diff options
Diffstat (limited to 'src/libtpmtss')
| -rw-r--r-- | src/libtpmtss/Makefile.am | 25 | ||||
| -rw-r--r-- | src/libtpmtss/Makefile.in | 788 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss.c | 54 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss.h | 140 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_quote_info.c | 330 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_quote_info.h | 151 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_trousers.c | 655 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_trousers.h | 52 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_tss2.c | 696 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_tss2.h | 31 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_tss2_names.c | 123 | ||||
| -rw-r--r-- | src/libtpmtss/tpm_tss_tss2_names.h | 30 |
12 files changed, 3075 insertions, 0 deletions
diff --git a/src/libtpmtss/Makefile.am b/src/libtpmtss/Makefile.am new file mode 100644 index 000000000..8fcb44f6a --- /dev/null +++ b/src/libtpmtss/Makefile.am @@ -0,0 +1,25 @@ +AM_CPPFLAGS = \ + -I$(top_srcdir)/src/libstrongswan + +AM_LDFLAGS = \ + -no-undefined + +ipseclib_LTLIBRARIES = libtpmtss.la +libtpmtss_la_SOURCES = \ + tpm_tss.h tpm_tss.c \ + tpm_tss_quote_info.h tpm_tss_quote_info.c \ + tpm_tss_trousers.h tpm_tss_trousers.c \ + tpm_tss_tss2.h tpm_tss_tss2.c \ + tpm_tss_tss2_names.h tpm_tss_tss2_names.c + +libtpmtss_la_LIBADD = \ + $(top_builddir)/src/libstrongswan/libstrongswan.la + +if USE_TSS2 +libtpmtss_la_LIBADD += -ltctisocket -ltss2 +endif + +if USE_TROUSERS +libtpmtss_la_LIBADD += -ltspi +endif + diff --git a/src/libtpmtss/Makefile.in b/src/libtpmtss/Makefile.in new file mode 100644 index 000000000..fcee04fc3 --- /dev/null +++ b/src/libtpmtss/Makefile.in @@ -0,0 +1,788 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/src/libtpmtss/tpm_tss.c b/src/libtpmtss/tpm_tss.c new file mode 100644 index 000000000..b7b970c8d --- /dev/null +++ b/src/libtpmtss/tpm_tss.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +#include "tpm_tss.h" +#include "tpm_tss_tss2.h" +#include "tpm_tss_trousers.h" + +/** + * Described in header. + */ +void libtpmtss_init(void) +{ + /* empty */ +} + +typedef tpm_tss_t*(*tpm_tss_create)(); + +/** + * See header. + */ +tpm_tss_t *tpm_tss_probe(tpm_version_t version) +{ + tpm_tss_create stacks[] = { + tpm_tss_tss2_create, + tpm_tss_trousers_create, + }; + tpm_tss_t *tpm; + int i; + + for (i = 0; i < countof(stacks); i++) + { + tpm = stacks[i](); + if (tpm) + { + if (version == TPM_VERSION_ANY || version == tpm->get_version(tpm)) + { + return tpm; + } + } + } + return NULL; +} diff --git a/src/libtpmtss/tpm_tss.h b/src/libtpmtss/tpm_tss.h new file mode 100644 index 000000000..4f4b9e2cf --- /dev/null +++ b/src/libtpmtss/tpm_tss.h @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +/** + * @defgroup libtpmtss libtpmtss + * + * @addtogroup libtpmtss + * @{ + */ + +#ifndef TPM_TSS_H_ +#define TPM_TSS_H_ + +#include "tpm_tss_quote_info.h" + +#include <library.h> +#include <crypto/hashers/hasher.h> + +typedef enum tpm_version_t tpm_version_t; +typedef struct tpm_tss_t tpm_tss_t; + +/** + * TPM Versions + */ +enum tpm_version_t { + TPM_VERSION_ANY, + TPM_VERSION_1_2, + TPM_VERSION_2_0, +}; + +/** + * TPM access via TSS public interface + */ +struct tpm_tss_t { + + /** + * Get TPM version supported by TSS + * + * @return TPM version + */ + tpm_version_t (*get_version)(tpm_tss_t *this); + + /** + * Get TPM version info (TPM 1.2 only) + * + * @return TPM version info struct + */ + chunk_t (*get_version_info)(tpm_tss_t *this); + + /** + * Generate AIK key pair bound to TPM (TPM 1.2 only) + * + * @param ca_modulus RSA modulus of CA public key + * @param aik_blob AIK private key blob + * @param aik_pubkey AIK public key + * @return TRUE if AIK key generation succeeded + */ + bool (*generate_aik)(tpm_tss_t *this, chunk_t ca_modulus, + chunk_t *aik_blob, chunk_t *aik_pubkey, + chunk_t *identity_req); + + /** + * Get public key from TPM using its object handle (TPM 2.0 only) + * + * @param handle key object handle + * @return public key in PKCS#1 format + */ + chunk_t (*get_public)(tpm_tss_t *this, uint32_t handle); + + /** + * Retrieve the current value of a PCR register in a given PCR bank + * + * @param pcr_num PCR number + * @param pcr_value PCR value returned + * @param alg hash algorithm, selects PCR bank (TPM 2.0 only) + * @return TRUE if PCR value retrieval succeeded + */ + bool (*read_pcr)(tpm_tss_t *this, uint32_t pcr_num, chunk_t *pcr_value, + hash_algorithm_t alg); + + /** + * Extend a PCR register in a given PCR bank with a hash value + * + * @param pcr_num PCR number + * @param pcr_value extended PCR value returned + * @param hash data to be extended into the PCR + * @param alg hash algorithm, selects PCR bank (TPM 2.0 only) + * @return TRUE if PCR extension succeeded + */ + bool (*extend_pcr)(tpm_tss_t *this, uint32_t pcr_num, chunk_t *pcr_value, + chunk_t data, hash_algorithm_t alg); + + /** + * Do a quote signature over a selection of PCR registers + * + * @param aik_handle object handle of AIK to be used for quote signature + * @param pcr_sel selection of PCR registers + * @param alg hash algorithm to be used for quote signature + * @param data additional data to be hashed into the quote + * @param quote_mode define current and legacy TPM quote modes + * @param quote_info returns various info covered by quote signature + * @param quote_sig returns quote signature + * @return TRUE if quote signature succeeded + */ + bool (*quote)(tpm_tss_t *this, uint32_t aik_handle, uint32_t pcr_sel, + hash_algorithm_t alg, chunk_t data, + tpm_quote_mode_t *quote_mode, + tpm_tss_quote_info_t **quote_info, chunk_t *quote_sig); + + /** + * Destroy a tpm_tss_t. + */ + void (*destroy)(tpm_tss_t *this); +}; + +/** + * Create a tpm_tss instance. + * + * @param version TPM version that must be supported by TSS + */ +tpm_tss_t *tpm_tss_probe(tpm_version_t version); + +/** + * Dummy libtpmtss initialization function needed for integrity test + */ +void libtpmtss_init(void); + +#endif /** TPM_TSS_H_ @}*/ diff --git a/src/libtpmtss/tpm_tss_quote_info.c b/src/libtpmtss/tpm_tss_quote_info.c new file mode 100644 index 000000000..0341738e0 --- /dev/null +++ b/src/libtpmtss/tpm_tss_quote_info.c @@ -0,0 +1,330 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +#include <tpm_tss_quote_info.h> + +#include <bio/bio_writer.h> + +#ifndef TPM_TAG_QUOTE_INFO2 +#define TPM_TAG_QUOTE_INFO2 0x0036 +#endif +#ifndef TPM_LOC_ZERO +#define TPM_LOC_ZERO 0x01 +#endif + +typedef struct private_tpm_tss_quote_info_t private_tpm_tss_quote_info_t; + +/** + * Private data of an tpm_tss_quote_info_t object. + */ +struct private_tpm_tss_quote_info_t { + + /** + * Public tpm_tss_quote_info_t interface. + */ + tpm_tss_quote_info_t public; + + /** + * TPM Quote Mode + */ + tpm_quote_mode_t