include/keys/asymmetric-subtype.h

Source file repositories/reference/linux-study-clean/include/keys/asymmetric-subtype.h

File Facts

System
Linux kernel
Corpus path
include/keys/asymmetric-subtype.h
Extension
.h
Size
1696 bytes
Lines
61
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct asymmetric_key_subtype {
	struct module		*owner;
	const char		*name;
	unsigned short		name_len;	/* length of name */

	/* Describe a key of this subtype for /proc/keys */
	void (*describe)(const struct key *key, struct seq_file *m);

	/* Destroy a key of this subtype */
	void (*destroy)(void *payload_crypto, void *payload_auth);

	int (*query)(const struct kernel_pkey_params *params,
		     struct kernel_pkey_query *info);

	/* Encrypt/decrypt/sign data */
	int (*eds_op)(struct kernel_pkey_params *params,
		      const void *in, void *out);

	/* Verify the signature on a key of this subtype (optional) */
	int (*verify_signature)(const struct key *key,
				const struct public_key_signature *sig);
};

/**
 * asymmetric_key_subtype - Get the subtype from an asymmetric key
 * @key: The key of interest.
 *
 * Retrieves and returns the subtype pointer of the asymmetric key from the
 * type-specific data attached to the key.
 */
static inline
struct asymmetric_key_subtype *asymmetric_key_subtype(const struct key *key)
{
	return key->payload.data[asym_subtype];
}

#endif /* _KEYS_ASYMMETRIC_SUBTYPE_H */

Annotation

Implementation Notes