include/linux/digsig.h

Source file repositories/reference/linux-study-clean/include/linux/digsig.h

File Facts

System
Linux kernel
Corpus path
include/linux/digsig.h
Extension
.h
Size
1212 bytes
Lines
61
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct pubkey_hdr {
	uint8_t		version;	/* key format version */
	uint32_t	timestamp;	/* key made, always 0 for now */
	uint8_t		algo;
	uint8_t		nmpi;
	char		mpi[];
} __packed;

struct signature_hdr {
	uint8_t		version;	/* signature format version */
	uint32_t	timestamp;	/* signature made */
	uint8_t		algo;
	uint8_t		hash;
	uint8_t		keyid[8];
	uint8_t		nmpi;
	char		mpi[];
} __packed;

#if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE)

int digsig_verify(struct key *keyring, const char *sig, int siglen,
					const char *digest, int digestlen);

#else

static inline int digsig_verify(struct key *keyring, const char *sig,
				int siglen, const char *digest, int digestlen)
{
	return -EOPNOTSUPP;
}

#endif /* CONFIG_SIGNATURE */

#endif /* _DIGSIG_H */

Annotation

Implementation Notes