_LOCAL void TPM2_Packet_AppendSensitiveCreate(TPM2_Packet* packet, TPM2B_SENSITIVE_CREATE* sensitive); WOLFTPM_LOCAL void TPM2_Packet_AppendPublicParms(TPM2_Packet* packet, TPMI_ALG_PUBLIC type, TPMU_PUBLIC_PARMS* parameters); WOLFTPM_LOCAL void TPM2_Packet_ParsePublicParms(TPM2_Packet* packet, TPMI_ALG_PUBLIC type, TPMU_PUBLIC_PARMS* parameters); WOLFTPM_LOCAL void TPM2_Packet_AppendPublicArea(TPM2_Packet* packet, TPMT_PUBLIC* publicArea); WOLFTPM_LOCAL void TPM2_Packet_AppendPublic(TPM2_Packet* packet, TPM2B_PUBLIC* pub); WOLFTPM_LOCAL void TPM2_Packet_ParsePublic(TPM2_Packet* packet, TPM2B_PUBLIC* pub); WOLFTPM_LOCAL void TPM2_Packet_AppendSignature(TPM2_Packet* packet, TPMT_SIGNATURE* sig); WOLFTPM_LOCAL void TPM2_Packet_ParseSignature(TPM2_Packet* packet, TPMT_SIGNATURE* sig); WOLFTPM_LOCAL void TPM2_Packet_ParseAttest(TPM2_Packet* packet, TPMS_ATTEST* out); WOLFTPM_LOCAL TPM_RC TPM2_Packet_Parse(TPM_RC rc, TPM2_Packet* packet); WOLFTPM_LOCAL int TPM2_Packet_Finalize(TPM2_Packet* packet, TPM_ST tag, TPM_CC cc); WOLFTPM_LOCAL int TPM2_GetCmdAuthCount(TPM2_CTX* ctx, const CmdInfo_t* info); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* __TPM2_PACKET_H__ */