mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-23 10:29:58 +01:00
685 lines
17 KiB
C
685 lines
17 KiB
C
|
/* intel-tss.h - Supporting TPM routines for the Intel TSS
|
||
|
* Copyright (C) 2021 James Bottomley <James.Bottomley@HansenPartnership.com>
|
||
|
*
|
||
|
* Some portions of the TSS routines are
|
||
|
* (c) Copyright IBM Corporation 2015 - 2019
|
||
|
*
|
||
|
* This file is part of GnuPG.
|
||
|
*
|
||
|
* GnuPG 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.
|
||
|
*
|
||
|
* GnuPG 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, see <https://www.gnu.org/licenses/>.
|
||
|
* SPDX-License-Identifier: GPL-3.0-or-later
|
||
|
*/
|
||
|
|
||
|
#ifndef _GNUPG_TPM2_INTEL_TSS_H
|
||
|
#define _GNUPG_TPM2_INTEL_TSS_H
|
||
|
|
||
|
#include <tss2/tss2_esys.h>
|
||
|
#include <tss2/tss2_mu.h>
|
||
|
#include <tss2/tss2_rc.h>
|
||
|
#include <tss2/tss2_tcti.h>
|
||
|
#include <tss2/tss2_tctildr.h>
|
||
|
|
||
|
#define EXT_TPM_RH_OWNER TPM2_RH_OWNER
|
||
|
#define EXT_TPM_RH_PLATFORM TPM2_RH_PLATFORM
|
||
|
#define EXT_TPM_RH_ENDORSEMENT TPM2_RH_ENDORSEMENT
|
||
|
#define EXT_TPM_RH_NULL TPM2_RH_NULL
|
||
|
#define INT_TPM_RH_NULL ESYS_TR_RH_NULL
|
||
|
|
||
|
#define TSS_CONTEXT ESYS_CONTEXT
|
||
|
|
||
|
#define MAX_RESPONSE_SIZE TPM2_MAX_RESPONSE_SIZE
|
||
|
#define MAX_RSA_KEY_BYTES TPM2_MAX_RSA_KEY_BYTES
|
||
|
#define MAX_ECC_CURVES TPM2_MAX_ECC_CURVES
|
||
|
#define MAX_ECC_KEY_BYTES TPM2_MAX_ECC_KEY_BYTES
|
||
|
#define MAX_SYM_DATA TPM2_MAX_SYM_DATA
|
||
|
|
||
|
#define AES_128_BLOCK_SIZE_BYTES 16
|
||
|
|
||
|
/*
|
||
|
* The TCG defines all begin TPM_ but for some unknown reason Intel
|
||
|
* ignored this and all its defines begin TPM2_
|
||
|
*/
|
||
|
|
||
|
#define TPM_RC_SUCCESS TPM2_RC_SUCCESS
|
||
|
#define TPM_RC_SYMMETRIC TPM2_RC_SYMMETRIC
|
||
|
#define TPM_RC_ASYMMETRIC TPM2_RC_ASYMMETRIC
|
||
|
#define TPM_RC_CURVE TPM2_RC_CURVE
|
||
|
#define TPM_RC_KEY_SIZE TPM2_RC_KEY_SIZE
|
||
|
#define TPM_RC_KEY TPM2_RC_KEY
|
||
|
#define TPM_RC_VALUE TPM2_RC_VALUE
|
||
|
#define TPM_RC_POLICY TPM2_RC_POLICY
|
||
|
#define TPM_RC_FAILURE TPM2_RC_FAILURE
|
||
|
#define TPM_RC_AUTH_FAIL TPM2_RC_AUTH_FAIL
|
||
|
#define TPM_RC_BAD_AUTH TPM2_RC_BAD_AUTH
|
||
|
|
||
|
#define RC_VER1 TPM2_RC_VER1
|
||
|
#define RC_FMT1 TPM2_RC_FMT1
|
||
|
|
||
|
#define TPM_EO_EQ TPM2_EO_EQ
|
||
|
#define TPM_EO_NEQ TPM2_EO_NEQ
|
||
|
#define TPM_EO_SIGNED_GT TPM2_EO_SIGNED_GT
|
||
|
#define TPM_EO_UNSIGNED_GT TPM2_EO_UNSIGNED_GT
|
||
|
#define TPM_EO_SIGNED_LT TPM2_EO_SIGNED_LT
|
||
|
#define TPM_EO_UNSIGNED_LT TPM2_EO_UNSIGNED_LT
|
||
|
