digsig.c File Reference

#include <linux/err.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/key.h>
#include <linux/crypto.h>
#include <crypto/hash.h>
#include <crypto/sha.h>
#include <keys/user-type.h>
#include <linux/mpi.h>
#include <linux/digsig.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt

Functions
int	digsig_verify (struct key *keyring, const char *sig, int siglen, const char *data, int datalen)
	EXPORT_SYMBOL_GPL (digsig_verify)
	module_init (digsig_init)
	module_exit (digsig_cleanup)
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 18 of file digsig.c.

Function Documentation

int digsig_verify	(	struct key *	keyring,
		const char *	sig,
		int	siglen,
		const char *	data,
		int	datalen
	)

digsig_verify() - digital signature verification with public key : keyring to search key in : digital signature : length of the signature : data : length of the data

Returns

: 0 on success, -EINVAL otherwise

Verifies data integrity against digital signature. Currently only RSA is supported. Normally hash of the content is used as a data for this function.

Definition at line 199 of file digsig.c.

EXPORT_SYMBOL_GPL

(

digsig_verify

)

module_exit

(

digsig_cleanup

)

module_init

(

digsig_init

)

MODULE_LICENSE

(

"GPL"

)