Date:   Thu, 24 Sep 2020 10:58:33 -0400
From:   Ross Philipson <ross.philipson@...cle.com>
To:     linux-kernel@...r.kernel.org, x86@...nel.org,
        iommu@...ts.linux-foundation.org, linux-integrity@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     ross.philipson@...cle.com, dpsmith@...rtussolutions.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        luto@...capital.net, trenchboot-devel@...glegroups.com
Subject: [PATCH 05/13] x86: Add early TPM1.2/TPM2.0 interface support for Secure Launch

From: "Daniel P. Smith" <dpsmith@...rtussolutions.com>

This commit introduces an abstraction for TPM1.2 and TPM2.0 devices
above the TPM hardware interface.

Signed-off-by: Daniel P. Smith <dpsmith@...rtussolutions.com>
Signed-off-by: Ross Philipson <ross.philipson@...cle.com>
---
 arch/x86/boot/compressed/Makefile             |   3 +-
 arch/x86/boot/compressed/tpm/tpm1.h           | 112 ++++++++++++++++++++
 arch/x86/boot/compressed/tpm/tpm1_cmds.c      |  99 ++++++++++++++++++
 arch/x86/boot/compressed/tpm/tpm2.h           |  89 ++++++++++++++++
 arch/x86/boot/compressed/tpm/tpm2_auth.c      |  44 ++++++++
 arch/x86/boot/compressed/tpm/tpm2_auth.h      |  21 ++++
 arch/x86/boot/compressed/tpm/tpm2_cmds.c      | 145 ++++++++++++++++++++++++++
 arch/x86/boot/compressed/tpm/tpm2_constants.h |  66 ++++++++++++
 8 files changed, 578 insertions(+), 1 deletion(-)
 create mode 100644 arch/x86/boot/compressed/tpm/tpm1.h
 create mode 100644 arch/x86/boot/compressed/tpm/tpm1_cmds.c
 create mode 100644 arch/x86/boot/compressed/tpm/tpm2.h
 create mode 100644 arch/x86/boot/compressed/tpm/tpm2_auth.c
 create mode 100644 arch/x86/boot/compressed/tpm/tpm2_auth.h
 create mode 100644 arch/x86/boot/compressed/tpm/tpm2_cmds.c
 create mode 100644 arch/x86/boot/compressed/tpm/tpm2_constants.h

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 5515afa..a4308d5 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -100,7 +100,8 @@ vmlinux-objs-$(CONFIG_SECURE_LAUNCH) += $(obj)/early_sha1.o
 vmlinux-objs-$(CONFIG_SECURE_LAUNCH_SHA256) += $(obj)/early_sha256.o
 vmlinux-objs-$(CONFIG_SECURE_LAUNCH_SHA512) += $(obj)/early_sha512.o
 vmlinux-objs-$(CONFIG_SECURE_LAUNCH) += $(obj)/tpm/tpmio.o $(obj)/tpm/tpm_buff.o \
-	$(obj)/tpm/tis.o $(obj)/tpm/crb.o
+	$(obj)/tpm/tis.o $(obj)/tpm/crb.o $(obj)/tpm/tpm1_cmds.o \
+	$(obj)/tpm/tpm2_cmds.o $(obj)/tpm/tpm2_auth.o
 
 # The compressed kernel is built with -fPIC/-fPIE so that a boot loader
 # can place it anywhere in memory and it will still run. However, since
diff --git a/arch/x86/boot/compressed/tpm/tpm1.h b/arch/x86/boot/compressed/tpm/tpm1.h
new file mode 100644
index 0000000..498fa45
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm1.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ * The definitions in this header are extracted from the Trusted Computing
+ * Group's "TPM Main Specification", Parts 1-3.