#define TPM_EO_SIGNED_GE TPM2_EO_SIGNED_GE
|
||
|
#define TPM_EO_UNSIGNED_GE TPM2_EO_UNSIGNED_GE
|
||
|
#define TPM_EO_SIGNED_LE TPM2_EO_SIGNED_LE
|
||
|
#define TPM_EO_UNSIGNED_LE TPM2_EO_UNSIGNED_LE
|
||
|
#define TPM_EO_BITSET TPM2_EO_BITSET
|
||
|
#define TPM_EO_BITCLEAR TPM2_EO_BITCLEAR
|
||
|
|
||
|
#define TPM_CC_PolicyPCR TPM2_CC_PolicyPCR
|
||
|
#define TPM_CC_PolicyAuthValue TPM2_CC_PolicyAuthValue
|
||
|
#define TPM_CC_PolicyCounterTimer TPM2_CC_PolicyCounterTimer
|
||
|
|
||
|
#define TPM_ST_HASHCHECK TPM2_ST_HASHCHECK
|
||
|
|
||
|
#define TPM_RH_OWNER ESYS_TR_RH_OWNER
|
||
|
#define TPM_RH_PLATFORM ESYS_TR_RH_PLATFORM
|
||
|
#define TPM_RH_ENDORSEMENT ESYS_TR_RH_ENDORSEMENT
|
||
|
#define TPM_RH_NULL ESYS_TR_NONE
|
||
|
#define TPM_RS_PW ESYS_TR_PASSWORD
|
||
|
|
||
|
#define TPM_HT_PERMANENT TPM2_HT_PERMANENT
|
||
|
#define TPM_HT_TRANSIENT TPM2_HT_TRANSIENT
|
||
|
#define TPM_HT_PERSISTENT TPM2_HT_PERSISTENT
|
||
|
|
||
|
#define TPM_HANDLE ESYS_TR
|
||
|
#define TPM_RC TPM2_RC
|
||
|
#define TPM_CC TPM2_CC
|
||
|
|
||
|
#define TPM_ALG_ID TPM2_ALG_ID
|
||
|
#define TPM_SE TPM2_SE
|
||
|
#define TPM_SE_HMAC TPM2_SE_HMAC
|
||
|
#define TPM_SE_POLICY TPM2_SE_POLICY
|
||
|
#define TPM_CAP TPM2_CAP
|
||
|
#define TPM_CAP_ECC_CURVES TPM2_CAP_ECC_CURVES
|
||
|
#define TPM_EO TPM2_EO
|
||
|
|
||
|
#define TPM_ECC_NONE TPM2_ECC_NONE
|
||
|
#define TPM_ECC_NIST_P192 TPM2_ECC_NIST_P192
|
||
|
#define TPM_ECC_NIST_P224 TPM2_ECC_NIST_P224
|
||
|
#define TPM_ECC_NIST_P256 TPM2_ECC_NIST_P256
|
||
|
#define TPM_ECC_NIST_P384 TPM2_ECC_NIST_P384
|
||
|
#define TPM_ECC_NIST_P521 TPM2_ECC_NIST_P521
|
||
|
#define TPM_ECC_BN_P256 TPM2_ECC_BN_P256
|
||
|
#define TPM_ECC_BN_P638 TPM2_ECC_BN_P638
|
||
|
#define TPM_ECC_SM2_P256 TPM2_ECC_SM2_P256
|
||
|
|
||
|
#define TPM_ALG_NULL TPM2_ALG_NULL
|
||
|
#define TPM_ALG_SHA1 TPM2_ALG_SHA1
|
||
|
#define TPM_ALG_SHA256 TPM2_ALG_SHA256
|
||
|
#define TPM_ALG_SHA384 TPM2_ALG_SHA384
|
||
|
#define TPM_ALG_SHA512 TPM2_ALG_SHA512
|
||
|
#define TPM_ALG_AES TPM2_ALG_AES
|
||
|
#define TPM_ALG_CFB TPM2_ALG_CFB
|
||
|
#define TPM_ALG_RSA TPM2_ALG_RSA
|
||
|
#define TPM_ALG_RSASSA TPM2_ALG_RSASSA
|
||
|
#define TPM_ALG_ECC TPM2_ALG_ECC
|
||
|
#define TPM_ALG_KEYEDHASH TPM2_ALG_KEYEDHASH
|
||
|
#define TPM_ALG_RSAES TPM2_ALG_RSAES
|
||
|
#define TPM_ALG_OAEP TPM2_ALG_OAEP
|
||
|
#define TPM_ALG_ECDSA TPM2_ALG_ECDSA
|
||
|
|
||
|
/* the odd TPMA_OBJECT_ type is wrong too */
|
||
|
|
||
|
#define TPMA_OBJECT_SIGN TPMA_OBJECT_SIGN_ENCRYPT
|
||
|
|
||
|
/* Intel and IBM have slightly different names for all the 2B structures */
|
||