quote_mode; + + /** + * TPM Qualified Signer + */ + chunk_t qualified_signer; + + /** + * TPM Clock Info + */ + chunk_t clock_info; + + /** + * TPM Version Info + */ + chunk_t version_info; + + /** + * TPM PCR Selection + */ + chunk_t pcr_select; + + /** + * TPM PCR Composite Hash + */ + chunk_t pcr_digest; + + /** + * TPM PCR Composite Hash algorithm + */ + hash_algorithm_t pcr_digest_alg; + + /** + * Reference count + */ + refcount_t ref; + +}; + +METHOD(tpm_tss_quote_info_t, get_quote_mode, tpm_quote_mode_t, + private_tpm_tss_quote_info_t *this) +{ + return this->quote_mode; +} + +METHOD(tpm_tss_quote_info_t, get_pcr_digest_alg, hash_algorithm_t, + private_tpm_tss_quote_info_t *this) +{ + return this->pcr_digest_alg; +} + +METHOD(tpm_tss_quote_info_t, get_pcr_digest, chunk_t, + private_tpm_tss_quote_info_t *this) +{ + return this->pcr_digest; +} + +METHOD(tpm_tss_quote_info_t, get_quote, bool, + private_tpm_tss_quote_info_t *this, chunk_t nonce, + tpm_tss_pcr_composite_t *composite, chunk_t *quoted) +{ + chunk_t pcr_composite, pcr_digest; + bio_writer_t *writer; + hasher_t *hasher; + bool equal_digests; + + /* Construct PCR Composite */ + writer = bio_writer_create(32); + + switch (this->quote_mode) + { + case TPM_QUOTE: + case TPM_QUOTE2: + case TPM_QUOTE2_VERSION_INFO: + writer->write_data16(writer, composite->pcr_select); + writer->write_data32(writer, composite->pcr_composite); + + break; + case TPM_QUOTE_TPM2: + writer->write_data(writer, composite->pcr_composite); + break; + case TPM_QUOTE_NONE: + break; + } + + pcr_composite = writer->extract_buf(writer); + writer->destroy(writer); + + DBG2(DBG_PTS, "constructed PCR Composite: %B", &pcr_composite); + + /* Compute PCR Composite Hash */ + hasher = lib->crypto->create_hasher(lib->crypto, this->pcr_digest_alg); + if (!hasher || !hasher->allocate_hash(hasher, pcr_composite, &pcr_digest)) + { + DESTROY_IF(hasher); + chunk_free(&pcr_composite); + return FALSE; + } + hasher->destroy(hasher); + chunk_free(&pcr_composite); + + DBG2(DBG_PTS, "constructed PCR Composite digest: %B", &pcr_digest); + + equal_digests = chunk_equals(pcr_digest, this->pcr_digest); + + /* Construct Quote Info */ + writer = bio_writer_create(32); + + switch (this->quote_mode) + { + case TPM_QUOTE: + /* Version number */ + writer->write_data(writer, chunk_from_chars(1, 1, 0, 0)); + + /* Magic QUOT value */ + writer->write_data(writer, chunk_from_str("QUOT")); + + /* PCR Composite Hash */ + writer->write_data(writer, pcr_digest); + + /* Secret assessment value 20 bytes (nonce) */ + writer->write_data(writer, nonce); + break; + case TPM_QUOTE2: + case TPM_QUOTE2_VERSION_INFO: + /* TPM Structure Tag */ + writer->write_uint16(writer, TPM_TAG_QUOTE_INFO2); + + /* Magic QUT2 value */ + writer->write_data(writer, chunk_from_str("QUT2")); + + /* Secret assessment value 20 bytes (nonce) */ + writer->write_data(writer, nonce); + + /* PCR selection */ + writer->write_data16(writer, composite->pcr_select); + + /* TPM Locality Selection */ + writer->write_uint8(writer, TPM_LOC_ZERO); + + /* PCR Composite Hash */ + writer->write_data(writer, pcr_digest); + + if (this->quote_mode == TPM_QUOTE2_VERSION_INFO) + { + /* TPM version Info */ + writer->write_data(writer, this->version_info); + } + break; + case TPM_QUOTE_TPM2: + /* Magic */ + writer->write_data(writer, chunk_from_chars(0xff,0x54,0x43,0x47)); + + /* Type */ + writer->write_uint16(writer, 0x8018); + + /* Qualified Signer */ + writer->write_data16(writer, this->qualified_signer); + + /* Extra Data */ + writer->write_data16(writer, nonce); + + /* Clock Info */ + writer->write_data(writer, this->clock_info); + + /* Firmware Version */ + writer->write_data(writer, this->version_info); + + /* PCR Selection */ + writer->write_data(writer, this->pcr_select); + + /* PCR Composite Hash */ + writer->write_data16(writer, pcr_digest); + break; + case TPM_QUOTE_NONE: + break; + } + chunk_free(&pcr_digest); + *quoted = writer->extract_buf(writer); + writer->destroy(writer); + + DBG2(DBG_PTS, "constructed TPM Quote Info: %B", quoted); + + if (!equal_digests) + { + DBG1(DBG_IMV, "received PCR Composite digest does not match " + "constructed one"); + chunk_free(quoted); + } + return equal_digests; +} + +METHOD(tpm_tss_quote_info_t, set_version_info, void, + private_tpm_tss_quote_info_t *this, chunk_t version_info) +{ + chunk_free(&this->version_info); + this->version_info = chunk_clone(version_info); +} + +METHOD(tpm_tss_quote_info_t, get_version_info, chunk_t, + private_tpm_tss_quote_info_t *this) +{ + return this->version_info; +} + +METHOD(tpm_tss_quote_info_t, set_tpm2_info, void, + private_tpm_tss_quote_info_t *this, chunk_t qualified_signer, + chunk_t clock_info, chunk_t pcr_select) +{ + chunk_free(&this->qualified_signer); + this->qualified_signer = chunk_clone(qualified_signer); + + chunk_free(&this->clock_info); + this->clock_info = chunk_clone(clock_info); + + chunk_free(&this->pcr_select); + this->pcr_select = chunk_clone(pcr_select); +} + +METHOD(tpm_tss_quote_info_t, get_tpm2_info, void, + private_tpm_tss_quote_info_t *this, chunk_t *qualified_signer, + chunk_t *clock_info, chunk_t *pcr_select) +{ + if (qualified_signer) + { + *qualified_signer = this->qualified_signer; + } + if (clock_info) + { + *clock_info = this->clock_info; + } + if (pcr_select) + { + *pcr_select = this->pcr_select; + } +} + +METHOD(tpm_tss_quote_info_t, get_ref, tpm_tss_quote_info_t*, + private_tpm_tss_quote_info_t *this) +{ + ref_get(&this->ref); + + return &this->public; +} + +METHOD(tpm_tss_quote_info_t, destroy, void, + private_tpm_tss_quote_info_t *this) +{ + if (ref_put(&this->ref)) + { + chunk_free(&this->qualified_signer); + chunk_free(&this->clock_info); + chunk_free(&this->version_info); + chunk_free(&this->pcr_select); + chunk_free(&this->pcr_digest); + free(this); + } +} + +/** + * See header + */ +tpm_tss_quote_info_t *tpm_tss_quote_info_create(tpm_quote_mode_t quote_mode, + hash_algorithm_t pcr_digest_alg, chunk_t pcr_digest) + +{ + private_tpm_tss_quote_info_t *this; + + INIT(this, + .public = { + .get_quote_mode = _get_quote_mode, + .get_pcr_digest_alg = _get_pcr_digest_alg, + .get_pcr_digest = _get_pcr_digest, + .get_quote = _get_quote, + .set_version_info = _set_version_info, + .get_version_info = _get_version_info, + .set_tpm2_info = _set_tpm2_info, + .get_tpm2_info = _get_tpm2_info, + .get_ref = _get_ref, + .destroy = _destroy, + }, + .quote_mode = quote_mode, + .pcr_digest_alg = pcr_digest_alg, + .pcr_digest = chunk_clone(pcr_digest), + .ref = 1, + ); + + return &this->public; +} diff --git a/src/libtpmtss/tpm_tss_quote_info.h b/src/libtpmtss/tpm_tss_quote_info.h new file mode 100644 index 000000000..5b1c45794 --- /dev/null +++ b/src/libtpmtss/tpm_tss_quote_info.h @@ -0,0 +1,151 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +/** + * @defgroup tpm_tss_quote_info tpm_tss_quote_info + * @{ @ingroup