+ *
+ */
+
+#ifndef _TPM1_H
+#define _TPM1_H
+
+#include "tpm.h"
+
+/* Section 2.2.3 */
+#define TPM_AUTH_DATA_USAGE u8
+#define TPM_PAYLOAD_TYPE u8
+#define TPM_VERSION_BYTE u8
+#define TPM_TAG u16
+#define TPM_PROTOCOL_ID u16
+#define TPM_STARTUP_TYPE u16
+#define TPM_ENC_SCHEME u16
+#define TPM_SIG_SCHEME u16
+#define TPM_MIGRATE_SCHEME u16
+#define TPM_PHYSICAL_PRESENCE u16
+#define TPM_ENTITY_TYPE u16
+#define TPM_KEY_USAGE u16
+#define TPM_EK_TYPE u16
+#define TPM_STRUCTURE_TAG u16
+#define TPM_PLATFORM_SPECIFIC u16
+#define TPM_COMMAND_CODE u32
+#define TPM_CAPABILITY_AREA u32
+#define TPM_KEY_FLAGS u32
+#define TPM_ALGORITHM_ID u32
+#define TPM_MODIFIER_INDICATOR u32
+#define TPM_ACTUAL_COUNT u32
+#define TPM_TRANSPORT_ATTRIBUTES u32
+#define TPM_AUTHHANDLE u32
+#define TPM_DIRINDEX u32
+#define TPM_KEY_HANDLE u32
+#define TPM_PCRINDEX u32
+#define TPM_RESULT u32
+#define TPM_RESOURCE_TYPE u32
+#define TPM_KEY_CONTROL u32
+#define TPM_NV_INDEX u32 The
+#define TPM_FAMILY_ID u32
+#define TPM_FAMILY_VERIFICATION u32
+#define TPM_STARTUP_EFFECTS u32
+#define TPM_SYM_MODE u32
+#define TPM_FAMILY_FLAGS u32
+#define TPM_DELEGATE_INDEX u32
+#define TPM_CMK_DELEGATE u32
+#define TPM_COUNT_ID u32
+#define TPM_REDIT_COMMAND u32
+#define TPM_TRANSHANDLE u32
+#define TPM_HANDLE u32
+#define TPM_FAMILY_OPERATION u32
+
+/* Section 6 */
+#define TPM_TAG_RQU_COMMAND		0x00C1
+#define TPM_TAG_RQU_AUTH1_COMMAND	0x00C2
+#define TPM_TAG_RQU_AUTH2_COMMAND	0x00C3
+#define TPM_TAG_RSP_COMMAND		0x00C4
+#define TPM_TAG_RSP_AUTH1_COMMAND	0x00C5
+#define TPM_TAG_RSP_AUTH2_COMMAND	0x00C6
+
+/* Section 16 */
+#define TPM_SUCCESS 0x0
+
+/* Section 17 */
+#define TPM_ORD_EXTEND			0x00000014
+
+#define SHA1_DIGEST_SIZE 20
+
+/* Section 5.4 */
+struct tpm_sha1_digest {
+	u8 digest[SHA1_DIGEST_SIZE];
+};
+struct tpm_digest {
+	TPM_PCRINDEX pcr;
+	union {
+		struct tpm_sha1_digest sha1;
+	} digest;
+};
+
+#define TPM_DIGEST		struct tpm_sha1_digest
+#define TPM_CHOSENID_HASH	TPM_DIGEST
+#define TPM_COMPOSITE_HASH	TPM_DIGEST
+#define TPM_DIRVALUE		TPM_DIGEST
+#define TPM_HMAC		TPM_DIGEST
+#define TPM_PCRVALUE		TPM_DIGEST
+#define TPM_AUDITDIGEST		TPM_DIGEST
+#define TPM_DAA_TPM_SEED	TPM_DIGEST
+#define TPM_DAA_CONTEXT_SEED	TPM_DIGEST
+
+struct tpm_extend_cmd {
+	TPM_PCRINDEX pcr_num;
+	TPM_DIGEST digest;
+};
+
+struct tpm_extend_resp {
+	TPM_COMMAND_CODE ordinal;
+	TPM_PCRVALUE digest;
+};
+
+/* TPM Commands */
+int tpm1_pcr_extend(struct tpm *t, struct tpm_digest *d);
+
+#endif
diff --git a/arch/x86/boot/compressed/tpm/tpm1_cmds.c b/arch/x86/boot/compressed/tpm/tpm1_cmds.c
new file mode 100644
index 0000000..2d8c9e5
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm1_cmds.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ * The code in this file is based on the article "Writing a TPM Device Driver"
+ * published on http://ptgmedia.pearsoncmg.com.