|
|
||
|
#define NAME_2B TPM2B_NAME
|
||
|
#define DATA_2B TPM2B_DATA
|
||
|
#define PRIVATE_2B TPM2B_PRIVATE
|
||
|
#define ENCRYPTED_SECRET_2B TPM2B_ENCRYPTED_SECRET
|
||
|
#define KEY_2B TPM2B_KEY
|
||
|
#define TPM2B_KEY TPM2B_DATA
|
||
|
#define DIGEST_2B TPM2B_DIGEST
|
||
|
#define ECC_PARAMETER_2B TPM2B_ECC_PARAMETER
|
||
|
#define SENSITIVE_DATA_2B TPM2B_SENSITIVE_DATA
|
||
|
#define PUBLIC_KEY_RSA_2B TPM2B_PUBLIC_KEY_RSA
|
||
|
|
||
|
#define FALSE 0
|
||
|
#define TRUE 1
|
||
|
|
||
|
typedef struct {
|
||
|
uint16_t size;
|
||
|
BYTE buffer[];
|
||
|
} TPM2B;
|
||
|
|
||
|
#define TSS_CONVERT_MARSHAL(TYPE, PTR) \
|
||
|
static inline TPM_RC \
|
||
|
TSS_##TYPE##_Marshal(const TYPE *source, UINT16 *written, \
|
||
|
BYTE **buffer, INT32 *size) \
|
||
|
{ \
|
||
|
size_t offset = 0; \
|
||
|
TPM_RC rc; \
|
||
|
\
|
||
|
rc = Tss2_MU_##TYPE##_Marshal(PTR source, *buffer, *size, &offset); \
|
||
|
\
|
||
|
*buffer += offset; \
|
||
|
*size -= offset; \
|
||
|
*written = offset; \
|
||
|
\
|
||
|
return rc; \
|
||
|
}
|
||
|
#define TSS_CONVERT_UNMARSHAL(TYPE, ARG) \
|
||
|
static inline TPM_RC \
|
||
|
TYPE##_Unmarshal##ARG(TYPE *dest, \
|
||
|
BYTE **buffer, INT32 *size) \
|
||
|
{ \
|
||
|
size_t offset = 0; \
|
||
|
TPM_RC rc; \
|
||
|
\
|
||
|
memset(dest, 0, sizeof(TYPE)); \
|
||
|
rc = Tss2_MU_##TYPE##_Unmarshal(*buffer, *size, &offset, dest); \
|
||
|
\
|
||
|
*buffer += offset; \
|
||
|
*size -= offset; \
|
||
|
\
|
||
|
return rc; \
|
||
|
}
|
||
|
|
||
|
TSS_CONVERT_MARSHAL(TPMT_PUBLIC, )
|
||
|
TSS_CONVERT_MARSHAL(UINT16, *)
|
||
|
TSS_CONVERT_MARSHAL(TPMT_SENSITIVE, )
|
||
|
TSS_CONVERT_MARSHAL(TPM2B_ECC_POINT, )
|
||
|
TSS_CONVERT_MARSHAL(TPM2B_DIGEST, )
|
||
|
TSS_CONVERT_MARSHAL(TPM2B_PUBLIC, )
|
||
|
TSS_CONVERT_MARSHAL(TPM2B_PRIVATE, )
|
||
|
|
||
|
TSS_CONVERT_UNMARSHAL(TPML_PCR_SELECTION, )
|
||
|
TSS_CONVERT_UNMARSHAL(TPM2B_PRIVATE, )
|
||
|
TSS_CONVERT_UNMARSHAL(TPM2B_PUBLIC, X)
|
||
|
TSS_CONVERT_UNMARSHAL(TPM2B_ENCRYPTED_SECRET, )
|
||
|
TSS_CONVERT_UNMARSHAL(UINT16, )
|
||
|
TSS_CONVERT_UNMARSHAL(UINT32, )
|
||
|
|
||
|
#define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
|
||
|
|
||
|
#define TPM2B_PUBLIC_Unmarshal(A, B, C, D) TPM2B_PUBLIC_UnmarshalX(A, B, C)
|
||
|
#define TPM_EO_Unmarshal UINT16_Unmarshal
|
||
|
#define TPM_CC_Unmarshal UINT32_Unmarshal
|
||
|
|
||
|
#define VAL(X) X
|
||
|
#define VAL_2B(X, MEMBER) X.MEMBER
|
||
|
#define VAL_2B_P(X, MEMBER) X->MEMBER
|
||
|
|
||
|
static const struct {
|
||
|
TPM_ALG_ID alg;
|
||
|
int gcrypt_algo;
|
||
|
int size;
|
||
|
} TSS_Hashes[] = {
|
||
|
