34 lines
765 B
C
34 lines
765 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 NXP.
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*
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*/
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#ifndef _KEYS_SECURE_TYPE_H
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#define _KEYS_SECURE_TYPE_H
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#include <linux/key.h>
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#include <linux/rcupdate.h>
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/* Minimum key size to be used is 32 bytes and maximum key size fixed
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* is 128 bytes.
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* Blob size to be kept is Maximum key size + blob header added by CAAM.
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*/
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#define MIN_KEY_SIZE 32
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#define MAX_KEY_SIZE 128
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#define BLOB_HEADER_SIZE 48
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#define MAX_BLOB_SIZE (MAX_KEY_SIZE + BLOB_HEADER_SIZE)
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struct secure_key_payload {
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struct rcu_head rcu;
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unsigned int key_len;
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unsigned int blob_len;
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unsigned char key[MAX_KEY_SIZE + 1];
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unsigned char blob[MAX_BLOB_SIZE];
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};
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extern struct key_type key_type_secure;
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#endif
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