libtpmtss + */ + +#ifndef TPM_TSS_QUOTE_INFO_H_ +#define TPM_TSS_QUOTE_INFO_H_ + +#include <library.h> + +#include <crypto/hashers/hasher.h> + +typedef enum tpm_quote_mode_t tpm_quote_mode_t; +typedef struct tpm_tss_quote_info_t tpm_tss_quote_info_t; +typedef struct tpm_tss_pcr_composite_t tpm_tss_pcr_composite_t; + +/** + * TPM Quote Modes + */ +enum tpm_quote_mode_t { + TPM_QUOTE_NONE, + TPM_QUOTE, + TPM_QUOTE2, + TPM_QUOTE2_VERSION_INFO, + TPM_QUOTE_TPM2 +}; + +struct tpm_tss_pcr_composite_t { + + /** + * Bit map of selected PCRs + */ + chunk_t pcr_select; + + /** + * Array of selected PCRs + */ + chunk_t pcr_composite; + +}; + +/** + * TPM Quote Information needed to verify the Quote Signature + */ +struct tpm_tss_quote_info_t { + + /** + * Get TPM Quote Mode + * + * @return TPM Quote Mode + */ + tpm_quote_mode_t (*get_quote_mode)(tpm_tss_quote_info_t *this); + + /** + * Get PCR Composite digest algorithm + * + * @return PCR Composite digest algorithm + */ + hash_algorithm_t (*get_pcr_digest_alg)(tpm_tss_quote_info_t *this); + + /** + * Get PCR Composite digest + * + * @return PCR Composite digest + */ + chunk_t (*get_pcr_digest)(tpm_tss_quote_info_t *this); + + /** + * Get TPM Quote Info digest, the basis of the TPM Quote Singature + * + * @param nonce Derived from the Diffie-Hellman exchange + * @param composite PCR Composite as computed by IMV + * @param quoted Encoded TPM Quote + * @return TRUE if TPM Quote was successfully constructed + */ + bool (*get_quote)(tpm_tss_quote_info_t *this, chunk_t nonce, + tpm_tss_pcr_composite_t *composite, + chunk_t *quoted); + + /** + * Set TPM version info (needed for TPM 1.2) + * + * @param version_info TPM 1.2 version info + */ + void (*set_version_info)(tpm_tss_quote_info_t *this, chunk_t version_info); + + /** + * Get TPM 2.0 version info (needed for TPM 2.0) + * + * @return TPM 2.0 firmwareVersioin + */ + chunk_t (*get_version_info)(tpm_tss_quote_info_t *this); + + /** + * Set TPM 2.0 info parameters (needed for TPM 2.0) + * + * @param qualified_signer TPM 2.0 qualifiedSigner + * @param clock_info TPM 2.0 clockInfo + * @param pcr_select TPM 2.0 pcrSelect + */ + void (*set_tpm2_info)(tpm_tss_quote_info_t *this, chunk_t qualified_signer, + chunk_t clock_info, chunk_t pcr_select); + + + /** + * Get TPM 2.0 info parameters (needed for TPM 2.0) + * + * @param qualified_signer TPM 2.0 qualifiedSigner + * @param clock_info TPM 2.0 clockInfo + * @param pcr_select TPM 2.0 pcrSelect + */ + void (*get_tpm2_info)(tpm_tss_quote_info_t *this, chunk_t *qualified_signer, + chunk_t *clock_info, chunk_t *pcr_select); + + /** + * Get reference to Quote Info object. + */ + tpm_tss_quote_info_t* (*get_ref)(tpm_tss_quote_info_t *this); + + /** + * Destroy a tpm_tss_quote_info_t. + */ + void (*destroy)(tpm_tss_quote_info_t *this); +}; + +/** + * Create a tpm_tss_quote_info instance. + * + * @param quote_mode TPM Quote mode + * @param pcr_digest_alg PCR Composite digest algorithm + * @param pcr_digest PCR Composite digest + */ +tpm_tss_quote_info_t *tpm_tss_quote_info_create(tpm_quote_mode_t quote_mode, + hash_algorithm_t pcr_digest_alg, chunk_t pcr_digest); + +#endif /** TPM_TSS_QUOTE_INFO_H_ @}*/ diff --git a/src/libtpmtss/tpm_tss_trousers.c b/src/libtpmtss/tpm_tss_trousers.c new file mode 100644 index 000000000..8be3ad877 --- /dev/null +++ b/src/libtpmtss/tpm_tss_trousers.c @@ -0,0 +1,655 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * Copyright (c) 2008 Hal Finney + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "tpm_tss_trousers.h" + +#ifdef TSS_TROUSERS + +#ifdef _BASETSD_H_ +/* MinGW defines _BASETSD_H_, but TSS checks for _BASETSD_H */ +# define _BASETSD_H +#endif + +#include <trousers/tss.h> +#include <trousers/trousers.h> + +#define LABEL "TPM 1.2 -" + +/* size in bytes of a TSS AIK public key blob */ +#define AIK_PUBKEY_BLOB_SIZE 284 + +/* maximum number of PCR registers */ +#define PCR_NUM_MAX 24 + +typedef struct private_tpm_tss_trousers_t private_tpm_tss_trousers_t; +typedef struct aik_t aik_t; + +/** + * Private data of an tpm_tss_trousers_t object. + */ +struct private_tpm_tss_trousers_t { + + /** + * Public tpm_tss_trousers_t interface. + */ + tpm_tss_trousers_t interface; + + /** + * TSS context + */ + TSS_HCONTEXT hContext; + + /** + * TPM handle + */ + TSS_HTPM hTPM; + + /** + * TPM version info + */ + chunk_t version_info; + + /** + * List of AIKs retrievable by an object handle + */ + linked_list_t *aik_list; + +}; + +struct aik_t { + /** AIK object handle */ + uint32_t handle; + + /** AIK private key blob */ + chunk_t blob; + + /** AIK public key */ + chunk_t pubkey; +}; + +static void free_aik(aik_t *this) +{ + free(this->blob.ptr); + free(this->pubkey.ptr); + free(this); +} + +/** + * Initialize TSS context + * + * TPM 1.2 Specification, Part 2 TPM Structures, 21.6 TPM_CAP_VERSION_INFO + * + * typedef struct tdTPM_VERSION { + * TPM_VERSION_BYTE major; + * TPM_VERSION_BYTE minor; + * BYTE revMajor; + * BYTE revMinor; + * } TPM_VERSION; + * + * typedef struct tdTPM_CAP_VERSION_INFO { + * TPM_STRUCTURE_TAG tag; + * TPM_VERSION version; + * UINT16 specLevel; + * BYTE errataRev; + * BYTE tpmVendorID[4]; + * UINT16 vendorSpecificSize; + * [size_is(vendorSpecificSize)] BYTE* vendorSpecific; + * } TPM_CAP_VERSION_INFO; + */ +static bool initialize_context(private_tpm_tss_trousers_t *this) +{ + uint8_t *version_ptr; + uint32_t version_len; + + TSS_RESULT result; + TPM_CAP_VERSION_INFO *info; + + result = Tspi_Context_Create(&this->hContext); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s could not created context: 0x%x", + LABEL, result); + return FALSE; + } + + result = Tspi_Context_Connect(this->hContext, NULL); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s could not connect with context: 0x%x", + LABEL, result); + return FALSE; + } + + result = Tspi_Context_GetTpmObject (this->hContext, &this->hTPM); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get TPM object: 0x%x", + LABEL, result); + return FALSE; + } + + result = Tspi_TPM_GetCapability(this->hTPM, TSS_TPMCAP_VERSION_VAL, 0, + NULL, &version_len, &version_ptr); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_TPM_GetCapability failed: 0x%x", + LABEL, result); + return FALSE; + } + + info = (TPM_CAP_VERSION_INFO *)version_ptr; + DBG2(DBG_PTS, "TPM Version Info: Chip Version: %u.%u.%u.