{ TPM_ALG_SHA1, GCRY_MD_SHA1, 20 },
|
||
|
{ TPM_ALG_SHA256, GCRY_MD_SHA256, 32 },
|
||
|
{ TPM_ALG_SHA384, GCRY_MD_SHA3_384, 48 },
|
||
|
{ TPM_ALG_SHA512, GCRY_MD_SHA3_512, 64 }
|
||
|
};
|
||
|
|
||
|
static inline void
|
||
|
intel_auth_helper(TSS_CONTEXT *tssContext, TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
TPM2B_AUTH authVal2B;
|
||
|
|
||
|
if (authVal)
|
||
|
{
|
||
|
authVal2B.size = strlen(authVal);
|
||
|
memcpy(authVal2B.buffer, authVal, authVal2B.size);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
authVal2B.size = 0;
|
||
|
}
|
||
|
Esys_TR_SetAuth(tssContext, auth, &authVal2B);
|
||
|
}
|
||
|
|
||
|
static inline void
|
||
|
intel_sess_helper(TSS_CONTEXT *tssContext, TPM_HANDLE auth, TPMA_SESSION flags)
|
||
|
{
|
||
|
Esys_TRSess_SetAttributes(tssContext, auth, flags,
|
||
|
TPMA_SESSION_CONTINUESESSION | flags);
|
||
|
}
|
||
|
|
||
|
static inline TPM_HANDLE
|
||
|
intel_handle(TPM_HANDLE h)
|
||
|
{
|
||
|
if (h == 0)
|
||
|
return ESYS_TR_NONE;
|
||
|
return h;
|
||
|
}
|
||
|
|
||
|
static inline void
|
||
|
TSS_Delete(TSS_CONTEXT *tssContext)
|
||
|
{
|
||
|
TSS2_TCTI_CONTEXT *tcti_ctx;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
rc = Esys_GetTcti(tssContext, &tcti_ctx);
|
||
|
Esys_Finalize(&tssContext);
|
||
|
if (rc == TPM_RC_SUCCESS)
|
||
|
Tss2_TctiLdr_Finalize(&tcti_ctx);
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
TSS_Create(TSS_CONTEXT **tssContext)
|
||
|
{
|
||
|
TPM_RC rc;
|
||
|
TSS2_TCTI_CONTEXT *tcti_ctx = NULL;
|
||
|
char *intType;
|
||
|
char *tctildr = NULL;
|
||
|
|
||
|
intType = getenv("TPM_INTERFACE_TYPE");
|
||
|
/*
|
||
|
* FIXME: This should be way more sophisticated, but it's
|
||
|
* enough to get the simulator tests running
|
||
|
*/
|
||
|
if (intType)
|
||
|
{
|
||
|
if (strcmp("socsim", intType) == 0) {
|
||
|
tctildr = "mssim";
|
||
|
}
|
||
|
else if (strcmp("dev", intType) == 0)
|
||
|
{
|
||
|
tctildr = "device";
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
fprintf(stderr, "Unknown TPM_INTERFACE_TYPE %s\n", intType);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
rc = Tss2_TctiLdr_Initialize(tctildr, &tcti_ctx);
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
rc = Esys_Initialize(tssContext, tcti_ctx, NULL);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline int
|
||
|
TSS_GetDigestSize(TPM_ALG_ID alg) {
|
||
|
int i;
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(TSS_Hashes); i++)
|
||
|
if (TSS_Hashes[i].alg == alg)
|
||
|
return TSS_Hashes[i].size;
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
static inline int
|
||
|
