Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/include/keys/trusted-type.h b/include/keys/trusted-type.h
new file mode 100644
index 000000000..4eb64548a
--- /dev/null
+++ b/include/keys/trusted-type.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2010 IBM Corporation
+ * Author: David Safford <safford@us.ibm.com>
+ */
+
+#ifndef _KEYS_TRUSTED_TYPE_H
+#define _KEYS_TRUSTED_TYPE_H
+
+#include <linux/key.h>
+#include <linux/rcupdate.h>
+#include <linux/tpm.h>
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) "trusted_key: " fmt
+
+#define MIN_KEY_SIZE			32
+#define MAX_KEY_SIZE			128
+#define MAX_BLOB_SIZE			512
+#define MAX_PCRINFO_SIZE		64
+#define MAX_DIGEST_SIZE			64
+
+struct trusted_key_payload {
+	struct rcu_head rcu;
+	unsigned int key_len;
+	unsigned int blob_len;
+	unsigned char migratable;
+	unsigned char old_format;
+	unsigned char key[MAX_KEY_SIZE + 1];
+	unsigned char blob[MAX_BLOB_SIZE];
+};
+
+struct trusted_key_options {
+	uint16_t keytype;
+	uint32_t keyhandle;
+	unsigned char keyauth[TPM_DIGEST_SIZE];
+	uint32_t blobauth_len;
+	unsigned char blobauth[TPM_DIGEST_SIZE];
+	uint32_t pcrinfo_len;
+	unsigned char pcrinfo[MAX_PCRINFO_SIZE];
+	int pcrlock;
+	uint32_t hash;
+	uint32_t policydigest_len;
+	unsigned char policydigest[MAX_DIGEST_SIZE];
+	uint32_t policyhandle;
+};
+
+struct trusted_key_ops {
+	/*
+	 * flag to indicate if trusted key implementation supports migration
+	 * or not.
+	 */
+	unsigned char migratable;
+
+	/* Initialize key interface. */
+	int (*init)(void);
+
+	/* Seal a key. */
+	int (*seal)(struct trusted_key_payload *p, char *datablob);
+
+	/* Unseal a key. */
+	int (*unseal)(struct trusted_key_payload *p, char *datablob);
+
+	/* Optional: Get a randomized key. */
+	int (*get_random)(unsigned char *key, size_t key_len);
+
+	/* Exit key interface. */
+	void (*exit)(void);
+};
+
+struct trusted_key_source {
+	char *name;
+	struct trusted_key_ops *ops;
+};
+
+extern struct key_type key_type_trusted;
+
+#define TRUSTED_DEBUG 0
+
+#if TRUSTED_DEBUG
+static inline void dump_payload(struct trusted_key_payload *p)
+{
+	pr_info("key_len %d\n", p->key_len);
+	print_hex_dump(KERN_INFO, "key ", DUMP_PREFIX_NONE,
+		       16, 1, p->key, p->key_len, 0);
+	pr_info("bloblen %d\n", p->blob_len);
+	print_hex_dump(KERN_INFO, "blob ", DUMP_PREFIX_NONE,
+		       16, 1, p->blob, p->blob_len, 0);
+	pr_info("migratable %d\n", p->migratable);
+}
+#else
+static inline void dump_payload(struct trusted_key_payload *p)
+{
+}
+#endif
+
+#endif /* _KEYS_TRUSTED_TYPE_H */