+ *
+ */
+
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/byteorder.h>
+#include "tpm.h"
+#include "tpmbuff.h"
+#include "tis.h"
+#include "tpm_common.h"
+#include "tpm1.h"
+
+int tpm1_pcr_extend(struct tpm *t, struct tpm_digest *d)
+{
+	int ret = 0;
+	struct tpmbuff *b = t->buff;
+	struct tpm_header *hdr;
+	struct tpm_extend_cmd *cmd;
+	size_t size;
+
+	if (b == NULL) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/* ensure buffer is free for use */
+	tpmb_free(b);
+
+	hdr = (struct tpm_header *)tpmb_reserve(b);
+	if (!hdr) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+
+	hdr->tag = cpu_to_be16(TPM_TAG_RQU_COMMAND);
+	hdr->code = cpu_to_be32(TPM_ORD_EXTEND);
+
+	cmd = (struct tpm_extend_cmd *)
+		tpmb_put(b, sizeof(struct tpm_extend_cmd));
+	if (cmd == NULL) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	cmd->pcr_num = cpu_to_be32(d->pcr);
+	memcpy(&(cmd->digest), &(d->digest), sizeof(TPM_DIGEST));
+
+	hdr->size = cpu_to_be32(tpmb_size(b));
+
+	if (be32_to_cpu(hdr->size) != t->ops.send(b)) {
+		ret = -EAGAIN;
+		goto free;
+	}
+
+	/* Reset buffer for receive */
+	tpmb_trim(b, tpmb_size(b));
+
+	hdr = (struct tpm_header *)b->head;
+	tpmb_put(b, sizeof(struct tpm_header));
+
+	/*
+	 * The extend receive operation returns a struct tpm_extend_resp
+	 * but the current implementation ignores the returned PCR value.
+	 */
+
+	/* recv() will increase the buffer size */
+	size = t->ops.recv(t->family, b);
+	if (tpmb_size(b) != size) {
+		ret = -EAGAIN;
+		goto free;
+	}
+
+	/*
+	 * On return, the code field is used for the return code out. Though
+	 * the commands specifications section 16.1 implies there is an
+	 * ordinal field, the return size and values point to this being
+	 * incorrect.
+	 *
+	 * Also tis_recv() converts the header back to CPU endianness.
+	 */
+	if (hdr->code != TPM_SUCCESS)
+		ret = -EAGAIN;
+
+free:
+	tpmb_free(b);
+out:
+	return ret;
+}
diff --git a/arch/x86/boot/compressed/tpm/tpm2.h b/arch/x86/boot/compressed/tpm/tpm2.h
new file mode 100644
index 0000000..4bc64f5
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm2.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ * The definitions in this header are extracted and/or dervied from the
+ * Trusted Computing Group's TPM 2.0 Library Specification Parts 1&2.