%u, " + "Spec Level: %u, Errata Rev: %u, Vendor ID: %.4s", + info->version.major, info->version.minor, + info->version.revMajor, info->version.revMinor, + untoh16(&info->specLevel), info->errataRev, info->tpmVendorID); + + this->version_info = chunk_clone(chunk_create(version_ptr, version_len)); + + return TRUE; +} + +/** + * Finalize TSS context + */ +static void finalize_context(private_tpm_tss_trousers_t *this) +{ + if (this->hContext) + { + Tspi_Context_FreeMemory(this->hContext, NULL); + Tspi_Context_Close(this->hContext); + } +} + +METHOD(tpm_tss_t, get_version, tpm_version_t, + private_tpm_tss_trousers_t *this) +{ + return TPM_VERSION_1_2; +} + +METHOD(tpm_tss_t, get_version_info, chunk_t, + private_tpm_tss_trousers_t *this) +{ + return this->version_info; +} + +METHOD(tpm_tss_t, generate_aik, bool, + private_tpm_tss_trousers_t *this, chunk_t ca_modulus, chunk_t *aik_blob, + chunk_t *aik_pubkey, chunk_t *identity_req) +{ + chunk_t aik_pubkey_blob; + chunk_t aik_modulus; + chunk_t aik_exponent; + + TSS_RESULT result; + TSS_HKEY hSRK; + TSS_HKEY hPCAKey; + TSS_HPOLICY hSrkPolicy; + TSS_HPOLICY hTPMPolicy; + TSS_HKEY hIdentKey; + TSS_UUID SRK_UUID = TSS_UUID_SRK; + BYTE secret[] = TSS_WELL_KNOWN_SECRET; + BYTE *IdentityReq; + UINT32 IdentityReqLen; + BYTE *blob; + UINT32 blobLen; + + /* get SRK plus SRK policy and set SRK secret */ + result = Tspi_Context_LoadKeyByUUID(this->hContext, TSS_PS_TYPE_SYSTEM, + SRK_UUID, &hSRK); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_LoadKeyByUUID for SRK failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_GetPolicyObject(hSRK, TSS_POLICY_USAGE, &hSrkPolicy); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_GetPolicyObject or SRK failed: 0x%x ", + LABEL, result); + return FALSE; + } + result = Tspi_Policy_SetSecret(hSrkPolicy, TSS_SECRET_MODE_SHA1, 20, secret); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Policy_SetSecret for SRK failed: 0x%x ", + LABEL, result); + return FALSE; + } + + /* get TPM plus TPM policy and set TPM secret */ + result = Tspi_Context_GetTpmObject (this->hContext, &this->hTPM); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_GetTpmObject failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_GetPolicyObject(this->hTPM, TSS_POLICY_USAGE, &hTPMPolicy); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_GetPolicyObject for TPM failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_Policy_SetSecret(hTPMPolicy, TSS_SECRET_MODE_SHA1, 20, secret); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS,"%s Tspi_Policy_SetSecret for TPM failed: 0x%x", + LABEL, result); + return FALSE; + } + + /* create context for a 2048 bit AIK */ + result = Tspi_Context_CreateObject(this->hContext, TSS_OBJECT_TYPE_RSAKEY, + TSS_KEY_TYPE_IDENTITY | TSS_KEY_SIZE_2048 | + TSS_KEY_VOLATILE | TSS_KEY_NOT_MIGRATABLE, &hIdentKey); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_CreateObject for key failed: 0x%x", + LABEL, result); + return FALSE; + } + + /* create context for the Privacy CA public key and assign modulus */ + result = Tspi_Context_CreateObject(this->hContext, TSS_OBJECT_TYPE_RSAKEY, + TSS_KEY_TYPE_LEGACY|TSS_KEY_SIZE_2048, &hPCAKey); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_CreateObject for PCA failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_SetAttribData (hPCAKey, TSS_TSPATTRIB_RSAKEY_INFO, + TSS_TSPATTRIB_KEYINFO_RSA_MODULUS, ca_modulus.len, + ca_modulus.ptr); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_SetAttribData for PCA modulus failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_SetAttribUint32(hPCAKey, TSS_TSPATTRIB_KEY_INFO, + TSS_TSPATTRIB_KEYINFO_ENCSCHEME, TSS_ES_RSAESPKCSV15); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS,"%s Tspi_SetAttribUint32 for PCA encryption scheme " + "failed: 0x%x", LABEL, result); + return FALSE; + } + + /* generate AIK */ + DBG1(DBG_LIB, "Generating identity key..."); + result = Tspi_TPM_CollateIdentityRequest(this->hTPM, hSRK, hPCAKey, 0, NULL, + hIdentKey, TSS_ALG_AES, &IdentityReqLen, &IdentityReq); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_TPM_CollateIdentityRequest failed: 0x%x", + LABEL, result); + return FALSE; + } + *identity_req = chunk_create(IdentityReq, IdentityReqLen); + DBG3(DBG_LIB, "%s Identity Request: %B", LABEL, identity_req); + + /* load identity key */ + result = Tspi_Key_LoadKey (hIdentKey, hSRK); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Key_LoadKey for AIK failed: 0x%x", + LABEL, result); + return FALSE; + } + + /* output AIK private key in TSS blob format */ + result = Tspi_GetAttribData (hIdentKey, TSS_TSPATTRIB_KEY_BLOB, + TSS_TSPATTRIB_KEYBLOB_BLOB, &blobLen, &blob); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_GetAttribData for private key blob failed: 0x%x", + LABEL, result); + return FALSE; + } + *aik_blob = chunk_create(blob, blobLen); + DBG3(DBG_LIB, "%s AIK private key blob: %B", LABEL, aik_blob); + + /* output AIK Public Key in TSS blob format */ + result = Tspi_GetAttribData (hIdentKey, TSS_TSPATTRIB_KEY_BLOB, + TSS_TSPATTRIB_KEYBLOB_PUBLIC_KEY, &blobLen, &blob); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_GetAttribData for public key blob failed: 0x%x", + LABEL, result); + return FALSE; + } + aik_pubkey_blob = chunk_create(blob, blobLen); + DBG3(DBG_LIB, "%s AIK public key blob: %B", LABEL, &aik_pubkey_blob); + + /* create a trusted AIK public key */ + if (aik_pubkey_blob.len != AIK_PUBKEY_BLOB_SIZE) + { + DBG1(DBG_PTS, "%s AIK public key is not in TSS blob format", + LABEL); + return FALSE; + } + aik_modulus = chunk_skip(aik_pubkey_blob, AIK_PUBKEY_BLOB_SIZE - 256); + aik_exponent = chunk_from_chars(0x01, 0x00, 0x01); + + /* output subjectPublicKeyInfo encoding of AIK public key */ + if (!lib->encoding->encode(lib->encoding, PUBKEY_SPKI_ASN1_DER, NULL, + aik_pubkey, CRED_PART_RSA_MODULUS, aik_modulus, + CRED_PART_RSA_PUB_EXP, aik_exponent, CRED_PART_END)) + { + DBG1(DBG_PTS, "%s subjectPublicKeyInfo encoding of AIK key failed", + LABEL); + return FALSE; + } + return TRUE; +} + +METHOD(tpm_tss_t, get_public, chunk_t, + private_tpm_tss_trousers_t *this, uint32_t handle) +{ + enumerator_t *enumerator; + chunk_t aik_pubkey = chunk_empty; + aik_t *aik; + + enumerator = this->aik_list->create_enumerator(this->aik_list); + while (enumerator->enumerate(enumerator, &aik)) + { + if (aik->handle == handle) + { + aik_pubkey = chunk_clone(aik->pubkey); + break; + } + } + enumerator->destroy(enumerator); + + return aik_pubkey; +} + +METHOD(tpm_tss_t, read_pcr, bool, + private_tpm_tss_trousers_t *this, uint32_t pcr_num, chunk_t *pcr_value, + hash_algorithm_t alg) +{ + TSS_RESULT result; + uint8_t *value; + uint32_t len; + + result = Tspi_TPM_PcrRead(this->hTPM, pcr_num, &len, &value); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_TPM_PcrRead failed: 0x%x", LABEL, result); + return FALSE; + } + *pcr_value = chunk_clone(chunk_create(value, len)); + + return TRUE; +} + +METHOD(tpm_tss_t, extend_pcr, bool, + private_tpm_tss_trousers_t *this, uint32_t pcr_num, chunk_t *pcr_value, + chunk_t data, hash_algorithm_t alg) +{ + TSS_RESULT result; + uint32_t pcr_len; + uint8_t *pcr_ptr; + + result = Tspi_TPM_PcrExtend(this->hTPM, pcr_num, data.len, data.ptr, + NULL, &pcr_len, &pcr_ptr); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_TPM_PcrExtend failed: 0x%x", LABEL, result); + return FALSE; + } + *pcr_value = chunk_clone(chunk_create(pcr_ptr, pcr_len)); + + return