drivers/crypto/caam/caam_keyblob.h

/*
 * CAAM public-level include definitions for the key blob
 *
 * Copyright (C) 2015 Freescale Semiconductor, Inc.
 */

#ifndef CAAM_KEYBLOB_H
#define CAAM_KEYBLOB_H


#include <linux/ioctl.h>
#include <linux/types.h>

struct caam_kb_data {
	char *rawkey;
    size_t rawkey_len;
    char *keyblob;
    size_t keyblob_len;
    char *keymod;
    size_t keymod_len;
};


#define CAAM_KB_MAGIC		'I'

/**
 * DOC: CAAM_KB_ENCRYPT - generate a key blob from raw key
 *
 * Takes an caam_kb_data struct and returns it with the key blob
 */
#define CAAM_KB_ENCRYPT		_IOWR(CAAM_KB_MAGIC, 0, \
				      struct caam_kb_data)

/**
 * DOC: CAAM_KB_DECRYPT - get keys from a key blob
 *
 * Takes an caam_kb_data struct and returns it with the raw key.
 */
#define CAAM_KB_DECRYPT		_IOWR(CAAM_KB_MAGIC, 1, struct caam_kb_data)

#ifndef GENMEM_KEYMOD_LEN
#define GENMEM_KEYMOD_LEN 16
#endif

#endif /* CAAM_KEYBLOB_H */