+ *
+ */
+
+#ifndef _TPM2_H
+#define _TPM2_H
+
+#include "tpm_common.h"
+#include "tpm2_constants.h"
+
+
+/* Table 192  Definition of TPM2B_TEMPLATE Structure:
+ *   Using this as the base structure similar to the spec
+ */
+struct tpm2b {
+	u16 size;
+	u8 buffer[0];
+};
+
+// Table 32  Definition of TPMA_SESSION Bits <  IN/OUT>
+struct tpma_session {
+	u8 continue_session  : 1;
+	u8 audit_exclusive   : 1;
+	u8 audit_reset       : 1;
+	u8 reserved3_4       : 2;
+	u8 decrypt           : 1;
+	u8 encrypt           : 1;
+	u8 audit             : 1;
+};
+
+
+// Table 72  Definition of TPMT_HA Structure <  IN/OUT>
+struct tpmt_ha {
+	u16 alg;	/* TPMI_ALG_HASH	*/
+	u8 digest[0];	/* TPMU_HA		*/
+};
+
+// Table 100  Definition of TPML_DIGEST_VALUES Structure
+struct tpml_digest_values {
+	u32 count;
+	struct tpmt_ha digests[0];
+};
+
+
+// Table 124  Definition of TPMS_AUTH_COMMAND Structure <  IN>
+struct tpms_auth_cmd {
+	u32 *handle;
+	struct tpm2b *nonce;
+	struct tpma_session *attributes;
+	struct tpm2b *hmac;
+};
+
+// Table 125  Definition of TPMS_AUTH_RESPONSE Structure <  OUT>
+struct tpms_auth_resp {
+	struct tpm2b *nonce;
+	struct tpma_session *attributes;
+	struct tpm2b *hmac;
+};
+
+struct tpm2_cmd {
+	struct tpm_header *header;
+	u32 *handles;			/* TPM Handles array	*/
+	u32 *auth_size;			/* Size of Auth Area	*/
+	u8 *auth;			/* Authorization Area	*/
+	u8 *params;			/* Parameters		*/
+	u8 *raw;			/* internal raw buffer	*/
+};
+
+struct tpm2_resp {
+	struct tpm_header *header;
+	u32 *handles;		/* TPM Handles array	*/
+	u32 *param_size;	/* Size of Parameters	*/
+	struct tpm2b *params;	/* Parameters		*/
+	u8 *auth;		/* Authorization Area	*/
+	u8 *raw;		/* internal raw buffer	*/
+};
+
+int tpm2_extend_pcr(struct tpm *t, u32 pcr,
+		struct tpml_digest_values *digests);
+
+#endif
diff --git a/arch/x86/boot/compressed/tpm/tpm2_auth.c b/arch/x86/boot/compressed/tpm/tpm2_auth.c
new file mode 100644
index 0000000..016ecc1
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm2_auth.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/const.h>
+#include <linux/string.h>
+#include <asm/byteorder.h>
+#include "tpm.h"
+#include "tpmbuff.h"
+#include "tpm2.h"
+#include "tpm2_constants.h"
+
+#define NULL_AUTH_SIZE 9
+
+u32 tpm2_null_auth_size(void)
+{
+	return NULL_AUTH_SIZE;
+}
+
+u8 *tpm2_null_auth(struct tpmbuff *b)
+{
+	u32 *handle;
+	u8 *auth = (u8 *)tpmb_put(b, NULL_AUTH_SIZE);
+
+	if (!auth)
+		return NULL;
+
+	memset(auth, 0, NULL_AUTH_SIZE);
+
+	/*
+	 * The handle, the first element, is the
+	 * only non-zero value in a NULL auth
+	 */
+	handle = (u32 *)auth;
+	*handle = cpu_to_be32(TPM_RS_PW);
+
+	return auth;
+}
diff --git a/arch/x86/boot/compressed/tpm/tpm2_auth.h b/arch/x86/boot/compressed/tpm/tpm2_auth.h
new file mode 100644
index 0000000..1d4421c
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm2_auth.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ * The definitions in this header are extracted and/or dervied from the
+ * Trusted Computing Group's TPM 2.0 Library Specification Parts 1&2.