TRUE; +} + +METHOD(tpm_tss_t, quote, bool, + private_tpm_tss_trousers_t *this, uint32_t aik_handle, uint32_t pcr_sel, + hash_algorithm_t alg, chunk_t data, tpm_quote_mode_t *quote_mode, + tpm_tss_quote_info_t **quote_info, chunk_t *quote_sig) +{ + TSS_HKEY hAIK; + TSS_HKEY hSRK; + TSS_HPOLICY srkUsagePolicy; + TSS_UUID SRK_UUID = TSS_UUID_SRK; + TSS_HPCRS hPcrComposite; + TSS_VALIDATION valData; + TSS_RESULT result; + uint8_t secret[] = TSS_WELL_KNOWN_SECRET; + uint8_t *version_info, *comp_hash; + uint32_t version_info_size, pcr; + aik_t *aik; + chunk_t aik_blob = chunk_empty; + chunk_t quote_chunk, pcr_digest; + enumerator_t *enumerator; + bool success = FALSE; + + /* Retrieve SRK from TPM and set the authentication to well known secret*/ + result = Tspi_Context_LoadKeyByUUID(this->hContext, TSS_PS_TYPE_SYSTEM, + SRK_UUID, &hSRK); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_LoadKeyByUUID for SRK failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_GetPolicyObject(hSRK, TSS_POLICY_USAGE, &srkUsagePolicy); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_GetPolicyObject for SRK failed: 0x%x", + LABEL, result); + return FALSE; + } + result = Tspi_Policy_SetSecret(srkUsagePolicy, TSS_SECRET_MODE_SHA1, + 20, secret); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Policy_SetSecret for SRK failed: 0x%x", + LABEL, result); + return FALSE; + } + + /* Retrieve AIK using its handle and load private key into TPM 1.2 */ + enumerator = this->aik_list->create_enumerator(this->aik_list); + while (enumerator->enumerate(enumerator, &aik)) + { + if (aik->handle == aik_handle) + { + aik_blob = aik->blob; + break; + } + } + enumerator->destroy(enumerator); + + if (aik_blob.len == 0) + { + DBG1(DBG_PTS, "%s AIK private key for handle 0x%80x not found", LABEL); + return FALSE; + } + result = Tspi_Context_LoadKeyByBlob(this->hContext, hSRK, aik_blob.len, + aik_blob.ptr, &hAIK); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_LoadKeyByBlob for AIK failed: 0x%x", + LABEL, result); + return FALSE; + } + + /* Create PCR composite object */ + result = Tspi_Context_CreateObject(this->hContext, TSS_OBJECT_TYPE_PCRS, + (*quote_mode == TPM_QUOTE) ? TSS_PCRS_STRUCT_INFO : + TSS_PCRS_STRUCT_INFO_SHORT, + &hPcrComposite); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_Context_CreateObject for pcrComposite failed: " + "0x%x", LABEL, result); + goto err1; + } + + /* Select PCRs */ + for (pcr = 0; pcr < PCR_NUM_MAX; pcr++) + { + if (pcr_sel & (1 << pcr)) + { + result = (*quote_mode == TPM_QUOTE) ? + Tspi_PcrComposite_SelectPcrIndex(hPcrComposite, pcr) : + Tspi_PcrComposite_SelectPcrIndexEx(hPcrComposite, pcr, + TSS_PCRS_DIRECTION_RELEASE); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_PcrComposite_SelectPcrIndex failed: " + "0x%x", LABEL, result); + goto err2; + } + } + } + + /* Set the Validation Data */ + valData.ulExternalDataLength = data.len; + valData.rgbExternalData = data.ptr; + + /* TPM Quote */ + result = (*quote_mode == TPM_QUOTE) ? + Tspi_TPM_Quote (this->hTPM, hAIK, hPcrComposite, &valData) : + Tspi_TPM_Quote2(this->hTPM, hAIK, + *quote_mode == TPM_QUOTE2_VERSION_INFO, + hPcrComposite, &valData, &version_info_size, + &version_info); + if (result != TSS_SUCCESS) + { + DBG1(DBG_PTS, "%s Tspi_TPM_Quote%s failed: 0x%x", LABEL, + (*quote_mode == TPM_QUOTE) ? "" : "2", result); + goto err2; + } + + if (*quote_mode == TPM_QUOTE) + { + /* TPM_Composite_Hash starts at byte 8 of TPM_Quote_Info structure */ + comp_hash = valData.rgbData + 8; + } + else + { + /* TPM_Composite_Hash is last 20 bytes of TPM_Quote_Info2 structure */ + comp_hash = valData.rgbData + valData.ulDataLength - version_info_size - + HASH_SIZE_SHA1; + } + pcr_digest = chunk_create(comp_hash, HASH_SIZE_SHA1); + DBG2(DBG_PTS, "PCR composite digest: %B", &pcr_digest); + + quote_chunk = chunk_create(valData.rgbData, valData.ulDataLength); + DBG2(DBG_PTS, "TPM Quote Info: %B", "e_chunk); + + *quote_info = tpm_tss_quote_info_create(*quote_mode, HASH_SHA1, pcr_digest); + + *quote_sig = chunk_clone(chunk_create(valData.rgbValidationData, + valData.ulValidationDataLength)); + DBG2(DBG_PTS, "TPM Quote Signature: %B", quote_sig); + + success = TRUE; + +err2: + Tspi_Context_CloseObject(this->hContext, hPcrComposite); +err1: + Tspi_Context_CloseObject(this->hContext, hAIK); + + return success; +} + +METHOD(tpm_tss_t, destroy, void, + private_tpm_tss_trousers_t *this) +{ + finalize_context(this); + this->aik_list->destroy_function(this->aik_list, (void*)free_aik); + free(this->version_info.ptr); + free(this); +} + +METHOD(tpm_tss_trousers_t, load_aik, void, + private_tpm_tss_trousers_t *this, chunk_t blob, chunk_t pubkey, + uint32_t handle) +{ + aik_t *item; + + INIT(item, + .handle = handle, + .blob = blob, + .pubkey = pubkey, + ); + + this->aik_list->insert_last(this->aik_list, item); +} + +/** + * See header + */ +tpm_tss_t *tpm_tss_trousers_create() +{ + private_tpm_tss_trousers_t *this; + bool available; + + INIT(this, + .interface = { + .public = { + .get_version = _get_version, + .get_version_info = _get_version_info, + .generate_aik = _generate_aik, + .get_public = _get_public, + .read_pcr = _read_pcr, + .quote = _quote, + .extend_pcr = _extend_pcr, + .destroy = _destroy, + }, + .load_aik = _load_aik, + }, + .aik_list = linked_list_create(), + ); + + available = initialize_context(this); + DBG1(DBG_PTS, "TPM 1.2 via TrouSerS %savailable", available ? "" : "not "); + + if (!available) + { + destroy(this); + return NULL; + } + return &this->interface.public; +} + +#else /* TSS_TROUSERS */ + +tpm_tss_t *tpm_tss_trousers_create() +{ + return NULL; +} + +#endif /* TSS_TROUSERS */ + + + diff --git a/src/libtpmtss/tpm_tss_trousers.h b/src/libtpmtss/tpm_tss_trousers.h new file mode 100644 index 000000000..3afba0db2 --- /dev/null +++ b/src/libtpmtss/tpm_tss_trousers.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +/** + * @defgroup tpm_tss_trousers tpm_tss_trousers + * @{ @ingroup libtpmtss + */ + +#ifndef TPM_TSS_TROUSERS_H_ +#define TPM_TSS_TROUSERS_H_ + +#include "tpm_tss.h" + +typedef struct tpm_tss_trousers_t tpm_tss_trousers_t; + +/** + * TPM 1.2 access via TrouSerS public interface + */ +struct tpm_tss_trousers_t { + + tpm_tss_t public; + + /** + * Load AIK public and private key pair and save it under an object handle + * + * @param blob encrypted AIK private key + * @param pubkey AIK public key + * @param handle object handle under which the AIK key is stored + */ + void (*load_aik)(tpm_tss_trousers_t *this, chunk_t blob, chunk_t pubkey, + uint32_t handle); + +}; + +/** + * Create a tpm_tss_trousers instance. + */ +tpm_tss_t *tpm_tss_trousers_create(); + +#endif /** TPM_TSS_TROUSERS_H_ @}*/ diff --git a/src/libtpmtss/tpm_tss_tss2.c b/src/libtpmtss/tpm_tss_tss2.c new file mode 100644 index 000000000..39d9f2e4d --- /dev/null +++ b/src/libtpmtss/tpm_tss_tss2.c @@ -0,0 +1,696 