libtpmtss: Get TPM 2.0 capabilities
This commit is contained in:
Andreas Steffen
@@ -8,7 +8,8 @@ ipseclib_LTLIBRARIES = libtpmtss.la
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libtpmtss_la_SOURCES = \
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tpm_tss.h tpm_tss.c \
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tpm_tss_trousers.h tpm_tss_trousers.c \
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tpm_tss_tss2.h tpm_tss_tss2.c
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tpm_tss_tss2.h tpm_tss_tss2.c \
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tpm_tss_tss2_names.h tpm_tss_tss2_names.c
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libtpmtss_la_LIBADD = \
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$(top_builddir)/src/libstrongswan/libstrongswan.la
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@@ -14,6 +14,7 @@
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*/
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#include "tpm_tss_tss2.h"
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#include "tpm_tss_tss2_names.h"
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#ifdef TSS_TSS2
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@@ -60,6 +61,74 @@ int TpmClientPrintf (uint8_t type, const char *format, ...)
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return 0;
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}
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/**
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* Get a list of supported algorithms
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*/
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static bool get_algs_capability(private_tpm_tss_tss2_t *this)
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{
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TPMS_CAPABILITY_DATA cap_data;
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TPMI_YES_NO more_data;
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uint32_t rval, i;
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size_t len = BUF_LEN;
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char buf[BUF_LEN];
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char *pos = buf;
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int written;
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/* get supported algorithms */
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rval = Tss2_Sys_GetCapability(this->sys_context, 0, TPM_CAP_ALGS,
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0, TPM_PT_ALGORITHM_SET, &more_data, &cap_data, 0);
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if (rval != TPM_RC_SUCCESS)
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{
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DBG1(DBG_PTS, "%s GetCapability failed for TPM_CAP_ALGS: 0x%06x",
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LABEL, rval);
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return FALSE;
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}
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/* print supported algorithms */
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for (i = 0; i < cap_data.data.algorithms.count; i++)
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{
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written = snprintf(pos, len, " %N", tpm_alg_id_names,
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cap_data.data.algorithms.algProperties[i].alg);
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if (written < 0 || written >= len)
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{
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break;
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}
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pos += written;
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len -= written;
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}
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DBG2(DBG_PTS, "%s algorithms:%s", LABEL, buf);
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/* get supported ECC curves */
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rval = Tss2_Sys_GetCapability(this->sys_context, 0, TPM_CAP_ECC_CURVES,
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0, TPM_PT_LOADED_CURVES, &more_data, &cap_data, 0);
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if (rval != TPM_RC_SUCCESS)
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{
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DBG1(DBG_PTS, "%s GetCapability failed for TPM_ECC_CURVES: 0x%06x",
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LABEL, rval);
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return FALSE;
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}
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/* reset print buffer */
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pos = buf;
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len = BUF_LEN;
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/* print supported ECC curves */
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for (i = 0; i < cap_data.data.eccCurves.count; i++)
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{
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written = snprintf(pos, len, " %N", tpm_ecc_curve_names,
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cap_data.data.eccCurves.eccCurves[i]);
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if (written < 0 || written >= len)
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{
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break;
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}
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pos += written;
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len -= written;
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}
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DBG2(DBG_PTS, "%s ECC curves:%s", LABEL, buf);
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return TRUE;
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}
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/**
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* Initialize TSS context
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*/
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@@ -116,7 +185,9 @@ static bool initialize_context(private_tpm_tss_tss2_t *this)
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LABEL, rval);
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return FALSE;
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}
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return TRUE;
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/* get a list of supported algorithms and ECC curves */
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return get_algs_capability(this);
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}
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/**
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@@ -0,0 +1,123 @@
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/*
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* Copyright (C) 2016 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "tpm_tss_tss2_names.h"
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#ifdef TSS_TSS2
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#include <tss2/tpm20.h>
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#ifndef TPM_ALG_ECMQV
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#define TPM_ALG_ECMQV (TPM_ALG_ID)0x001D
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#endif
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#ifndef TPM_ALG_CAMELLIA
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#define TPM_ALG_CAMELLIA (TPM_ALG_ID)0x0026
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#endif
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/**
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* TPM 2.0 algorithm ID names
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*/
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ENUM_BEGIN(tpm_alg_id_names, TPM_ALG_ERROR, TPM_ALG_RSA,
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"ERROR",
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"RSA"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SHA1, TPM_ALG_KEYEDHASH, TPM_ALG_RSA,
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"SHA1",
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"HMAC",
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"AES",
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"MGF1",
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"KEYEDHASH"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_XOR, TPM_ALG_SHA512, TPM_ALG_KEYEDHASH,
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"XOR",
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"SHA256",
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"SHA384",
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"SHA512"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_NULL, TPM_ALG_NULL, TPM_ALG_SHA512,
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"NULL"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SM3_256, TPM_ALG_ECMQV, TPM_ALG_NULL,
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"SM3_256",
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"SM4",
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"RSASSA",
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"RSAES",
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"RSAPSS",
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"OAEP",
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"ECDSA",
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"ECDH",
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"SM2",
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"ECSCHNORR",
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"ECMQV"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_KDF1_SP800_56A, TPM_ALG_ECC, TPM_ALG_ECMQV,
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"KDF1_SP800_56A",
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"KDF2",
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"KDF1_SP800_108",
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"ECC"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_SYMCIPHER, TPM_ALG_CAMELLIA, TPM_ALG_ECC,
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"SYMCIPHER",
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"CAMELLIA"
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);
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ENUM_NEXT(tpm_alg_id_names, TPM_ALG_CTR, TPM_ALG_ECB, TPM_ALG_CAMELLIA,
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"CTR",
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"OFB",
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"CBC",
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"CFB",
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"ECB"
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);
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ENUM_END(tpm_alg_id_names, TPM_ALG_ECB);
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/**
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* TPM 2.0 ECC curve names
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*/
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ENUM_BEGIN(tpm_ecc_curve_names, TPM_ECC_NONE, TPM_ECC_NIST_P521,
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"NONE",
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"NIST_P192",
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"NIST_P224",
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"NIST_P256",
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"NIST_P384",
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"NIST_P521"
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);
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ENUM_NEXT(tpm_ecc_curve_names, TPM_ECC_BN_P256, TPM_ECC_BN_P638, TPM_ECC_NIST_P521,
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"BN_P256",
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"BN_P638"
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);
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ENUM_NEXT(tpm_ecc_curve_names, TPM_ECC_SM2_P256, TPM_ECC_SM2_P256, TPM_ECC_BN_P638,
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"SM2_P256"
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);
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ENUM_END(tpm_ecc_curve_names, TPM_ECC_SM2_P256);
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#else /* TSS_TSS2 */
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/**
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* TPM 2.0 algorithm ID names
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*/
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ENUM(tpm_alg_id_names, 0, 0,
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"ERROR"
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);
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/**
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* TPM 2.0 ECC curve names
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*/
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ENUM(tpm_ecc_curve_names, 0, 0,
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"NONE"
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);
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#endif /* TSS_TSS2 */
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@@ -0,0 +1,30 @@
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/*
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* Copyright (C) 2016 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup tpm_tss_tss_names tpm_tss_tss_names
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* @{ @ingroup libtpmtss
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*/
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#ifndef TPM_TSS_TSS2_NAMES_H_
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#define TPM_TSS_TSS2_NAMES_H_
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#include <library.h>
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extern enum_name_t *tpm_alg_id_names;
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extern enum_name_t *tpm_ecc_curve_names;
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#endif /** TPM_TSS_TSS2_NAMES_H_ @}*/
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