TSS_Hash_GetMd(int *algo, TPM_ALG_ID alg) {
|
||
|
int i;
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(TSS_Hashes); i++)
|
||
|
if (TSS_Hashes[i].alg == alg)
|
||
|
{
|
||
|
*algo = TSS_Hashes[i].gcrypt_algo;
|
||
|
return 0;
|
||
|
}
|
||
|
return TPM_RC_FAILURE;
|
||
|
}
|
||
|
|
||
|
/* copied with modifications from the IBM TSS tsscrypto.c */
|
||
|
static inline TPM_RC
|
||
|
TSS_Hash_Generate(TPMT_HA *digest, ...)
|
||
|
{
|
||
|
TPM_RC rc = 0;
|
||
|
int length;
|
||
|
uint8_t *buffer;
|
||
|
int algo;
|
||
|
gcry_md_hd_t md;
|
||
|
va_list ap;
|
||
|
|
||
|
va_start(ap, digest);
|
||
|
|
||
|
rc = TSS_Hash_GetMd(&algo, digest->hashAlg);
|
||
|
if (rc)
|
||
|
{
|
||
|
fprintf(stderr, "TSS_HASH_GENERATE: Unknown hash %d\n",
|
||
|
digest->hashAlg);
|
||
|
goto out;
|
||
|
}
|
||
|
|
||
|
rc = gcry_md_open (&md, algo, 0);
|
||
|
if (rc != 0)
|
||
|
{
|
||
|
fprintf(stderr, "TSS_Hash_Generate: EVP_MD_CTX_create failed\n");
|
||
|
rc = TPM_RC_FAILURE;
|
||
|
goto out;
|
||
|
}
|
||
|
|
||
|
rc = TPM_RC_FAILURE;
|
||
|
for (;;)
|
||
|
{
|
||
|
length = va_arg(ap, int); /* first vararg is the length */
|
||
|
buffer = va_arg(ap, unsigned char *); /* second vararg is the array */
|
||
|
if (buffer == NULL) /* loop until a NULL buffer terminates */
|
||
|
break;
|
||
|
if (length < 0)
|
||
|
{
|
||
|
fprintf(stderr, "TSS_Hash_Generate: Length is negative\n");
|
||
|
goto out_free;
|
||
|
}
|
||
|
if (length != 0)
|
||
|
gcry_md_write (md, buffer, length);
|
||
|
}
|
||
|
|
||
|
memcpy (&digest->digest, gcry_md_read (md, algo),
|
||
|
TSS_GetDigestSize(digest->hashAlg));
|
||
|
rc = TPM_RC_SUCCESS;
|
||
|
out_free:
|
||
|
gcry_md_close (md);
|
||
|
out:
|
||
|
va_end(ap);
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
TSS_TPM2B_Create(TPM2B *target, uint8_t *buffer, uint16_t size,
|
||
|
uint16_t targetSize)
|
||
|
{
|
||
|
if (size > targetSize)
|
||
|
return TSS2_MU_RC_INSUFFICIENT_BUFFER;
|
||
|
target->size = size;
|
||
|
if (size)
|
||
|
memmove(target->buffer, buffer, size);
|
||
|
return TPM_RC_SUCCESS;
|
||
|
}
|
||
|
|
||
|
static inline void
|
||
|
tpm2_error(TPM_RC rc, const char *reason)
|
||
|
{
|
||
|
const char *msg;
|
||
|
|
||
|
fprintf(stderr, "%s failed with %d\n", reason, rc);
|
||
|
msg = Tss2_RC_Decode(rc);
|
||
|
fprintf(stderr, "%s\n", msg);
|
||
|
}
|
||
|
|
||
|
static inline int
|
||
|
TSS_start (TSS_CONTEXT **tssc)
|
||
|
{
|
||
|
TPM_RC rc;
|
||
|
|
||
|
rc = TSS_Create (tssc);
|
||
|
if (rc)
|
||
|
{
|
||
|
tpm2_error(rc, "TSS_Create");
|
||
|
return GPG_ERR_CARD;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_Import(TSS_CONTEXT *tssContext, TPM_HANDLE parentHandle,