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +#include "tpm_tss_tss2.h" +#include "tpm_tss_tss2_names.h" + +#ifdef TSS_TSS2 + +#include <asn1/asn1.h> +#include <asn1/oid.h> +#include <bio/bio_reader.h> + +#include <tss2/tpm20.h> +#include <tcti/tcti_socket.h> + +#define LABEL "TPM 2.0 -" + +typedef struct private_tpm_tss_tss2_t private_tpm_tss_tss2_t; + +/** + * Private data of an tpm_tss_tss2_t object. + */ +struct private_tpm_tss_tss2_t { + + /** + * Public tpm_tss_tss2_t interface. + */ + tpm_tss_t public; + + /** + * TCTI context + */ + TSS2_TCTI_CONTEXT *tcti_context; + + /** + * SYS context + */ + TSS2_SYS_CONTEXT *sys_context; + + /** + * Number of supported algorithms + */ + size_t supported_algs_count; + + /** + * List of supported algorithms + */ + TPM_ALG_ID supported_algs[TPM_PT_ALGORITHM_SET]; +}; + +/** + * Some symbols required by libtctisocket + */ +FILE *outFp; +uint8_t simulator = 1; + +int TpmClientPrintf (uint8_t type, const char *format, ...) +{ + return 0; +} + +/** + * Convert hash algorithm to TPM_ALG_ID + */ +static TPM_ALG_ID hash_alg_to_tpm_alg_id(hash_algorithm_t alg) +{ + switch (alg) + { + case HASH_SHA1: + return TPM_ALG_SHA1; + case HASH_SHA256: + return TPM_ALG_SHA256; + case HASH_SHA384: + return TPM_ALG_SHA384; + case HASH_SHA512: + return TPM_ALG_SHA512; + default: + return TPM_ALG_ERROR; + } +} + +/** + * Convert TPM_ALG_ID to hash algorithm + */ +static hash_algorithm_t hash_alg_from_tpm_alg_id(TPM_ALG_ID alg) +{ + switch (alg) + { + case TPM_ALG_SHA1: + return HASH_SHA1; + case TPM_ALG_SHA256: + return HASH_SHA256; + case TPM_ALG_SHA384: + return HASH_SHA384; + case TPM_ALG_SHA512: + return HASH_SHA512; + default: + return HASH_UNKNOWN; + } +} + +/** + * Check if an algorithm given by its TPM_ALG_ID is supported by the TPM + */ +static bool is_supported_alg(private_tpm_tss_tss2_t *this, TPM_ALG_ID alg_id) +{ + int i; + + if (alg_id == TPM_ALG_ERROR) + { + return FALSE; + } + + for (i = 0; i < this->supported_algs_count; i++) + { + if (this->supported_algs[i] == alg_id) + { + return TRUE; + } + } + + return FALSE; +} + +/** + * Get a list of supported algorithms + */ +static bool get_algs_capability(private_tpm_tss_tss2_t *this) +{ + TPMS_CAPABILITY_DATA cap_data; + TPMI_YES_NO more_data; + TPM_ALG_ID alg; + uint32_t rval, i; + size_t len = BUF_LEN; + char buf[BUF_LEN]; + char *pos = buf; + int written; + + /* get supported algorithms */ + rval = Tss2_Sys_GetCapability(this->sys_context, 0, TPM_CAP_ALGS, + 0, TPM_PT_ALGORITHM_SET, &more_data, &cap_data, 0); + if (rval != TPM_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s GetCapability failed for TPM_CAP_ALGS: 0x%06x", + LABEL, rval); + return FALSE; + } + + /* Number of supported algorithms */ + this->supported_algs_count = cap_data.data.algorithms.count; + + /* store and print supported algorithms */ + for (i = 0; i < this->supported_algs_count; i++) + { + alg = cap_data.data.algorithms.algProperties[i].alg; + this->supported_algs[i] = alg; + + written = snprintf(pos, len, " %N", tpm_alg_id_names, alg); + if (written < 0 || written >= len) + { + break; + } + pos += written; + len -= written; + } + DBG2(DBG_PTS, "%s algorithms:%s", LABEL, buf); + + /* get supported ECC curves */ + rval = Tss2_Sys_GetCapability(this->sys_context, 0, TPM_CAP_ECC_CURVES, + 0, TPM_PT_LOADED_CURVES, &more_data, &cap_data, 0); + if (rval != TPM_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s GetCapability failed for TPM_ECC_CURVES: 0x%06x", + LABEL, rval); + return FALSE; + } + + /* reset print buffer */ + pos = buf; + len = BUF_LEN; + + /* print supported ECC curves */ + for (i = 0; i < cap_data.data.eccCurves.count; i++) + { + written = snprintf(pos, len, " %N", tpm_ecc_curve_names, + cap_data.data.eccCurves.eccCurves[i]); + if (written < 0 || written >= len) + { + break; + } + pos += written; + len -= written; + } + DBG2(DBG_PTS, "%s ECC curves:%s", LABEL, buf); + + return TRUE; +} + +/** + * Initialize TSS context + */ +static bool initialize_context(private_tpm_tss_tss2_t *this) +{ + size_t tcti_context_size; + uint32_t sys_context_size; + uint32_t rval; + + TCTI_SOCKET_CONF rm_if_config = { DEFAULT_HOSTNAME, + DEFAULT_RESMGR_TPM_PORT + }; + + TSS2_ABI_VERSION abi_version = { TSSWG_INTEROP, + TSS_SAPI_FIRST_FAMILY, + TSS_SAPI_FIRST_LEVEL, + TSS_SAPI_FIRST_VERSION + }; + + /* determine size of tcti context */ + rval = InitSocketTcti(NULL, &tcti_context_size, &rm_if_config, 0); + if (rval != TSS2_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get tcti_context size: 0x%06x", + LABEL, rval); + return FALSE; + } + + /* allocate memory for tcti context */ + this->tcti_context = (TSS2_TCTI_CONTEXT*)malloc(tcti_context_size); + + /* initialize tcti context */ + rval = InitSocketTcti(this->tcti_context, &tcti_context_size, + &rm_if_config, 0); + if (rval != TSS2_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get tcti_context: 0x%06x", + LABEL, rval); + return FALSE; + } + + /* determine size of sys context */ + sys_context_size = Tss2_Sys_GetContextSize(0); + + /* allocate memory for sys context */ + this->sys_context = malloc(sys_context_size); + + /* initialize sys context */ + rval = Tss2_Sys_Initialize(this->sys_context, sys_context_size, + this->tcti_context, &abi_version); + if (rval != TSS2_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not get sys_context: 0x%06x", + LABEL, rval); + return FALSE; + } + + /* get a list of supported algorithms and ECC curves */ + return get_algs_capability(this); +} + +/** + * Finalize TSS context + */ +static void finalize_context(private_tpm_tss_tss2_t *this) +{ + if (this->tcti_context) + { + TeardownSocketTcti(this->tcti_context); + } + if (this->sys_context) + { + Tss2_Sys_Finalize(this->sys_context); + free(this->sys_context); + } +} + +METHOD(tpm_tss_t, get_version, tpm_version_t, + private_tpm_tss_tss2_t *this) +{ + return TPM_VERSION_2_0; +} + +METHOD(tpm_tss_t, get_version_info, chunk_t, + private_tpm_tss_tss2_t *this) +{ + return chunk_empty; +} + +/** + * read the public key portion of a TSS 2.0 AIK key from NVRAM + */ +bool read_public(private_tpm_tss_tss2_t *this, TPMI_DH_OBJECT handle, + TPM2B_PUBLIC *public) +{ + uint32_t rval; + + TPM2B_NAME name = { { sizeof(TPM2B_NAME)-2, } }; + TPM2B_NAME qualified_name = { { sizeof(TPM2B_NAME)-2, } }; + + TPMS_AUTH_RESPONSE session_data; + TSS2_SYS_RSP_AUTHS sessions_data; + TPMS_AUTH_RESPONSE *session_data_array[1]; + + session_data_array[0] = &session_data; + sessions_data.rspAuths = &session_data_array[0]; + sessions_data.rspAuthsCount = 1; + + /* always send simulator platform command, ignored by true RM */ + PlatformCommand(this->tcti_context ,MS_SIM_POWER_ON ); + PlatformCommand(this->tcti_context, MS_SIM_NV_ON ); + + /* read public key for a given object handle from TPM 2.0 NVRAM */ + rval = Tss2_Sys_ReadPublic(this->sys_context, handle, 