+ *
+ */
+
+#ifndef _TPM2_AUTH_H
+#define _TPM2_AUTH_H
+
+#include "tpm2.h"
+
+u32 tpm2_null_auth_size(void);
+u8 *tpm2_null_auth(struct tpmbuff *b);
+
+#endif
diff --git a/arch/x86/boot/compressed/tpm/tpm2_cmds.c b/arch/x86/boot/compressed/tpm/tpm2_cmds.c
new file mode 100644
index 0000000..8e79f9e
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm2_cmds.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/const.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <asm/byteorder.h>
+#include "tpm.h"
+#include "tpmbuff.h"
+#include "tpm_common.h"
+#include "tpm2.h"
+#include "tpm2_auth.h"
+#include "tis.h"
+#include "crb.h"
+
+static int tpm2_alloc_cmd(struct tpmbuff *b, struct tpm2_cmd *c, u16 tag,
+		u32 code)
+{
+	/* ensure buffer is free for use */
+	tpmb_free(b);
+
+	c->header = (struct tpm_header *)tpmb_reserve(b);
+	if (!c->header)
+		return -ENOMEM;
+
+	c->header->tag = cpu_to_be16(tag);
+	c->header->code = cpu_to_be32(code);
+
+	return 0;
+}
+
+static u16 convert_digest_list(struct tpml_digest_values *digests)
+{
+	int i;
+	u16 size = sizeof(digests->count);
+	struct tpmt_ha *h = digests->digests;
+
+	for (i = 0; i < digests->count; i++) {
+		switch (h->alg) {
+		case TPM_ALG_SHA1:
+			h->alg = cpu_to_be16(h->alg);
+			h = (struct tpmt_ha *)((u8 *)h + SHA1_SIZE);
+			size += sizeof(u16) + SHA1_SIZE;
+			break;
+		case TPM_ALG_SHA256:
+			h->alg = cpu_to_be16(h->alg);
+			h = (struct tpmt_ha *)((u8 *)h + SHA256_SIZE);
+			size += sizeof(u16) + SHA256_SIZE;
+			break;
+		case TPM_ALG_SHA384:
+			h->alg = cpu_to_be16(h->alg);
+			h = (struct tpmt_ha *)((u8 *)h + SHA384_SIZE);
+			size += sizeof(u16) + SHA384_SIZE;
+			break;
+		case TPM_ALG_SHA512:
+			h->alg = cpu_to_be16(h->alg);
+			h = (struct tpmt_ha *)((u8 *)h + SHA512_SIZE);
+			size += sizeof(u16) + SHA512_SIZE;
+			break;
+		case TPM_ALG_SM3_256:
+			h->alg = cpu_to_be16(h->alg);
+			h = (struct tpmt_ha *)((u8 *)h + SM3256_SIZE);
+			size += sizeof(u16) + SHA1_SIZE;
+			break;
+		default:
+			return 0;
+		}
+	}
+
+	digests->count = cpu_to_be32(digests->count);
+
+	return size;
+}
+
+int tpm2_extend_pcr(struct tpm *t, u32 pcr,
+		struct tpml_digest_values *digests)
+{
+	struct tpmbuff *b = t->buff;
+	struct tpm2_cmd cmd;
+	u16 size;
+	int ret = 0;
+
+	if (b == NULL) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = tpm2_alloc_cmd(b, &cmd, TPM_ST_SESSIONS, TPM_CC_PCR_EXTEND);
+	if (ret < 0)
+		goto out;
+
+	cmd.handles = (u32 *)tpmb_put(b, sizeof(u32));
+	if (cmd.handles == NULL) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	cmd.handles[0] = cpu_to_be32(pcr);
+
+	cmd.auth_size = (u32 *)tpmb_put(b, sizeof(u32));
+	if (cmd.auth_size == NULL) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	cmd.auth = tpm2_null_auth(b);
+	if (cmd.auth == NULL) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	*cmd.auth_size = cpu_to_be32(tpm2_null_auth_size());
+
+	size = convert_digest_list(digests);
+	if (size == 0) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	cmd.params = (u8 *)tpmb_put(b, size);
+	if (cmd.params == NULL) {
+		ret = -ENOMEM;
+		goto free;
+	}
+
+	memcpy(cmd.params, digests, size);
+
+	cmd.header->size = cpu_to_be32(tpmb_size(b));
+
+	size = t->ops.send(b);
+	if (tpmb_size(b) != size)
+		ret = -EAGAIN;
+
+free:
+	tpmb_free(b);
+out:
+	return ret;
+}
diff --git a/arch/x86/boot/compressed/tpm/tpm2_constants.h b/arch/x86/boot/compressed/tpm/tpm2_constants.h
new file mode 100644
index 0000000..bf31843
--- /dev/null
+++ b/arch/x86/boot/compressed/tpm/tpm2_constants.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2020 Apertus Solutions, LLC
+ *
+ * Author(s):
+ *      Daniel P. Smith <dpsmith@...rtussolutions.com>
+ *
+ * The definitions in this header are extracted and/or dervied from the
+ * Trusted Computing Group's TPM 2.0 Library Specification Parts 1&2.