|
||
|
DATA_2B *encryptionKey, TPM2B_PUBLIC *objectPublic,
|
||
|
PRIVATE_2B *duplicate, ENCRYPTED_SECRET_2B *inSymSeed,
|
||
|
TPMT_SYM_DEF_OBJECT *symmetricAlg, PRIVATE_2B *outPrivate,
|
||
|
TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
PRIVATE_2B *out;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
intel_auth_helper(tssContext, parentHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, TPMA_SESSION_DECRYPT);
|
||
|
rc = Esys_Import(tssContext, parentHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, encryptionKey, objectPublic,
|
||
|
duplicate, inSymSeed, symmetricAlg, &out);
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
*outPrivate = *out;
|
||
|
free(out);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_Create(TSS_CONTEXT *tssContext, TPM_HANDLE parentHandle,
|
||
|
TPM2B_SENSITIVE_CREATE *inSensitive, TPM2B_PUBLIC *inPublic,
|
||
|
PRIVATE_2B *outPrivate, TPM2B_PUBLIC *outPublic,
|
||
|
TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
TPM_RC rc;
|
||
|
PRIVATE_2B *opriv;
|
||
|
TPM2B_PUBLIC *opub;
|
||
|
DATA_2B outsideInfo;
|
||
|
TPML_PCR_SELECTION creationPCR;
|
||
|
|
||
|
outsideInfo.size = 0;
|
||
|
creationPCR.count = 0;
|
||
|
|
||
|
intel_auth_helper(tssContext, parentHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, TPMA_SESSION_DECRYPT);
|
||
|
rc = Esys_Create(tssContext, parentHandle, auth,
|
||
|
ESYS_TR_NONE, ESYS_TR_NONE, inSensitive,
|
||
|
inPublic, &outsideInfo, &creationPCR, &opriv,
|
||
|
&opub, NULL, NULL, NULL);
|
||
|
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
*outPublic = *opub;
|
||
|
free(opub);
|
||
|
*outPrivate = *opriv;
|
||
|
free(opriv);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_ReadPublic(TSS_CONTEXT *tssContext, TPM_HANDLE objectHandle,
|
||
|
TPMT_PUBLIC *pub, TPM_HANDLE auth)
|
||
|
{
|
||
|
TPM2B_PUBLIC *out;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
if (auth != TPM_RH_NULL)
|
||
|
intel_sess_helper(tssContext, auth, TPMA_SESSION_ENCRYPT);
|
||
|
|
||
|
rc = Esys_ReadPublic(tssContext, objectHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, &out, NULL, NULL);
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
if (pub)
|
||
|
*pub = out->publicArea;
|
||
|
free(out);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_RSA_Decrypt(TSS_CONTEXT *tssContext, TPM_HANDLE keyHandle,
|
||
|
PUBLIC_KEY_RSA_2B *cipherText, TPMT_RSA_DECRYPT *inScheme,
|
||
|
PUBLIC_KEY_RSA_2B *message,
|
||
|
TPM_HANDLE auth, const char *authVal, int flags)
|
||
|
{
|
||
|
PUBLIC_KEY_RSA_2B *out;
|