0, public, &name, + &qualified_name, &sessions_data); + + PlatformCommand(this->tcti_context, MS_SIM_POWER_OFF); + + if (rval != TPM_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s could not read public key from handle 0x%08x: 0x%06x", + LABEL, handle, rval); + return FALSE; + } + return TRUE; +} + +METHOD(tpm_tss_t, generate_aik, bool, + private_tpm_tss_tss2_t *this, chunk_t ca_modulus, chunk_t *aik_blob, + chunk_t *aik_pubkey, chunk_t *identity_req) +{ + return FALSE; +} + +METHOD(tpm_tss_t, get_public, chunk_t, + private_tpm_tss_tss2_t *this, uint32_t handle) +{ + TPM2B_PUBLIC public = { { 0, } }; + TPM_ALG_ID sig_alg, digest_alg; + chunk_t aik_blob, aik_pubkey = chunk_empty; + + if (!read_public(this, handle, &public)) + { + return chunk_empty; + } + + aik_blob = chunk_create((u_char*)&public, sizeof(public)); + DBG3(DBG_LIB, "%s AIK public key blob: %B", LABEL, &aik_blob); + + /* convert TSS 2.0 AIK public key blot into PKCS#1 format */ + switch (public.t.publicArea.type) + { + case TPM_ALG_RSA: + { + TPM2B_PUBLIC_KEY_RSA *rsa; + TPMT_RSA_SCHEME *scheme; + chunk_t aik_exponent, aik_modulus; + + scheme = &public.t.publicArea.parameters.rsaDetail.scheme; + sig_alg = scheme->scheme; + digest_alg = scheme->details.anySig.hashAlg; + + rsa = &public.t.publicArea.unique.rsa; + aik_modulus = chunk_create(rsa->t.buffer, rsa->t.size); + aik_exponent = chunk_from_chars(0x01, 0x00, 0x01); + + /* subjectPublicKeyInfo encoding of AIK RSA key */ + if (!lib->encoding->encode(lib->encoding, PUBKEY_SPKI_ASN1_DER, + NULL, &aik_pubkey, CRED_PART_RSA_MODULUS, aik_modulus, + CRED_PART_RSA_PUB_EXP, aik_exponent, CRED_PART_END)) + { + DBG1(DBG_PTS, "%s subjectPublicKeyInfo encoding of AIK key " + "failed", LABEL); + } + break; + } + case TPM_ALG_ECC: + { + TPMS_ECC_POINT *ecc; + TPMT_ECC_SCHEME *scheme; + chunk_t ecc_point; + uint8_t *pos; + + scheme = &public.t.publicArea.parameters.eccDetail.scheme; + sig_alg = scheme->scheme; + digest_alg = scheme->details.anySig.hashAlg; + + ecc = &public.t.publicArea.unique.ecc; + + /* allocate space for bit string */ + pos = asn1_build_object(&ecc_point, ASN1_BIT_STRING, + 2 + ecc->x.t.size + ecc->y.t.size); + /* bit string length is a multiple of octets */ + *pos++ = 0x00; + /* uncompressed ECC point format */ + *pos++ = 0x04; + /* copy x coordinate of ECC point */ + memcpy(pos, ecc->x.t.buffer, ecc->x.t.size); + pos += ecc->x.t.size; + /* copy y coordinate of ECC point */ + memcpy(pos, ecc->y.t.buffer, ecc->y.t.size); + /* subjectPublicKeyInfo encoding of AIK ECC key */ + aik_pubkey = asn1_wrap(ASN1_SEQUENCE, "mm", + asn1_wrap(ASN1_SEQUENCE, "mm", + asn1_build_known_oid(OID_EC_PUBLICKEY), + asn1_build_known_oid(ecc->x.t.size == 32 ? + OID_PRIME256V1 : OID_SECT384R1)), + ecc_point); + break; + } + default: + DBG1(DBG_PTS, "%s unsupported AIK key type", LABEL); + return chunk_empty; + } + DBG1(DBG_PTS, "AIK signature algorithm is %N with %N hash", + tpm_alg_id_names, sig_alg, tpm_alg_id_names, digest_alg); + return aik_pubkey; +} + +/** + * Configure a PCR Selection assuming a maximum of 24 registers + */ +static bool init_pcr_selection(private_tpm_tss_tss2_t *this, uint32_t pcrs, + hash_algorithm_t alg, TPML_PCR_SELECTION *pcr_sel) +{ + TPM_ALG_ID alg_id; + uint32_t pcr; + + /* check if hash algorithm is supported by TPM */ + alg_id = hash_alg_to_tpm_alg_id(alg); + if (!is_supported_alg(this, alg_id)) + { + DBG1(DBG_PTS, "%s %N hash algorithm not supported by TPM", + LABEL, hash_algorithm_short_names, alg); + return FALSE; + } + + /* initialize the PCR Selection structure,*/ + pcr_sel->count = 1; + pcr_sel->pcrSelections[0].hash = alg_id; + pcr_sel->pcrSelections[0].sizeofSelect = 3; + pcr_sel->pcrSelections[0].pcrSelect[0] = 0; + pcr_sel->pcrSelections[0].pcrSelect[1] = 0; + pcr_sel->pcrSelections[0].pcrSelect[2] = 0; + + /* set the selected PCRs */ + for (pcr = 0; pcr < PLATFORM_PCR; pcr++) + { + if (pcrs & (1 << pcr)) + { + pcr_sel->pcrSelections[0].pcrSelect[pcr / 8] |= ( 1 << (pcr % 8) ); + } + } + return TRUE; +} + +METHOD(tpm_tss_t, read_pcr, bool, + private_tpm_tss_tss2_t *this, uint32_t pcr_num, chunk_t *pcr_value, + hash_algorithm_t alg) +{ + TPML_PCR_SELECTION pcr_selection; + TPML_DIGEST pcr_values; + + uint32_t pcr_update_counter, rval; + uint8_t *pcr_value_ptr; + size_t pcr_value_len; + + if (pcr_num >= PLATFORM_PCR) + { + DBG1(DBG_PTS, "%s maximum number of supported PCR is %d", + LABEL, PLATFORM_PCR); + return FALSE; + } + + if (!init_pcr_selection(this, (1 << pcr_num), alg, &pcr_selection)) + { + return FALSE; + } + + /* initialize the PCR Digest structure */ + memset(&pcr_values, 0, sizeof(TPML_DIGEST)); + + /* read the PCR value */ + rval = Tss2_Sys_PCR_Read(this->sys_context, 0, &pcr_selection, + &pcr_update_counter, &pcr_selection, &pcr_values, 0); + if (rval != TPM_RC_SUCCESS) + { + DBG1(DBG_PTS, "%s PCR bank could not be read: 0x%60x", + LABEL, rval); + return FALSE; + } + pcr_value_ptr = (uint8_t *)pcr_values.digests[0].t.buffer; + pcr_value_len = (size_t) pcr_values.digests[0].t.size; + + *pcr_value = chunk_clone(chunk_create(pcr_value_ptr, pcr_value_len)); + + return TRUE; +} + +METHOD(tpm_tss_t, extend_pcr, bool, + private_tpm_tss_tss2_t *this, uint32_t pcr_num, chunk_t *pcr_value, + chunk_t data, hash_algorithm_t alg) +{ + /* TODO */ + return FALSE; +} + +METHOD(tpm_tss_t, quote, bool, + private_tpm_tss_tss2_t *this, uint32_t aik_handle, uint32_t pcr_sel, + hash_algorithm_t alg, chunk_t data, tpm_quote_mode_t *quote_mode, + tpm_tss_quote_info_t **quote_info, chunk_t *quote_sig) +{ + chunk_t quoted_chunk, qualified_signer, extra_data, clock_info, + firmware_version, pcr_select, pcr_digest; + hash_algorithm_t pcr_digest_alg; + bio_reader_t *reader; + uint32_t rval; + + TPM2B_DATA qualifying_data; + TPML_PCR_SELECTION pcr_selection; + TPM2B_ATTEST quoted = { { sizeof(TPM2B_ATTEST)-2, } }; + TPMT_SIG_SCHEME scheme; + TPMT_SIGNATURE sig; + TPMI_ALG_HASH hash_alg; + TPMS_AUTH_COMMAND session_data_cmd; + TPMS_AUTH_RESPONSE session_data_rsp; + TSS2_SYS_CMD_AUTHS sessions_data_cmd; + TSS2_SYS_RSP_AUTHS sessions_data_rsp; + TPMS_AUTH_COMMAND *session_data_cmd_array[1]; + TPMS_AUTH_RESPONSE *session_data_rsp_array[1]; + + session_data_cmd_array[0] = &session_data_cmd; + session_data_rsp_array[0] = &session_data_rsp; + + sessions_data_cmd.cmdAuths = &session_data_cmd_array[0]; + sessions_data_rsp.rspAuths = &session_data_rsp_array[0]; + + sessions_data_cmd.cmdAuthsCount = 1; + sessions_data_rsp.rspAuthsCount = 1; + + session_data_cmd.sessionHandle = TPM_RS_PW; + session_data_cmd.hmac.t.size = 0; + session_data_cmd.nonce.t.size = 0; + + *( (uint8_t *)((void *)&session_data_cmd.sessionAttributes ) ) = 0; + + qualifying_data.t.size = data.len; + memcpy(qualifying_data.t.buffer, data.ptr, data.len); + + scheme.scheme = TPM_ALG_NULL; + memset(&sig, 0x00, sizeof(sig)); + + /* set Quote mode */ + *quote_mode = TPM_QUOTE_TPM2; + + if (!init_pcr_selection(this, pcr_sel, alg, &pcr_selection)) + { + return FALSE; + } + + rval = Tss2_Sys_Quote(this->sys_context, aik_handle, &sessions_data_cmd, + &qualifying_data, &scheme, &pcr_selection, "ed, + &sig, &sessions_data_rsp); + if (rval != TPM_RC_SUCCESS) + { + DBG1(DBG_PTS,"%s Tss2_Sys_Quote failed: 0x%06x", LABEL, rval); + return FALSE; + } + quoted_chunk = chunk_create(quoted.t.attestationData, quoted.t.size); + + reader = bio_reader_create(chunk_skip(quoted_chunk, 6)); + if (!reader->read_data16(reader, &qualified_signer) || + !reader->read_data16(reader, &extra_data) || + !reader->read_data (reader, 17, &clock_info) || + !reader->read_data (reader, 8, &firmware_version) || + !reader->read_data (reader, 10, &pcr_select) || + !reader->read_data16(reader, &pcr_digest)) + { + DBG1(DBG_PTS, "%s parsing of quoted struct failed", LABEL); + reader->destroy(reader); + return FALSE; + } + reader->destroy(reader); + + DBG2(DBG_PTS, "PCR Composite digest: %B", &pcr_digest); + DBG2(DBG_PTS, "TPM Quote Info: %B", "ed_chunk); + DBG2(DBG_PTS, "qualifiedSigner: %B", &qualified_signer); + DBG2(DBG_PTS, "extraData: %B", &extra_data); + DBG2(DBG_PTS, "clockInfo: %B", &clock_info); + DBG2(DBG_PTS, "firmwareVersion: %B", &firmware_version); + DBG2(DBG_PTS, "pcrSelect: %B", &pcr_select); + + /* extract signature */ + switch (sig.sigAlg) + { + case TPM_ALG_RSASSA: + case TPM_ALG_RSAPSS: + *quote_sig = chunk_clone( + chunk_create( + sig.signature.rsassa.sig.t.buffer, + sig.signature.rsassa.sig.t.size)); + hash_alg = sig.signature.rsassa.hash; + break; + case TPM_ALG_ECDSA: + case TPM_ALG_ECDAA: + case TPM_ALG_SM2: + case TPM_ALG_ECSCHNORR: + *quote_sig = chunk_cat("cc", + chunk_create( + sig.signature.ecdsa.signatureR.t.buffer, + sig.signature.ecdsa.signatureR.t.size), + chunk_create( + sig.signature.ecdsa.signatureS.t.buffer, + sig.signature.ecdsa.signatureS.t.size)); + hash_alg = sig.signature.ecdsa.hash; + break; + default: + DBG1(DBG_PTS, "%s unsupported %N signature algorithm", + LABEL, tpm_alg_id_names, sig.sigAlg); + return FALSE; + }; + + DBG2(DBG_PTS, "PCR digest algorithm is %N", tpm_alg_id_names, hash_alg); + pcr_digest_alg = hash_alg_from_tpm_alg_id(hash_alg); + + DBG2(DBG_PTS, "TPM Quote Signature: %B", quote_sig); + + /* Create and initialize Quote Info object */ + *quote_info = tpm_tss_quote_info_create(*quote_mode, pcr_digest_alg, + pcr_digest); + (*quote_info)->set_tpm2_info(*quote_info, qualified_signer, clock_info, + pcr_select); + (*quote_info)->set_version_info(*quote_info, firmware_version); + + return TRUE; +} + +METHOD(tpm_tss_t, destroy, void, + private_tpm_tss_tss2_t *this) +{ + finalize_context(this); + free(this); +} + +/** + * See header + */ +tpm_tss_t *tpm_tss_tss2_create() +{ + private_tpm_tss_tss2_t *this; + bool available; + + INIT(this, + .public = { + .get_version = _get_version, + .get_version_info = _get_version_info, + .generate_aik = _generate_aik, + .get_public = _get_public, + .read_pcr = _read_pcr, + .extend_pcr = _extend_pcr, + .quote = _quote, + .destroy = _destroy, + }, + ); + + available = initialize_context(this); + DBG1(DBG_PTS, "TPM 2.0 via TSS2 %savailable", available ? "" : "not "); + + if (!available) + { + destroy(this); + return NULL; + } + return &this->public; +} + +#else /* TSS_TSS2 */ + +tpm_tss_t *tpm_tss_tss2_create() +{ + return NULL; +} + +#endif /* TSS_TSS2 */ + + diff --git a/src/libtpmtss/tpm_tss_tss2.h b/src/libtpmtss/tpm_tss_tss2.h new file mode 100644 index 000000000..f3a11e5fd --- /dev/null +++ b/src/libtpmtss/tpm_tss_tss2.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +/** + * @defgroup tpm_tss_tss2 tpm_tss_tss2 + * @{ @ingroup libtpmtss + */ + +#ifndef TPM_TSS_TSS2_H_ +#define TPM_TSS_TSS2_H_ + +#include "tpm_tss.h" + +/** + * Create a tpm_tss_tss2 instance. + */ +tpm_tss_t *tpm_tss_tss2_create(); + +#endif /** TPM_TSS_TSS2_H_ @}*/ diff --git a/src/libtpmtss/tpm_tss_tss2_names.c b/src/libtpmtss/tpm_tss_tss2_names.c new file mode 100644 index 000000000..9185aa374 --- /dev/null +++ b/src/libtpmtss/tpm_tss_tss2_names.c @@ -0,0 +1,123 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +#include "tpm_tss_tss2_names.h" + +#ifdef TSS_TSS2 + +#include <tss2/tpm20.h> + +#ifndef TPM_ALG_ECMQV +#define TPM_ALG_ECMQV (TPM_ALG_ID)0x001D +#endif + +#ifndef TPM_ALG_CAMELLIA +#define TPM_ALG_CAMELLIA (TPM_ALG_ID)0x0026 +#endif + +/** + * TPM 2.0 algorithm ID names + */ +ENUM_BEGIN(tpm_alg_id_names, TPM_ALG_ERROR, TPM_ALG_RSA, + "ERROR", + "RSA" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SHA1, TPM_ALG_KEYEDHASH, TPM_ALG_RSA, + "SHA1", + "HMAC", + "AES", + "MGF1", + "KEYEDHASH" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_XOR, TPM_ALG_SHA512, TPM_ALG_KEYEDHASH, + "XOR", + "SHA256", + "SHA384", + "SHA512" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_NULL, TPM_ALG_NULL, TPM_ALG_SHA512, + "NULL" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SM3_256, TPM_ALG_ECMQV, TPM_ALG_NULL, + "SM3_256", + "SM4", + "RSASSA", + "RSAES", + "RSAPSS", + "OAEP", + "ECDSA", + "ECDH", + "SM2", + "ECSCHNORR", + "ECMQV" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_KDF1_SP800_56A, TPM_ALG_ECC, TPM_ALG_ECMQV, + "KDF1_SP800_56A", + "KDF2", + "KDF1_SP800_108", + "ECC" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SYMCIPHER, TPM_ALG_CAMELLIA, TPM_ALG_ECC, + "SYMCIPHER", + "CAMELLIA" +); +ENUM_NEXT(tpm_alg_id_names, TPM_ALG_CTR, TPM_ALG_ECB, TPM_ALG_CAMELLIA, + "CTR", + "OFB", + "CBC", + "CFB", + "ECB" +); +ENUM_END(tpm_alg_id_names, TPM_ALG_ECB); + +/** + * TPM 2.0 ECC curve names + */ +ENUM_BEGIN(tpm_ecc_curve_names, TPM_ECC_NONE, TPM_ECC_NIST_P521, + "NONE", + "NIST_P192", + "NIST_P224", + "NIST_P256", + "NIST_P384", + "NIST_P521" +); +ENUM_NEXT(tpm_ecc_curve_names, TPM_ECC_BN_P256, TPM_ECC_BN_P638, TPM_ECC_NIST_P521, + "BN_P256", + "BN_P638" +); +ENUM_NEXT(tpm_ecc_curve_names, TPM_ECC_SM2_P256, TPM_ECC_SM2_P256, TPM_ECC_BN_P638, + "SM2_P256" +); +ENUM_END(tpm_ecc_curve_names, TPM_ECC_SM2_P256); + +#else /* TSS_TSS2 */ + +/** + * TPM 2.0 algorithm ID names + */ +ENUM(tpm_alg_id_names, 0, 0, + "ERROR" +); + +/** + * TPM 2.0 ECC curve names + */ +ENUM(tpm_ecc_curve_names, 0, 0, + "NONE" +); + +#endif /* TSS_TSS2 */ + + diff --git a/src/libtpmtss/tpm_tss_tss2_names.h b/src/libtpmtss/tpm_tss_tss2_names.h new file mode 100644 index 000000000..c2a834493 --- /dev/null +++ b/src/libtpmtss/tpm_tss_tss2_names.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2016 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program 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. + */ + +/** + * @defgroup tpm_tss_tss2_names tpm_tss_tss2_names + * @{ @ingroup libtpmtss + */ + +#ifndef TPM_TSS_TSS2_NAMES_H_ +#define TPM_TSS_TSS2_NAMES_H_ + +#include <library.h> + +extern enum_name_t *tpm_alg_id_names; + +extern enum_name_t *tpm_ecc_curve_names; + +#endif /** TPM_TSS_TSS2_NAMES_H_ @}*/ |