61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * Copyright (C) 2011 Nokia Corporation
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|  * Copyright (C) 2011 Intel Corporation
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|  *
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|  * Author:
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|  * Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
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|  *                 <dmitry.kasatkin@intel.com>
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|  */
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| 
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| #ifndef _DIGSIG_H
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| #define _DIGSIG_H
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| 
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| #include <linux/key.h>
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| 
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| enum pubkey_algo {
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| 	PUBKEY_ALGO_RSA,
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| 	PUBKEY_ALGO_MAX,
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| };
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| 
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| enum digest_algo {
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| 	DIGEST_ALGO_SHA1,
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| 	DIGEST_ALGO_SHA256,
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| 	DIGEST_ALGO_MAX
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| };
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| 
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| struct pubkey_hdr {
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| 	uint8_t		version;	/* key format version */
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| 	uint32_t	timestamp;	/* key made, always 0 for now */
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| 	uint8_t		algo;
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| 	uint8_t		nmpi;
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| 	char		mpi[];
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| } __packed;
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| 
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| struct signature_hdr {
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| 	uint8_t		version;	/* signature format version */
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| 	uint32_t	timestamp;	/* signature made */
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| 	uint8_t		algo;
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| 	uint8_t		hash;
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| 	uint8_t		keyid[8];
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| 	uint8_t		nmpi;
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| 	char		mpi[];
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| } __packed;
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| 
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| #if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE)
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| 
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| int digsig_verify(struct key *keyring, const char *sig, int siglen,
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| 					const char *digest, int digestlen);
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| 
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| #else
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| 
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| static inline int digsig_verify(struct key *keyring, const char *sig,
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| 				int siglen, const char *digest, int digestlen)
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| {
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| 	return -EOPNOTSUPP;
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| }
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| 
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| #endif /* CONFIG_SIGNATURE */
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| 
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| #endif /* _DIGSIG_H */
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