||
|
DATA_2B label;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
label.size = 0;
|
||
|
|
||
|
intel_auth_helper(tssContext, keyHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, flags);
|
||
|
rc = Esys_RSA_Decrypt(tssContext, keyHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, cipherText,
|
||
|
inScheme, &label, &out);
|
||
|
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
*message = *out;
|
||
|
free(out);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_Sign(TSS_CONTEXT *tssContext, TPM_HANDLE keyHandle, DIGEST_2B *digest,
|
||
|
TPMT_SIG_SCHEME *inScheme, TPMT_SIGNATURE *signature,
|
||
|
TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
TPM_RC rc;
|
||
|
TPMT_TK_HASHCHECK validation;
|
||
|
TPMT_SIGNATURE *out;
|
||
|
|
||
|
validation.tag = TPM_ST_HASHCHECK;
|
||
|
validation.hierarchy = EXT_TPM_RH_NULL;
|
||
|
validation.digest.size = 0;
|
||
|
|
||
|
intel_auth_helper(tssContext, keyHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, 0);
|
||
|
rc = Esys_Sign(tssContext, keyHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, digest, inScheme, &validation, &out);
|
||
|
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
*signature = *out;
|
||
|
free(out);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_ECDH_ZGen(TSS_CONTEXT *tssContext, TPM_HANDLE keyHandle,
|
||
|
TPM2B_ECC_POINT *inPoint, TPM2B_ECC_POINT *outPoint,
|
||
|
TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
TPM2B_ECC_POINT *out;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
intel_auth_helper(tssContext, keyHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, TPMA_SESSION_ENCRYPT);
|
||
|
rc = Esys_ECDH_ZGen(tssContext, keyHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, inPoint, &out);
|
||
|
|
||
|
if (rc)
|
||
|
return rc;
|
||
|
|
||
|
*outPoint = *out;
|
||
|
free(out);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_CreatePrimary(TSS_CONTEXT *tssContext, TPM_HANDLE primaryHandle,
|
||
|
TPM2B_SENSITIVE_CREATE *inSensitive,
|
||
|
TPM2B_PUBLIC *inPublic, TPM_HANDLE *objectHandle)
|
||
|
{
|
||
|
TPM2B_DATA outsideInfo;
|
||
|
TPML_PCR_SELECTION creationPcr;
|
||
|
TPM_RC rc;
|
||
|
|
||
|
/* FIXME will generate wrong value for NULL hierarchy */
|
||
|
primaryHandle = intel_handle(primaryHandle);
|
||
|
|
||
|
outsideInfo.size = 0;
|
||
|
creationPcr.count = 0;
|
||
|
|
||
|
rc = Esys_CreatePrimary(tssContext, primaryHandle, ESYS_TR_PASSWORD, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, inSensitive, inPublic,
|
||
|
&outsideInfo, &creationPcr, objectHandle,
|
||
|
NULL, NULL, NULL, NULL);
|
