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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/crypto/public_key.h
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@@ -1,18 +1,18 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /* Asymmetric public-key algorithm definitions
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  *
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- * See Documentation/crypto/asymmetric-keys.txt
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+ * See Documentation/crypto/asymmetric-keys.rst
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  *
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  * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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  * Written by David Howells (dhowells@redhat.com)
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public Licence
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- * as published by the Free Software Foundation; either version
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- * 2 of the Licence, or (at your option) any later version.
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  */
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 #ifndef _LINUX_PUBLIC_KEY_H
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 #define _LINUX_PUBLIC_KEY_H
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+
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+#include <linux/keyctl.h>
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+#include <linux/oid_registry.h>
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+#include <crypto/akcipher.h>
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 /*
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  * Cryptographic data for the public-key subtype of the asymmetric key type.
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@@ -23,6 +23,10 @@
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 struct public_key {
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 	void *key;
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 	u32 keylen;
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+	enum OID algo;
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+	void *params;
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+	u32 paramlen;
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+	bool key_is_private;
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 	const char *id_type;
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 	const char *pkey_algo;
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 };
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@@ -35,11 +39,14 @@
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 struct public_key_signature {
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 	struct asymmetric_key_id *auth_ids[2];
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 	u8 *s;			/* Signature */
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-	u8 *digest;
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 	u32 s_size;		/* Number of bytes in signature */
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-	u32 digest_size;	/* Number of bytes in digest */
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+	u8 *digest;
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+	u8 digest_size;		/* Number of bytes in digest */
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 	const char *pkey_algo;
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 	const char *hash_algo;
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+	const char *encoding;
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+	const void *data;
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+	unsigned int data_size;
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 };
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 extern void public_key_signature_free(struct public_key_signature *sig);
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@@ -65,8 +72,14 @@
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 						 const union key_payload *payload,
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 						 struct key *trusted);
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-extern int verify_signature(const struct key *key,
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-			    const struct public_key_signature *sig);
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+extern int query_asymmetric_key(const struct kernel_pkey_params *,
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+				struct kernel_pkey_query *);
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+
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+extern int encrypt_blob(struct kernel_pkey_params *, const void *, void *);
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+extern int decrypt_blob(struct kernel_pkey_params *, const void *, void *);
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+extern int create_signature(struct kernel_pkey_params *, const void *, void *);
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+extern int verify_signature(const struct key *,
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+			    const struct public_key_signature *);
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 int public_key_verify_signature(const struct public_key *pkey,
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 				const struct public_key_signature *sig);