Created libtpmtss library handling access to v1.2 and v2.0 TPMs

src/libtpmtss/tpm_tss.h

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+/*
+ * 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 tpm_tss
+ * @{ @ingroup libtpmtss
+ */
+
+#ifndef TPM_TSS_H_
+#define TPM_TSS_H_
+
+#include <library.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);
+
+	/**
+	 * 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);
+
+	/**
+	 * 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);
+
+#endif /** TPM_TSS_H_ @}*/