||
|
|
||
|
return rc;
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_FlushContext(TSS_CONTEXT *tssContext, TPM_HANDLE flushHandle)
|
||
|
{
|
||
|
return Esys_FlushContext(tssContext, flushHandle);
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_StartAuthSession(TSS_CONTEXT *tssContext, TPM_HANDLE tpmKey,
|
||
|
TPM_HANDLE bind, TPM_SE sessionType,
|
||
|
TPMT_SYM_DEF *symmetric, TPMI_ALG_HASH authHash,
|
||
|
TPM_HANDLE *sessionHandle,
|
||
|
const char *bindPassword)
|
||
|
{
|
||
|
bind = intel_handle(bind);
|
||
|
tpmKey = intel_handle(tpmKey);
|
||
|
if (bind != ESYS_TR_NONE)
|
||
|
intel_auth_helper(tssContext, bind, bindPassword);
|
||
|
|
||
|
return Esys_StartAuthSession(tssContext, tpmKey, bind, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, ESYS_TR_NONE, NULL,
|
||
|
sessionType, symmetric, authHash,
|
||
|
sessionHandle);
|
||
|
}
|
||
|
|
||
|
static inline TPM_RC
|
||
|
tpm2_Load(TSS_CONTEXT *tssContext, TPM_HANDLE parentHandle,
|
||
|
PRIVATE_2B *inPrivate, TPM2B_PUBLIC *inPublic,
|
||
|
TPM_HANDLE *objectHandle,
|
||
|
TPM_HANDLE auth, const char *authVal)
|
||
|
{
|
||
|
intel_auth_helper(tssContext, parentHandle, authVal);
|
||
|
intel_sess_helper(tssContext, auth, 0);
|
||
|
return Esys_Load(tssContext, parentHandle, auth, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, inPrivate, inPublic, objectHandle);
|
||
|
}
|
||
|
|
||
|
static inline TPM_HANDLE
|
||
|
tpm2_handle_ext(TSS_CONTEXT *tssContext, TPM_HANDLE esysh)
|
||
|
{
|
||
|
TPM2_HANDLE realh = 0;
|
||
|
|
||
|
Esys_TR_GetTpmHandle(tssContext, esysh, &realh);
|
||
|
|
||
|
return realh;
|
||
|
}
|
||
|
|
||
|
static inline TPM_HANDLE
|
||
|
tpm2_handle_int(TSS_CONTEXT *tssContext, TPM_HANDLE realh)
|
||
|
{
|
||
|
TPM_HANDLE esysh = 0;
|
||
|
|
||
|
/* ***ing thing doesn't transform permanent handles */
|
||
|
if ((realh >> 24) == TPM_HT_PERMANENT)
|
||
|
{
|
||
|
switch (realh)
|
||
|
{
|
||
|
case TPM2_RH_OWNER:
|
||
|
return TPM_RH_OWNER;
|
||
|
case TPM2_RH_PLATFORM:
|
||
|
return TPM_RH_PLATFORM;
|
||
|
case TPM2_RH_ENDORSEMENT:
|
||
|
return TPM_RH_ENDORSEMENT;
|
||
|
case TPM2_RH_NULL:
|
||
|
return ESYS_TR_RH_NULL;
|
||
|
default:
|
||
|
return 0;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
Esys_TR_FromTPMPublic(tssContext, realh, ESYS_TR_NONE,
|
||
|
ESYS_TR_NONE, ESYS_TR_NONE, &esysh);
|
||
|
|
||
|
return esysh;
|
||
|
}
|
||
|
|
||
|
static inline int
|
||
|
tpm2_handle_mso(TSS_CONTEXT *tssContext, TPM_HANDLE esysh, UINT32 mso)
|
||
|
{
|
||
|
return (tpm2_handle_ext(tssContext, esysh) >> 24) == mso;
|
||
|
}
|
||
|
|
||
|
#endif
|