+ *
+ */
+
+#ifndef _TPM2_CONSTANTS_H
+#define _TPM2_CONSTANTS_H
+
+/* Table 9  Definition of (UINT16) TPM_ALG_ID Constants <IN/OUT, S> */
+#define TPM_ALG_ERROR                _AT(u16, 0x0000)
+#define TPM_ALG_RSA                  _AT(u16, 0x0001)
+#define TPM_ALG_SHA                  _AT(u16, 0x0004)
+#define TPM_ALG_SHA1                 _AT(u16, 0x0004)
+#define TPM_ALG_HMAC                 _AT(u16, 0x0005)
+#define TPM_ALG_AES                  _AT(u16, 0x0006)
+#define TPM_ALG_MGF1                 _AT(u16, 0x0007)
+#define TPM_ALG_KEYEDHASH            _AT(u16, 0x0008)
+#define TPM_ALG_XOR                  _AT(u16, 0x000A)
+#define TPM_ALG_SHA256               _AT(u16, 0x000B)
+#define TPM_ALG_SHA384               _AT(u16, 0x000C)
+#define TPM_ALG_SHA512               _AT(u16, 0x000D)
+#define TPM_ALG_NULL                 _AT(u16, 0x0010)
+#define TPM_ALG_SM3_256              _AT(u16, 0x0012)
+#define TPM_ALG_SM4                  _AT(u16, 0x0013)
+#define TPM_ALG_RSASSA               _AT(u16, 0x0014)
+#define TPM_ALG_RSAES                _AT(u16, 0x0015)
+#define TPM_ALG_RSAPSS               _AT(u16, 0x0016)
+#define TPM_ALG_OAEP                 _AT(u16, 0x0017)
+#define TPM_ALG_ECDSA                _AT(u16, 0x0018)
+#define TPM_ALG_ECDH                 _AT(u16, 0x0019)
+#define TPM_ALG_ECDAA                _AT(u16, 0x001A)
+#define TPM_ALG_SM2                  _AT(u16, 0x001B)
+#define TPM_ALG_ECSCHNORR            _AT(u16, 0x001C)
+#define TPM_ALG_ECMQV                _AT(u16, 0x001D)
+#define TPM_ALG_KDF1_SP800_56A       _AT(u16, 0x0020)
+#define TPM_ALG_KDF2                 _AT(u16, 0x0021)
+#define TPM_ALG_KDF1_SP800_108       _AT(u16, 0x0022)
+#define TPM_ALG_ECC                  _AT(u16, 0x0023)
+#define TPM_ALG_SYMCIPHER            _AT(u16, 0x0025)
+#define TPM_ALG_CAMELLIA             _AT(u16, 0x0026)
+#define TPM_ALG_CTR                  _AT(u16, 0x0040)
+#define TPM_ALG_OFB                  _AT(u16, 0x0041)
+#define TPM_ALG_CBC                  _AT(u16, 0x0042)
+#define TPM_ALG_CFB                  _AT(u16, 0x0043)
+#define TPM_ALG_ECB                  _AT(u16, 0x0044)
+#define TPM_ALG_FIRST                _AT(u16, 0x0001)
+#define TPM_ALG_LAST                 _AT(u16, 0x0044)
+
+/* Table 12  Definition of (UINT32) TPM_CC Constants (Numeric Order) <IN/OUT, S> */
+#define TPM_CC_PCR_EXTEND            _AT(u32, 0x00000182)
+
+/* Table 19  Definition of (UINT16) TPM_ST Constants <IN/OUT, S> */
+#define TPM_ST_NO_SESSIONS           _AT(u16, 0x8001)
+#define TPM_ST_SESSIONS              _AT(u16, 0x8002)
+
+/* Table 28  Definition of (TPM_HANDLE) TPM_RH Constants <S> */
+#define TPM_RS_PW                    _AT(u32, 0x40000009)
+
+#endif
-- 
1.8.3.1

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